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  • Clarke, William P
Dr William Clarke

Contact

210-567-4171

clarkew@uthscsa.edu

Programs

Biology of Aging
D.D.S./Ph.D. in Doctor of Dental Surgery & Doctor of Philosophy
M.D./Ph.D. in South Texas Medical Scientist Training Program
Neuroscience
Ph.D. in Integrated Biomedical Sciences
Physiology and Pharmacology

Departments & Divisions

Department of Pharmacology

Institutes and Centers

  • Addiction Research, Treatment & Training Center
  • Center for Biomedical Neurosciences

Research

Researcher profile

William  Clarke, Ph.D.

Professor

Pharmacology

 

Research in our lab is focused on understanding the cellular and molecular mechanisms of drug efficacy (the ability of a drug to produce a response, following interaction with a receptor). Together with my long-time collaborator, Dr. Kelly Berg, our work has employed a combination of quantitative pharmacological, biochemical, molecular, cellular and behavioral approaches to understand how drugs activate G protein coupled receptors (GPCRs) to regulate cellular signaling and change behavior. We are especially interested in ligand-independent (constitutive) receptor activity, inverse agonism, and functional selectivity (also known as biased agonism - the ability of different ligands that act at the same receptor to produce different responses). We are also interested in how these pharmacological parameters differ with cell phenotype and cell physiological state. For the past several years our studies have centered upon the regulation and function of peripheral opioid receptors expressed by peripheral pain-sensing neurons and their role as potential targets for safer treatments for pain. Inhibition of these pain-sensing neurons can produce powerful analgesia (think local anesthetics). Opioid drugs that are modified to be peripherally-restricted so that they do not enter the CNS would be effective analgesics for some forms of pain (post-surgical, inflammatory, etc.) that involve activity of the peripheral pain-sensing neurons but would be devoid of the serious adverse effects that are due to opioid action on receptors expressed in the CNS (respiratory depression, addiction, abuse, sedation, etc.). We utilize a complementary system to study opioid receptor function and regulation in peripheral pain-sensing neurons that includes study of peripheral sensory neurons, derived from the trigeminal and dorsal root ganglia, in culture and well as in vivo in behavioral assays of pain. The combination of ex vivo (primary neuronal cultures) and in vivo studies is a powerful approach that allows for rigorous, quantitative, pharmacological analyses of cellular signaling systems and assessment of the physiological relevance of findings obtained from ex vivo studies. 

  • Professional Background

    Education

    • 1984 - Postdoctoral Fellowship - Pharmacology - Mount Sinai School of Medicine
    • 1984 - PhD - Physiology - Wayne State University School of Medicine
    • 1979 - MS - Biology - Northeastern University
    • 1974 - BS - Chemistry - Boston College

    Appointments

    • 9/2008 - Professor - The University of Texas Health Science Center at San Antonio, Pharmacology, San Antonio
    • 1987-1994 - Assistant Professor - Mount Sinai School of Medicine
  • Instruction & Training

    • 6/2012 - Present, Membership on Supervising Committee, The University of Texas Health Science Center at San Antonio
    • 7/2011 - Present, Ph.D. Dissertations Directed, The University of Texas Health Science Center at San Antonio
    • 6/2011 - Present, Ph.D. Dissertations Directed, The University of Texas Health Science Center at San Antonio
    • 7/2010 - Present, Post-Doctoral Student Supervision, The University of Texas Health Science Center at San Antonio
    • 1/2010 - Present, Membership on Supervising Committee, The University of Texas Health Science Center at San Antonio
    • 6/2008 - Present, Receptors-Effectors (Summer Undergraduate Course), The University of Texas Health Science Center at San Antonio
    • 1/2007 - Present, Membership on Supervising Committee, The University of Texas Health Science Center at San Antonio
  • Research & Grants

    Research profile

    Grants

    • Pharmacological and behavioral effects of MCAM: a long-acting, μ opioid receptor antagonist for treatment of opioid overdose and

    Federal

    Funding Agency ASPET Title ASPET Fellowship Program for Undergraduate Students Status Active Period 6/2007 - Present Role Principal Investigator Grant Detail  

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UT Health San Antonio
Graduate School of Biomedical Sciences

7703 Floyd Curl Drive

San Antonio, TX 78229

210-567-3709

gsbs@uthscsa.edu

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