Professor Roger Pertwee

Professor Roger Pertwee
Professor Roger Pertwee
Professor Roger Pertwee

Emeritus Professor

About
Email Address
rgp@abdn.ac.uk
Office Address

School of Medical Sciences Institute of Medical Sciences University of Aberdeen Foresterhill Aberdeen AB25 2ZD Scotland, UK

School/Department
School of Medicine, Medical Sciences and Nutrition

Biography

Roger Pertwee has three degrees from the University of Oxford: MA (in biochemistry), D.Phil. (in pharmacology) and D.Sc. (in physiological sciences). He is now an Emeritus Professor at the University of Aberdeen, where he is still actively engaged in scientific research. He is also co-chairman of the International Union of Basic and Clinical Pharmacology (IUPHAR) Subcommittee on Cannabinoid Receptors, a co-ordinator of the British Pharmacological Society’s Special Interest Group on Cannabinoids, a co-founder of the International Cannabinoid Research Society (ICRS) <http://icrs.co/> , and an invited scientific advisor on cannabinoid pharmacology/therapeutics to the Beckley Foundation <http://beckleyfoundation.org/about/advisory-boards/>, has had formal cannabinoid pharmacology-related links with several pharmaceutical companies, and currently has such a link with GW Pharmaceuticals. He has served too, twice as President of the ICRS (1997-1998 and 2007-2008), and once as Chairman of the International Association for Cannabinoid Medicines (IACM; 2005-2007), and is also currently ICRS International Secretary, and a member of the IACM Board of Directors <http://www.cannabis-med.org/index.php?tpl=page&id=74&lng=en>. He was the recipient of the 2002 Mechoulam Award “for his outstanding contributions to cannabinoid research”. He was also awarded the 2011 Wellcome Gold Medal by the British Pharmacological Society (BPS) “for outstanding contributions to pharmacology, based mainly on research achievements”, and the 2013 IACM Special Award “for his major contributions to the re-introduction of cannabis as a medicine”, and is an Honorary Fellow of the BPS: this fellowship is awarded to BPS members who have “demonstrated distinction and peer recognition in science, or have given long and valuable service to the Society”. In addition, he was identified by Thomson Reuters in 2005 to be a “Highly Cited Researcher” and hence among “the world's most cited and influential researchers”. He also received (1) a Highly Cited Researcher Award from Thomson Reuters in September 2014 “in recognition of ranking among the top 1% of researchers for most cited documents in their specific field” (see Pertwee in “Archives” at <http://hcr.stateofinnovation.thomsonreuters.com/page/archives> and from Clarivate Analytics in 2018 “in recognition of exceptional research performance demonstrated by production of multiple highly cited papers, those that rank in the top 1% by citations for field and year in Pharmacology and Toxicology” and (2) the 2018 Lifetime Achievement Award from the International Cannabinoid Research Society "for outstanding contributions to cannabinoid research and the ICRS".

Roger Pertwee presented evidence on cannabis in person at the House of Lords to the Science and Technology Committee which published its report on cannabis in 1998. He is the author of numerous review articles on the cannabinoids and is often invited to speak on the pharmacology of cannabinoids at international conferences. He is also interested in the therapeutic potential of cannabinoids. Indeed, he was a contributing author of the British Medical Association book entitled "Therapeutic Uses of Cannabis." and served on the Royal Pharmaceutical Society working party that recommended and helped to design clinical trials with cannabis and THC that were carried out in the UK and funded by the Medical Research Council. Together with Drs Rik Musty and Paul Consroe he also carried out the first large survey of multiple sclerosis patients who self-medicate with cannabis [Eur Neurol (1997) 38: 44]. His contributions to the "medicalization of cannabis" are summarized in a Witness Seminar Transcript (Vol 40), co-authored by Crowther, S.M., Reynolds, L.A. and Tansey, E.M. and published in 2010 by The Wellcome Trust Centre for the History of Medicine at UCL. This book is freely downloadable at <http://www.history.qmul.ac.uk/research/modbiomed/wellcome_witnesses/volume40/index.html>.

Roger Pertwee's research focuses on the pharmacology of cannabinoids. He began his work in this area in 1968 as a post-doc with Professor Sir William Paton at the Department of Pharmacology, Oxford University. He initially worked with cannabis and also with delta-9-tetrahydrocannabinol (THC) and cannabidiol, both of which were extracted from tincture of cannabis, then still a legal medicine in the UK. This research led to the demonstration that cannabidiol is a highly effective inhibitor of hepatic microsomal enzymes and to the development of the "ring immobility test", still widely used as a behavioural bioassay.

After moving to Aberdeen in 1974, Roger Pertwee continued with his cannabinoid research, initially investigating the basis for the hypothermic effect of THC. This work provided evidence that THC lowers the thermoregulatory set point such that animals regulate their core temperature at a lower level than normal by adjusting heat gain and heat loss both autonomically and behaviourally. In other research carried out during this time he found that cannabinoids interact synergistically with benzodiazepines and also identified the globus pallidus as one of the sites at which cannabinoids alter motor function.

Opioid research with the mouse isolated vas deferens being carried out in Professor Hans Kosterlitz's laboratory in Aberdeen gave Roger Pertwee the opportunity to establish whether this tissue would also serve as a bioassay for cannabinoids. The mouse vas deferens turned out to be an extremely sensitive quantitative assay for CB1 agonists. He presented some of the initial vas deferens data at a cannabinoid meeting in Palm Beach in 1991 and this led to a collaboration with Professor Raphael Mechoulam who was also at the meeting. As a result, using the mouse vas deferens, Roger Pertwee (with Graeme Griffin) was able to provide the first evidence that anandamide not only binds to cannabinoid receptors (Dr William Devane's data) but also activates these receptors, greatly strengthening the argument that anandamide is an endogenous cannabinoid/endocannabinoid [Science (1992) 258:1946]. Other research in his laboratory, led by Dr Angela Coutts, was directed at mapping out the distribution of cannabinoid receptors in brain and gut using immunohistochemical techniques.

His research has also played major roles in

  • the discovery that ethanolamides that are formed from dietary omega-3 polyunsaturated fatty acids and that seem to be endocannabinoids, have the capacity to inhibit cancer cell growth and proliferation;

  • the discovery of a cannabinoid CB1 receptor allosteric site;

  • the discovery that delta-9-tetrahydrocannabivarin is a plant cannabinoid (phytocannabinoid) - and that this compound is both a cannabinoid CB1 receptor blocker (antagonist) and a cannabinoid CB2 receptor activator (agonist) that has the potential to treat drug dependence, Parkinson’s disease, stroke, obesity and liver diseases, and to reduce health risks associated with liver transplantation;

  • the pharmacological characterization of other phytocannabinoids, including cannabidiol, cannabidiolic acid & cannabigerol, and the further pharmacological characterization of THCV;

  • the discovery/pharmacological characterization of novel synthetic cannabinoids many of which are widely used by cannabinoid researchers as experimental tools, e.g.

  1. methanandamide, the first CB1 receptor-selective agonist (with Dr Alexandros Makriyannis);

  2. two other CB1-selective agonists: ACEA & ACPA (with Dr Cecelia Hillard);

  3. HU-308, a CB2-selective agonist (with Dr Raphael Mechoulam);

  4. AM281, a widely-used CB1 receptor antagonist, and AM630, a widely-used CB2 receptor antagonist (with Dr Alexandros Makriyannis);

  5. CB1 receptor “neutral” antagonists;

  6. O-1057, the first water-soluble cannabinoid receptor ligand (with Drs Billy Martin and Raj Razdan);

  7. novel positive and negative allosteric modulators of the CB1 receptor (with Dr Ganesh Thakur). 

Research now being carried out in Roger Pertwee's laboratory is directed (i) at seeking out further pharmacological actions of phytocannabinoids, (ii) at elucidating the pharmacological actions of other constituents of cannabis, and (iii) at exploring the actions and therapeutic potential of novel synthetic allosteric modulators of cannabinoid receptors. This research, which is being conducted mainly using radioligand binding assays and in vitro bioassays that measure drug effects on cannabinoid receptor signalling (e.g. [35S]GTPgammaS binding assays), is currently supported by the US National Institute on Drug Abuse (part of NIH) and by GW Pharmaceuticals. He is also presently collaborating with colleagues at Aberdeen University in cannabinoid research funded by Diabetes UK and by Medical Research Scotland.

 

Research

Research Overview

Primary research interests:

·       pharmacology and therapeutic potential of plant cannabinoids

·       pharmacology of allosteric sites on cannabinoid receptors

·       novel cannabinoid CB1 and CB2 receptor ligands

·       new pharmacological targets for cannabinoids

·       roles of the endocannabinoid system in health and disease

 

Current Research

Roger Pertwee's current research is directed at seeking out pharmacological actions of phytocannabinoids, and at elucidating the pharmacological actions of other constituents of cannabis. In addition, he is currently following up a discovery made in his laboratory that there is at least one allosteric site on the cannabinoid CB1 receptor, by exploring the actions and therapeutic potential of novel synthetic allosteric modulators of cannabinoid receptors.

 

 

 

 

 

Publications

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  • Action of Delta-9-tetrahydrocannabinol on GABA(A) receptor-mediated responses in a grease-gap recording preparation of the rat hippocampal slice

    Coull, M. A., Johnston, A. T., Pertwee, R. G., Davies, S. N.
    Neuropharmacology, vol. 36, no. 10, pp. 1387-1392
    Contributions to Journals: Articles
  • The perceived effects of smoked cannabis on patients with multiple sclerosis

    Consroe, P., Musty, R., Rein, J., Tillery, W., Pertwee, R. G.
    European Journal of Neurology, vol. 38, no. 1, pp. 44-48
    Contributions to Journals: Articles
  • Agonist-antagonist characterization of 6'-cyanohex-2'-yne-Delta(8)-tetrahydrocannabinol in two isolated tissue preparations

    Pertwee, R. G., Fernando, S. R., Griffin, G., Ryan, W., Razdan, R. K., Compton, D. R., Billy R., M.
    European Journal of Pharmacology, vol. 315, no. 2, pp. 195-201
    Contributions to Journals: Articles
  • Evidence for the presence of cannabinoid CB1 receptors in mouse urinary bladder

    Pertwee, R. G., Fernando, S. R.
    British Journal of Pharmacology, vol. 118, no. 8, pp. 2053-2058
    Contributions to Journals: Articles
  • Further evidence for the presence of cannabinoid CB1 receptors in guinea-pig small intestine

    Pertwee, R. G., Fernando, S. R., Nash, J. E., Coutts, A. A.
    British Journal of Pharmacology, vol. 118, no. 8, pp. 2199-2205
    Contributions to Journals: Articles
  • Further evidence for the presence of cannabinoid CB1, receptors in mouse vas deferens

    Pertwee, R. G., JoeAdigwe, G., Hawksworth, G. M.
    European Journal of Pharmacology, vol. 296, no. 2, pp. 169-172
    Contributions to Journals: Articles
  • Pharmacological characterization of three novel cannabinoid receptor agonists in the mouse isolated vas deferens

    Pertwee, R. G., GRIFFIN, G., LAINTON, J. A. H., HUFFMAN, J. W.
    European Journal of Pharmacology, vol. 284, no. 3, pp. 241-247
    Contributions to Journals: Articles
  • EFFECT OF DELTA(9)-TETRAHYDROCANNABINOL ON CIRCLING IN RATS INDUCED BY INTRANIGRAL MUSCIMOL ADMINISTRATION

    WICKENS, A. P., Pertwee, R. G.
    European Journal of Pharmacology, vol. 282, no. 1-3, pp. 251-254
    Contributions to Journals: Comments and Debates
  • PREVENTION BY THE CANNABINOID ANTAGONIST, SR141716A, OF CANNABINOID-MEDIATED BLOCKADE OF LONG-TERM POTENTIATION IN THE RAT HIPPOCAMPAL SLICE

    Collins, D., Pertwee, R. G., Davies, S. N.
    British Journal of Pharmacology, vol. 115, no. 6, pp. 869-870
    Contributions to Journals: Articles
  • IDENTIFICATION OF AN ENDOGENOUS 2-MONOGLYCERIDE, PRESENT IN CANINE GUT, THAT BINDS TO CANNABINOID RECEPTORS

    MECHOULAM, R., BENSHABAT, S., HANUS, L., LIGUMSKY, M., KAMINSKI, N. E., SCHATZ, A. R., GOPHER, A., ALMOG, S., COMPTON, D. R., Pertwee, R. G., GRIFFIN, G., BAYEWITCH, M., BARG, J., VOGEL, Z., Martin, B. R.
    Biochemical Pharmacology, vol. 50, no. 1, pp. 83-90
    Contributions to Journals: Articles
  • AM630, a competitive cannabinoid receptor antagonist

    Pertwee, R. G., Griffin, G., Fernando, S., Li, X., Hill, A., Makriyannis, A.
    Life Sciences, vol. 56, no. 23-24, pp. 1949-1955
    Contributions to Journals: Articles
  • The design, synthesis and testing of deoxy-CBD : further evidence for a region of steric interference at the cannabinoid receptor

    Reggio, P. H., Bramblett, R. D., Yuknavich, H., Seltzman, H. H., Fleming, D. N., Fernando, S. R., Stevenson, L. A., Pertwee, R. G.
    Life Sciences, vol. 56, no. 23-24, pp. 2025-2032
    Contributions to Journals: Articles
  • Cannabinoid Receptors

    Pertwee, R. G.
    Academic Press, London, United Kingdom. 264 pages
    Books and Reports: Books
  • Pharmacological, physiological and clinical implications of the discovery of cannabinoid receptors: an overview

    Pertwee, R. G.
    Cannabinoid Receptors. Pertwee, R. G. (ed.). Academic Press, pp. 1-34
    Chapters in Books, Reports and Conference Proceedings: Chapters
  • A preliminary investigation of the mechanisms underlying cannabinoid tolerance in the mouse vas deferens

    Pertwee, R. G., Griffin, G.
    European Journal of Pharmacology, vol. 272, no. 1, pp. 67-72
    Contributions to Journals: Articles
  • Effect of phenylmethylsulfonyl fluoride on the potency of anandamide as an inhibitor of electrically-evoked contractions in 2 isolated tissue preparations

    Pertwee, R. G., Fernando, S. R., Griffin, G., Abadji, V., Makriyannis, A.
    European Journal of Pharmacology, vol. 272, no. 1, pp. 73-78
    Contributions to Journals: Articles
  • Effects of two endogenous fatty acid ethanolamides on mouse vasa deferentia

    Pertwee, R. G., Griffin, G., Hanus, L., Mechoulam, R.
    European Journal of Pharmacology, vol. 259, no. 2, pp. 115-120
    Contributions to Journals: Articles
  • (R)-Methanandamide : a chiral novel anandamide possessing higher potency and metabolic stability

    Abadji, V., Lin, S. Y., Taha, G., Griffin, G., Stevenson, L. A., Pertwee, R. G., Makriyannis, A.
    Journal of Medicinal Chemistry, vol. 37, no. 12, pp. 1889-1893
    Contributions to Journals: Comments and Debates
  • Cross-tolerance between delta-9-tetrahydrocannabinol and the cannabimimetic agents, CP-55, 940, WIN-55,212-2 and anandamide (vol 110, pg 1483, 1993)

    Pertwee, R. G., Stevenson, L. A., Griffin, G.
    British Journal of Pharmacology, vol. 111, no. 3, pp. 968-968
    Contributions to Journals: Articles
  • Effect of pretreatment with delta-9-tetrahydrocannabinol on the ability of certain cannabimimetic agents to induce hypothermia in mice

    Pertwee, R. G., Stevenson, L.
    Temperature Regulation: Recent Physiological and Pharmacological Advances. Milton, A. (ed.). Birkhäuser, pp. 177-182
    Chapters in Books, Reports and Conference Proceedings: Chapters
  • Cannabinoid receptors: pharmacology, second messenger systems and endogenous ligands

    Martin, B., Childers, S., Howlett, A., Mechoulam, R., Pertwee, R. G.
    Problems of Drug Dependence, 1993: Proceeding of the 55th Annual Scientific Meeting of the College on Problems of Drug Dependence, Inc.. Harris, L. (ed.). National Institutes of Health (NIH), pp. 55-60
    Chapters in Books, Reports and Conference Proceedings: Chapters
  • The action of synthetic cannabinoids on the induction of long-term potentiation in the rat hippocampal slice

    Collins, D., Pertwee, R. G., Davies, S. N.
    European Journal of Pharmacology, vol. 259, no. 3, pp. R7-R8
    Contributions to Journals: Comments and Debates
  • ¿9-tetrahydrocannabinol and anandamide enhance the ability of muscimol to induce catalepsy in the globus pallidus of rats

    Wickens, A. P., Pertwee, R. G.
    European Journal of Pharmacology, vol. 250, no. 1, pp. 205-208
    Contributions to Journals: Comments and Debates
  • Isolation and structure of a brain constituent that binds to the cannabinoid receptor

    Devane, W. A., Hanus, L., Breuer, A., Pertwee, R. G., Stevenson, L. A., Griffin, G., Gibson, D., Mandelbaum, A., Etinger, A., Mechoulam, R.
    Science, vol. 258, no. 5090, pp. 1946-1949
    Contributions to Journals: Articles
  • In vivo interactions between psychotropic cannabinoids and other drugs involving central and peripheral neurochemical mediators

    Pertwee, R. G.
    Marijuana/Cannabinoids: Neurobiology and Neurophysiology. Murphy, L., Bartke, A. (eds.). CRC Press, pp. 165-218
    Chapters in Books, Reports and Conference Proceedings: Chapters
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