The deorphanization of TRPV1 and the emergence of octadecadienoids as a new class of lipid transmitters

Christopher M. Flores, Michael Vasko

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Nearly fifty years ago, the existence of a "pain receptor" was postulated through which capsaicin could exert its "stimulatory and desensitizing" actions. More recently, that receptor, the transient receptor potential vanilloid 1 (TRPV1) has been molecularly cloned and characterized. Much research has been devoted to identify those molecules serving as endogenous agonists for TRPV1. Various eicosanoids may act as these so-called endovanilloids, but new, exciting findings indicate that oxidized metabolites of linoleic acid (OLAMs) satisfy a number of critical criteria to be classified as endogenous activators of TRPV1. Intriguingly, OLAMs may also participate as peripheral neurochemical conduits of heat itself. Thus, TRPV1 may not only be deorphanized, but OLAM "octadecadienoids" may represent a novel class of algogenic substances. These findings raise critical questions regarding the precise role(s) of TRPV1 in nociceptive transduction and about the importance of fatty acids in the modulation of pain and related functions. Moreover, these findings may inform the potential development of novel therapeutic strategies to treat pain.

Original languageEnglish
Pages (from-to)137-140
Number of pages4
JournalMolecular Interventions
Volume10
Issue number3
DOIs
StatePublished - Jun 2010

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Lipids
Pain
Nociceptors
Eicosanoids
Capsaicin
Linoleic Acid
Fatty Acids
Hot Temperature
vanilloid receptor subtype 1
Research
Therapeutics

ASJC Scopus subject areas

  • Molecular Medicine

Cite this

The deorphanization of TRPV1 and the emergence of octadecadienoids as a new class of lipid transmitters. / Flores, Christopher M.; Vasko, Michael.

In: Molecular Interventions, Vol. 10, No. 3, 06.2010, p. 137-140.

Research output: Contribution to journalArticle

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