Transient receptor potential cation channel subfamily V member 3 (TRPV3) (TRPV3)

Transient receptor potential cation channel subfamily V member 3 (TRPV3) is a non-selective cation channel primarily expressed in the keratinocytes of the skin, as well as in the brain and spinal cord (UniProt, 2024). It functions as a polymodal sensor activated by warm temperatures (typically >33°C), various botanical compounds like camphor and carvacrol, and endogenous lipids (PubMed, 2022). TRPV3 plays a pivotal role in skin health, regulating epidermal differentiation, hair follicle development, and wound healing (NCBI, 2023). Gain-of-function mutations in the TRPV3 gene are the primary cause of Olmsted syndrome, a rare disorder characterized by severe palmoplantar keratoderma and intense pruritus (NIH, 2021). Due to its involvement in itch and inflammatory pathways, TRPV3 is a significant therapeutic target for conditions such as atopic dermatitis and chronic pruritus, with several antagonists having entered clinical development (PubChem, 2024). Pharmacological modulation of this channel offers a promising approach for treating dermatological diseases where barrier function and sensory signaling are compromised (StatPearls, 2023). Research also suggests its involvement in broader physiological processes such as systemic thermoregulation and nociceptive signaling in the peripheral nervous system (PubMed, 2021).

Other names

VRL3Vanilloid receptor-like protein 3TRP-V3

TRPV3 modulators primarily function as antagonists to block the overactive cation influx associated with inflammatory skin conditions and chronic itch, or as agonists to stimulate hair growth and study thermosensory pathways.