NMUR2

The neuromedin U receptor 2 (NMUR2) is a G protein-coupled receptor that mediates the central effects of neuromedin U, primarily regulating energy balance and body weight through hypothalamic pathways^[1]. Mechanistically, NMUR2 activation reduces food intake and body fat by modulating neuronal circuits controlling appetite, with distinct effects observed in female mice under high-fat diet conditions^[1]. Compared with NMUR1, NMUR2 displays restricted central nervous system expression, conferring isoform-specific regulatory control over energy homeostasis^[1]. Experimental NMUR2-null models demonstrate sex-dependent alterations in body weight and adiposity, highlighting its relevance in diet-induced obesity research^[1]. Pharmacological studies using NMUR2 agonists indicate potential utility in modulating feeding behavior and adiposity, although receptor-selective ligands are still under development for precise experimental applications^[1]. These findings collectively define NMUR2 as a critical isoform for central neuromedin U signaling, distinguished from related receptors by its localization, physiological function, and involvement in energy regulation pathways^[1].