Overview
- Peptide (C)KDIKEKSNVG(S)MEFK, corresponding to amino acid residues 155 - 169 of mouse GPR171 (Accession Q8BG55). 2nd extracellular loop.
- Cell surface detection of GPR171 by direct flow cytometry in live intact human Jurkat T-cell leukemia cells:___ Cells.
___ Cells + Rabbit IgG isotype control-PE (#RIC-001-PE).
___ Cells + Anti-GPR171 (extracellular)-PE Antibody (#AGR-054-PE), (2.5µg). - Cell surface detection of GPR171 by direct flow cytometry in live intact mouse TK-1 T-cell lymphoma cells:___ Cells.
___ Cells + Rabbit IgG isotype control-PE (#RIC-001-PE).
___ Cells + Anti-GPR171 (extracellular)-PE Antibody (#AGR-054-PE), (5µg).
G protein-coupled receptor 171 (GPR171) is an orphan G-protein coupled receptor (GPCR) activated by BigLEN; one of the most abundant neuropeptides in the brain that is derived from ProSAAS1. GPR171 contains seven transmembrane domains, an extracellular N-terminus and an intracellular C-terminal tail. Its detailed structure and ligand binding domain structure was predicted by homology modeling based on its similarity to P2Y12 receptor2,3.
BigLEN–GPR171 neuropeptide-receptor system is expressed in the brain, at the basolateral amygdala (BLA) and the periaqueductal gray brain area4-6.
This system plays an important role in regulating feeding-related behaviors, food intake and body weight regulation. It is also involved in anxiety behavior and various psychiatric disorders4,5.
Furthermore, BigLEN-GPR171 are expressed in GABAergic neurons within the periaqueductal gray, a key brain area involved in pain modulation and opioid functions6.
GPR171 is a potential target for drug development in obesity and weight problems, anxiety, various psychiatric disorders and pain.