All Stories

  1. An Ethnobotanical Survey and Pharmacological and Toxicity Review of Medicinal Plants Used in the Management of Obesity in the North Central Zone of Nigeria

    Article • Journal of Obesity, January 2025, Wiley

    Vanessa Steenkamp

  2. A549 Alveolar Carcinoma Spheroids as a Cytotoxicity Platform for Carboxyl‐ and Amine‐Polyethylene Glycol Gold Nanoparticles

    Article • Pharmacology Research & Perspectives, December 2024, Wiley

    Vanessa Steenkamp

  3. Evaluating Blood–Brain Barrier Permeability, Cytotoxicity, and Activity of Potential Acetylcholinesterase Inhibitors: In Vitro and In Silico Study

    Article • Pharmacology Research & Perspectives, December 2024, Wiley

    Vanessa Steenkamp

  4. Cytostatic and cytotoxic effects of a hot water and methanol extract of Acokanthera oppositifolia in HepG2 hepatocarcinoma cells

    Article • Journal of Ethnopharmacology, October 2023, Elsevier

    Vanessa Steenkamp

  5. Comparative Evaluation of the Cytotoxicity of Doxorubicin in BT-20 Triple-Negative Breast Carcinoma Monolayer and Spheroid Cultures

    Article • Biomedicines, May 2023, MDPI AG

    Vanessa Steenkamp

  6. Highlights of basic and clinical pharmacology from Africa

    Article • Pharmacology Research & Perspectives, February 2023, Wiley

    Vanessa Steenkamp

  7. Utility of Therapeutic Drug Monitoring in Identifying Clinically Significant Interactions Between St. John's Wort and Prescription Drugs

    Article • Therapeutic Drug Monitoring, February 2023, Wolters Kluwer Health

    Vanessa Steenkamp

  8. The VEGF/VEGFR Axis Revisited: Implications for Cancer Therapy

    Article • International Journal of Molecular Sciences, December 2022, MDPI AG

    Vanessa Steenkamp

  9. Mechanisms facilitating the uptake of carboxyl–polythene glycol-functionalized gold nanoparticles into multicellular spheroids

    Article • Journal of Pharmacy and Pharmacology, April 2022, Oxford University Press (OUP)

    Vanessa Steenkamp

  10. Design of Oleanolic Acid-based Hybrid Compounds as Potential Pharmaceutical Scaffolds

    Article • Letters in Drug Design & Discovery, February 2022, Bentham Science Publishers

    Vuyolwethu Khwaza, Nasifu Kerebba, Prof Blessing Aderibigbe, Vanessa Steenkamp

  11. Isolation and antioxidant activity of 5-methyldihydroflavasperone from ethanol leaf extract of Guiera senegalensis JF Gmel

    Article • Journal of Medicinal Plants for Economic Development, February 2022, AOSIS Open Journals

    Vanessa Steenkamp, Ewura Yahaya

  12. Synthesis, Antibacterial, and Cytotoxicity Evaluation of Oleanolic Acid-4-aminoquinoline Based Hybrid Compounds

    Article • Recent Advances in Anti-Infective Drug Discovery, August 2021, Bentham Science Publishers

    Vanessa Steenkamp, Vuyolwethu Khwaza, Nasifu Kerebba

  13. A Brief Updated Review of Advances to Enhance Resveratrol’s Bioavailability

    Article • Molecules, July 2021, MDPI AG

    Vanessa Steenkamp

  14. Zinc oxide nanoparticles induce oxidative stress and histopathological toxicity in the thyroid gland and liver of rats

    Article • Toxicological and Environmental Chemistry, April 2021, Taylor & Francis

    Vanessa Steenkamp

  15. Protective effect of Erythrina senegalensis sequential extracts against oxidative stress in SC-1 fibroblasts and THP-1 macrophages

    Article • Journal of Pharmacy & Pharmacognosy Research, January 2020, Garval Editorial Ltda.

    Vanessa Steenkamp, Ewura Yahaya

  16. Novel N-benzylpiperidine carboxamide derivatives as potential cholinesterase inhibitors for the treatment of Alzheimer's disease

    Article • European Journal of Medicinal Chemistry, October 2019, Elsevier

    Vanessa Steenkamp

  17. Physicochemical and in vitro cytotoxicity evaluation of polymeric drugs for combination cancer therapy

    Article • International Journal of Polymeric Materials, September 2019, Taylor & Francis

    Prof Blessing Aderibigbe, Vanessa Steenkamp, Professor Suprakas Sinha Ray, Mohammed Balogun

  18. Synthesis and biological evaluation of 2-chloro-3-[(thiazol-2-yl)amino]-1,4-naphthoquinones

    Article • Bioorganic & Medicinal Chemistry Letters, July 2019, Elsevier

    Vanessa Steenkamp

  19. Drugged driving in South Africa: An urgent need for review and reform

    Article • South African Crime Quarterly, May 2019, Academy of Science of South Africa

    Vanessa Steenkamp

  20. Drugged driving in South Africa: An urgent need for review and reform

    Article • South African Crime Quarterly, May 2019, Academy of Science of South Africa

    Vanessa Steenkamp

  21. Natural Products and/or Isolated Compounds on Wound Healing

    Article • Evidence-based Complementary and Alternative Medicine, May 2019, Hindawi Publishing Corporation

    Vanessa Steenkamp

  22. Herbal remedies used in wound healing

    Article • Evidence-based Complementary and Alternative Medicine, November 2018, Hindawi Publishing Corporation

    Mary Gulumian, Vanessa Steenkamp, Ewura Yahaya

  23. Bioavailability of resveratrol: Possibilities for enhancement

    Article • Journal of Herbal Medicine, March 2018, Elsevier

    Vanessa Steenkamp

  24. Beneficial anti oxidant effects of folic acid in methomyl toxicity

    Article • Toxicology Research, January 2018, Oxford University Press (OUP)

    Samar Sakr, Vanessa Steenkamp

  25. Bulb extracts of Boophone disticha induce hepatotoxicity by perturbing growth, without significantly impacting cellular viability

    Article • South African Journal of Botany, January 2018, Elsevier

    Vanessa Steenkamp

  26. Attenuation of oxidative stress and artificial wound closure in C2C12 myoblasts induced by sequential extracts of Boerhavia diffusa

    Article • Journal of Pharmacy and Pharmacology, October 2017, Wiley

    Vanessa Steenkamp, Ewura Yahaya

  27. Extracts of Terminalia sericea Enhance Cell Migratory Activity of Endothelial Hybrid and Fibroblast Cells In Vitro

    Article • Planta Medica, August 2017, Thieme Publishing Group

    Vanessa Steenkamp

  28. Targeting Alzheimer's disease by investigating previously unexplored chemical space surrounding the cholinesterase inhibitor donepezil

    Article • European Journal of Medicinal Chemistry, February 2017, Elsevier

    Vanessa Steenkamp

  29. Fatalities involving illicit drug use in Pretoria, South Africa, for the period 2003 - 2012

    Article • South African Medical Journal, September 2016, Health and Medical Publishing Group

    Vanessa Steenkamp

  30. Application of a LC–MS/MS method developed for the determination of p‐phenylenediamine, N‐acetyl‐p‐phenylenediamine and N,N‐diacetyl‐p‐phenylenediamine in human urine specimens

    Article • Biomedical Chromatography, July 2016, Wiley

    Vanessa Steenkamp

  31. Standardization of cassava Mahewu fermentation and assessment of the effects of iron sources used for fortification

    Article • June 2016, African Journal of Food, Agriculture, Nutrition and Development

    Vanessa Steenkamp

  32. Development and validation of an LC–MS/MS method for determination of p-phenylenediamine and its metabolites in blood samples

    Article • Journal of Chromatography B, August 2015, Elsevier

    Vanessa Steenkamp

  33. Medicinal plants and their derivatives with amyloid beta inhibitory activity as potential targets for drug discovery

    Article • Asian Pacific Journal of Tropical Disease, June 2015, Elsevier

    Vanessa Steenkamp

  34. Herbal use for certain medical conditions in South Africa

    Article • South African Family Practice, January 2015, AOSIS Open Journals

    Dr Andre Marais, Vanessa Steenkamp

  35. The effects of the natural enzyme, Pectinex Ultra SP-L, on human cell cultures and bacterial biofilms in vitro

    Article • BMC Microbiology, October 2014, Springer Science + Business Media

    Vanessa Steenkamp

  36. In vitro neuroprotective potential of four medicinal plants against rotenone-induced toxicity in SH-SY5Y neuroblastoma cells

    Article • BMC Complementary and Alternative Medicine, December 2013, Springer Science + Business Media

    Vanessa Steenkamp

  37. In vitro determination of the anti-aging potential of four southern African medicinal plants

    Article • BMC Complementary and Alternative Medicine, November 2013, Springer Science + Business Media

    Vanessa Steenkamp

  38. Attenuation of oxidative stress in U937 cells by polyphenolic-rich bark fractions of Burkea africana and Syzygium cordatum

    Article • BMC Complementary and Alternative Medicine, May 2013, Springer Science + Business Media

    Vanessa Steenkamp

  39. In vitro effect of N-acetylcysteine on hepatocyte injury caused by dichlorodiphenyltrichloroethane and its metabolites

    Article • Human & Experimental Toxicology, April 2013, SAGE Publications

    Vanessa Steenkamp

  40. Comparative Toxicity of Pentachlorophenol with its Metabolites tetrachloro-1,2-hydroquinone and Tetrachloro-1,4-benzoquinone in HepG2 Cells

    Article • The Open Toxicology Journal, October 2012, Bentham Science Publishers

    Vanessa Steenkamp

  41. Cytotoxicity and acetylcholinesterase inhibitory activity of an isolated crinine alkaloid from Boophane disticha (Amaryllidaceae)

    Article • Journal of Ethnopharmacology, September 2012, Elsevier

    Vanessa Steenkamp

  42. Effect of an alkaloidal fraction of Tabernaemontana elegans (Stapf.) on selected micro-organisms

    Article • Journal of Ethnopharmacology, March 2012, Elsevier

    Vanessa Steenkamp

  43. Herbal remedies affecting coagulation: A review

    Article • Pharmaceutical Biology, December 2011, Taylor & Francis

    Vanessa Steenkamp

  44. In vitro screening for acetylcholinesterase inhibition and antioxidant activity of medicinal plants from southern Africa

    Article • Asian Pacific Journal of Tropical Medicine, October 2011, Medknow

    Vanessa Steenkamp

  45. Antioxidant and acetylcholinesterase inhibitory activity of selected southern African medicinal plants

    Article • South African Journal of Botany, August 2011, Elsevier

    Vanessa Steenkamp

  46. Drug interactions in African herbal remedies

    Article • Drug Metabolism and Drug Interactions, July 2011, De Gruyter

    Vanessa Steenkamp

  47. Effects of selected South African plant extracts on haemolysis and coagulation

    Article • Human & Experimental Toxicology, February 2011, SAGE Publications

    Vanessa Steenkamp

  48. Use of Yokukansan (TJ‐54) in the treatment of neurological disorders: a review

    Article • Phytotherapy Research, August 2010, Wiley

    Vanessa Steenkamp

  49. Toxicity Testing of Two Medicinal Plants, Bridelia micrantha and Antidesma venosum

    Article • The Open Toxicology Journal, April 2009, Bentham Science Publishers

    Vanessa Steenkamp

  50. In-vitro bioactivity of Venda medicinal plants used in the treatment of respiratory conditions

    Article • Human & Experimental Toxicology, November 2008, SAGE Publications

    Vanessa Steenkamp

  51. The ability of Warburgia salutaris extracts to protect against crystalline silica-induced cell injury

    Article • Human & Experimental Toxicology, November 2008, SAGE Publications

    Vanessa Steenkamp

  52. Antibacterial activity of Venda medicinal plants

    Article • Fitoterapia, December 2007, Elsevier

    Vanessa Steenkamp

  53. Senecio latifolius induces in vitro hepatocytotoxicity in a human cell lineThis article is one of a selection of papers published in this special issue (part 2 of 2) on the Safety and Efficacy of Natural Health Products.

    Article • Canadian Journal of Physiology and Pharmacology, November 2007, Canadian Science Publishing

    Vanessa Steenkamp

  54. Screening of Venda medicinal plants for antifungal activity against Candida albicans

    Article • South African Journal of Botany, April 2007, Elsevier

    Vanessa Steenkamp

  55. Evaluation of Athrixia bush tea for cytotoxicity, antioxidant activity, caffeine content and presence of pyrrolizidine alkaloids

    Article • Journal of Ethnopharmacology, March 2007, Elsevier

    Vanessa Steenkamp

  56. Medicinal Applications and Toxicological Activities ofAloe. Products

    Article • Pharmaceutical Biology, January 2007, Taylor & Francis

    Vanessa Steenkamp

  57. Cytotoxicity of six South African medicinal plant extracts used in the treatment of cancer

    Article • South African Journal of Botany, November 2006, Elsevier

    Vanessa Steenkamp

  58. Studies on antibacterial, anti-inflammatory and antioxidant activity of herbal remedies used in the treatment of benign prostatic hyperplasia and prostatitis

    Article • Journal of Ethnopharmacology, January 2006, Elsevier

    Vanessa Steenkamp

  59. URANIUM CONCENTRATIONS IN SOUTH AFRICAN HERBAL REMEDIES

    Article • Health Physics, December 2005, Wolters Kluwer Health

    Vanessa Steenkamp

  60. Nephrotoxicity Associated With Exposure to Plant Toxins, With Particular Reference to Africa

    Article • Therapeutic Drug Monitoring, June 2005, Wolters Kluwer Health

    Vanessa Steenkamp

  61. Antioxidant and genotoxic properties of South African herbal extracts

    Article • Mutation Research/Genetic Toxicology and Environmental Mutagenesis, March 2005, Elsevier

    Vanessa Steenkamp

  62. GC/MS identification of toxic pyrrolizidine alkaloids in traditional remedies given to two sets of twins

    Article • Annals of Clinical Biochemistry International Journal of Laboratory Medicine, March 2005, SAGE Publications

    Vanessa Steenkamp

  63. Adulteration of South African Traditional Herbal Remedies

    Article • Therapeutic Drug Monitoring, February 2005, Wolters Kluwer Health

    Vanessa Steenkamp

  64. Acute Renal Failure Associated with the Use of Traditional Folk Remedies in South Africa

    Article • Renal Failure, January 2005, Taylor & Francis

    Vanessa Steenkamp

  65. Studies on antibacterial, antioxidant and fibroblast growth stimulation of wound healing remedies from South Africa

    Article • Journal of Ethnopharmacology, December 2004, Elsevier

    Vanessa Steenkamp

  66. Antioxidant scavenging potential of South African export herbal teas

    Article • South African Journal of Botany, October 2004, Elsevier

    Vanessa Steenkamp

  67. CNS effects after muti ingestion: what is the cause?

    Article • Forensic Science International, January 2004, Elsevier

    Vanessa Steenkamp

  68. Phytomedicines for the prostate

    Article • Fitoterapia, September 2003, Elsevier

    Vanessa Steenkamp

  69. Traditional herbal remedies used by South African women for gynaecological complaints

    Article • Journal of Ethnopharmacology, May 2003, Elsevier

    Vanessa Steenkamp

  70. Death Due to Use of Traditional Medicines in Africa: A Preventable Cause of Neonatal and Infant Mortality

    Article • Journal of Pediatric Gastroenterology and Nutrition, February 2003, Wiley

    Vanessa Steenkamp

  71. The cytotoxic effects of a traditional Zulu remedy, impila (Callilepis laureola)

    Article • Human & Experimental Toxicology, December 2002, SAGE Publications

    Vanessa Steenkamp

  72. Structural characterization of chromone C‐glucosides in a toxic herbal remedy

    Article • Rapid Communications in Mass Spectrometry, November 2002, Wiley

    Vanessa Steenkamp

  73. Hepatic veno-occlusive disease as a result of a traditional remedy: confirmation of toxic pyrrolizidine alkaloids as the cause, using an in vitro technique

    Article • Journal of Clinical Pathology, September 2002, BMJ

    Vanessa Steenkamp

  74. A severe case of multiple metal poisoning in a child treated with a traditional medicine

    Article • Forensic Science International, August 2002, Elsevier

    Vanessa Steenkamp

  75. A fatal case of pepper poisoning

    Article • Forensic Science International, December 2001, Elsevier

    Vanessa Steenkamp

  76. Gas chromatographic–mass spectrometric confirmation of atractyloside in a patient poisoned with Callilepis laureola

    Article • Journal of Chromatography B Biomedical Sciences and Applications, December 2001, Elsevier

    Vanessa Steenkamp

  77. Pyrrolizidine Poisoning: A Neglected Area in Human Toxicology

    Article • Therapeutic Drug Monitoring, December 2001, Wolters Kluwer Health

    Vanessa Steenkamp

  78. The effect of Senecio latifolius a plant used as a South African traditional medicine, on a human hepatoma cell line

    Article • Journal of Ethnopharmacology, November 2001, Elsevier

    Vanessa Steenkamp

  79. Letters to the Editor

    Article • Annals of Clinical Biochemistry International Journal of Laboratory Medicine, November 2001, SAGE Publications

    Vanessa Steenkamp

  80. The toxicity of Callilepis laureola, a South African traditional herbal medicine

    Article • Clinical Biochemistry, May 2001, Elsevier

    Vanessa Steenkamp

  81. The Biochemistry and Toxicity of Atractyloside: A Review

    Article • Therapeutic Drug Monitoring, December 2000, Wolters Kluwer Health

    Vanessa Steenkamp

  82. Metal concentrations in plants and urine from patients treated with traditional remedies

    Article • Forensic Science International, November 2000, Elsevier

    Vanessa Steenkamp

  83. Clinical and Analytical Aspects of Pyrrolizidine Poisoning Caused by South African Traditional Medicines

    Article • Therapeutic Drug Monitoring, June 2000, Wolters Kluwer Health

    Vanessa Steenkamp

  84. Detection of poisoning by Impila (Callilepis laureola) in a mother and child

    Article • Human & Experimental Toxicology, October 1999, SAGE Publications

    Vanessa Steenkamp

  85. The Toxicology of African Herbal Remedies

    Article • Therapeutic Drug Monitoring, October 1998, Wolters Kluwer Health

    Vanessa Steenkamp

  86. Purification and characterization of progesterone-binding globulin in the pregnant Cape porcupine, Hystrix africaeaustralis

    Article • Comparative Biochemistry and Physiology Part C Pharmacology Toxicology and Endocrinology, June 1995, Elsevier

    Vanessa Steenkamp

  87. Concentrations of plasma total and unbound progesterone and testosterone during pregnancy in Cape porcupines, Hystrix africaeaustralis

    Article • Comparative Biochemistry and Physiology Part A Physiology, June 1994, Elsevier

    Vanessa Steenkamp

  88. Sex-specific androgen binding in spotted hyaena (Crocuta crocuta) plasma

    Article • Comparative Biochemistry and Physiology Part A Physiology, October 1992, Elsevier

    Vanessa Steenkamp

  89. Properties of proteins binding plasma progesterone in pregnant Cape porcupines (Hystrix africaeaustralis)

    Article • Reproduction, September 1992, Bioscientifica

    Vanessa Steenkamp

  90. Reproductive inhibition in the Cape porcupine, Hystrix africaeaustralis

    Article • Reproduction, May 1991, Bioscientifica

    Vanessa Steenkamp