TRPV1 Activation is Not An All-Or-None Event: TRPV1 Partial Agonism/Antagonism and Its Regulatory Modulation

Author(s): Peter M. Blumberg, Larry V. Pearce, Jeewoo Lee.

Journal Name: Current Topics in Medicinal Chemistry

Volume 11 , Issue 17 , 2011

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Abstract:

TRPV1 has emerged as a promising therapeutic target for pain as well as a broad range of other conditions such as asthma or urge incontinence. The identification of resiniferatoxin as an ultrapotent ligand partially able to dissect the acute activation of TRPV1 from subsequent desensitization and the subsequent intense efforts in medicinal chemistry have revealed that TRPV1 affords a dramatic landscape of opportunities for pharmacological manipulation. While agonism and antagonism have represented the primary directions for drug development, the pharmacological complexity of TRPV1 affords additional opportunities. Partial agonism/partial antagonism, its modulation by signaling pathways, variable desensitization, and slow kinetics of action can all be exploited through drug design.

Keywords: Resiniferatoxin, capsaicin, partial agonist, partial antagonist, TRPV1, efficacy, signaling pathway, asthma or urge incontinence, activation of TRPV1, subsequent desensitization, pharmacological manipulation, agonism and antagonism, slow kinetics of action, drug design

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Article Details

VOLUME: 11
ISSUE: 17
Year: 2011
Page: [2151 - 2158]
Pages: 8
DOI: 10.2174/156802611796904825
Price: $58

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