GPR3 mRNA is broadly expressed in neurons in various brain regions, including the cortex, thalamus, hypothalamus, amygdala, hippocampus, pituitary, and cerebellum.[7][8] GPR3 mRNA is also expressed in the eye, lung, kidney, liver, testes, and ovary, among other tissues.[9]
Individuals afflicted by Alzheimer's disease have in many cases, overexpression of the GPR3 protein in their neurons.[10]
^Iismaa TP, Kiefer J, Liu ML, Baker E, Sutherland GR, Shine J (November 1994). "Isolation and chromosomal localization of a novel human G-protein-coupled receptor (GPR3) expressed predominantly in the central nervous system". Genomics. 24 (2): 391–394. doi:10.1006/geno.1994.1635. PMID7698767.
^Cite error: The named reference pmid16229830 was invoked but never defined (see the help page).
^Zhang B, Ding J, Li Y, Wang J, Zhao Y, Wang W, et al. (May 2012). "The porcine Gpr3 gene: molecular cloning, characterization and expression level in tissues and cumulus-oocyte complexes during in vitro maturation". Molecular Biology Reports. 39 (5): 5831–5839. doi:10.1007/s11033-011-1393-y. PMID22207171. S2CID18513825.