All Stories

  1. Oxidative stress: a concept in redox biology and medicine

    Article • Redox Biology, April 2015, Elsevier

    Dr Helmut Sies

  2. Dietary Selenium in Adjuvant Therapy of Viral and Bacterial Infections

    Article • Advances in Nutrition, January 2015, Oxford University Press (OUP)

    Dr Helmut Sies

  3. Special issue “polyphenols and health”

    Article • Archives of Biochemistry and Biophysics, October 2014, Elsevier

    Dr Helmut Sies

  4. Towards identifying novel anti-Eimeria agents: trace elements, vitamins, and plant-based natural products

    Article • Parasitology Research, September 2014, Springer Science + Business Media

    Dr Helmut Sies

  5. Excited singlet molecular O2 (1Δg) is generated enzymatically from excited carbonyls in the dark

    Article • Scientific Reports, August 2014, Springer Science + Business Media

    Dr Helmut Sies

  6. The use of total antioxidant capacity as surrogate marker for food quality and its effect on health is to be discouraged

    Article • Nutrition, July 2014, Elsevier

    Dr Helmut Sies, Professor Jan Frank

  7. Preface

    Article • European Journal of Medical Research, June 2014, Springer Science + Business Media

    Dr Helmut Sies

  8. Upregulation of the thioredoxin-dependent redox system during differentiation of 3T3-L1 cells to adipocytes

    Article • Biological Chemistry, June 2014, De Gruyter

    Dr Helmut Sies

  9. Intestinal selenoprotein P in epithelial cells and in plasma cells

    Article • Archives of Biochemistry and Biophysics, January 2014, Elsevier

    Dr Helmut Sies

  10. Dietary selenium affects intestinal development of Eimeria papillata in mice

    Article • Parasitology Research, November 2013, Springer Science + Business Media

    Dr Helmut Sies

  11. Carotenoids

    Article • Archives of Biochemistry and Biophysics, November 2013, Elsevier

    Dr Helmut Sies

  12. The early research and development of ebselen

    Article • Biochemical Pharmacology, November 2013, Elsevier

    Dr Helmut Sies

  13. Hepatic encephalopathy: Clinical aspects and pathogenetic concept

    Article • Archives of Biochemistry and Biophysics, August 2013, Elsevier

    Dr Helmut Sies

  14. Selenium homeostasis and antioxidant selenoproteins in brain: Implications for disorders in the central nervous system

    Article • Archives of Biochemistry and Biophysics, August 2013, Elsevier

    Dr Helmut Sies

  15. Toward Understanding Success and Failures in the Use of Selenium for Cancer Prevention

    Article • Antioxidants & Redox Signaling, July 2013, Mary Ann Liebert Inc

    Dr Helmut Sies

  16. Oxidative Stress: Impact in Neuroscience Research

    Article • January 2013, Springer Science + Business Media

    Dr Helmut Sies

  17. Supranutritional selenium induces alterations in molecular targets related to energy metabolism in skeletal muscle and visceral adipose tissue of pigs

    Article • Journal of Inorganic Biochemistry, September 2012, Elsevier

    Dr Helmut Sies

  18. Highlight: GBM Meeting ‘Molecular Life Sciences 2011’

    Article • Biological Chemistry, April 2012, De Gruyter

    Dr Helmut Sies

  19. Editorial

    Article • Archives of Biochemistry and Biophysics, February 2012, Elsevier

    Dr Helmut Sies

  20. Photoprotection by dietary carotenoids: Concept, mechanisms, evidence and future development

    Article • Molecular Nutrition & Food Research, February 2012, Wiley

    Dr Helmut Sies

  21. Adjunctive daily supplementation with encapsulated fruit, vegetable and berry juice powder concentrates and clinical periodontal outcomes: a double‐blind RCT

    Article • Journal Of Clinical Periodontology, October 2011, Wiley

    Dr Helmut Sies

  22. Delaying of insulin signal transduction in skeletal muscle cells by selenium compounds

    Article • Journal of Inorganic Biochemistry, June 2011, Elsevier

    Dr Helmut Sies

  23. Tribute to Professor Minor J. Coon

    Article • Archives of Biochemistry and Biophysics, March 2011, Elsevier

    Dr Helmut Sies

  24. Direct evidence that (−)-epicatechin increases nitric oxide levels in human endothelial cells

    Article • European Journal of Nutrition, February 2011, Springer Science + Business Media

    Dr Helmut Sies

  25. Eimeria papillata: Upregulation of specific miRNA-species in the mouse jejunum

    Article • Experimental Parasitology, February 2011, Elsevier

    Dr Helmut Sies

  26. Polyphenols and health: Update and perspectives

    Article • Archives of Biochemistry and Biophysics, September 2010, Elsevier

    Dr Helmut Sies

  27. Proinflammatory cytokines down-regulate intestinal selenoprotein P biosynthesis via NOS2 induction

    Article • Free Radical Biology and Medicine, September 2010, Elsevier

    Dr Helmut Sies

  28. Epigallocatechin gallate-induced modulation of FoxO signaling in mammalian cells and C. elegans: FoxO stimulation is masked via PI3K/Akt activation by hydrogen peroxide formed in cell culture

    Article • Archives of Biochemistry and Biophysics, September 2010, Elsevier

    Dr Helmut Sies

  29. ChemInform Abstract: Chemistry of Biologically Important Synthetic Organoselenium Compounds

    Article • ChemInform, May 2010, Wiley

    Dr Helmut Sies

  30. High selenium intake and increased diabetes risk: experimental evidence for interplay between selenium and carbohydrate metabolism

    Article • Journal of Clinical Biochemistry and Nutrition, January 2010, The Society for Free Radical Research Japan

    Dr Helmut Sies

  31. Functional foods for health promotion: state-of-the-science on dietary flavonoids�Extended abstracts from the 12 th Annual Conference on Functional Foods for Health Promotion, April 2009

    Article • Nutrition Reviews, December 2009, Oxford University Press (OUP)

    Dr Helmut Sies

  32. Highlight: Molecular and Cellular Mechanisms of Memory

    Article • Biological Chemistry, November 2009, De Gruyter

    Dr Helmut Sies

  33. Protection against reactive oxygen species by selenoproteins

    Article • Biochimica et Biophysica Acta (BBA) - General Subjects, November 2009, Elsevier

    Dr Helmut Sies

  34. Micronutrients and Brain Health

    Article • October 2009

    Dr Helmut Sies

  35. Attenuation of hepatic expression and secretion of selenoprotein P by metformin

    Article • Biochemical and Biophysical Research Communications, September 2009, Elsevier

    Dr Helmut Sies

  36. HuR regulates gap junctional intercellular communication by controlling β-catenin levels and adherens junction integrity

    Article • Hepatology, July 2009, Wiley

    Dr Helmut Sies

  37. Astaxanthin, canthaxanthin and β-carotene differently affect UVA-induced oxidative damage and expression of oxidative stress-responsive enzymes

    Article • Experimental Dermatology, March 2009, Wiley

    Dr Helmut Sies

  38. Plasma micronutrient status is improved after a 3-month dietary intervention with 5 daily portions of fruits and vegetables: implications for optimal antioxidant levels

    Article • Nutrition Journal, February 2009, Springer Science + Business Media

    Dr Helmut Sies

  39. Editor's Note

    Article • Biological Chemistry, January 2009, De Gruyter

    Dr Helmut Sies

  40. Editorial

    Article • Free Radical Research, January 2009, Taylor & Francis

    Dr Helmut Sies

  41. Heat shock but not cold shock leads to disturbed intracellular zinc homeostasis

    Article • Journal of Cellular Physiology, January 2009, Wiley

    Dr Helmut Sies

  42. Intervention with flaxseed and borage oil supplements modulates skin condition in women

    Article • British Journal Of Nutrition, September 2008, Cambridge University Press

    Dr Helmut Sies

  43. Editors' Note

    Article • Biological Chemistry, August 2008, De Gruyter

    Dr Helmut Sies

  44. Farewell to Hans Fritz, Executive Editor

    Article • Biological Chemistry, August 2008, De Gruyter

    Dr Helmut Sies

  45. How do dietary flavanols improve vascular function? A position paper

    Article • Archives of Biochemistry and Biophysics, August 2008, Elsevier

    Dr Helmut Sies

  46. Cocoa flavanols lower vascular arginase activity in human endothelial cells in vitro and in erythrocytes in vivo

    Article • Archives of Biochemistry and Biophysics, August 2008, Elsevier

    Dr Helmut Sies

  47. Selenoprotein P expression is controlled through interaction of the coactivator PGC-1α with FoxO1a and hepatocyte nuclear factor 4α transcription factors

    Article • Hepatology, July 2008, Wiley

    Dr Helmut Sies

  48. Ultraviolet-A irradiation but not ultraviolet-B or infrared-A irradiation leads to a disturbed zinc homeostasis in cells

    Article • Free Radical Biology and Medicine, July 2008, Elsevier

    Dr Helmut Sies

  49. Kinetic evidence for rapid oxidation of (–)-epicatechin by human myeloperoxidase

    Article • Biochemical and Biophysical Research Communications, July 2008, Elsevier

    Dr Helmut Sies

  50. Ultraviolet A induced modulation of gap junctional intercellular communication by P38 MAPK activation in human keratinocytes

    Article • Experimental Dermatology, February 2008, Wiley

    Dr Helmut Sies

  51. Editorial Year-end Note

    Article • Free Radical Research, January 2008, Taylor & Francis

    Dr Helmut Sies

  52. O27. Dietary flavanols and vascular responses: Attenuation of NADPH oxidase and preservation of NO

    Article • Nitric Oxide, January 2008, Elsevier

    Dr Helmut Sies

  53. P91. Modulation of NO metabolism in vascular endothelial cells by oxidized LDL

    Article • Nitric Oxide, January 2008, Elsevier

    Dr Helmut Sies

  54. Mono-O-methylated flavanols and other flavonoids as inhibitors of endothelial NADPH oxidase

    Article • Archives of Biochemistry and Biophysics, January 2008, Elsevier

    Dr Helmut Sies

  55. Epidermal growth factor- and stress-induced loss of gap junctional communication is mediated by ERK-1/ERK-2 but not ERK-5 in rat liver epithelial cells

    Article • Biochemical and Biophysical Research Communications, December 2007, Elsevier

    Dr Helmut Sies

  56. Post-translational processing of selenoprotein P: implications of glycosylation for its utilisation by target cells

    Article • Biological Chemistry, October 2007, De Gruyter

    Dr Helmut Sies

  57. Cocoa flavanols lower arginase activity in human endothelial cells in vitro

    Article • September 2007, Elsevier

    Dr Helmut Sies

  58. Carotenoids and Flavonoids Contribute to Nutritional Protection against Skin Damage from Sunlight

    Article • Molecular Biotechnology, August 2007, Springer Science + Business Media

    Dr Helmut Sies

  59. (–)-Epicatechin elevates nitric oxide in endothelial cells via inhibition of NADPH oxidase

    Article • Biochemical and Biophysical Research Communications, August 2007, Elsevier

    Dr Helmut Sies

  60. Highlight issue: Enzymology of drug metabolism and toxicology

    Article • Archives of Biochemistry and Biophysics, August 2007, Elsevier

    Dr Helmut Sies

  61. Oxidative Stress and Inflammatory Mechanisms in Obesity, Diabetes, and the Metabolic Syndrome

    Article • July 2007

    Dr Helmut Sies

  62. Decomposition of S -Nitrosocysteine via S - to N -Transnitrosation

    Article • Chemical Research in Toxicology, May 2007, American Chemical Society (ACS)

    Dr Helmut Sies

  63. Divergent Optimum Levels of Lycopene, β-Carotene and Lutein Protecting Against UVB Irradiation in Human Fibroblasts¶

    Article • Photochemistry and Photobiology, May 2007, American Society for Photobiology

    Dr Helmut Sies

  64. Elevated Lipid Peroxidation Biomarkers and Low Antioxidant Status in Atherosclerotic Patients with Increased Carotid or Iliofemoral Intima Media Thickness

    Article • Journal of Investigative Medicine, May 2007, BMJ

    Dr Helmut Sies

  65. Protein modification elicited by oxidized low-density lipoprotein (LDL) in endothelial cells: Protection by (–)-epicatechin

    Article • Free Radical Biology and Medicine, April 2007, Elsevier

    Dr Helmut Sies

  66. Limited availability of l-arginine increases DNA-binding activity of NF-κB and contributes to regulation of iNOS expression

    Article • Journal of Molecular Medicine, March 2007, Springer Science + Business Media

    Dr Helmut Sies

  67. Sustained Increase in Flow-Mediated Dilation After Daily Intake of High-Flavanol Cocoa Drink Over 1 Week

    Article • Journal of Cardiovascular Pharmacology, February 2007, Wolters Kluwer Health

    Dr Helmut Sies

  68. How I Became a Biochemist

    Article • IUBMB Life, January 2007, Wiley

    Dr Helmut Sies

  69. Preface

    Article • January 2007, Elsevier

    Dr Helmut Sies

  70. Preface

    Article • January 2007, Elsevier

    Dr Helmut Sies

  71. Consumption of flavanol-rich cocoa acutely increases microcirculation in human skin

    Article • European Journal of Nutrition, December 2006, Springer Science + Business Media

    Dr Helmut Sies

  72. 6 th COSTAM/SFRR (ASEAN/Malaysia) International Workshop on Micronutrients, Oxidative Stress, and the Environment

    Article • Antioxidants & Redox Signaling, November 2006, Mary Ann Liebert Inc

    Dr Helmut Sies

  73. Extracellular generation of hydrogen peroxide is responsible for activation of EGF receptor by ultraviolet A radiation

    Article • Free Radical Biology and Medicine, November 2006, Elsevier

    Dr Helmut Sies

  74. Modulation of FoxO signaling in human hepatoma cells by exposure to copper or zinc ions

    Article • Archives of Biochemistry and Biophysics, October 2006, Elsevier

    Dr Helmut Sies

  75. Cytotoxicity of myeloperoxidase/nitrite-oxidized low-density lipoprotein toward endothelial cells is due to a high 7β-hydroxycholesterol to 7-ketocholesterol ratio

    Article • Free Radical Biology and Medicine, October 2006, Elsevier

    Dr Helmut Sies

  76. Rac upregulates tissue inhibitor of metalloproteinase-1 expression by redox-dependent activation of extracellular signal-regulated kinase signaling

    Article • FEBS Journal, September 2006, Wiley

    Dr Helmut Sies, David Young

  77. Dedication

    Article • Archives of Biochemistry and Biophysics, September 2006, Elsevier

    Dr Helmut Sies

  78. P071. NO-mediated inhibition of androgen receptor activity: Possible implications for prostate cancer progression

    Article • Nitric Oxide, June 2006, Elsevier

    Dr Helmut Sies

  79. Endothelial Function, Nitric Oxide, and Cocoa Flavanols

    Article • Journal of Cardiovascular Pharmacology, June 2006, Wolters Kluwer Health

    Dr Helmut Sies

  80. Involvement of selenoprotein P in protection of human astrocytes from oxidative damage

    Article • Free Radical Biology and Medicine, May 2006, Elsevier

    Dr Helmut Sies

  81. L-arginine availability contributes to expression pattern of proinflammatory genes

    Article • April 2006, Elsevier

    Dr Helmut Sies

  82. OxLDL signaling in endothelial cells and counteracting effects of (-)-epicatechin

    Article • April 2006, Elsevier

    Dr Helmut Sies

  83. Selenoprotein P protects human astrocytes from oxidative cell death

    Article • April 2006, Elsevier

    Dr Helmut Sies

  84. NO-mediated inhibition of androgen receptor activity: possible implications for prostate cancer progression

    Article • April 2006, Elsevier

    Dr Helmut Sies

  85. Solar-simulated radiation induces secretion of IL-6 and production of isoprostanes in human skin in vivo

    Article • April 2006, Elsevier

    Dr Helmut Sies

  86. Activation of ErbB2 by 2-methyl-1,4-naphthoquinone (menadione) in human keratinocytes: Role of EGFR and protein tyrosine phosphatases

    Article • FEBS Letters, February 2006, Wiley

    Dr Helmut Sies

  87. Solar-simulated radiation induces secretion of IL-6 and production of isoprostanes in human skin in vivo

    Article • Archives of Dermatological Research, February 2006, Springer Science + Business Media

    Dr Helmut Sies

  88. Lycopene-rich products and dietary photoprotection

    Article • Photochemical & Photobiological Sciences, January 2006, Springer Science + Business Media

    Dr Helmut Sies

  89. Editor's Note

    Article • Biological Chemistry, January 2006, De Gruyter

    Dr Helmut Sies

  90. Highlight: Redox signaling – mechanisms and biological impact

    Article • Biological Chemistry, January 2006, De Gruyter

    Dr Helmut Sies

  91. Editorial note

    Article • Free Radical Research, January 2006, Taylor & Francis

    Dr Helmut Sies

  92. Nitrite, a naturally occurring precursor of nitric oxide that acts like a ‘prodrug’

    Article • Biological Chemistry, January 2006, De Gruyter

    Dr Helmut Sies

  93. Singlet oxygen inactivates protein tyrosine phosphatase-1B by oxidation of the active site cysteine

    Article • Biological Chemistry, January 2006, De Gruyter

    Dr Helmut Sies

  94. Myeloperoxidase-mediated LDL oxidation and endothelial cell toxicity of oxidized LDL: attenuation by (−)-epicatechin

    Article • Free Radical Research, January 2006, Taylor & Francis

    Dr Helmut Sies

  95. Selenoprotein P protects endothelial cells from oxidative damage by stimulation of glutathione peroxidase expression and activity

    Article • Free Radical Research, January 2006, Taylor & Francis

    Dr Helmut Sies

  96. Dietary habits are major determinants of the plasma antioxidant status in healthy elderly subjects

    Article • British Journal Of Nutrition, November 2005, Cambridge University Press

    Dr Helmut Sies

  97. Acute Consumption of Flavanol-Rich Cocoa and the Reversal of Endothelial Dysfunction in Smokers

    Article • Journal of the American College of Cardiology, October 2005, Elsevier

    Dr Helmut Sies

  98. Protective function of Selenoprotein P in human astrocytes

    Article • September 2005, Elsevier

    Dr Helmut Sies

  99. Cocoa-related flavonoids inhibit CFTR-mediated chloride transport across T84 human colon epithelia

    Article • September 2005, Elsevier

    Dr Helmut Sies

  100. Molecular mechanisms underlying disruption of gap junctional intercellular communication in tumor cells

    Article • September 2005, Elsevier

    Dr Helmut Sies

  101. Reactive oxygen species-dependent transdifferentiation of skin fibroblasts enhances invasive capacity of tumor cells

    Article • September 2005, Elsevier

    Dr Helmut Sies

  102. Arginase-1 overexpression induces Cationic Amino Acid Transporter-1 in Psoriasis

    Article • September 2005, Elsevier

    Dr Helmut Sies

  103. Book reviews

    Article • Free Radical Research, June 2005, Taylor & Francis

    Dr Helmut Sies

  104. Epicatechin protects endothelial cells against oxidized LDL and maintains NO synthase

    Article • Biochemical and Biophysical Research Communications, June 2005, Elsevier

    Dr Helmut Sies

  105. Carotenoids and Retinoids

    Article • May 2005, Taylor & Francis

    Dr Helmut Sies

  106. Gap Junctional Intercellular Communication

    Article • May 2005, Taylor & Francis

    Dr Helmut Sies

  107. New Horizons in Carotenoid Research

    Article • May 2005, Taylor & Francis

    Dr Helmut Sies

  108. Bioactivity and protective effects of natural carotenoids

    Article • Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease, May 2005, Elsevier

    Dr Helmut Sies

  109. Arginase-1 overexpression induces cationic amino acid transporter-1 in psoriasis

    Article • Free Radical Biology and Medicine, April 2005, Elsevier

    Dr Helmut Sies

  110. Rise of Coenzyme A-Glutathione Mixed Disulfide during Hydroperoxide Metabolism in Perfused Rat Liver

    Article • European Journal of Biochemistry, March 2005, Wiley

    Dr Helmut Sies

  111. Oxene Donors Yield Low-Level Chemiluminescence with Microsomes and Isolated Cytochrome P-450

    Article • European Journal of Biochemistry, March 2005, Wiley

    Dr Helmut Sies

  112. Low Level Chemiluminescence of Liver Microsomal Fractions Initiated by tert-Butyl Hydroperoxide

    Article • European Journal of Biochemistry, March 2005, Wiley

    Dr Helmut Sies

  113. Doxorubicin induces EGF receptor-dependent downregulation of gap junctional intercellular communication in rat liver epithelial cells

    Article • Biological Chemistry, March 2005, De Gruyter

    Dr Helmut Sies

  114. Tumor promoter TPA stimulates MMP-9 secretion from human keratinocytes by activation of superoxide-producing NADPH oxidase

    Article • Free Radical Research, March 2005, Taylor & Francis

    Dr Helmut Sies

  115. Quinone-induced Cdc25A inhibition causes ERK-dependent connexin phosphorylation

    Article • Biochemical and Biophysical Research Communications, February 2005, Elsevier

    Dr Helmut Sies

  116. Combining benzo[d]isoselenazol-3-ones with sterically hindered alicyclic amines and nitroxides: enhanced activity as glutathione peroxidase mimics

    Article • Organic & Biomolecular Chemistry, January 2005, Royal Society of Chemistry

    Dr Helmut Sies

  117. Myeloperoxidase-induced lipid peroxidation of LDL in the presence of nitrite. Protection by cocoa flavanols

    Article • BioFactors, January 2005, Wiley

    Dr Helmut Sies

  118. Loss of the tyrosyl radical in mouse ribonucleotide reductase by (−)-epicatechin

    Article • Biochemical and Biophysical Research Communications, January 2005, Elsevier

    Dr Helmut Sies

  119. On the opinion of the European Commission ?Scientific Committee on Food? regarding the tolerable upper intake level of vitamin E (2003)

    Article • European Journal of Nutrition, January 2005, Springer Science + Business Media

    Dr Helmut Sies

  120. Supplementation with Tomato-Based Products Increases Lycopene, Phytofluene, and Phytoene Levels in Human Serum and Protects Against UV-light-induced Erythema

    Article • International Journal for Vitamin and Nutrition Research, January 2005, Hogrefe Publishing Group

    Dr Helmut Sies

  121. Effects of vitamin C and aspirin in ischemic stroke-related lipid peroxidation: Results of the AVASAS (Aspirin Versus Ascorbic acid plus Aspirin in Stroke) Study

    Article • BioFactors, January 2005, Wiley

    Dr Helmut Sies

  122. Future Directions in Preclinical Vitamin E Research: Panel Discussion A

    Article • Annals of the New York Academy of Sciences, December 2004, Wiley

    Dr Helmut Sies

  123. Ozone in Arteriosclerotic Plaques: Searching for the “Smoking Gun”

    Article • ChemInform, September 2004, Wiley

    Dr Helmut Sies

  124. Carotenoids in Health and Disease

    Article • August 2004

    Dr Helmut Sies

  125. Carotenoids

    Article • August 2004, Taylor & Francis

    Dr Helmut Sies

  126. Carotenoids in Systemic Protection Against Sunburn

    Article • August 2004, Taylor & Francis

    Dr Helmut Sies

  127. Carotenoids and UV Protection

    Article • Photochemical & Photobiological Sciences, August 2004, Springer Science + Business Media

    Dr Helmut Sies

  128. Flavanol-rich cocoa drink lowers plasma F2-isoprostane concentrations in humans

    Article • Free Radical Biology and Medicine, August 2004, Elsevier

    Dr Helmut Sies

  129. NUTRITIONAL PROTECTION AGAINST SKIN DAMAGE FROM SUNLIGHT

    Article • Annual Review of Nutrition, July 2004, Annual Reviews

    Dr Helmut Sies

  130. Ozone in Arteriosclerotic Plaques: Searching for the“Smoking Gun”

    Article • Angewandte Chemie International Edition, July 2004, Wiley

    Dr Helmut Sies

  131. Ozon in arteriosklerotischen Plaques: die Suche nach dem“rauchenden Colt”…

    Article • Angewandte Chemie, July 2004, Wiley

    Dr Helmut Sies

  132. Paracrine effect of TGF-β1 on downregulation of gap junctional intercellular communication between human dermal fibroblasts

    Article • Biochemical and Biophysical Research Communications, June 2004, Elsevier

    Dr Helmut Sies

  133. Contribution of UVB and UVA to UV-dependent stimulation of cyclooxygenase-2 expression in artificial epidermis

    Article • Photochemical & Photobiological Sciences, March 2004, Springer Science + Business Media

    Dr Helmut Sies

  134. Thioredoxin secreted upon ultraviolet A irradiation modulates activities of matrix metalloproteinase-2 and tissue inhibitor of metalloproteinase-2 in human dermal fibroblasts

    Article • Archives of Biochemistry and Biophysics, March 2004, Elsevier

    Dr Helmut Sies

  135. Selenoprotein P Protects Low-density Lipoprotein Against Oxidation

    Article • Free Radical Research, February 2004, Taylor & Francis

    Dr Helmut Sies

  136. Sulfur and Selenium: The Role of Oxidation State in Protein Structure and Function

    Article • ChemInform, January 2004, Wiley

    Dr Helmut Sies

  137. Oxidative modification of low-density lipoprotein: lipid peroxidation by myeloperoxidase in the presence of nitrite

    Article • Biological Chemistry, January 2004, De Gruyter

    Dr Helmut Sies

  138. Signaling Effects of Menadione: From Tyrosine Phosphatase Inactivation to Connexin Phosphorylation

    Article • January 2004, Elsevier

    Dr Helmut Sies

  139. Plasma Antioxidant Status, Immunoglobulin G Oxidation and Lipid Peroxidation in Demented Patients: Relevance to Alzheimer Disease and Vascular Dementia

    Article • Dementia and Geriatric Cognitive Disorders, January 2004, Karger Publishers

    Dr Helmut Sies

  140. Antioxidant activity of carotenoids

    Article • Molecular Aspects of Medicine, December 2003, Elsevier

    Dr Helmut Sies

  141. Schwefel und Selen: Bedeutung der Oxidationsstufe für Struktur und Funktion von Proteinen

    Article • Angewandte Chemie, October 2003, Wiley

    Dr Helmut Sies

  142. Sulfur and Selenium: The Role of Oxidation State in Protein Structure and Function

    Article • Angewandte Chemie International Edition, October 2003, Wiley

    Dr Helmut Sies

  143. UVA-mediated downregulation of MMP-2 and MMP-9 in human epidermal keratinocytes

    Article • Biochemical and Biophysical Research Communications, August 2003, Elsevier

    Dr Helmut Sies

  144. Cigarette smoking cessation increases plasma levels of several antioxidant micronutrients and improves resistance towards oxidative challenge

    Article • British Journal Of Nutrition, July 2003, Cambridge University Press

    Dr Helmut Sies

  145. Amphiphilic properties of (−)-epicatechin and their significance for protection of cells against peroxynitrite

    Article • Biochemical and Biophysical Research Communications, July 2003, Elsevier

    Dr Helmut Sies

  146. Protein S -Thiolation, S -Nitrosylation, and Irreversible Sulfhydryl Oxidation: Roles in Redox Regulation

    Article • July 2003, World Scientific Pub Co Pte Lt

    Dr Helmut Sies

  147. Screening pharmaceutical preparations containing extracts of turmeric rhizome, artichoke leaf, devil's claw root and garlic or salmon oil for antioxidant capacity

    Article • Journal of Pharmacy and Pharmacology, July 2003, Oxford University Press (OUP)

    Dr Helmut Sies, Dr Antonio Pérez-Gálvez

  148. Incorporation of carotenoids from paprika oleoresin into human chylomicrons

    Article • British Journal Of Nutrition, June 2003, Cambridge University Press

    Dr Helmut Sies, Dr Antonio Pérez-Gálvez

  149. Defenses against peroxynitrite: selenocompounds and flavonoids

    Article • Toxicology Letters, April 2003, Elsevier

    Dr Helmut Sies

  150. Inhibition of 15-lipoxygenases by flavonoids: structure–activity relations and mode of action

    Article • Biochemical Pharmacology, March 2003, Elsevier

    Dr Helmut Sies

  151. Myeloperoxidase/nitrite-mediated lipid peroxidation of low-density lipoprotein as modulated by flavonoids

    Article • FEBS Letters, February 2003, Wiley

    Dr Helmut Sies

  152. Singlet oxygen-induced signaling effects in mammalian cells

    Article • Photochemical & Photobiological Sciences, February 2003, Springer Science + Business Media

    Dr Helmut Sies

  153. Evaluation of sulfur, selenium and tellurium catalysts with antioxidant potential

    Article • Organic & Biomolecular Chemistry, January 2003, Royal Society of Chemistry

    Dr Helmut Sies

  154. Editors' Note

    Article • Free Radical Research, January 2003, Taylor & Francis

    Dr Helmut Sies

  155. Irradiation of Cells with Ultraviolet-A (320-400 nm) in the Presence of Cell Culture Medium Elicits Biological Effects Due to Extracellular Generation of Hydrogen Peroxide

    Article • Free Radical Research, January 2003, Taylor & Francis

    Dr Helmut Sies

  156. Selenenyl iodide: a new substrate for mammalian thioredoxin reductaseElectronic supplementary information (ESI) available: additional data. See http://www.rsc.org/suppdata/ob/b3/b302220j/

    Article • Organic & Biomolecular Chemistry, January 2003, Royal Society of Chemistry

    Dr Helmut Sies

  157. Infrared-A Radiation-Induced Matrix Metalloproteinase 1 Expression is Mediated Through Extracellular Signal-regulated Kinase 1/2 Activation in Human Dermal Fibroblasts

    Article • Journal of Investigative Dermatology, December 2002, Elsevier

    Dr Helmut Sies

  158. Ultraviolet-B Irradiation and Matrix Metalloproteinases

    Article • Annals of the New York Academy of Sciences, November 2002, Wiley

    Dr Helmut Sies

  159. Strategies for Controlling Oxidative Stress: Protection Against Peroxynitrite and Hydroperoxides by Selenoproteins and Selenoorganic Compounds

    Article • October 2002, World Scientific Pub Co Pte Lt

    Dr Helmut Sies

  160. Cocoa extract protects against early alcohol-induced liver injury in the rat

    Article • Archives of Biochemistry and Biophysics, October 2002, Elsevier

    Dr Helmut Sies

  161. (-)-Epicatechin Is Taken up by Cells and Protects against Peroxynitrite-Induced Oxidation and Nitration.

    Article • September 2002, Elsevier

    Dr Helmut Sies

  162. Activation of EGF receptor-dependent signaling pathways by alkylating and redox-cycling quinones

    Article • September 2002, Elsevier

    Dr Helmut Sies

  163. Peroxynitrite signaling: receptor tyrosine kinases and activation of stress-responsive pathways1,2 1This article is part of a series of reviews on “Reactive Nitrogen Species, Tyrosine Nitration and Cell Signaling.” The full list of papers may be found ...

    Article • Free Radical Biology and Medicine, September 2002, Elsevier

    Dr Helmut Sies

  164. Activation of protein kinase CK2 is an early step in the ultraviolet B-mediated increase in interstitial collagenase (matrix metalloproteinase-1; MMP-1) and stromelysin-1 (MMP-3) protein levels in human dermal fibroblasts

    Article • Biochemical Journal, July 2002, Portland Press Ltd.

    Dr Helmut Sies

  165. Tocopherol metabolites 2, 5, 7, 8-tetramethyl-2-(2'-carboxyethyl)-6-hydroxychroman (α-CEHC) and 2, 7, 8-trimethyl-2-(2'-carboxyethyl)-6-hydroxychroman (γ-CEHC) in human serum after a single dose of natural vitamin E

    Article • European Journal of Nutrition, June 2002, Springer Science + Business Media

    Dr Helmut Sies

  166. (−)-Epicatechin effects in rat liver epithelial cells: stimulation of gap junctional communication and counteraction of its loss due to the tumor promoter 12-O-tetradecanoylphorbol-13-acetate

    Article • Biochemical Pharmacology, June 2002, Elsevier

    Dr Helmut Sies

  167. Highlight: Oxidative Stress

    Article • Biological Chemistry, January 2002, De Gruyter

    Dr Helmut Sies

  168. Reversible conversion of nitroxyl anion to nitric oxide

    Article • January 2002, Elsevier

    Dr Helmut Sies

  169. Carotenoids and Protection against Solar UV Radiation

    Article • Skin Pharmacology and Physiology, January 2002, Karger Publishers

    Dr Helmut Sies

  170. Preface

    Article • January 2002, Elsevier

    Dr Helmut Sies

  171. Plasma Carotenoid and Malondialdehyde Levels in Ischemic Stroke Patients: Relationship to Early Outcome

    Article • Free Radical Research, January 2002, Taylor & Francis

    Dr Helmut Sies

  172. Divergent Optimum Levels of Lycopene, β-Carotene and Lutein Protecting Against UVB Irradiation in Human Fibroblasts¶

    Article • Photochemistry and Photobiology, January 2002, Wiley

    Dr Helmut Sies

  173. Selenium and the Protection Against Peroxynitrite

    Article • January 2002, Springer Science + Business Media

    Dr Helmut Sies

  174. Selenoprotein P

    Article • January 2002, Elsevier

    Dr Helmut Sies

  175. In Vitro Antioxidant Activity of 2,5,7,8-tetramethyl-2-(2′-carboxyethyl)-6-hydroxychroman (α-CEHC), a Vitamin E Metabolite

    Article • Free Radical Research, January 2002, Taylor & Francis

    Dr Helmut Sies

  176. Copper Ions Strongly Activate the Phosphoinositide-3-Kinase/Akt Pathway Independent of the Generation of Reactive Oxygen Species

    Article • Archives of Biochemistry and Biophysics, January 2002, Elsevier

    Dr Helmut Sies

  177. Plasma lipophilic antioxidants and malondialdehyde in congestive heart failure patients: relationship to disease severity

    Article • Free Radical Biology and Medicine, January 2002, Elsevier

    Dr Helmut Sies

  178. The 5-aminolevulinic acid-induced porphyrin biosynthesis in benign and malignant cells of the skin

    Article • Journal of Photochemistry and Photobiology B Biology, December 2001, Elsevier

    Dr Helmut Sies

  179. (−)-Epicatechin Inhibits Nitration and Dimerization of Tyrosine in Hydrophilic as Well as Hydrophobic Environments

    Article • Biochemical and Biophysical Research Communications, December 2001, Elsevier

    Dr Helmut Sies

  180. Analysis of lipophilic antioxidants in human serum and tissues: tocopherols and carotenoids

    Article • Journal of Chromatography A, November 2001, Elsevier

    Dr Helmut Sies

  181. Stimulation of gap junctional intercellular communication by thalidomide and thalidomide analogs in human fetal skin fibroblasts (HFFF2) and in rat liver epithelial cells (WB-F344)11Abbreviations: GJIC, gap junctional intercellular communication; PGA, ...

    Article • Biochemical Pharmacology, November 2001, Elsevier

    Dr Helmut Sies

  182. Antioxidant Effects of Carotenoids

    Article • October 2001, Taylor & Francis

    Dr Helmut Sies

  183. The biochemistry of selenium and the glutathione system

    Article • Environmental Toxicology and Pharmacology, September 2001, Elsevier

    Dr Helmut Sies

  184. Chemistry of Biologically Important Synthetic Organoselenium Compounds

    Article • Chemical Reviews, July 2001, American Chemical Society (ACS)

    Dr Helmut Sies

  185. Macular Pigments Lutein and Zeaxanthin as Blue Light Filters Studied in Liposomes

    Article • Archives of Biochemistry and Biophysics, July 2001, Elsevier

    Dr Helmut Sies

  186. Epicatechin Selectively Prevents Nitration but Not Oxidation Reactions of Peroxynitrite

    Article • Biochemical and Biophysical Research Communications, July 2001, Elsevier

    Dr Helmut Sies

  187. Protein oxidation and proteolysis by the nonradical oxidants singlet oxygen or peroxynitrite

    Article • Free Radical Biology and Medicine, June 2001, Elsevier

    Dr Helmut Sies

  188. Sulfur-to-nitrogen transnitrosation: transfer of nitric oxide from S-nitroso compounds to diethanolamine and the role of intermediate sulfur-to-sulfur transnitrosation

    Article • Toxicology, June 2001, Elsevier

    Dr Helmut Sies

  189. Quantitative assessment of antioxidant properties of natural colorants and phytochemicals: carotenoids, flavonoids, phenols and indigoids. The role of β-carotene in antioxidant functions

    Article • Journal of the Science of Food and Agriculture, March 2001, Wiley

    Dr Helmut Sies

  190. Profiles of antioxidants in human plasma

    Article • Free Radical Biology and Medicine, March 2001, Elsevier

    Dr Helmut Sies

  191. Ebselen prevents early alcohol-induced liver injury in rats

    Article • Free Radical Biology and Medicine, February 2001, Elsevier

    Dr Helmut Sies

  192. Enhanced Gamma-Glutamyl Transpeptidase Expression and Superoxide Production in Mpv17-/-Glomerulosclerosis Mice

    Article • Biological Chemistry, January 2001, De Gruyter

    Dr Helmut Sies

  193. Polyphenols of Cocoa: Inhibition of Mammalian 15-Lipoxygenase

    Article • Biological Chemistry, January 2001, De Gruyter

    Dr Helmut Sies

  194. Editorial

    Article • Archives of Biochemistry and Biophysics, January 2001, Elsevier

    Dr Helmut Sies

  195. Chapter 29 Protection against solar radiation — protective properties of antioxidants

    Article • January 2001, Elsevier

    Dr Helmut Sies

  196. Effects of carotenoids and retinoids on gap junctional communication

    Article • BioFactors, January 2001, Wiley

    Dr Helmut Sies

  197. PROFILES OF ANTIOXIDANTS IN HUMAN PLASMA

    Article • January 2001, Elsevier

    Dr Helmut Sies

  198. Accumulation of the Xanthophyll Lutein in Skin Amyloid Deposits of Systemic Amyloidosis (AL Type)

    Article • Journal of Investigative Dermatology, January 2001, Elsevier

    Dr Helmut Sies

  199. Peroxynitrite activates the phosphoinositide 3-kinase/Akt pathway in human skin primary fibroblasts

    Article • Biochemical Journal, November 2000, Portland Press Ltd.

    Dr Helmut Sies

  200. Ebselen Lowers Plasma Interleukin-6 Levels and Glial Heme Oxygenase-1 Expression after Focal Photothrombotic Brain Ischemia

    Article • Archives of Biochemistry and Biophysics, August 2000, Elsevier

    Dr Helmut Sies, Prof. Dr. Otto W. Witte

  201. Interaction of peroxynitrite with selenoproteins and glutathione peroxidase mimics

    Article • Free Radical Biology and Medicine, May 2000, Elsevier

    Dr Helmut Sies

  202. Plasma antioxidants and longevity: a study on healthy centenarians

    Article • Free Radical Biology and Medicine, April 2000, Elsevier

    Dr Helmut Sies

  203. Ebselen: prospective therapy for cerebral ischaemia

    Article • Expert Opinion on Investigational Drugs, March 2000, Informa Healthcare

    Dr Helmut Sies

  204. Responses to Peroxynitrite in Yeast: Glyceraldehyde-3-Phosphate Dehydrogenase (GAPDH) as a Sensitive Intracellular Target for Nitration and Enhancement of Chaperone Expression and Ubiquitination

    Article • Biological Chemistry, February 2000, De Gruyter

    Dr Helmut Sies

  205. Binding of Selenoprotein P to Heparin: Characterization with Surface Plasmon Resonance

    Article • Biological Chemistry, January 2000, De Gruyter

    Dr Helmut Sies

  206. Thyroid Hormone Receptors Bind to an Element in the Connexin43 Promoter

    Article • Biological Chemistry, January 2000, De Gruyter

    Dr Helmut Sies

  207. Preface

    Article • January 2000, Elsevier

    Dr Helmut Sies

  208. Preface

    Article • January 2000, Elsevier

    Dr Helmut Sies

  209. Mechanisms of Antioxidant Defense against Nitric Oxide/Peroxynitrite

    Article • January 2000, Elsevier

    Dr Helmut Sies

  210. What is Oxidative Stress?

    Article • January 2000, Springer Science + Business Media

    Dr Helmut Sies

  211. Signaling by Singlet Oxygen in Biological Systems

    Article • January 2000, Elsevier

    Dr Helmut Sies

  212. [21] Biological singlet oxygen quenchers assessed by monomol light emission

    Article • January 2000, Elsevier

    Dr Helmut Sies

  213. Water-Soluble Organotellurium Compounds:  Catalytic Protection against Peroxynitrite and Release of Zinc from Metallothionein

    Article • Chemical Research in Toxicology, January 2000, American Chemical Society (ACS)

    Dr Helmut Sies

  214. One-electron reduction of selenomethionine oxide

    Article • Free Radical Research, January 2000, Taylor & Francis

    Dr Helmut Sies

  215. Carotenoid-containing unilamellar liposomes loaded with glutathione: a model to study hydrophobic-hydrophilic antioxidant interaction

    Article • Free Radical Research, January 2000, Taylor & Francis

    Dr Helmut Sies

  216. Stimulation of Gap Junctional Communication: Comparison of acyclo-Retinoic Acid and Lycopene

    Article • Archives of Biochemistry and Biophysics, January 2000, Elsevier

    Dr Helmut Sies

  217. Interaction of Peroxynitrite with Carotenoids in Human Low Density Lipoproteins

    Article • Archives of Biochemistry and Biophysics, January 2000, Elsevier

    Dr Helmut Sies

  218. Selective upregulation of inducible nitric oxide synthase (iNOS) by lipopolysaccharide (LPS) and cytokines in microglia: In vitro and in vivo studies

    Article • Glia, January 2000, Wiley

    Dr Helmut Sies

  219. [13] Mitogen-activated protein kinase activation by singlet oxygen and ultraviolet A

    Article • January 2000, Elsevier

    Dr Helmut Sies

  220. [44] Carotenoids in human skin: Noninvasive measurement and identification of dermal carotenoids and carotenol esters

    Article • January 2000, Elsevier

    Dr Helmut Sies

  221. [7] Formation of electronically excited states during the oxidation of arachidonic acid by prostaglandin endoperoxide synthase

    Article • January 2000, Elsevier

    Dr Helmut Sies

  222. Protection against peroxynitrite by cocoa polyphenol oligomers

    Article • FEBS Letters, November 1999, Wiley

    Dr Helmut Sies

  223. Glutathione and its role in cellular functions

    Article • Free Radical Biology and Medicine, November 1999, Elsevier

    Dr Helmut Sies

  224. Peroxynitrite Diminishes Gap Junctional Communication: Protection by Selenite Supplementation

    Article • IUBMB Life, October 1999, Wiley

    Dr Helmut Sies

  225. Peroxynitrite Diminishes Gap Junctional Communication: Protection by Selenite Supplementation

    Article • IUBMB Life, October 1999, Taylor & Francis

    Dr Helmut Sies

  226. Protein Oxidation in Human Stratum Corneum: Susceptibility of Keratins to Oxidation In Vitro and Presence of a Keratin Oxidation Gradient In Vivo

    Article • Journal of Investigative Dermatology, September 1999, Elsevier

    Dr Helmut Sies

  227. Biological Activities of Apo-canthaxanthinoic Acids Related to Gap Junctional Communication

    Article • Archives of Biochemistry and Biophysics, May 1999, Elsevier

    Dr Helmut Sies

  228. Activation pattern of mitogen-activated protein kinases elicited by peroxynitrite: attenuation by selenite supplementation

    Article • FEBS Letters, April 1999, Wiley

    Dr Helmut Sies

  229. Mitogen-activated protein kinase (p38-, JNK-, ERK-) activation pattern induced by extracellular and intracellular singlet oxygen and UVA

    Article • European Journal of Biochemistry, March 1999, Wiley

    Dr Helmut Sies

  230. Function of Thioredoxin Reductase as a Peroxynitrite Reductase Using Selenocystine or Ebselen

    Article • Chemical Research in Toxicology, March 1999, American Chemical Society (ACS)

    Dr Helmut Sies

  231. Protection against peroxynitrite

    Article • FEBS Letters, February 1999, Wiley

    Dr Helmut Sies

  232. S-Nitrosylation and S-Glutathiolation of Protein Sulfhydryls byS-Nitroso Glutathione

    Article • Archives of Biochemistry and Biophysics, February 1999, Elsevier

    Dr Helmut Sies

  233. Carotenoids

    Article • January 1999, Elsevier

    Dr Helmut Sies

  234. A tribute to Lars Ernster

    Article • Free Radical Research, January 1999, Taylor & Francis

    Dr Helmut Sies

  235. A New Function for Selenoproteins

    Article • January 1999, Elsevier

    Dr Helmut Sies

  236. [32] Defenses against peroxynitrite

    Article • January 1999, Elsevier

    Dr Helmut Sies

  237. CAROTENOIDS: MODES OF ACTION AND BIOAVAILABILITY OF LYCOPENE IN THE HUMAN

    Article • January 1999, Elsevier

    Dr Helmut Sies

  238. Sensitized Chemiluminescence and Fluorescence Methods in Studies of Oxidative Stress

    Article • January 1999, Springer Science + Business Media

    Dr Helmut Sies

  239. [35] Matrix-assisted laser desorption ionization-postsource decay-mass spectrometry

    Article • January 1999, Elsevier

    Dr Helmut Sies

  240. [15] Gel electrofocusing method for studying protein S-nitrosylation

    Article • January 1999, Elsevier

    Dr Helmut Sies

  241. [33] Use of repair endonucleases to assess DNA damage by peroxynitrite

    Article • January 1999, Elsevier

    Dr Helmut Sies

  242. Kinetic Study of the Reaction of Glutathione Peroxidase with Peroxynitrite

    Article • Chemical Research in Toxicology, December 1998, American Chemical Society (ACS)

    Professor Willem H. Koppenol, Dr Helmut Sies

  243. Sensitization of Peroxynitrite Chemiluminescence by the Triplet Carbonyl Sensitizer Coumarin-525. Effect of CO2

    Article • Photochemistry and Photobiology, December 1998, Wiley

    Dr Helmut Sies

  244. Predisposition towards urolithiasis associated with the NQ01 null-allele

    Article • Pharmacogenetics, October 1998, Wolters Kluwer Health

    Dr Helmut Sies

  245. A 47-Amino-Acid Fragment of SV40 T Antigen Represses Transcription from Human GSTα Promoters

    Article • Virology, September 1998, Elsevier

    Dr Helmut Sies

  246. Hepatic mercapturic acid formation: involvement of cytosolic cysteinylglycine S-conjugate dipeptidase activity

    Article • Biochemical Pharmacology, September 1998, Elsevier

    Dr Helmut Sies

  247. Preferential Relative Porphyrin Enrichment in Solar Keratoses upon Topical Application of ^-Aminolevulinic Acid Methylester

    Article • Photochemistry and Photobiology, August 1998, Wiley

    Dr Helmut Sies

  248. Xanthophyll Esters in Human Skin

    Article • Archives of Biochemistry and Biophysics, July 1998, Elsevier

    Dr Helmut Sies

  249. Glutathione peroxidases as peroxynitrite reductases

    Article • Pathophysiology, June 1998, Elsevier

    Dr Helmut Sies

  250. Carotenoid mixtures protect multilamellar liposomes against oxidative damage: synergistic effects of lycopene and lutein

    Article • FEBS Letters, May 1998, Wiley

    Dr Helmut Sies

  251. Protein S-thiolation and redox regulation of membrane-bound glutathione transferase

    Article • Chemico-Biological Interactions, April 1998, Elsevier

    Dr Helmut Sies

  252. Protection by Organotellurium Compounds against Peroxynitrite-Mediated Oxidation and Nitration Reactions

    Article • Biochemical Pharmacology, March 1998, Elsevier

    Dr Helmut Sies

  253. Activation of JNK and P38 but not ERK map kinases in human skin cells by 5-aminolevulinate PDT, UVA and singlet oxygen

    Article • Journal of Dermatological Science, March 1998, Elsevier

    Dr Helmut Sies

  254. Optimum porphyrin formation in skin tumors and psoriatic lesions after topical application of δ-aminolevulinic acid

    Article • Journal of Dermatological Science, March 1998, Elsevier

    Dr Helmut Sies

  255. Induction of the human heme oxygenase-1 (HO-1) gene by ultraviolet a radiation (UVAR) and osmotic stress

    Article • Journal of Dermatological Science, March 1998, Elsevier

    Dr Helmut Sies

  256. Induction of mitochondrial (MT) DNA mutations in human fibroblasts by in-vitro ultraviolet a (UVA) irradiation

    Article • Journal of Dermatological Science, March 1998, Elsevier

    Dr Helmut Sies

  257. Enhancement of gap junctional communication and connexin43 expression by thyroid hormones

    Article • Biochemical Pharmacology, February 1998, Elsevier

    Dr Helmut Sies

  258. Identification of the precursor of singlet oxygen (1O2, 1Δg) involved in the disproportionation of hydrogen peroxide catalyzed by calcium hydroxide

    Article • Chemical Communications, January 1998, Royal Society of Chemistry

    Dr Helmut Sies

  259. Defenses Against Peroxynitrite

    Article • January 1998, Springer Science + Business Media

    Dr Helmut Sies

  260. The Lag Phase

    Article • Free Radical Research, January 1998, Taylor & Francis

    Dr Helmut Sies

  261. Lycopene and β-Carotene

    Article • January 1998, Springer Science + Business Media

    Dr Helmut Sies

  262. Sensitization of Peroxynitrite Chemiluminescence by the Triplet Carbonyl Sensitizer Coumarin-525. Effect of CO2

    Article • Photochemistry and Photobiology, January 1998, Wiley

    Dr Helmut Sies

  263. Activation of Gene Expression of Collagenase and ICAM-1 by UVA Radiation and by Exposure to Singlet Oxygen

    Article • January 1998, Springer Science + Business Media

    Dr Helmut Sies

  264. Reduction of Methionine Selenoxide to Selenomethionine by Glutathione

    Article • Archives of Biochemistry and Biophysics, January 1998, Elsevier

    Dr Helmut Sies

  265. Preferential Relative Porphyrin Enrichment in Solar Keratoses upon Topical Application of δ-Aminolevulinic Acid Methylester

    Article • Photochemistry and Photobiology, January 1998, Wiley

    Dr Helmut Sies

  266. Antioxidants and Human Health

    Article • January 1998, Springer Science + Business Media

    Dr Helmut Sies

  267. Evidence for a posttranscriptional effect of retinoic acid on connexin43 gene expression via the 3′-untranslated region

    Article • FEBS Letters, December 1997, Wiley

    Dr Helmut Sies

  268. Singlet Oxygen Quenching Abilities of Carotenoids

    Article • Liebigs Annalen, September 1997, Wiley

    Dr Helmut Sies

  269. Antioxidant Defense: Vitamins E and C and Carotenoids

    Article • Diabetes, September 1997, American Diabetes Association

    Dr Helmut Sies

  270. Singlet oxygen is an early intermediate in cytokine-dependent ultraviolet-A induction of interstitial collagenase in human dermal fibroblasts in vitro

    Article • FEBS Letters, August 1997, Wiley

    Dr Helmut Sies

  271. Increased frequency of a null-allele for NAD(P)H: quinone oxidoreductase in patients with urological malignancies

    Article • Pharmacogenetics, June 1997, Wolters Kluwer Health

    Dr Helmut Sies

  272. Singlet oxygen mediates the activation of JNK by UVA radiation in human skin fibroblasts

    Article • FEBS Letters, May 1997, Wiley

    Dr Helmut Sies

  273. Stimulation of gap junctional intercellular communication by thalidomide and thalidomide analogs in human skin fibroblasts

    Article • Biochemical Pharmacology, May 1997, Elsevier

    Dr Helmut Sies

  274. Quenching of singlet molecular oxygen by natural furan diterpenes

    Article • Journal of Photochemistry and Photobiology B Biology, April 1997, Elsevier

    Dr Helmut Sies, Paolo Di Mascio

  275. Oxidative stress: oxidants and antioxidants

    Article • Experimental Physiology, March 1997, Wiley

    Dr Helmut Sies

  276. Porphyrins Preferentially Accumulate in a Melanoma Following Intravenous Injection of 5-Aminolevulinic Acid

    Article • Biological Chemistry, January 1997, De Gruyter

    Dr Helmut Sies

  277. Subunit specificity and organ distribution of glutathione transferase-catalysed S-nitrosoglutathione formation from alkyl nitrites in the rat

    Article • Biochemical Pharmacology, January 1997, Elsevier

    Dr Helmut Sies

  278. Vitamin E Improves the Aminotransferase Status of Patients Suffering from Viral Hepatitis C: A Randomized, Double-Blind, Placebo-Controlled Study

    Article • Free Radical Research, January 1997, Taylor & Francis

    Dr Helmut Sies

  279. Kinetic study of the reaction of ebselen with peroxynitrite

    Article • FEBS Letters, December 1996, Wiley

    Professor Willem H. Koppenol, Dr Helmut Sies

  280. Lycopene: A Biologically Important Carotenoid for Humans?

    Article • Archives of Biochemistry and Biophysics, December 1996, Elsevier

    Dr Helmut Sies

  281. Analysis ofconnexin43gene expression induced by retinoic acid in F9 teratocarcinoma cells

    Article • FEBS Letters, November 1996, Wiley

    Dr Helmut Sies

  282. Ultraviolet B Wavelength Dependence for the Regulation of Two Major Matrix-Metalloproteinases and Their Inhibitor TIMP-1 in Human Dermal Fibroblasts

    Article • Photochemistry and Photobiology, November 1996, Wiley

    Dr Helmut Sies

  283. Selenium-containing compounds inactivate peroxynitrite and protect DNA from single-strand breaks more effectively than their sulfur analogs

    Article • Toxicology Letters, October 1996, Elsevier

    Dr Helmut Sies

  284. Ultraviolet B Wavelength Dependence for the Regulation of Two Major Matrix‐Metalloproteinases and Their Inhibitor TIMP‐1 in Human Dermal Fibroblasts

    Article • Photochemistry and Photobiology, October 1996, Wiley

    Dr Helmut Sies

  285. Protein S-Thiolation and Regulation of Microsomal Glutathione Transferase Activity by the Glutathione Redox Couple

    Article • Archives of Biochemistry and Biophysics, August 1996, Elsevier

    Dr Helmut Sies

  286. Vitamin E in Humans: Demand and Delivery

    Article • Annual Review of Nutrition, July 1996, Annual Reviews

    Dr Helmut Sies

  287. Analysis of Carotenoids and Carotenol Fatty Acid Esters by Matrix-Assisted Laser Desorption Ionization (MALDI) and MALDI–Post-Source-Decay Mass Spectrometry

    Article • Analytical Biochemistry, July 1996, Elsevier

    Dr Helmut Sies

  288. Selenium-Containing Compounds Protect DNA fromSingle-Strand Breaks Caused by Peroxynitrite

    Article • Archives of Biochemistry and Biophysics, June 1996, Elsevier

    Dr Helmut Sies

  289. β-Carotene serum levels in patients with erythropoietic protoporphyria on treatment with the synthetic all-trans isomer or a natural isomeric mixture of β-carotene

    Article • Journal of Photochemistry and Photobiology B Biology, April 1996, Elsevier

    Dr Helmut Sies

  290. Preface

    Article • January 1996, Elsevier

    Dr Helmut Sies

  291. The Reaction of 2-(Methylseleno)benzanilide with Peroxynitrite

    Article • Chemical Research in Toxicology, January 1996, American Chemical Society (ACS)

    Dr Helmut Sies

  292. Ebselen as a Glutathione Peroxidase Mimic and as a Scavenger of Peroxynitrite

    Article • January 1996, Elsevier

    Dr Helmut Sies

  293. The Reaction of Ebselen with Peroxynitrite

    Article • Chemical Research in Toxicology, January 1996, American Chemical Society (ACS)

    Dr Helmut Sies

  294. Free Radicals in Toxicology:Redox Cycling and NAD(P)H:Quinone Oxidoreductase

    Article • January 1996, Springer Science + Business Media

    Dr Helmut Sies

  295. Positive and Negative Regulatory Regions in Promoters of Human Glutathione Transferase Alpha Genes

    Article • Biological Chemistry Hoppe-Seyler, January 1996, De Gruyter

    Dr Helmut Sies

  296. Diminished Plasma Levels of Vitamin E in Patients with Severe Viral Hepatitis

    Article • Free Radical Research, January 1996, Taylor & Francis

    Dr Helmut Sies

  297. [37] Reaction of peroxynitrite and hydrogen peroxide to produce singlet molecular oxygen (1Δg)

    Article • January 1996, Elsevier

    Dr Helmut Sies

  298. 4-Oxo-Retinoic Acid Is Generated from Its Precursor Canthaxanthin and Enhances Gap Junctional Communication in 10T1/2 Cells

    Article • January 1996, Springer Science + Business Media

    Dr Helmut Sies

  299. Induction of Mouse Embryonal Carcinoma Cell Differentiation and Activation of the Retinoic Acid Receptor β2 Promoter by 1,25-Dihydroxyvitamin D3

    Article • Biological Chemistry Hoppe-Seyler, January 1996, De Gruyter

    Dr Helmut Sies

  300. SHORT COMMUNICATION: Induction of gap junctional intercellular communication by vitamin D in human skin fibroblasts is dependent on the nuclear vitamin D receptor

    Article • Carcinogenesis, January 1996, Oxford University Press (OUP)

    Dr Helmut Sies

  301. Adjacent guanines as preferred sites for strand breaks in plasmid DNA irradiated with 193 nm and 248 nm UV laser light

    Article • Journal of Photochemistry and Photobiology B Biology, January 1996, Elsevier

    Dr Helmut Sies

  302. Assessment of the C-525 laser dye as a chemiluminescence sensitizer for lipid peroxidation in biological membranes: A comparison with chlorophyll-α

    Article • Free Radical Biology and Medicine, January 1996, Elsevier

    Dr Helmut Sies

  303. Fruit Juice Carotenol Fatty Acid Esters and Carotenoids As Identified by Matrix-Assisted Laser Desorption Ionization (MALDI) Mass Spectrometry †

    Article • Journal of Agricultural and Food Chemistry, January 1996, American Chemical Society (ACS)

    Dr Helmut Sies

  304. β-Cryptoxanthin Selectively Increases in Human Chylomicrons upon Ingestion of Tangerine Concentrate Rich in β-Cryptoxanthin Esters

    Article • Archives of Biochemistry and Biophysics, December 1995, Elsevier

    Dr Helmut Sies

  305. Inactivation of viruses by chemically and photochemically generated singlet molecular oxygen

    Article • Journal of Photochemistry and Photobiology B Biology, September 1995, Elsevier

    Dr Helmut Sies

  306. Free radicals in toxicology: Redox cycling and nad(P)H: quinone oxidoreductase

    Article • Toxicology Letters, August 1995, Elsevier

    Dr Helmut Sies

  307. Turnover of Glutathione S-Transferase alpha mRNAs is Accelerated by 12-O-Tetradecanoyl Phorbol-13-Acetate in Human Hepatoma and Colon Carcinoma Cell Lines

    Article • European Journal of Biochemistry, April 1995, Wiley

    Dr Helmut Sies

  308. Turnover of Glutathione S-Transferase alpha mRNAs is Accelerated by 12-O-Tetradecanoyl Phorbol-13-Acetate in Human Hepatoma and Colon Carcinoma Cell Lines

    Article • European Journal of Biochemistry, April 1995, Wiley

    Dr Helmut Sies

  309. Some basic properties of ascorbate-dependent antioxidative-defence factors from rat liver cytosol

    Article • Chemico-Biological Interactions, March 1995, Elsevier

    Dr Helmut Sies

  310. Singlet Oxygen May Mediate the Ultraviolet A-Induced Synthesis of Interstitial Collagenase

    Article • Journal of Investigative Dermatology, February 1995, Elsevier

    Dr Helmut Sies

  311. Formation of singlet oxygen in the deoxygenation of heteroarene N-oxides by dimethyldioxirane

    Article • Journal of the Chemical Society Chemical Communications, January 1995, Royal Society of Chemistry

    Dr Helmut Sies

  312. Strategies of antioxidant defense

    Article • Pharmacological Research, January 1995, Elsevier

    Dr Helmut Sies

  313. Strategies of Antioxidant Defense: Relations to Oxidative Stress

    Article • January 1995, Springer Science + Business Media

    Dr Helmut Sies

  314. [35] Ebselen

    Article • January 1995, Elsevier

    Dr Helmut Sies

  315. Oxidativer Streß: Einblicke und Ausblicke

    Article • January 1995, Springer Science + Business Media

    Dr Helmut Sies

  316. Singlet molecular oxygen production in the reaction of peroxynitrite with hydrogen peroxide

    Article • FEBS Letters, December 1994, Wiley

    Dr Helmut Sies, Paolo Di Mascio

  317. Vitamin D influences gap junctional communication in C3H/10T 1/2 murine fibroblast cells

    Article • FEBS Letters, September 1994, Wiley

    Dr Helmut Sies

  318. Transport of ebselen in plasma and its transfer to binding sites in the hepatocyte

    Article • Biochemical Pharmacology, September 1994, Elsevier

    Dr Helmut Sies

  319. Oxidative Stress

    Article • May 1994, Taylor & Francis

    Dr Helmut Sies

  320. Purification of rat liver plasma membrane glutathione transferase

    Article • European Journal of Biochemistry, May 1994, Wiley

    Dr Helmut Sies

  321. Interaction of ebselen with glutathione S-transferase and papain in vitro

    Article • Biochemical Pharmacology, March 1994, Elsevier

    Dr Helmut Sies

  322. Strategies of antioxidant defense

    Article • January 1994, Springer Science + Business Media

    Dr Helmut Sies

  323. [37] singlet oxygen quenching by carotenoids

    Article • January 1994, Elsevier

    Dr Helmut Sies

  324. [38] Separation of geometrical isomers of β-carotene and lycopene

    Article • January 1994, Elsevier

    Dr Helmut Sies

  325. [47] Ebselen: A glutathione peroxidase mimic

    Article • January 1994, Elsevier

    Dr Helmut Sies

  326. [58] Antioxidant action of stobadine

    Article • January 1994, Elsevier

    Dr Helmut Sies

  327. [45] Transport of glutathione disulfide and glutathione S-conjugates in Hepatocyte plasma membrane vesicles

    Article • January 1994, Elsevier

    Dr Helmut Sies

  328. [4]] Localization of strand breaks in plasmid DNA treated with reactive oxygen species

    Article • January 1994, Elsevier

    Dr Helmut Sies

  329. Low vitamin E content in plasma of patients with alcoholic liver disease, hemochromatosis and wilson's disease

    Article • Journal of Hepatology, January 1994, Elsevier

    Dr Helmut Sies

  330. Expression of NAD(P)H: quinone oxidoreductase and glutathione S-transferases α and π in human renal cell carcinoma and in kidney cancer-derived cell lines

    Article • Carcinogenesis, January 1994, Oxford University Press (OUP)

    Dr Helmut Sies

  331. Loss of Heterozygosity at the NAD(P)H:Quinone Oxidoreductase Locus Associated with Increased Resistance against Mitomycin C in a Human Bladder Carcinoma Cell Line

    Article • Biological Chemistry Hoppe-Seyler, January 1994, De Gruyter

    Dr Helmut Sies

  332. Physical Quenching of Singlet Oxygen and cis-trans Isomerization of Carotenoids

    Article • Annals of the New York Academy of Sciences, December 1993, Wiley

    Dr Helmut Sies

  333. Singlet oxygen induces collagenase expression in human skin fibroblasts

    Article • FEBS Letters, October 1993, Wiley

    Dr Helmut Sies

  334. Strategies of antioxidant defense

    Article • European Journal of Biochemistry, July 1993, Wiley

    Dr Helmut Sies

  335. Selective para-hydroxylation of phenol and aniline by singlet molecular oxygen

    Article • Chemical Research in Toxicology, July 1993, American Chemical Society (ACS)

    Dr Helmut Sies

  336. Damage to plasmid DNA by singlet oxygen and its protection

    Article • Mutation Research/Genetic Toxicology, May 1993, Elsevier

    Dr Helmut Sies

  337. Identification of a hepatic plasma membrane glutathione S-transferase activated by N-ethylmaleimide

    Article • Biochimica et Biophysica Acta (BBA) - Biomembranes, May 1993, Elsevier

    Dr Helmut Sies

  338. Cis/trans ISOMERIZATION OF CAROTENOIDS BY THE TRIPLET CARBONYL SOURCE 3-HYDROXYMETHYL-3,4,4-TRIMETHYL-1,2-DIOXETANE

    Article • Photochemistry and Photobiology, May 1993, Wiley

    Dr Helmut Sies

  339. Separation of retinoic acid all-trans, mono-cis and poly-cis isomers by reversed-phase high-performance liquid chromatography

    Article • Journal of Chromatography A, May 1993, Elsevier

    Dr Helmut Sies

  340. Ebselen, a selenoorganic compound as glutathione peroxidase mimic

    Article • Free Radical Biology and Medicine, March 1993, Elsevier

    Dr Helmut Sies

  341. Reactive oxygen species associated with cell differentiation in Neurospora crassa

    Article • Free Radical Biology and Medicine, March 1993, Elsevier

    Dr Helmut Sies

  342. Loss of α-tocopherol upon exposure to nitric oxide or the sydnonimine SIN-1

    Article • FEBS Letters, January 1993, Wiley

    Dr Helmut Sies

  343. Medical Applications of Antioxidants: An Update of Current Problems

    Article • January 1993, Springer Science + Business Media

    Dr Helmut Sies

  344. A synthetic C22 carotenoid inhibits carcinogen-induced neoplastic transformation and enhances gap junctional communication

    Article • Carcinogenesis, January 1993, Oxford University Press (OUP)

    Dr Helmut Sies

  345. Prevention of singlet oxygen-induced DNA damage by lipoate

    Article • Chemico-Biological Interactions, January 1993, Elsevier

    Dr Helmut Sies

  346. Interaction of the pyridoindole stobadine with peroxyl, superoxide and chromanoxyl radicals

    Article • Biochemical Pharmacology, January 1993, Elsevier

    Dr Helmut Sies

  347. Reaktive Sauerstoffspezies: Prooxidantien und Antioxidantien in Biologie und Medizin

    Article • January 1993, Springer Science + Business Media

    Dr Helmut Sies

  348. Cellular Levels ofall-trans-β-Carotene under the Influence of 9-cis-β-Carotene in FU-5 Rat Hepatoma Cells

    Article • Biological Chemistry Hoppe-Seyler, January 1993, De Gruyter

    Dr Helmut Sies

  349. Protection by glutathione and other thiol compounds against the loss of protein thiols and tocopherol homologs during microsomal lipid peroxidation

    Article • European Journal of Biochemistry, November 1992, Wiley

    Dr Helmut Sies

  350. Antioxidant Functions of Vitamins

    Article • Annals of the New York Academy of Sciences, September 1992, Wiley

    Dr Helmut Sies

  351. Singlet oxygen induced DNA damage

    Article • Mutation Research/DNAging, September 1992, Elsevier

    Dr Helmut Sies

  352. Antioxidant depletion in aortic crossclamping ischemia: Increase of the plasma α-tocopheryl quinone/α-tocopherol ratio

    Article • Free Radical Biology and Medicine, August 1992, Elsevier

    Dr Helmut Sies

  353. Tetramethyl-ortho-chinodimethan (NOCT-1), das erste Mitglied einer Familie maßgeschneiderter cheletroper Spinfänger für Stickstoffmonoxid

    Article • Angewandte Chemie, July 1992, Wiley

    Dr Helmut Sies

  354. Tetramethyl-Ortho-quinodimethane, First Member of a Family of Custom-Tailored Cheletropic Spin Traps for Nitric Oxide

    Article • Angewandte Chemie International Edition in English, July 1992, Wiley

    Dr Helmut Sies

  355. Inhibition of superoxide and nitric oxide release and protection from reoxygenation injury by ebselen in rat kupffer cells

    Article • Hepatology, June 1992, Wiley

    Dr Helmut Sies

  356. Book Review: Vitamin C: Its Chemistry and Biochemistry. By M. B. Davies, J. Austin, and D. A. Partridge

    Article • Angewandte Chemie International Edition in English, June 1992, Wiley

    Dr Helmut Sies

  357. Antioxidant activity of the pyridoindole stobadine in liposomal and microsomal lipid peroxidation

    Article • Chemico-Biological Interactions, June 1992, Elsevier

    Dr Helmut Sies

  358. De novo methylation of transfected CAT gene plasmid constructs in F9 mouse embryonal carcinoma cells

    Article • Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression, May 1992, Elsevier

    Dr Helmut Sies

  359. Antioxidant activity of the pyridoindole stobadine. Pulse radiolytic characterization of one-electron-oxidized stobadine and quenching of singlet molecular oxygen

    Article • Chemical Research in Toxicology, May 1992, American Chemical Society (ACS)

    Dr Helmut Sies

  360. cis-trans isomers of lycopene and β-carotene in human serum and tissues

    Article • Archives of Biochemistry and Biophysics, April 1992, Elsevier

    Dr Helmut Sies

  361. SYNTHETIC CAROTENOIDS, NOVEL POLYENE POLYKETONES AND NEW CAPSORUBIN ISOMERS AS EFFICIENT QUENCHERS OF SINGLET MOLECULAR OXYGEN

    Article • Photochemistry and Photobiology, April 1992, Wiley

    Dr Helmut Sies

  362. NADPH-dependent oxidation of reduced ebselen, 2-selenylbenzanilide, and of 2-(methylseleno)benzanilide catalyzed by pig liver flavin-containing monooxygenase

    Article • Chemical Research in Toxicology, March 1992, American Chemical Society (ACS)

    Dr Helmut Sies

  363. Interorgan Glutathione Transport

    Article • January 1992, Springer Science + Business Media

    Dr Helmut Sies

  364. Tocopherols, Carotenoids and The Glutathione System

    Article • January 1992, Springer Science + Business Media

    Dr Helmut Sies

  365. Ascorbate-Dependent Capacity of Dialysed Rat Liver Cytosol to Prevent Nonenzymatic Lipid Peroxidation

    Article • Biological Chemistry Hoppe-Seyler, January 1992, De Gruyter

    Dr Helmut Sies

  366. Low- and high-Km transport of dinitrophenyl glutathione in inside out vesicles from human erythrocytes

    Article • Biochimica et Biophysica Acta (BBA) - Biomembranes, January 1992, Elsevier

    Dr Helmut Sies

  367. [40] Assay of lycopene and other carotenoids as singlet oxygen quenchers

    Article • January 1992, Elsevier

    Dr Helmut Sies

  368. Increase of β‐actin mRNA upon hypotonic perfusion of perfused rat liver

    Article • FEBS Letters, November 1991, Wiley

    Dr Helmut Sies

  369. Oxidative stress: From basic research to clinical application

    Article • The American Journal of Medicine, September 1991, Elsevier

    Dr Helmut Sies

  370. Formation of 8-hydroxy(deoxy)guanosine and generation of strand breaks at guanine residues in DNA by singlet oxygen

    Article • Biochemistry, June 1991, American Chemical Society (ACS)

    Dr Helmut Sies

  371. Activity of thiols as singlet molecular oxygen quenchers

    Article • Journal of Photochemistry and Photobiology B Biology, April 1991, Elsevier

    Dr Helmut Sies, Paolo Di Mascio

  372. Singlet oxygen induced single-strand breaks in plasmid pBR322 DNA: the enhancing effect of thiols

    Article • Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression, March 1991, Elsevier

    Dr Helmut Sies, Paolo Di Mascio

  373. Cholestasis and changes of portal pressure caused by chlorpromazine in the perfused rat liver

    Article • Hepatology, February 1991, Wiley

    Dr Helmut Sies

  374. Identification of an abundant S-thiolated rat liver protein as carbonic anhydrase III; characterization of S-thiolation and dethiolation reactions

    Article • Archives of Biochemistry and Biophysics, February 1991, Elsevier

    Dr Helmut Sies

  375. Molecular Aspects of Inflammation

    Article • January 1991, Springer Science + Business Media

    Dr Helmut Sies

  376. CAROTENOIDS, TOCOPHEROLS AND THIOLS AS BIOLOGICAL SINGLET OXYGEN QUENCHERS

    Article • January 1991, Elsevier

    Dr Helmut Sies

  377. Role of tocopherols in the protection of biological systems against oxidative damage

    Article • Journal of Photochemistry and Photobiology B Biology, January 1991, Elsevier

    Dr Helmut Sies

  378. ROLE OF SPECIFIC PROTEIN S-THIOLATION UNDER OXIDATIVE STRESS

    Article • January 1991, Elsevier

    Dr Helmut Sies

  379. Biological Significance of Active Oxygen Species: In Vitro Studies on Singlet Oxygen-Induced DNA Damage and on the Singlet Oxygen Quenching Ability of Carotenoids, Tocopherols and Thiols

    Article • January 1991, Springer Science + Business Media

    Dr Helmut Sies

  380. Oxidative damage to mitochondria and protection by ebselen and other antioxidants

    Article • Biochemical Pharmacology, October 1990, Elsevier

    Dr Helmut Sies

  381. Reactivity of ebselen and related selenoorganic compounds with 1,2-dichloroethane radical cations and halogenated peroxyl radicals

    Article • Archives of Biochemistry and Biophysics, October 1990, Elsevier

    Dr Helmut Sies

  382. Microsomal metabolism of 2-(methylseleno)benzanilide

    Article • Chemical Research in Toxicology, May 1990, American Chemical Society (ACS)

    Dr Helmut Sies

  383. Physical and chemical scavenging of singlet molecular oxygen by tocopherols

    Article • Archives of Biochemistry and Biophysics, February 1990, Elsevier

    Dr Helmut Sies, Paolo Di Mascio

  384. Phosphorylase and creatine kinase modification by thiol-disulfide exchange and by xanthine oxidase-initiated S-thiolation

    Article • Archives of Biochemistry and Biophysics, February 1990, Elsevier

    Dr Helmut Sies

  385. Free radicals in biotechnology and medicine

    Article • Analytical Proceedings, January 1990, Royal Society of Chemistry

    Dr Helmut Sies

  386. Quinone Redox Cycling and the Protective Effect of DT Diaphorase

    Article • January 1990, Springer Science + Business Media

    Dr Helmut Sies

  387. Carotenoids, tocopherols and thiols as biological singlet oxygen quenchers

    Article • Free Radical Biology and Medicine, January 1990, Elsevier

    Dr Helmut Sies

  388. Role of specific protein S-thiolation under oxidative stress

    Article • Free Radical Biology and Medicine, January 1990, Elsevier

    Dr Helmut Sies

  389. Antioxidant and radical scavenging abilities of ebselen and relation to vitamin E

    Article • Free Radical Biology and Medicine, January 1990, Elsevier

    Dr Helmut Sies

  390. Singlet molecular oxygen induced changes in DNA: Single-strand breaks, loss of biological activity and mutagenicity

    Article • Free Radical Biology and Medicine, January 1990, Elsevier

    Dr Helmut Sies

  391. Temporal relationships between the loss of vitamin E, protein sulfhydryls and lipid peroxidation in microsomes challenged with different prooxidants

    Article • Chemico-Biological Interactions, January 1990, Elsevier

    Dr Helmut Sies

  392. Antioxidant Activity of Ebselen and Related Selenoorganic Compounds in Microsomal Lipid Peroxidation

    Article • Free Radical Research Communications, January 1990, Taylor & Francis

    Dr Helmut Sies

  393. Decreased expression of the glutathione S-transferases alpha and pi genes in human renal cell carcinoma

    Article • Carcinogenesis, January 1990, Oxford University Press (OUP)

    Dr Helmut Sies

  394. Glutathione levels in human lens: Regional distribution in different forms of cataract

    Article • Experimental Eye Research, January 1990, Elsevier

    Dr Helmut Sies

  395. [63] Visible-range low-level chemiluminescence in biological systems

    Article • January 1990, Elsevier

    Dr Helmut Sies

  396. Identification of an abundant, S-thiolated rat liver protein as carbonic anhydrase III; Characterization of S-thiolation and dethiolation reaction

    Article • Free Radical Biology and Medicine, January 1990, Elsevier

    Dr Helmut Sies

  397. Human Fibroblasts Release Low Amounts of Reactive Oxygen Species in Response to the Potent Phagocyte Stimulants, Serum-Treated Zymosan, N-Formyl-methionyl-leucyl-phenylalanine, Leukotriene B4or 12-O-Tetradecanoylphorbol 13-Acetate

    Article • Biological Chemistry Hoppe-Seyler, January 1990, De Gruyter

    Dr Helmut Sies

  398. Human Fibroblasts Release Reactive Oxygen Species in Response to Treatment with Synovial Fluids from Patients Suffering from Arthritis

    Article • Free Radical Research Communications, January 1990, Taylor & Francis

    Dr Helmut Sies

  399. Alpha-Tocopherol in Microsomal Lipid Peroxidation

    Article • Annals of the New York Academy of Sciences, December 1989, Wiley

    Dr Helmut Sies

  400. Lycopene as the most efficient biological carotenoid singlet oxygen quencher

    Article • Archives of Biochemistry and Biophysics, November 1989, Elsevier

    Dr Helmut Sies, Paolo Di Mascio

  401. Hepatic lipoate uptake

    Article • Archives of Biochemistry and Biophysics, September 1989, Elsevier

    Dr Helmut Sies

  402. ATP-stimulated uptake of S-(2,4-dinitrophenyl)glutathione by plasma membrane vesicles from rat liver

    Article • Biochimica et Biophysica Acta (BBA) - Biomembranes, July 1989, Elsevier

    Dr Helmut Sies

  403. Ca2+ mobilization by vasopressin and glucagon in perfused livers

    Article • Biochemical Pharmacology, June 1989, Elsevier

    Dr Helmut Sies

  404. S-(4-Azidophenacyl)[35S]glutathione photoaffinity labeling of rat liver plasma membrane-associated proteins

    Article • Biochimica et Biophysica Acta (BBA) - Biomembranes, June 1989, Elsevier

    Dr Helmut Sies

  405. THE PEROXIDASE/OXIDASE ACTIVITY OF SOYBEAN LIPOXYGENASE - I. TRIPLET EXCITED CARBONYLS FROM THE REACTION WITH ISOBUTANAL AND THE EFFECT OF GLUTATHIONE

    Article • Photochemistry and Photobiology, May 1989, Wiley

    Dr Helmut Sies

  406. THE PEROXIDASE/OXIDASE ACTIVITY OF SOYBEAN LIPOXYGENASE – II. TRIPLET CARBONYLS AND RED PHOTOEMISSION DURING POLYUNSATURATED FATTY ACID AND GLUTATHIONE OXIDATION

    Article • Photochemistry and Photobiology, May 1989, Wiley

    Dr Helmut Sies

  407. Quantification of singlet oxygen generated by thermolysis of 3,3'-(1,4-naphthylene)dipropionate endoperoxide. Monomol and dimol photoemission and the effects of 1,4-diazabicyclo[2.2.2]octane

    Article • Journal of the American Chemical Society, April 1989, American Chemical Society (ACS)

    Dr Helmut Sies, Paolo Di Mascio

  408. Zur Biochemie der Thiolgruppe: Bedeutung des Glutathions

    Article • The Science of Nature, February 1989, Springer Science + Business Media

    Dr Helmut Sies

  409. Optical spectral studies of ebselen interaction with cytochrome P-450 of rat liver microsomes

    Article • Biochemical Pharmacology, February 1989, Elsevier

    Dr Helmut Sies

  410. Antioxidant activity of dihydrolipoate against microsomal lipid peroxidation and its dependence on α-tocopherol

    Article • Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism, February 1989, Elsevier

    Dr Helmut Sies

  411. GLUTATHIONE CONJUGATES: TRANSPORT FROM THE CELL AND INTRACELLULAR EFFECTS

    Article • January 1989, Elsevier

    Dr Helmut Sies

  412. Book Reviews

    Article • Free Radical Research Communications, January 1989, Taylor & Francis

    Dr Helmut Sies

  413. Cytochrome P-450, Reductive Metabolism, And Cell Injury

    Article • Drug Metabolism Reviews, January 1989, Taylor & Francis

    Dr Helmut Sies

  414. [11] Effects of hormones on mitochondrial processes

    Article • January 1989, Elsevier

    Dr Helmut Sies

  415. [34] Transport of glutathione, glutathione disulfide, and glutathione conjugates across the hepatocyte plasma membrane

    Article • January 1989, Elsevier

    Dr Helmut Sies

  416. Chemiluminescent oxidation of ribose catalyzed by horseradish peroxidase in presence of hydrogen peroxide

    Article • Free Radical Biology and Medicine, January 1989, Elsevier

    Dr Helmut Sies

  417. Specific S-thiolation of a 30-kDa cytosolic protein from rat liver under oxidative stress

    Article • European Journal of Biochemistry, January 1989, Wiley

    Dr Helmut Sies

  418. Antioxidant Activity of 5-Hydroxytryptophan, 5-Hydroxyindole, and Dopa Against Microsomal Lipid Peroxidation and Its Dependence on Vitamin E

    Article • Free Radical Research Communications, January 1989, Taylor & Francis

    Dr Helmut Sies

  419. Metabolism and Disposition of Ebselen

    Article • January 1989, Springer Science + Business Media

    Dr Helmut Sies

  420. The protection by ascorbate and glutathione against microsomal lipid peroxidation is dependent on vitamin E

    Article • European Journal of Biochemistry, June 1988, Wiley

    Dr Helmut Sies

  421. Inhibition of biliary taurocholate excretion during menadione metabolism in perfused rat liver

    Article • Archives of Biochemistry and Biophysics, May 1988, Elsevier

    Dr Helmut Sies

  422. A new parameter for sex education

    Article • Nature, April 1988, Springer Science + Business Media

    Dr Helmut Sies

  423. Biochemistry of oxidative stress

    Article • European Journal of Cancer and Clinical Oncology, November 1987, Elsevier

    Dr Helmut Sies

  424. Cholestasis and changes in the microcirculation of perfused rat liver caused by the calcium ionophore A23187 and type I antiarrhythmic drugs

    Article • Biochemical Pharmacology, September 1987, Elsevier

    Dr Helmut Sies

  425. Antioxidant Activity in Cells and Organs

    Article • American Review of Respiratory Disease, August 1987, American Thoracic Society

    Dr Helmut Sies

  426. pH control of hepatic glutamine degradation. Role of transport

    Article • European Journal of Biochemistry, July 1987, Wiley

    Dr Helmut Sies

  427. Generation of photoemissive species by mitomycin C redox cycling in rat liver microsomes

    Article • Biochemical Pharmacology, May 1987, Elsevier

    Dr Helmut Sies

  428. Intact organ spectrophotometry and single-photon counting

    Article • Archives of Toxicology, May 1987, Springer Science + Business Media

    Dr Helmut Sies

  429. Inhibition of taurocholate efflux from rat hepatic canalicular membrane vesicles by glutathione disulfide

    Article • FEBS Letters, March 1987, Wiley

    Dr Helmut Sies

  430. Perivascular nerve stimulation and phenylephrine responses in rat liver. Metabolic effects, Ca2+ and K+ fluxes

    Article • European Journal of Biochemistry, February 1987, Wiley

    Dr Helmut Sies

  431. Loss of transforming activity of plasmid DNA (pBR322) in E. coli caused by singlet molecular oxygen

    Article • FEBS Letters, January 1987, Wiley

    Dr Helmut Sies

  432. Peroxisomes in Biology and Medicine

    Article • January 1987

    Dr Helmut Sies

  433. Hormones, glutathione status and protein S-thiolation

    Article • Advances in Enzyme Regulation, January 1987, Elsevier

    Dr Helmut Sies

  434. Book Reviews

    Article • Free Radical Research Communications, January 1987, Taylor & Francis

    Dr Helmut Sies

  435. Xanthine Oxidase is Not Responsible for Reoxygenation Injury in Isolated-Perfused Rat Heart

    Article • Free Radical Research Communications, January 1987, Taylor & Francis

    Dr Helmut Sies

  436. Distinct temporal relation among oxygen uptake, malondialdehyde formation, and low-level chemiluminescence during microsomal lipid peroxidation

    Article • Archives of Biochemistry and Biophysics, January 1987, Elsevier

    Dr Helmut Sies

  437. Generation of excited species catalyzed by horseradish peroxidase or hemin in the presence of reduced glutathione and H2O2

    Article • Free Radical Biology and Medicine, January 1987, Elsevier

    Dr Helmut Sies

  438. Die enzymatische Entgiftung reaktiver Sauerstoffspezies

    Article • January 1987, Springer Science + Business Media

    Dr Helmut Sies

  439. Biochemie des oxidativen Stress

    Article • Angewandte Chemie, December 1986, Wiley

    Dr Helmut Sies

  440. Biochemistry of Oxidative Stress

    Article • Angewandte Chemie International Edition in English, December 1986, Wiley

    Dr Helmut Sies

  441. Mutagenicity of nitroxide-free radicals

    Article • Archives of Biochemistry and Biophysics, November 1986, Elsevier

    Dr Helmut Sies

  442. Mechanism and relevance of glutathione mutagenicity

    Article • Mutation Research Letters, November 1986, Elsevier

    Dr Helmut Sies

  443. Book Review: Biological Oxidation of Nitrogen in Organic Molecules Chemistry, Toxicology and Pharmacology. Edited by J. W. Gorrod and L. A. Damani

    Article • Angewandte Chemie International Edition in English, September 1986, Wiley

    Dr Helmut Sies

  444. Energy-linked cardiac transport system for glutathione disulfide

    Article • FEBS Letters, May 1986, Wiley

    Dr Helmut Sies

  445. Generation of photoemissive species during quinone redox cycling

    Article • Biochemical Pharmacology, January 1986, Elsevier

    Dr Helmut Sies

  446. Generation of photoemissive species during quinone redox cycling

    Article • January 1986, Elsevier

    Dr Helmut Sies

  447. The major isozyme of rat cardiac glutathione transferases. Its correspondence to hepatic transferase X

    Article • European Journal of Biochemistry, January 1986, Wiley

    Dr Helmut Sies

  448. Reactive Oxygen Species Formed in Vitro and in Cells: Role of Thiols(GSH). Model Studies with Xanthine Oxidase and Horseradish Peroxidase

    Article • January 1986, Springer Science + Business Media

    Dr Helmut Sies

  449. Oxygen dependence and subcellular partitioning of hepatic menadione-mediated oxygen uptake

    Article • Archives of Biochemistry and Biophysics, December 1985, Elsevier

    Dr Helmut Sies

  450. Role of plasma membrane transport in hepatic glutamine metabolism

    Article • European Journal of Biochemistry, November 1985, Wiley

    Dr Helmut Sies

  451. A novel biologically active selenoorganic compound—IV

    Article • Biochemical Pharmacology, April 1985, Elsevier

    Dr Helmut Sies

  452. Effect of age and ambient temperature on n-pentane production in adult housefly, Musca domestica

    Article • Mechanisms of Ageing and Development, March 1985, Elsevier

    Dr Helmut Sies

  453. Preface

    Article • January 1985, Elsevier

    Dr Helmut Sies

  454. Oxidative Stress: Introductory Remarks

    Article • January 1985, Elsevier

    Dr Helmut Sies

  455. Functional hepatocyte heterogeneity in ammonia metabolism

    Article • Journal of Hepatology, January 1985, Elsevier

    Dr Helmut Sies

  456. Oxidative stress: Excited oxygen species and enzyme activity

    Article • Advances in Enzyme Regulation, January 1985, Elsevier

    Dr Helmut Sies

  457. Hydroperoxides and Thiol Oxidants in the Study of Oxidative Stress in Intact Cells and Organs

    Article • January 1985, Elsevier

    Dr Helmut Sies

  458. Excited species generation in horseradish peroxidase-mediated oxidation of glutathione

    Article • Journal of Free Radicals in Biology & Medicine, January 1985, Elsevier

    Dr Helmut Sies

  459. Lack of effect of long-term glutathione administration on aflatoxin B1-induced hepatoma in male rats

    Article • Chemico-Biological Interactions, January 1985, Elsevier

    Dr Helmut Sies

  460. DETOXICATION OF OXYGEN FREE RADICALS

    Article • December 1984, De Gruyter

    Dr Helmut Sies

  461. MECHANISM OF ARACHIDONIC ACID-STIMULATED SINGLET OXYGEN FORMATION BY PROSTAGLANDIN-ENDOPEROXIDE SYNTHASE

    Article • December 1984, De Gruyter

    Dr Helmut Sies

  462. BILIARY TAUROCHOLATE RELEASE DURING REDOX CYCLING IN PERFUSED RAT LIVER

    Article • December 1984, De Gruyter

    Dr Helmut Sies

  463. LOW-LEVEL CHEMILUMINESCENCE, ALKANE PRODUCTION AND GLUTATHIONE DEPLETION IN ISOLATED HEPATOCYTES CAUSED BY A DIFFUSIBLE PRODUCT OF LIPID PEROXIDATION, 4-HYDROXYNONENAL

    Article • December 1984, De Gruyter

    Dr Helmut Sies

  464. ROLE OF GLUTATHIONE AND NAD(P)H:QUINONE OXIDOREDUCTASE (DT-DIAPHORASE) IN DETERMINING LOW-LEVEL CHEMILUMINESCENCE DURING REDOX CYCLING OF MENADIONE

    Article • December 1984, De Gruyter

    Dr Helmut Sies

  465. Generation of low-level chemiluminescence during the metabolism of 1-naphthol by rat liver microsomes

    Article • Biochemical Pharmacology, December 1984, Elsevier

    Dr Helmut Sies

  466. A novel biologically active seleno-organic compound—1

    Article • Biochemical Pharmacology, October 1984, Elsevier

    Dr Helmut Sies

  467. Subcellular glutathione contents in isolated hepatocytes treated with L-buthionine sulfoximine

    Article • Biochemical and Biophysical Research Communications, September 1984, Elsevier

    Dr Helmut Sies

  468. Hepatic role in pH regulation: role of the intercellular glutamine cycle

    Article • Trends in Biochemical Sciences, July 1984, Elsevier

    Dr Helmut Sies

  469. Biliary transport of glutathione disulfide studied with isolated rat-liver canalicular-membrane vesicles

    Article • European Journal of Biochemistry, May 1984, Wiley

    Dr Helmut Sies

  470. The isozyme pattern of glutathione S -transferases in rat heart

    Article • FEBS Letters, April 1984, Wiley

    Dr Helmut Sies

  471. Protection against reactive oxygen species by NAD(P)H:quinone reductase induced by the dietary antioxidant butylated hydroxyanisole (BHA)

    Article • FEBS Letters, April 1984, Wiley

    Dr Helmut Sies

  472. Hepatic uptake of cadmium and its biliary release as affected by dithioerythritol and glutathione

    Article • Biochemical Pharmacology, February 1984, Elsevier

    Dr Helmut Sies

  473. Compartmentation of high-energy phosphates in resting and working rat skeletal muscle

    Article • Biochimica et Biophysica Acta (BBA) - Bioenergetics, February 1984, Elsevier

    Dr Helmut Sies

  474. Glutamine Metabolism in Mammalian Tissues

    Article • January 1984, Springer Science + Business Media

    Dr Helmut Sies

  475. [37] Assay of ethane and pentane from isolated organs and cells

    Article • January 1984, Elsevier

    Dr Helmut Sies

  476. [59] Glutathione disulfide (GSSG) efflux from cells and tissues

    Article • January 1984, Elsevier

    Dr Helmut Sies

  477. [26] Low-level chemiluminescence as an indicator of singlet molecular oxygen in biological systems

    Article • January 1984, Elsevier

    Dr Helmut Sies

  478. Interaction of a glutathione S-conjugate with glutathione reductase Kinetic and X-ray crystallographic studies

    Article • European Journal of Biochemistry, January 1984, Wiley

    Dr Helmut Sies

  479. Effect of DABCO (1,4-diazabicyclo[2,2,2]-octane) on singlet oxygen monomol (1270 nm) and dimol (634 and 703 nm) emission

    Article • FEBS Letters, December 1983, Wiley

    Dr Helmut Sies

  480. Antioxidant effect of diethyldithiocarbamate on microsomal lipid peroxidation assessed by low-level chemiluminescence and alkane production

    Article • FEBS Letters, December 1983, Wiley

    Dr Helmut Sies

  481. Oxidation of glutathione by the superoxide radical to the disulfide and the sulfonate yielding singlet oxygen

    Article • European Journal of Biochemistry, December 1983, Wiley

    Dr Helmut Sies

  482. Identification and quantitation of glutathione in hepatic protein mixed disulfides and its relationship to glutathione disulfide

    Article • Biochemical Pharmacology, September 1983, Elsevier

    Dr Helmut Sies

  483. Ethane Release during Metabolism of Aldehydes and Monoamines in Perfused Rat Liver

    Article • European Journal of Biochemistry, August 1983, Wiley

    Dr Helmut Sies

  484. Hepatic low-level chemiluminescence during redox cycling of menadione and the menadione-glutathione conjugate: Relation to glutathione and NAD(P)H:quinone reductase (DT-diaphorase) activity

    Article • Archives of Biochemistry and Biophysics, July 1983, Elsevier

    Dr Helmut Sies

  485. Glutathione conjugation of benzo[a]pyrene-7,8-dihydrodiol and benzo[a]pyrene-7,8-dihydrodiol-9,10-oxide in the perfused rat liver

    Article • Chemico-Biological Interactions, April 1983, Elsevier

    Dr Helmut Sies

  486. Biological Basis of Detoxication of Oxygen Free Radicals

    Article • January 1983, Elsevier

    Dr Helmut Sies

  487. Paraquat-induced chemiluminescence of microsomal fractions

    Article • Biochemical Pharmacology, January 1983, Elsevier

    Dr Helmut Sies

  488. Inhibition of ethanol- and aldehyde-induced release of ethane from isolated perfused rat liver by pargyline and disulfiram

    Article • Pharmacology Biochemistry and Behavior, January 1983, Elsevier

    Dr Helmut Sies

  489. 522 Singlet oxygen formation detected by low-level chemiluminescence during enzymatic reduction of prostaglandin G2 to H2.

    Article • Journal of Steroid Biochemistry, January 1983, Elsevier

    Dr Helmut Sies

  490. Cellular Redox Changes and Response to Drugs and Toxic Agents

    Article • Toxicological Sciences, January 1983, Oxford University Press (OUP)

    Dr Helmut Sies

  491. Decrease of Flux through Pyruvate Dehydrogenase and Branched-Chain 2-Oxo-Acid Dehydrogenase by Nitrofurantoin in Perfused Rat Liver

    Article • Hoppe-Seyler´s Zeitschrift für physiologische Chemie, January 1983, De Gruyter

    Dr Helmut Sies

  492. Decreased Flux through Pyruvate Dehydrogenase by Thiol Oxidation during t-Butyl Hydroperoxide Metabolism in Perfused Rat Liver

    Article • Hoppe-Seyler´s Zeitschrift für physiologische Chemie, January 1983, De Gruyter

    Dr Helmut Sies

  493. Singlet Oxygen Formation Detected by Low-Level Chemiluminescence during Enzymatic Reduction of Prostaglandin G2to H2

    Article • Hoppe-Seyler´s Zeitschrift für physiologische Chemie, January 1983, De Gruyter

    Dr Helmut Sies

  494. Inhibition of Pyruvate Dehydrogenase during the Metabolism of Glutamine and Proline in Hemoglobin-Free Perfused Rat Liver

    Article • European Journal of Biochemistry, August 1982, Wiley

    Dr Helmut Sies

  495. PEROXISOMAL FUNCTION IN PERFUSED LIVER AS STUDIED BY ORGAN PHOTOMETRY

    Article • Annals of the New York Academy of Sciences, May 1982, Wiley

    Dr Helmut Sies

  496. Competition between transport of glutathione disulfide (GSSG) and glutathioneS-conjugates from perfused rat liver into bile

    Article • FEBS Letters, April 1982, Wiley

    Dr Helmut Sies

  497. Increase in hepatic mixed disulphide and glutathione disulphide levels elicited by paraquat

    Article • Biochemical Pharmacology, April 1982, Elsevier

    Dr Helmut Sies

  498. Metabolism of Organic Hydroperoxides

    Article • January 1982, Elsevier

    Dr Helmut Sies

  499. Se and Non-Se Glutathione Peroxidases: Enzymology and Cell Physiology

    Article • January 1982, Elsevier

    Dr Helmut Sies

  500. Toxic drug effects associated with oxygen metabolism: Redox cycling and lipid peroxidation

    Article • Cellular and Molecular Life Sciences, December 1981, Springer Science + Business Media

    Dr Helmut Sies

  501. Low-Level Chemiluminescence of Isolated Hepatocytes

    Article • European Journal of Biochemistry, October 1981, Wiley

    Dr Helmut Sies

  502. Ethane production of isolated perfused rat liver

    Article • FEBS Letters, April 1981, Wiley

    Dr Helmut Sies

  503. [3] Measurement of hydrogen peroxide formation in Situ

    Article • January 1981, Elsevier

    Dr Helmut Sies

  504. [48] Assay of glutathione, glutathione disulfide, and glutathione mixed disulfides in biological samples

    Article • January 1981, Elsevier

    Dr Helmut Sies

  505. [8] Chemical depletion of glutathione in vivo

    Article • January 1981, Elsevier

    Dr Helmut Sies

  506. From enzymology in vitro to physiological chemistry in vivo

    Article • Trends in Biochemical Sciences, July 1980, Elsevier

    Dr Helmut Sies

  507. Otto Warburg

    Article • Trends in Biochemical Sciences, June 1980, Elsevier

    Dr Helmut Sies

  508. Functions of intracellular glutathione in hepatic hydroperoxide and drug metabolism and the role of extracellular glutathione

    Article • Advances in Enzyme Regulation, January 1980, Elsevier

    Dr Helmut Sies

  509. Increased Biliary Glutathione Disulfide (GSSG) Release in Chronically Ethanol-Treated Rats

    Article • January 1980, Springer Science + Business Media

    Dr Helmut Sies

  510. The Role of pH and the Lack of a Requirement for Hydrogencarbonate in the Regulation of Hepatic Glutamine Metabolism

    Article • Hoppe-Seyler´s Zeitschrift für physiologische Chemie, January 1980, De Gruyter

    Dr Helmut Sies

  511. Assessment of the kidney function in maintenance of plasma glutathione concentration and redox state in anaesthetized rats

    Article • FEBS Letters, December 1979, Wiley

    Dr Helmut Sies

  512. Hepatic Glutamine Metabolism under the Influence of the Portal Ammonia Concentration in the Perfused Rat Liver

    Article • European Journal of Biochemistry, November 1979, Wiley

    Dr Helmut Sies

  513. Enzymatic measurement of adenine and guanine(plus inosine) triphosphates and diphosphates in isolated cells and the mitochondrial matrix compartment obtained from rat liver

    Article • FEBS Letters, September 1979, Wiley

    Dr Helmut Sies

  514. Increased biliary glutathione disulfide release in chronically ethanol-treated rats

    Article • FEBS Letters, July 1979, Wiley

    Dr Helmut Sies

  515. Methionine and thyroid hormone effects on 14 CO2 exhalation from [dimethylamino -14 C]aminopyrine in intact phenobarbital-pretreated rats

    Article • FEBS Letters, July 1979, Wiley

    Dr Helmut Sies

  516. Glutathione S-Conjugate Formation from 1-Chloro-2,4-dinitrobenzene and Biliary S-Conjugate Excretion in the Perfused Rat Liver

    Article • European Journal of Biochemistry, June 1979, Wiley

    Dr Helmut Sies

  517. Microbodies/Peroxisomen pflanzlicher Zellen Morphologie, Biochemie, Funktion und Entwicklung eines Zellorganells. With an English Assessment

    Article • FEBS Letters, January 1979, Wiley

    Dr Helmut Sies

  518. Hepatic mitochondrial and cytosolic glutathione content and the subcellular distribution of GSH-S -transferases

    Article • FEBS Letters, January 1979, Wiley

    Dr Helmut Sies

  519. The Disposition of Formaldehyde and Formate Arising from Drug N-Demethylations Dependent on Cytochrome P-450 in Hepatocytes and in Perfused Rat Liver

    Article • European Journal of Biochemistry, August 1978, Wiley

    Dr Helmut Sies

  520. Glutathione Efflux from Perfused Rat Liver after Phenobarbital Treatment, during Drug Oxidations, and in Selenium Deficiency

    Article • European Journal of Biochemistry, August 1978, Wiley

    Dr Helmut Sies

  521. A Role of Mitochondrial Glutathione Peroxidase in Modulating Mitochondrial Oxidations in Liver

    Article • European Journal of Biochemistry, March 1978, Wiley

    Dr Helmut Sies

  522. Reduced and oxidized glutathione efflux from liver

    Article • FEBS Letters, February 1978, Wiley

    Dr Helmut Sies

  523. Effect of oxygen concentration on the reaction of halothane with cytochrome P450 in liver microsomes and isolated perfused rat liver

    Article • Biochemical Pharmacology, February 1978, Elsevier

    Dr Helmut Sies

  524. Functions of Glutathione in Liver and Kidney

    Article • January 1978, Springer Science + Business Media

    Dr Helmut Sies

  525. A New Organ Spectrophotometer for Sensitive Dual-Wavelength Absorbance Measurement and Spectral Scanning of Intact Perfused Organs

    Article • Biological Chemistry, January 1978, De Gruyter

    Dr Helmut Sies

  526. ORGAN SPECTROPHOTOMETRY OF CYTOCHROME P-450 AND OF CATALASE LIGAND COMPLEXES IN INTACT PERFUSED LIVER

    Article • January 1978, Elsevier

    Dr Helmut Sies

  527. Organ Absorbance and Fluorescence Spectrophotometry and its Application to Oxygen-Dependent Parameters

    Article • January 1978, Springer Science + Business Media

    Dr Helmut Sies

  528. [3] The use of perfusion of liver and other organs for the study of microsomal electron-transport and cytochrome P-450 systems

    Article • January 1978, Elsevier

    Dr Helmut Sies

  529. Cytochrome Oxidase and Urate Oxidase as Intracellular O2 Indicators in Studies of O2 Gradients During Hypoxia in Liver

    Article • January 1978, Springer Science + Business Media

    Dr Helmut Sies

  530. Drug Oxidations Dependent on Cytochrome P-450 in Isolated Hepatocytes. The Role of the Tricarboxylates and the Aminotransferases in NADPH Supply

    Article • European Journal of Biochemistry, July 1977, Wiley

    Dr Helmut Sies

  531. REDOX COMPARTMENTATION; A SURVEY WITH EMPHASIS ON CURRENT PROBLEMS

    Article • January 1977, Elsevier

    Dr Helmut Sies

  532. NICOTINAMIDE NUCLEOTIDE SYSTEMS AND DRUG OXIDATION IN THE LIVER CELL

    Article • January 1977, Elsevier

    Dr Helmut Sies

  533. Peroxisomal Enzymes and Oxygen Metabolism in Liver

    Article • January 1977, Springer Science + Business Media

    Dr Helmut Sies

  534. Oxygen Gradients During Hypoxie Steady States in Liver. Urate Oxidase and Cytochrome Oxidase as Intracellular O2Indicators

    Article • Hoppe-Seyler´s Zeitschrift für physiologische Chemie, January 1977, De Gruyter

    Dr Helmut Sies

  535. Mitochondrial and Cytosolic NADPH Systems and Isocitrate Dehydrogenase Indicator Metabolites during Ureogenesis from Ammonia in Isolated Rat Hepatocytes

    Article • European Journal of Biochemistry, January 1977, Wiley

    Dr Helmut Sies

  536. The effect of tris(2-chloroethyl)amine on human hemoglobin

    Article • Naunyn-Schmiedeberg s Archives of Pharmacology, August 1976, Springer Science + Business Media

    Dr Helmut Sies

  537. Hydroperoxide-Metabolizing Systems in Rat Liver

    Article • European Journal of Biochemistry, September 1975, Wiley

    Dr Helmut Sies

  538. Oxidation of Cytochrome b5 by Hydroperoxides in Rat Liver

    Article • European Journal of Biochemistry, September 1975, Wiley

    Dr Helmut Sies

  539. A process requiring mitochondrial NADPH: Urea formation from ammonia

    Article • FEBS Letters, June 1975, Wiley

    Dr Helmut Sies

  540. Activation of Pyruvate Dehydrogenase during Metabolism of Ammonium Ions in Hemoglobin-Free Perfused Rat Liver

    Article • European Journal of Biochemistry, April 1975, Wiley

    Dr Helmut Sies

  541. Biochemie des Peroxysoms in der Leberzelle

    Article • Angewandte Chemie, November 1974, Wiley

    Dr Helmut Sies

  542. Biochemistry of the Peroxisome in the Liver Cell

    Article • Angewandte Chemie International Edition in English, November 1974, Wiley

    Dr Helmut Sies

  543. Mitochondrial Nicotinamide Nucleotide Systems: Ammonium Chloride Responses and Associated Metabolic Transitions in Hemoglobin-Free Perfused Rat Liver

    Article • Hoppe-Seyler´s Zeitschrift für physiologische Chemie, January 1974, De Gruyter

    Dr Helmut Sies

  544. The properties of the secondary catalase—peroxide complex (Compound II) in the hemoglobin-free perfused rat liver

    Article • Archives of Biochemistry and Biophysics, December 1973, Elsevier

    Dr Helmut Sies

  545. Carbon-Dioxide Concentration and the Distribution of Monocarboxylate and H+ Ions between Intracellular and Extracellular Spaces of Hemoglobin-Free Perfused Rat Liver

    Article • European Journal of Biochemistry, October 1973, Wiley

    Dr Helmut Sies

  546. Heme occupancy of catalase in hemoglobin-free perfused rat liver and of isolated rat liver catalase

    Article • Archives of Biochemistry and Biophysics, January 1973, Elsevier

    Dr Helmut Sies

  547. The role of H2O2 generation in perfused rat liver and the reaction of catalase compound I and hydrogen donors

    Article • Archives of Biochemistry and Biophysics, January 1973, Elsevier

    Dr Helmut Sies

  548. Oxidation in the NADP system and release of GSSG from hemoglobin-free perfused rat liver during peroxidatic oxidation of glutathione by hydroperoxides

    Article • FEBS Letters, October 1972, Wiley

    Dr Helmut Sies

  549. Proton movement accompanying monocarboxylate permeation in hemoglobin-free perfused rat liver

    Article • FEBS Letters, May 1972, Wiley

    Dr Helmut Sies

  550. State of Oxidation-Reduction and State of Binding in the Cytosolic NADH-System as Disclosed by Equilibration with Extracellular Lactate/Pyruvate in Hemoglobin-Free Perfused Rat Liver

    Article • European Journal of Biochemistry, May 1972, Wiley

    Dr Helmut Sies

  551. CONTROL OF MITOCHONDRIAL ACTIVITY BY METABOLITES IN THE HEMOGLOBIN-FREE PERFUSED LIVER

    Article • January 1972, Elsevier

    Dr Helmut Sies

  552. Direct measurement of the state of the lactate dehydrogenase system in hemoglobin-free perfused rat liver

    Article • Advances in Enzyme Regulation, January 1972, Elsevier

    Dr Helmut Sies

  553. The state of NADPH/NADP+ during mixed-function oxidation of hexobarbital in hemoglobin-free perfused rat liver

    Article • Chemico-Biological Interactions, August 1971, Elsevier

    Dr Helmut Sies

  554. The steady state level of catalase compound I in isolated hemoglobin-free perfused rat liver

    Article • FEBS Letters, December 1970, Wiley

    Dr Helmut Sies

  555. Interaction of Mixed Function Oxidase with its Substrates and Associated Redox Transitions of Cytochrome P-450 and Pyridine Nucleotides in Perfused Rat Liver

    Article • European Journal of Biochemistry, September 1970, Wiley

    Dr Helmut Sies

  556. Positive increase of redox potential of the extramitochondrial NADP(H) system by mixed function oxidations in hemoglobin-free perfused rat liver

    Article • FEBS Letters, August 1970, Wiley

    Dr Helmut Sies

  557. On the state of mitochondria in perfused liver: Action of sodium azide on respiratory carriers and respiration

    Article • FEBS Letters, December 1969, Wiley

    Dr Helmut Sies

  558. Vitamins and Polyphenols in Systemic Photoprotection

    Article • Springer Science + Business Media

    Dr Helmut Sies

  559. Dietary Flavanols: Biochemical Basis of Short-Term and Longer-Term Vascular Responses

    Article • Wiley

    Dr Helmut Sies

  560. Cellular Generation of Oxidants: Relation to Oxidative Stress

    Article • Wiley

    Dr Helmut Sies

  561. Analysis of Cellular Electron Transport Systems in Liver and Other Organs by Absorbance and Fluorescence Techniques

    Article • Wiley

    Dr Helmut Sies