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NPY5R is a receptor for Neuropeptide Y, PYY and Pancreatic Polypeptide, expressed in hypothalamus and brain regions. Activation of NPY5R via Gi/o signaling suppresses adenylate cyclase, reducing intracellular cAMP, and triggers calcium mobilization. NPY5R regulates food intake and energy metabolism, a key target for obesity and diabetes drug discovery. Our NPY5R stable CHO-K1 cell lines are validated for cAMP assays to support your drug discovery programs.