John R Traynor
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About
I have studied opioids and opioid receptors for 30 years and have been continuously funded by NIDA since
1996. My work has been in the areas of structure-activity relationships, signaling and behavior. The long term
aim of these studies is to identify novel targets and medications to treat drug dependence and pain. My
training, both as a medicinal chemist and as a pharmacologist has been especially helpful and allowed me to
form a number of fruitful collaborations and have a general overview of the biology drug abuse. I completed a
4-year appointment as Director of the Substance Abuse Research Center and a 4 year term as President of
the International Narcotics Research Conference (INRC). I recently stepped down as Chair of the
Neuropharmacology Division of the American Society for Pharmacology and Experimental Therapeutics
(ASPET) and I am currently a member of the ASPET Council
Links
Edward F. Domino Research Center Traynor Lab
Qualifications
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Senior Research FellowUniversity of Leicester, Cell Physiology and Pharmacology, Leicester, United Kingdom
1993 - 1994
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Visiting Research FellowPfizer Neuroscience Research Center, Cambridge, United Kingdom
1987 - 1987
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Visiting ScientistZeneca Pharmaceuticals, Alderley Park, Cheshire, United Kingdom
1984 - 1985
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Visiting Research FellowUniversity of Aberdeen, Unit for Research on Addictive Drugs, United Kingdom
1985 - 1985
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Postdoctoral FellowMax Planck Institute of Experimental Medicine, Biochemical Pharmacology, Göttingen, Germany
1974 - 1976
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Pharmacy ResidentKing's Mill Hospital, Pharmacy, Mansfield, UK, United Kingdom
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PhDUniversity of Aston, Birmingham, UK, United Kingdom
1970 - 1973
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B.Sc. PharmacyUniversity of Aston, Birmingham, UK, United Kingdom
1967 - 1970
Center Memberships
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Center MemberOpioid Research Institute
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Center MemberEisenberg Family Depression Center
Recent Publications
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Powell AJ, Griggs NW, Iñiguez-Lluhí JA, Mosberg HI, Traynor JR. Molecular Pharmacology, 2026 Oct 1; 108 (10):Journal ArticleHigh potency μ-opioid receptor agonists engage sodium-bound receptor states
DOI:10.1016/j.molpha.2026.100152 PMID: 42759296 -
Li M, Zhang S, Powell AJ, Stewart HC, Ourlian LN, Vander Roest SR, Alt AJ, Rech JC, White AD, Traynor JR. Journal of Medicinal Chemistry, 2026 Sep 10; 69 (17): 20188 - 20200.Journal ArticleStructure–Function Analysis of the Benzyloxy Moiety of the Delta-Opioid Receptor Positive Modulator BMS-986187: Identification of a Derivative with High Selectivity for the Delta-Opioid Receptor over the Mu-Opioid Receptor In Vitro and In Vivo
DOI:10.1021/acs.jmedchem.6c00303 PMID: 42720491 -
Awad-Igbaria Y, Zhang Y, Aframian M, Faas GC, Charles A, Baca SM, Jutkiewicz E, von Mentzer B, Traynor J, Kendall D, Pradhan AA. J Headache Pain, 2026 Aug 6; 27 (1):Journal ArticlePN6047 demonstrates preclinical efficacy in headache models as a novel delta-opioid receptor agonist.
DOI:10.1186/s10194-026-02473-1 PMID: PMC13729637 -
Walicki MC, Mueller MR, Raigosa Garza N, Levitt ES, Traynor JR, Jutkiewicz EM, Birdsong WT. Behavioural Pharmacology, 2026 Aug 1; 37 (4): 139 - 149.Journal ArticleDelta opioid receptors on parvalbumin cells are necessary for the convulsant and anxiolytic effects of the delta agonist SNC80
DOI:10.1097/FBP.0000000000000882 PMID: 42213967 -
Jutkiewicz EM, Palleiko BA, Dripps IJ, Livingston KE, Roques BP, Clements BM, Traynor JR. Journal of Pharmacology and Experimental Therapeutics, 2026 Jul 1; 393 (7):Journal ArticlePositive allosteric modulation of the delta opioid receptor attenuates depression-like and pain-like behaviors but does not promote convulsions
DOI:10.1016/j.jpet.2026.104942 PMID: 42250290 -
Awad-Igbaria Y, Zhang Y, Aframian M, Faas GC, Charles A, Baca SM, Jutkiewicz E, von Mentzer B, Traynor J, Kendall D, Pradhan AA. 2026 Jun 12;PreprintPN6047 Demonstrates Broad Preclinical Efficacy in Headache Models as a Novel Delta-Opioid Receptor Agonist.
DOI:10.64898/2026.06.09.729278 PMID: 42327222 -
Clements BM, Berberoglu I, Burke KL, Kemp SWP, Traynor JR. 2026 May 6;PreprintEffects of the Mu Opioid Receptor Positive Allosteric Modulator BMS-986122 On Opioid Efficacy in Rat Neuropathic Pain States.
DOI:10.64898/2026.05.03.722511 PMID: 42146645 -
Mengchu L, Ajlen A, Mensch S, Duque J, Rech J, Traynor J. Journal of Pharmacology and Experimental Therapeutics, 2026 May 13; 393 (5): 104133Journal ArticleA First Drug-Like Mu-Opioid Receptor Negative Allosteric Modulators Demonstrating Efficacy in Preclinical Opioid Use Disorder Models (Abstract ID: 225713)
DOI:10.1016/j.jpet.2026.104133
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