{"id":215,"count":3,"description":"<strong>Buy Melanotan<\/strong> \u2013 The Melanotan Research category covers the synthetic analogues of alpha-melanocyte-stimulating hormone, abbreviated MT-1 and MT-2. MT-1 is a linear tridecapeptide derived from native alpha-MSH by substitution at two amino acid positions; MT-2 is a shortened cyclic heptapeptide whose ring is closed by a lactam bridge between an aspartic acid and a lysine residue. Both address the G-protein-coupled melanocortin receptors MC1R to MC5R. In basic research they serve as model substances of receptor biology: studies examine binding affinity and selectivity at individual receptor subtypes, downstream cAMP formation in receptor-bearing cell lines, and the regulation of tyrosinase activity and melanin formation in melanocyte and melanoma cell cultures. Structurally, the comparison of the two peptides is instructive: cyclisation of MT-2 restricts conformational freedom and markedly increases resistance to enzymatic degradation relative to the linear template, which makes it a frequently used reference in structure-activity studies. At Pept\u00e9lia the peptides of this category are available as lyophilisates in vials, with reconstitution and storage details on the product page, classified within Skin &amp; Cell Research. Each batch is tested in-house by HPLC and UV\/Vis spectroscopy, and the batch certificate of analysis is viewable before purchase. <strong>For research use only. Not for use in or on the human body.<\/strong>","link":"https:\/\/peptelia.com\/en\/product-category\/skin-cell-research\/melanotan-research\/","name":"Melanotan Research","slug":"melanotan-research","taxonomy":"product_cat","parent":225,"meta":[],"menu_order":0,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Melanotan MT-1 &amp; MT-2 kaufen \u2013 mit COA | Pept\u00e9lia<\/title>\n<meta name=\"description\" content=\"Melanotan-Forschungspeptide MT-1 &amp; MT-2 mit chargenbezogenem COA und HPLC-gepr\u00fcfter Reinheit. 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