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Human GRPR/Apoaequorin Stable Cell Line-CHO

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Cat.No.
CSC-RG1251
Background
Bombesin, a bioactive peptide first identified in amphibian skin, is related to two mammalian peptides, gastrin-releasing peptide (GRP) and neuromedin B. A family of 3 GPCRs, including NMB-R (BB1), GRP-R (BB2) and BRS-3 (BB3), mediate the biological effects of the peptides. The receptors differ in their affinities for the peptides; BB2 binds to GRP with 50-300-fold greater affinity than to NMB, whereas BB1 binds to NMB with 10-800-fold greater affinity than to GRP. Binding of ligand to BB2 activates Gq to increase intracellular calcium concentrations. GRP stimulates release of gastrin from endocrine cells and stimulates smooth muscle activity in the gastrointestinal tract. In addition, binding of GRP to BB2 stimulates proliferation of a variety of cell types, and has been implicated in the progression of small cell lung cancer and other malignancies. The CNS is also a major site of GRP expression, and GRP and BB2 are involved in the circadian clock, conditioned fear, and food intake.
Growth Properties
Adherent
Morphology
Epithelial-like
Host Cell
CHO-K1
Ship
Dry ice
Gene Information
Official Symbol
GRPR
Synonyms
GRPR; gastrin-releasing peptide receptor; GRP-R; GRP-preferring bombesin receptor;
Gene ID
MIM
UniProt ID
P30550
Chromosome Location
Xp22.2
Pathway
Calcium signaling pathway, organism-specific biosystem; Calcium signaling pathway, conserved biosystem; Class A/1 (Rhodopsin-like receptors), organism-specific biosystem; G alpha (q) signalling events, organism-specific biosystem; GPCR downstream signaling, organism-specific biosystem; GPCR ligand binding, organism-specific biosystem; GPCRs, Class A Rhodopsin-like, organism-specific biosystem;
Function
G-protein coupled peptide receptor activity; bombesin receptor activity; neuropeptide binding; receptor activity; signal transducer activity;

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