Neuromedin U, rat is a 23-amino acid brain-gut peptide. Neuromedin U (NMU), through its cognate receptor NMUR2 in the central nervous system, regulates several important physiological functions, including energy balance, stress response, and nociception.
CAT No: R1538
CAS No:117505-80-3
Synonyms/Alias:Neuromedin U (rat);117505-80-3;Neuromedin u(rat);AKOS024456854;FN110413;Neuromedin U-23 (rat) trifluoroacetate salt;G82821;H-Tyr-Lys-Val-Asn-Glu-Tyr-Gln-Gly-Pro-Val-Ala-Pro-Ser-Gly-Gly-Phe-Phe-Leu-Phe-Arg-Pro-Arg-Asn-NH2; H-YKVNEYQGPVAPSGGFFLFRPRN-NH2;
Neuromedin U, rat is a biologically active peptide belonging to the neuromedin family, originally isolated from rat spinal cord and named for its pronounced uterine contractile activity. Structurally conserved across mammalian species, this neuropeptide is characterized by a C-terminal amidated sequence crucial for receptor binding and function. Neuromedin U plays a significant role in central and peripheral physiological processes, including energy homeostasis, stress response, nociception, and smooth muscle contraction. Its relevance in neuroendocrine signaling and peptide-receptor interaction studies makes it a valuable tool for researchers investigating complex regulatory pathways in mammalian systems.
Receptor Pharmacology: As a selective agonist for the neuromedin U receptor subtypes NMUR1 and NMUR2, this peptide is instrumental in receptor binding and signaling assays. Researchers frequently employ it to characterize ligand-receptor interactions, delineate downstream signaling cascades, and assess receptor specificity using cell-based or membrane-based systems. Such studies are vital for understanding neuromedin-mediated modulation of physiological processes and for the identification of novel receptor modulators within the neuropeptide field.
Neuroendocrine Function Studies: The peptide serves as a powerful probe for dissecting the neuroendocrine roles of neuromedin U in rodent models. By administering it in vitro or in vivo, scientists can explore its influence on hypothalamic-pituitary-adrenal axis regulation, feeding behavior, and stress-induced hormonal responses. These investigations provide critical insights into the mechanisms underlying appetite control, metabolic regulation, and neuroendocrine integration, supporting broader research into metabolic disorders and behavioral neuroscience.
Smooth Muscle Physiology: Owing to its potent contractile effects on smooth muscle tissues, the compound is widely used in functional assays to study gastrointestinal and uterine motility. Experimental protocols often utilize isolated tissue preparations to evaluate dose-dependent responses, receptor subtype involvement, and cross-talk with other neuromodulators. Such applications advance the understanding of smooth muscle pharmacology and contribute to the mapping of enteric and reproductive system regulation.
Pain and Sensory Pathways Research: Neuromedin U is implicated in the modulation of nociceptive pathways, making it a valuable agent in pain mechanism studies. By applying the peptide to neuronal cultures or animal models, researchers can investigate its effects on pain perception, neurotransmitter release, and signal transduction within sensory circuits. These experiments are essential for elucidating the neurochemical basis of pain and identifying potential targets for analgesic development.
Metabolic and Energy Balance Investigations: The compound is frequently employed to probe mechanisms of energy expenditure, glucose metabolism, and feeding regulation in laboratory settings. Its role in modulating central and peripheral metabolic pathways allows for detailed exploration of neuropeptide-driven metabolic control. Through such studies, scientists gain a deeper understanding of appetite regulation, energy homeostasis, and the interplay between neuropeptides and metabolic disease pathogenesis, supporting the development of new strategies for metabolic research.
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