Emerging Role of Transient Receptor Potential Vanilloid 4 (TRPV4) Ion Channel in Acute and Chronic Itch.

Journal Article (Journal Article;Review)

Itch is a clinical problem that leaves many sufferers insufficiently treated, with over 20 million cases in the United States. This is due to incomplete understanding of its molecular, cellular, and cell-to-cell signaling mechanisms. Transient receptor potential (TRP) ion channels are involved in several sensory modalities including pain, vision, taste, olfaction, hearing, touch, and thermosensation, as well as itch. Relative to the extensive studies on TRPV1 and TRPA1 ion channels in itch modulation, TRPV4 has received relatively little research attention and its mechanisms have remained poorly understood until recently. TRPV4 is expressed in ganglion sensory neurons and a variety of skin cells. Growing evidence in the past few years strongly suggests that TRPV4 in these cells contributes to acute and chronic disease-associated itch. This review focuses on the current experimental evidence involving TRPV4 in itch under pathophysiological conditions and discusses its possible cellular and molecular mechanisms.

Full Text

Duke Authors

Cited Authors

  • Zhang, Q; Henry, G; Chen, Y

Published Date

  • July 15, 2021

Published In

Volume / Issue

  • 22 / 14

PubMed ID

  • 34299208

Pubmed Central ID

  • PMC8307539

Electronic International Standard Serial Number (EISSN)

  • 1422-0067

Digital Object Identifier (DOI)

  • 10.3390/ijms22147591


  • eng

Conference Location

  • Switzerland