All Stories

  1. Expression of NgR1-Antagonizing Proteins Decreases with Aging and Cognitive Decline in Rat Hippocampus

    Article • Cellular and Molecular Neurobiology, March 2013, Springer Science + Business Media

    William sonntag, Dr Willard M Freeman

  2. Increased hippocampal NgR1 signaling machinery in aged rats with deficits of spatial cognition

    Article • European Journal of Neuroscience, February 2013, Wiley

    William sonntag, Dr Willard M Freeman

  3. Whole Brain Radiation-Induced Vascular Cognitive Impairment: Mechanisms and Implications

    Article • Journal of Vascular Research, January 2013, Karger Publishers

    William sonntag

  4. Insulin-like growth factor-1 in CNS and cerebrovascular aging

    Article • Frontiers in Aging Neuroscience, January 2013, Frontiers

    William sonntag

  5. Growth hormone modulates hippocampal excitatory synaptic transmission and plasticity in old rats

    Article • Neurobiology of Aging, September 2012, Elsevier

    William sonntag

  6. Aging, Synaptic Dysfunction, and Insulin-Like Growth Factor (IGF)-1

    Article • The Journals of Gerontology Series A, April 2012, Oxford University Press (OUP)

    William sonntag

  7. Muscarinic receptor/G-protein coupling is reduced in the dorsomedial striatum of cognitively impaired aged rats

    Article • Behavioural Brain Research, February 2012, Elsevier

    William sonntag

  8. Whole Brain Radiation-Induced Impairments in Learning and Memory Are Time-Sensitive and Reversible by Systemic Hypoxia

    Article • PLoS ONE, January 2012, PLOS

    William sonntag

  9. Growth Hormone and IGF-1 Deficiency Exacerbate High-Fat Diet-Induced Endothelial Impairment in Obese Lewis Dwarf Rats: Implications for Vascular Aging

    Article • The Journals of Gerontology Series A, November 2011, Oxford University Press (OUP)

    William sonntag

  10. Quantification of oxidized levels of specific RNA species using an aldehyde reactive probe

    Article • Analytical Biochemistry, October 2011, Elsevier

    William sonntag

  11. Mitochondrial Protection by Resveratrol

    Article • Exercise and Sport Sciences Reviews, July 2011, Wolters Kluwer Health

    William sonntag

  12. Early-onset growth hormone deficiency results in diastolic dysfunction in adult-life and is prevented by growth hormone supplementation

    Article • Growth Hormone & IGF Research, April 2011, Elsevier

    William sonntag

  13. An assay for RNA oxidation induced abasic sites using the Aldehyde Reactive Probe

    Article • Free Radical Research, November 2010, Taylor & Francis

    William sonntag

  14. Aging-related kidney damage is associated with a decrease in klotho expression and an increase in superoxide production

    Article • AGE, September 2010, Springer Science + Business Media

    William sonntag

  15. Mitochondria and aging in the vascular system

    Article • Journal of Molecular Medicine, August 2010, Springer Science + Business Media

    William sonntag

  16. Impaired Bladder Function in Aging Male Rats

    Article • The Journal of Urology, July 2010, Wolters Kluwer Health

    William sonntag

  17. Effect of locally delivered IGF‐1 on nerve regeneration during aging: An experimental study in rats

    Article • Muscle & Nerve, October 2009, Wiley

    William sonntag

  18. Stability of local brain levels of insulin-like growth factor-I in two well-characterized models of decreased plasma IGF-I

    Article • Growth Factors, January 2009, Taylor & Francis

    William sonntag

  19. Regulation of Cerebrovascular Aging

    Article • April 2007, Taylor & Francis

    William sonntag

  20. 176

    Article • International Journal of Radiation Oncology*Biology*Physics, November 2006, Elsevier

    William sonntag

  21. Growth hormone and IGF-I modulate local cerebral glucose utilization and ATP levels in a model of adult-onset growth hormone deficiency

    Article • AJP Endocrinology and Metabolism, April 2006, American Physiological Society

    William sonntag

  22. Growth Hormone and Insulin-like Growth Factor-I and Their Interactions with Brain Circuits Involved in Cognitive Function

    Article • January 2006, Elsevier

    William sonntag

  23. Growth hormone administration to aged animals reduces disulfide glutathione levels in hippocampus

    Article • January 2006

    William sonntag

  24. Adult‐onset deficiency in growth hormone and insulin‐like growth factor‐I decreases survival of dentate granule neurons: Insights into the regulation of adult hippocampal neurogenesis

    Article • Journal of Neuroscience Research, December 2005, Wiley

    William sonntag

  25. Dendritic stability in a model of adult-onset IGF-I deficiency

    Article • Growth Hormone & IGF Research, October 2005, Elsevier

    William sonntag

  26. Growth hormone and insulin-like growth factor-1 (IGF-1) and their influence on cognitive aging

    Article • Ageing Research Reviews, May 2005, Elsevier

    William sonntag

  27. Microvascular plasticity in aging

    Article • Ageing Research Reviews, April 2003, Elsevier

    William sonntag

  28. Growth Hormone-Deficient Dwarf Animals Are Resistant to Dimethylbenzanthracine (DMBA)-Induced Mammary Carcinogenesis

    Article • Endocrinology, October 2002, Endocrine Society

    William sonntag

  29. A critical analysis of the role of growth hormone and IGF-1 in aging and lifespan

    Article • Trends in Genetics, June 2002, Elsevier

    William sonntag

  30. Models of Growth Hormone and IGF-1 Deficiency: Applications to Studies of Aging Processes and Life-Span Determination

    Article • The Journals of Gerontology Series A, May 2002, Oxford University Press (OUP)

    William sonntag

  31. Caloric restricted male rats demonstrate fewer synapses in layer 2 of sensorimotor cortex

    Article • Brain Research, March 2002, Elsevier

    William sonntag

  32. Age-Related Decreases in Growth Hormone and Insulin-Like Growth Factor (IGF)–1: Implications for Brain Aging

    Article • Journal of Anti-Aging Medicine, December 2001, Mary Ann Liebert Inc

    William sonntag

  33. Insulin-Like Growth Factor-1 Selectively Increases Glucose Utilization in Brains of Aged Animals

    Article • Endocrinology, January 2001, Endocrine Society

    William sonntag

  34. The effects of growth hormone and IGF-1 deficiency on cerebrovascular and brain ageing

    Article • Journal of Anatomy, November 2000, Wiley

    William sonntag

  35. The effects of growth hormone and IGF‐1 deficiency on cerebrovascular and brain ageing

    Article • Journal of Anatomy, November 2000, Wiley

    William sonntag

  36. Chronic caloric restriction alters muscle membrane fatty acid content☆

    Article • Experimental Gerontology, May 2000, Elsevier

    William sonntag

  37. Age and insulin-like growth factor-1 modulate N-methyl-D-aspartate receptor subtype expression in rats

    Article • Brain Research Bulletin, March 2000, Elsevier

    William sonntag

  38. Pleiotropic Effects of Growth Hormone and Insulin-like Growth Factor (IGF)-1 on Biological Aging: Inferences From Moderate Caloric-Restricted Animals

    Article • The Journals of Gerontology Series A, December 1999, Oxford University Press (OUP)

    William sonntag

  39. Effect of age and caloric restriction on insulin receptor binding and glucose transporter levels in aging rats

    Article • Experimental Gerontology, November 1997, Elsevier

    William sonntag

  40. Expression of insulin‐like growth factor‐1 (IGF‐1) and IGF‐binding protein 2 (IGF‐BP2) in the hippocampus following cytotoxic lesion of the dentate gyrus

    Article • The Journal of Comparative Neurology, June 1996, Wiley

    William sonntag

  41. Expression of insulin-like growth factor-1 (IGF-1) and IGF-binding protein 2 (IGF-BP2) in the hippocampus following cytotoxic lesion of the dentate gyrus

    Article • The Journal of Comparative Neurology, June 1996, Wiley

    William sonntag

  42. Growth hormone and aging: Regulation, signal transduction and replacement therapy

    Article • Trends in Endocrinology and Metabolism, May 1996, Elsevier

    William sonntag

  43. Ethanol Suppresses Growth Hormone‐Mediated Cellular Responses in Liver Slices

    Article • Alcoholism Clinical and Experimental Research, October 1995, Wiley

    William sonntag

  44. Moderate caloric restriction increases type 1 IGF receptors and protein synthesis in aging rats

    Article • Mechanisms of Ageing and Development, October 1993, Elsevier

    William sonntag

  45. Comparison of Protein Synthesis in Brain and Peripheral Tissue during Aging: Relationship to Insulin‐like Growth Factor‐1 and Type 1 IGF Receptors

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

    William sonntag

  46. Attenuation of fos-like immunoreactivity induced by a single electroconvulsive shock in brains of aging mice

    Article • Brain Research, December 1991, Elsevier

    William sonntag

  47. Influence of Age and Long-term Dietary Restriction on Plasma Insulin-like Growth Factor-1 (IGF-1), IGF-1 Gene Expression, and IGF-1 Binding Proteins

    Article • Journal of Gerontology, September 1991, Oxford University Press (OUP)

    William sonntag

  48. Distribution of Insulin-Like Growth Factor 1 (IGF-1) and 2 (IGF-2) Receptors in the Hippocampal Formation of Rats and Mice

    Article • January 1991, Springer Science + Business Media

    William sonntag

  49. Increased Pituitary Response to Somatostatin in Aging Male Rats: Relationship to Somatostatin Receptor Number and Affinity

    Article • Neuroendocrinology, January 1989, Karger Publishers

    William sonntag

  50. Chronic ethanol feeding inhibits plasma levels of insulin-like growth factor-1

    Article • Life Sciences, January 1988, Elsevier

    William sonntag

  51. Growth Hormone Releasing Hormone Induced Release of Growth Hormone in Aging Male Rats: Dependence on Pharmacological Manipulation and Endogenous Somatostatin Release

    Article • Neuroendocrinology, January 1988, Karger Publishers

    William sonntag

  52. Diminished Diurnal Secretion of Adrenocorticotropin (ACTH), But Not Corticosterone, in Old Male Rats: Possible Relation to Increased Adrenal Sensitivity to ACTHin Vivo*

    Article • Endocrinology, June 1987, Endocrine Society

    William sonntag

  53. Increased secretion of somatostatin-28 from hypothalamic neurons of aged rats in vitro

    Article • Brain Research, August 1986, Elsevier

    William sonntag

  54. Effects of ovariectomy and steroid replacement on hypothalamic lhrh content in aging female rats

    Article • Neurobiology of Aging, March 1983, Elsevier

    William sonntag

  55. Changes in Growth Hormone Secretion in Aging Rats and Man, and Possible Relation to Diminished Physiological Functions

    Article • January 1983, Springer Science + Business Media

    William sonntag

  56. Decreased Pulsatile Release of Growth Hormone in Old Male Rats*

    Article • Endocrinology, December 1980, Endocrine Society

    William sonntag

  57. Reproduction in aging normal and neonatally androgenized female rats.

    Article • Journal of Comparative and Physiological Psychology, January 1980, American Psychological Association (APA)

    William sonntag