Transient receptor potential vanilloid channel subfamily member (TRPV (for the family); specific members are abbreviated as TRPV1, TRPV2, etc.[3][1])

The **transient receptor potential vanilloid** (**TRPV**) channels constitute a subfamily within the larger transient receptor potential (**TRP**) superfamily of ion channels. These proteins form tetrameric cation-permeable channels located primarily on plasma membranes. The mammalian genome encodes six main members—**TRPV1–6**—with diverse physiological roles including thermosensation, osmoregulation, mechanosensation, and regulation of calcium homeostasis. Structurally, each monomer has six transmembrane domains with cytoplasmic N-terminal ankyrin repeats that contribute to assembly and regulatory interactions[4]. Functionally important in sensory neurons for detecting heat/pain stimuli (*e.g.*, capsaicin activates TRPV1), they also play key roles in kidney/intestine epithelial cells regulating calcium reabsorption/absorption (*e.g.*, TRPV5/6). Dysregulation or mutation can contribute to diseases such as chronic pain syndromes, inflammatory conditions, neurodegeneration, cancer progression/metastasis,[6] making them attractive drug targets but also posing challenges due to their widespread expression and critical physiological functions[3][7].

Other names

TRPV channelTransient receptor potential vanilloid channelVanilloid receptor (for some members)Capsaicin receptor (specifically for TRPV1)

Drugs can act as agonists or antagonists at these ion channels to modulate cation influx—primarily calcium—thereby altering neuronal excitability and downstream signaling involved in pain and inflammation.