Roles of transient receptor potential channels in pain

Cheryl L. Stucky, Adrienne E. Dubin, Nathaniel A. Jeske, Sacha A. Malin, David D. McKemy, Gina M. Story

Research output: Contribution to journalReview articlepeer-review

153 Scopus citations


Pain perception begins with the activation of primary sensory nociceptors. Over the past decade, flourishing research has revealed that members of the Transient Receptor Potential (TRP) ion channel family are fundamental molecules that detect noxious stimuli and transduce a diverse range of physical and chemical energy into action potentials in somatosensory nociceptors. Here we highlight the roles of TRP vanilloid 1 (TRPV1), TRP melastatin 8 (TRPM8) and TRP ankyrin 1 (TRPA1) in the activation of nociceptors by heat and cold environmental stimuli, mechanical force, and by chemicals including exogenous plant and environmental compounds as well as endogenous inflammatory molecules. The contribution of these channels to pain and somatosensation is discussed at levels ranging from whole animal behavior to molecular modulation by intracellular signaling proteins. An emerging theme is that TRP channels are not simple ion channel transducers of one or two stimuli, but instead serve multidimensional roles in signaling sensory stimuli that are exceptionally diverse in modality and in their environmental milieu.

Original languageEnglish (US)
Pages (from-to)2-23
Number of pages22
JournalBrain Research Reviews
Issue number1
StatePublished - Apr 2009


  • Artemin
  • Bradykinin
  • Cold
  • Cutaneous
  • Inflammation
  • Kinase
  • Mechanotransduction
  • NGF
  • Nociceptor
  • Prostaglandin
  • Scaffold protein
  • Sensory neuron
  • TRPA1
  • TRPM8
  • TRPV1

ASJC Scopus subject areas

  • Clinical Neurology
  • General Neuroscience


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