GPR3 activates adenylate cyclase in the absence of ligand.[3] GPR3 is expressed in mammalian oocytes where it maintains meiotic arrest and is thought to be a communication link between oocytes and the surrounding somatic tissue.[4] It has been proposed that sphingosine 1-phosphate (S1P) and sphingosylphosphorylcholine (SPC) are GPR3 ligands,[5][6] however this result was not confirmed in a β-arrestin recruitment assay.[7]
References
↑Marchese A, Docherty JM, Nguyen T, Heiber M, Cheng R, Heng HH, Tsui LC, Shi X, George SR, O'Dowd BF (Mar 1995). "Cloning of human genes encoding novel G protein-coupled receptors". Genomics. 23 (3): 609–18. doi:10.1006/geno.1994.1549. PMID7851889.
↑Mehlmann LM, Saeki Y, Tanaka S, Brennan TJ, Evsikov AV, Pendola FL, Knowles BB, Eppig JJ, Jaffe LA (December 2004). "The Gs-linked receptor GPR3 maintains meiotic arrest in mammalian oocytes". Science. 306 (5703): 1947–50. doi:10.1126/science.1103974. PMID15591206.
↑Uhlenbrock K, Gassenhuber H, Kostenis E (November 2002). "Sphingosine 1-phosphate is a ligand of the human gpr3, gpr6 and gpr12 family of constitutively active G protein-coupled receptors". Cell. Signal. 14 (11): 941–53. doi:10.1016/S0898-6568(02)00041-4. PMID12220620.
↑Hinckley M, Vaccari S, Horner K, Chen R, Conti M (November 2005). "The G-protein-coupled receptors GPR3 and GPR12 are involved in cAMP signaling and maintenance of meiotic arrest in rodent oocytes". Dev. Biol. 287 (2): 249–61. doi:10.1016/j.ydbio.2005.08.019. PMID16229830.
Iismaa TP, Kiefer J, Liu ML, et al. (1995). "Isolation and chromosomal localization of a novel human G-protein-coupled receptor (GPR3) expressed predominantly in the central nervous system". Genomics. 24 (2): 391–4. doi:10.1006/geno.1994.1635. PMID7698767.
Heiber M, Docherty JM, Shah G, et al. (1995). "Isolation of three novel human genes encoding G protein-coupled receptors". DNA Cell Biol. 14 (1): 25–35. doi:10.1089/dna.1995.14.25. PMID7832990.
Song ZH, Modi W, Bonner TI (1996). "Molecular cloning and chromosomal localization of human genes encoding three closely related G protein-coupled receptors". Genomics. 28 (2): 347–9. doi:10.1006/geno.1995.1154. PMID8530049.
Gregory SG, Barlow KF, McLay KE, et al. (2006). "The DNA sequence and biological annotation of human chromosome 1". Nature. 441 (7091): 315–21. doi:10.1038/nature04727. PMID16710414.