Trace amine-associated receptor 9 (TAAR9)

Trace amine-associated receptor 9 (TAAR9) is a rhodopsin-like G protein-coupled receptor with seven transmembrane domains, primarily known for detecting trace amines and volatile amine compounds in the olfactory system[1][2][4][7]. TAAR9 mediates signal transduction through G proteins, integrating chemical cues that may influence behavior and physiological responses such as lipid metabolism (e.g., affecting low-density lipoprotein cholesterol)[1]. Its endogenous ligands include polyamines and certain monoamines, and its activity involves complex ligand entry and binding mechanisms, including multiple entry tunnels and pockets within the receptor structure[2]. TAAR9, along with related TAAR family members, is being investigated as a potential therapeutic target for metabolic and inflammatory disorders, though clinical data are currently limited[7]. \n\nIf further granularity is needed for disease or drug information, continued research in the TAAR9 field is warranted due to currently limited ligand and expression profiling.

Other names

Trace amine receptor 9TAAR9TaR-9TAR9TRAR3TA3TAR3Trace amine receptor 3trace amine-associated receptor 9trace amine receptor 3

Agonists activate TAAR9 via binding to orthosteric and vestibular pockets, resulting in intracellular signaling through heterotrimeric G proteins typical of GPCRs\nAntagonists inhibit receptor activation, potentially interfering with physiological responses