Staff Profile:Professor Elizabeth Williamson

Responsibilities:

Prof Williamson is a registered pharmacist. She is involved with the quality control and legal status of herbal materials and is a member of the British Pharmacopoeia Commission which examines these issues. She is Chair of the Expert Advisory Group (EAG) for Herbal and Complementary Medicines, and Chair of the Veterinary Medicines Panel, which advise on quality standards for drugs produced by the pharmaceutical industry. She is Editor-in-Chief of the journal Phytotherapy Research, a Member of the Research Committee of the European Scientific Cooperative on Phytotherapy, and advisor to the International Foundation for Science in Stockholm, Sweden. She has acted as a pharmaceutical consultant to the media, for example the BBC TV series 'Grow Your Own Drugs' and 'Victorian Pharmacy'

Areas of Interest:

Many patients take food or herbal supplements, and the safety and efficacy of these products is very important. Herbal medicines are complex mixtures of phytochemicals which may interact with each other in a synergistic manner and can also affect the action of prescription medicines. Current projects include investigating the effect of natural products on mesenchymal stem cell differentiation into osteoblasts, which is relevant to bone health and mineralization (in collaboration with Dr Katrina Bicknell), and looking at how and why patients take herbal medicines, and if this practice can pose a risk to health (in collaboration with Dr Rachel Howard).

 

Research groups / Centres:
Publications:
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Full papers and reviews

The phenolic diterpene totarol inhibits multidrug efflux pump activity in Staphylococcus aureus. Smith ECJ, Kaatz GW, Seo SM, Wareham N, Williamson EM, Gibbons S (2007) Antimicrobial Agents and Chemotherapy 51(12) 4480-4483

Cannabinoids inhibit human keratinocyte proliferation through a non-CB1/CB2 mechanism, and have a potential therapeutic value in the treatment of psoriasis. Wilkinson JD, Williamson EM (2007) Journal of Dermatological Science 45 87-92

The medicinal use of essential oils and their components for treating lice and mite infestations. Williamson EM (2007) Natural Product Communications 2 (12):1303-1310

An investigation and comparison of the bioactivity of selected essential oils on human lice and house dust mites. Williamson EM, Priestley CM, Burgess IF (2007) Fitoterapia 78: 521-525

Cannabinoids stimulate fibroblastic-colony formation by bone marrow cells indirectly via CB-2 receptors. Scutt AM, Williamson EM (2007) Calcified Tissue International 80(1):50-9

Natural products as treatments for metabolic bone disorders and for maintenance of bone health. Putnam SE, Scutt AM, Bicknell K, Priestley CM, Williamson EM (2007) Phytotherapy Research 21 (2):99-112

Antibacterials and modulators of bacterial resistance from the immature cones of Chamaecyparis lawsoniana. Smith ECJ, Williamson EM, Wareham N, Kaatz GW, Gibbons S (2007) Phytochemistry 68:210-217

A pilot randomised, open-label, clinical study of two dosages of St John's wort (Hypericum perforatum L.) herb extract (LI-160) as an aid in smoking cessation. Barnes J, Barber N, Wheatley D, Williamson EM (2006) Planta Medica 72:378-382

In vitro lethality of essential oil constituents towards the human louse, Pediculus humanus, and its eggs. Priestley CM, Burgess IF, Williamson EM (2006) Fitoterapia 77:303-309

Interactions between Herbal and Conventional Medicines. Williamson EM (2005) Expert Opinion in Drug Safety 4(2):355-378

Isopimaric acid from Pinus nigra shows activity against multi-drug resistant EMRSA strains of Staphylococcus aureus. Smith ECJ, Williamson EM, Zloh M, Gibbons S. (2005) Phytotherapy Research 538-548

Differential cognitive effects of Ginkgo biloba after acute and chronic treatment in healthy young volunteers. Elsabagh S, Hartley, Ali O, Williamson EM, File SE (2005) Psychopharmacology 179:437-446

A novel component of cannabis extract potentiates synaptic transmission in rat olfactory cortex in vitro. Whalley BJ, Wilkinson JD, Williamson EM, Constanti A (2004) Neuroscience Letters 365(1):58-63

Thymol, from thyme essential oil, is a positive allosteric modulator of human GABA-A receptors and a homo-oligomeric insect GABA receptor from Drosophila melanogaster. Priestley CM, Williamson EM, Wafford KA, Sattelle DB (2003) British Journal of Pharmacology 140(8):1363-1372

Drug Interactions between Herbal and Prescription Medicines. Williamson EM (2003) Drug Safety 26(15):1073-1092

Medicinal Cannabis: is Δ9-THC responsible for all its effects? Wilkinson JD, Whalley BJ, Baker D, Pryce G, Gibbons S, Constanti A, Williamson EM (2003) J. Pharm. Pharmacol. 55(12):1687-1694

Books

Medicinal Cannabis: New Findings on Extracts and Minor Cannabinoids. Weston SE, Whalley BJ, Wilkinson JD, Williamson EM. Ch. 3 in: Recent Developments in Medicinal Plants Research. Ed Anna Capasso. Research Signpost 2008.

Alternative and Complementary Medicine, A Guide for Pharmacists. Rankin-Box D, Williamson EM; Elsevier 2006

Potter's Cyclopedia of Herbal Medicines, Williamson EM. Pub: C W Daniels, UK. 2003

Major Herbs of Ayurveda, Dabur Research Foundation; Williamson EM (Ed); Elsevier 2002

Fundamentals of Pharmacognosy and Phytotherapy Heinrich M, Barnes J, Gibbons S, Williamson EM; Elsevier 2003

E Williamson Staff Picture

Contact Details

Building:
Food Biosciences 1.02

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