Farnesyl pyrophosphate is a novel pain-producing molecule via specific activation of TRPV3

Sangsu Bang, Sungjae Yoo, Tae Jin Yang, Hawon Cho, Sun Wook Hwang

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

Temperature-sensitive transient receptor potential ion channels (thermoTRPs) expressed in epidermal keratinocytes and sensory afferents play an important role as peripheral pain detectors for our body. Many natural and synthetic compounds have been found to act on the thermoTRPs leading to altered nociception, but little is known about endogenous painful molecules activating TRPV3. Here, we show that farnesyl pyrophosphate (FPP), an intermediate metabolite in the mevalonate pathway, specifically activates TRPV3 among six thermoTRPs using Ca2+ imaging and electrophysiology with cultured keratinocytes and TRPV3-overexpressing cells. Agonistic potencies of related compounds in the FPP metabolism were ignorable. Voltage-dependence of TRPV3 was shifted by FPP, which appears to be the activation mechanism. An intraplantar injection of FPP acutely elicits nociceptive behaviors in inflamed animals, indicating that FPP is a novel endogenous pain-producing substance via TRPV3 activation. Co-culture experiments demonstrated that this FPP-evoked signal in the keratinocytes is transmitted to sensory neurons. In addition, FPP reduced TRPV3 heat threshold resulting in heightened behavioral sensitivity to noxious heat. Taken together, our data suggest that FPP is the firstly identified endogenous TRPV3 activator that causes nociception. Our results may provide useful chemical information to elucidate TRPV3 physiology and novel pain-related metabolisms.

Original languageEnglish
Pages (from-to)19362-19371
Number of pages10
JournalJournal of Biological Chemistry
Volume285
Issue number25
DOIs
Publication statusPublished - 2010 Jun 18

Fingerprint

Chemical activation
Pain
Molecules
Keratinocytes
Nociception
Metabolism
Hot Temperature
Electrophysiology
Transient Receptor Potential Channels
Mevalonic Acid
farnesyl pyrophosphate
Physiology
Sensory Receptor Cells
Metabolites
Coculture Techniques
Ion Channels
Neurons
Animals
Detectors
Imaging techniques

ASJC Scopus subject areas

  • Biochemistry
  • Cell Biology
  • Molecular Biology

Cite this

Farnesyl pyrophosphate is a novel pain-producing molecule via specific activation of TRPV3. / Bang, Sangsu; Yoo, Sungjae; Yang, Tae Jin; Cho, Hawon; Hwang, Sun Wook.

In: Journal of Biological Chemistry, Vol. 285, No. 25, 18.06.2010, p. 19362-19371.

Research output: Contribution to journalArticle

Bang, Sangsu ; Yoo, Sungjae ; Yang, Tae Jin ; Cho, Hawon ; Hwang, Sun Wook. / Farnesyl pyrophosphate is a novel pain-producing molecule via specific activation of TRPV3. In: Journal of Biological Chemistry. 2010 ; Vol. 285, No. 25. pp. 19362-19371.
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