Sphingosine-1-phosphate receptor 2 (S1PR2)

Sphingosine-1-phosphate receptor 2 is a member of the G protein-coupled receptor (GPCR) family that binds the lipid signaling molecule sphingosine 1-phosphate (S1P)[5][8]. S1PR2 mediates a variety of downstream signaling pathways, including PI3K, MAPK, and Rho/ROCK, which regulate fundamental processes such as cell proliferation, migration, survival, and cytoskeletal organization[1][7]. It is widely expressed in neuronal and vascular tissues and plays key roles in the development and repair of the nervous and vascular systems, immune cell trafficking, and modulation of inflammation[5][7]. Importantly, S1PR2 contributes to the pathogenesis of several diseases including cancer, inflammatory and fibrotic conditions, cardiovascular disease, and certain neurodegenerative processes[1][3][7]. Both agonists and antagonists targeting S1PR2 are under investigation for therapeutic use, but safety is a concern due to the receptor's broad physiological roles[1][3][6].

Other names

S1P2EDG5G protein-coupled receptor 13 (Gpcr13)Endothelial differentiation G protein-coupled receptor 5

Antagonists inhibit S1PR2-mediated signaling, potentially reducing inflammation, fibrosis, and vascular dysfunction[1][3][6] Agonists activate S1PR2, which can lead to cell survival and protection against certain toxicities[2]