Transient receptor potential cation channel subfamily C member 2 (TRPC2)

Transient receptor potential cation channel subfamily C member 2 (TRPC2) is a member of the TRPC (canonical) subfamily of TRP ion channels, which are generally non-selective cation channels permeable to Ca²⁺ and Na⁺[2][3][4][5]. TRPC2 is well characterized in rodents and certain mammals, where it is expressed mainly in the vomeronasal organ and is crucial for pheromone signal transduction related to reproductive and social behaviors. In humans and certain primates, TRPC2 is a pseudogene—meaning it is present as a non-functional, vestigial gene and does not produce a functional protein[3]. For this reason, TRPC2 is generally not considered a therapeutic target in human medicine. Details and Supporting Context: - Ion channel characteristics: Like other TRPC channels, TRPC2 has six transmembrane domains and allows non-selective passage of cations, particularly calcium and sodium, upon activation[2][3][4]. - Species specificity: Functional in rodents and some non-primate mammals, with important roles in chemosensory (pheromone) signaling. In humans, it is a pseudogene, so it cannot serve as a pharmacological target[3]. - Target status: Because TRPC2 is non-functional in humans, it is not a current therapeutic target; the other TRPC family channels (such as TRPC1, TRPC3-7) are of pharmacological and therapeutic interest[3][4][5]. - Aliases: Sometimes referenced as Trp2, LTRPC2, VNO channel, especially in non-human mammalian research literature. - Disease associations: No direct disease linkage in humans due to lack of function; in rodents, knockout or mutation of TRPC2 disrupts pheromone-driven behavior but not disease per se. - Drug interactions: No known drugs target human TRPC2, nor are there established mechanisms or clinically relevant safety concerns, as the protein is non-functional in humans. In summary: TRPC2 is a non-selective cation channel essential for pheromone detection in certain mammals, but it is a pseudogene in humans and thus not a therapeutic target for human disease or pharmacology. Information relating to small-molecule modulation, disease linkage, and biomarkers is not applicable to human medicine[3][4].

Other names

Trp2Trpc2LTRPC2VNO channel