All Stories

  1. Global spatio-temporal dynamics of Paeonia lactiflora: A dual-track framework linking natural distribution, production zones, and geo-authentic regions

    Article • Industrial Crops and Products, October 2026, Elsevier

    Vanessa Steenkamp

  2. Neuroprotective and antioxidant properties of Polygala virgata fractions in a 6-hydroxydopamine-induced neurotoxicity model

    Article • Journal of Ethnopharmacology, May 2026, Elsevier

    Vanessa Steenkamp

  3. Antiproliferative Effects of Cannabinoids and Cisplatin in Cervical Cancer Cells

    Article • Cancer Reports, April 2026, Wiley

    Vanessa Steenkamp

  4. Catha edulis and Datura stramonium mitigate oxidative stress, mitochondrial dysfunction, and cell death in an SH-SY5Y model of Parkinson's disease

    Article • Journal of Ethnopharmacology, April 2026, Elsevier

    Vanessa Steenkamp

  5. Insulin pens are a necessity, not a luxury: Addressing inequitable access to diabetes treatment in South Africa’s public sector

    Article • South African Medical Journal, March 2026, Health and Medical Publishing Group

    Vanessa Steenkamp

  6. Cytotoxicity Potency of Cannabinoids Is by Serum Supplementation: Implications for In Vitro Cancer Studies

    Article • Cancer Reports, March 2026, Wiley

    Vanessa Steenkamp

  7. Herbal Remedies in Global Health Care: Classification, Toxicology, and Clinical Management

    Article • Therapeutic Drug Monitoring, December 2025, Wolters Kluwer Health

    Vanessa Steenkamp

  8. Advancing cervical cancer treatment: integrating cannabinoids, combination therapies and nanotechnology

    Article • Journal of Cancer Research and Clinical Oncology, October 2025, Springer Science + Business Media

    Vanessa Steenkamp

  9. Vascular Endothelial Growth Factor Receptors in the Vascularization of Pancreatic Tumors: Implications for Prognosis and Therapy

    Article • Current Issues in Molecular Biology, March 2025, MDPI AG

    Vanessa Steenkamp

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

  15. Highlights of basic and clinical pharmacology from Africa

    Article • Pharmacology Research & Perspectives, February 2023, Wiley

    Vanessa Steenkamp

  16. 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

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

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

    Vanessa Steenkamp

  18. 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

  19. 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

  20. 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

  21. 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

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

    Article • Molecules, July 2021, MDPI AG

    Vanessa Steenkamp

  23. 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

  24. 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

  25. 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

  26. 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

  27. 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

  28. 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

  29. 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

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

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

    Vanessa Steenkamp

  31. Herbal remedies used in wound healing

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

    Mary Gulumian, Vanessa Steenkamp, Ewura Yahaya

  32. Bioavailability of resveratrol: Possibilities for enhancement

    Article • Journal of Herbal Medicine, March 2018, Elsevier

    Vanessa Steenkamp

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

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

    Samar Sakr, Vanessa Steenkamp

  34. 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

  35. 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

  36. 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

  37. 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

  38. 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

  39. 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

  40. 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

  41. 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

  42. 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

  43. Herbal use for certain medical conditions in South Africa

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

    Dr Andre Marais, Vanessa Steenkamp

  44. 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

  45. 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

  46. 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

  47. 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

  48. 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

  49. 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

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

    Article • Journal of Ethnopharmacology, September 2012, Elsevier

    Vanessa Steenkamp

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

    Article • Journal of Ethnopharmacology, March 2012, Elsevier

    Vanessa Steenkamp

  52. Herbal remedies affecting coagulation: A review

    Article • Pharmaceutical Biology, December 2011, Taylor & Francis

    Vanessa Steenkamp

  53. 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

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

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

    Vanessa Steenkamp

  55. Drug interactions in African herbal remedies

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

    Vanessa Steenkamp

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

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

    Vanessa Steenkamp

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

    Article • Phytotherapy Research, August 2010, Wiley

    Vanessa Steenkamp

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

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

    Vanessa Steenkamp

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

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

    Vanessa Steenkamp

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

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

    Vanessa Steenkamp

  61. Antibacterial activity of Venda medicinal plants

    Article • Fitoterapia, December 2007, Elsevier

    Vanessa Steenkamp

  62. 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

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

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

    Vanessa Steenkamp

  64. 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

  65. Medicinal Applications and Toxicological Activities ofAloe. Products

    Article • Pharmaceutical Biology, January 2007, Taylor & Francis

    Vanessa Steenkamp

  66. 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

  67. 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

  68. URANIUM CONCENTRATIONS IN SOUTH AFRICAN HERBAL REMEDIES

    Article • Health Physics, December 2005, Wolters Kluwer Health

    Vanessa Steenkamp

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

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

    Vanessa Steenkamp

  70. Antioxidant and genotoxic properties of South African herbal extracts

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

    Vanessa Steenkamp

  71. 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

  72. Adulteration of South African Traditional Herbal Remedies

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

    Vanessa Steenkamp

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

    Article • Renal Failure, January 2005, Taylor & Francis

    Vanessa Steenkamp

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

    Article • Journal of Ethnopharmacology, December 2004, Elsevier

    Vanessa Steenkamp

  75. Antioxidant scavenging potential of South African export herbal teas

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

    Vanessa Steenkamp

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

    Article • Forensic Science International, January 2004, Elsevier

    Vanessa Steenkamp

  77. Phytomedicines for the prostate

    Article • Fitoterapia, September 2003, Elsevier

    Vanessa Steenkamp

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

    Article • Journal of Ethnopharmacology, May 2003, Elsevier

    Vanessa Steenkamp

  79. 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

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

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

    Vanessa Steenkamp

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

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

    Vanessa Steenkamp

  82. 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

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

    Article • Forensic Science International, August 2002, Elsevier

    Vanessa Steenkamp

  84. A fatal case of pepper poisoning

    Article • Forensic Science International, December 2001, Elsevier

    Vanessa Steenkamp

  85. 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

  86. Pyrrolizidine Poisoning: A Neglected Area in Human Toxicology

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

    Vanessa Steenkamp

  87. 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

  88. Letters to the Editor

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

    Vanessa Steenkamp

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

    Article • Clinical Biochemistry, May 2001, Elsevier

    Vanessa Steenkamp

  90. The Biochemistry and Toxicity of Atractyloside: A Review

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

    Vanessa Steenkamp

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

    Article • Forensic Science International, November 2000, Elsevier

    Vanessa Steenkamp

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

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

    Vanessa Steenkamp

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

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

    Vanessa Steenkamp

  94. The Toxicology of African Herbal Remedies

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

    Vanessa Steenkamp

  95. 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

  96. 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

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

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

    Vanessa Steenkamp

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

    Article • Reproduction, September 1992, Bioscientifica

    Vanessa Steenkamp

  99. Reproductive inhibition in the Cape porcupine, Hystrix africaeaustralis

    Article • Reproduction, May 1991, Bioscientifica

    Vanessa Steenkamp