PT-141 (Bremelanotide) is a synthetic cyclic heptapeptide derived from the α-melanocyte-stimulating hormone (α-MSH) framework. Classified as a melanocortin receptor agonist, it demonstrates affinity for central receptors such as MC₃R and MC₄R, pathways commonly associated with neuroendocrine and behavioral regulation in preclinical research. PT-141 was originally developed as a structural analog of Melanotan II, optimized to selectively engage central melanocortin receptors rather than peripheral targets, making it a valuable tool in experimental studies of receptor signaling, melanocortin biology, and central nervous system mechanisms.
Disclaimer: For laboratory research use only. Not for human consumption, diagnostic, or therapeutic purposes.
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