Transient receptor potential vanilloid channel (TRPV channel)

The transient receptor potential vanilloid channel (TRPV channel) is a subfamily of ion channels that are part of the larger transient receptor potential (TRP) channel superfamily. These channels are tetrameric cation channels present predominantly in the plasma membrane of animal cells[2][4][5]. They are composed of six transmembrane domains per subunit, with each channel formed by four subunits (either homotetrameric or heterotetrameric assemblies). They function as calcium-permeable, non-selective cation channels important for sensing physical and chemical stimuli, including temperature and pain. The best-known member, TRPV1, mediates responses to heat and the pungent compound capsaicin[4][5]. TRPV channels play essential roles in signal transduction related to thermal and pain stimuli as well as in various physiological and pathological processes including inflammation, cancer, and cardiovascular and neurological diseases[1][2][4][5]. They are considered promising therapeutic targets, particularly for pain and inflammation, but clinical development is challenged by on-target safety issues such as hyperthermia and disruption of protective sensory functions[5].

Other names

TRPV channelTransient receptor potential vanilloidTransient receptor potential vanilloid familyTRPV (family abbreviation)Vanilloid receptor (used mainly for TRPV1)

Agonists: Activate channel, leading to cation influx (notably Ca²⁺), membrane depolarization, and downstream signaling Antagonists: Block channel opening, preventing ion influx and attenuating downstream responses Toxins: Stabilize specific channel conformations to modulate activity