{"id":153,"date":"2026-06-18T00:16:08","date_gmt":"2026-06-18T00:16:08","guid":{"rendered":"https:\/\/peptidesdivas.com\/?post_type=product&#038;p=153"},"modified":"2026-07-20T08:30:04","modified_gmt":"2026-07-20T08:30:04","slug":"peptide-de-recherche-pt-141-bremelanotide","status":"publish","type":"product","link":"https:\/\/peptidesdivas.com\/fr\/product\/pt-141-bremelanotide-research-peptide\/","title":{"rendered":"PT-141"},"content":{"rendered":"<h1>PT-141 (Br\u00e9m\u00e9lanotide) \u2013 Peptide de recherche sur la m\u00e9lanocortine cyclique<\/h1>\n<p>PT-141, also known as Bremelanotide, is an advanced synthetic cyclic heptapeptide developed for professional laboratory research involving melanocortin receptor activity, central signalling pathways and cyclic peptide pharmacology.<\/p>\n<p>Its compact molecular structure and broad melanocortin receptor profile make PT-141 particularly relevant for studies involving MC4R and MC1R activity, G-protein-coupled receptor signalling, neuroendocrine communication and peptide structure\u2013activity relationships.<\/p>\n<p>PT-141 is supplied as a premium lyophilised research material in a securely sealed vial with clear batch information, professional packaging and fast order processing from Peptides Divas.<\/p>\n<h2>Principales caract\u00e9ristiques du produit<\/h2>\n<ul>\n<li>heptapeptide cyclique synth\u00e9tique<\/li>\n<li>\u00c9galement connu sous le nom de br\u00e9m\u00e9lanotide et PT141<\/li>\n<li>Agoniste avanc\u00e9 des r\u00e9cepteurs de la m\u00e9lanocortine<\/li>\n<li>Pertinent pour la recherche MC4R et MC1R<\/li>\n<li>Convient aux \u00e9tudes sur la signalisation centrale de la m\u00e9lanocortine<\/li>\n<li>Utile pour la pharmacologie des RCPG<\/li>\n<li>Pertinent pour la caract\u00e9risation des peptides cycliques<\/li>\n<li>Fourni sous forme de mat\u00e9riel de recherche lyophilis\u00e9<\/li>\n<li>Informations claires sur le produit sp\u00e9cifiques au lot<\/li>\n<li>Emballage s\u00e9curis\u00e9 et discret<\/li>\n<li>Livraison europ\u00e9enne rapide et tra\u00e7able<\/li>\n<\/ul>\n<h2>Qu&#039;est-ce que le PT-141 ?<\/h2>\n<p>PT-141 is a synthetic melanocortin peptide with a conformationally restricted cyclic structure.<\/p>\n<p>The molecule belongs to the melanocortin peptide family and is structurally related to alpha-melanocyte-stimulating hormone analogues. Its cyclic design helps create a stable and clearly defined molecular profile for receptor-binding and signalling research.<\/p>\n<p>PT-141 is also known by its scientific name, Bremelanotide. The two names refer to the same active peptide compound.<\/p>\n<h2>Noms alternatifs du produit<\/h2>\n<p>Le PT-141 peut \u00eatre identifi\u00e9 sous plusieurs noms\u00a0:<\/p>\n<ul>\n<li>PT-141<\/li>\n<li>PT141<\/li>\n<li>Bremelanotide<\/li>\n<li>Ac\u00e9tate de br\u00e9m\u00e9lanotide<\/li>\n<li>Peptide m\u00e9lanocortine cyclique<\/li>\n<li>agoniste du r\u00e9cepteur de la m\u00e9lanocortine<\/li>\n<\/ul>\n<p>Les chercheurs doivent toujours confirmer la forme chimique exacte et les sp\u00e9cifications du lot en utilisant l&#039;\u00e9tiquette du produit et la documentation analytique applicable.<\/p>\n<h2>Structure mol\u00e9culaire<\/h2>\n<p>Bremelanotide is a synthetic cyclic heptapeptide with an acetylated amino terminus and a free acid at the carboxyl terminus.<\/p>\n<p>Its peptide structure is commonly represented as:<\/p>\n<p><strong>Ac-Nle-cyclo- (Asp \u2013 His \u2013 D-Phe \u2013 Arg \u2013 Trp \u2013 Lys \u2013 OH)<\/strong><\/p>\n<p>Les caract\u00e9ristiques structurelles importantes comprennent\u00a0:<\/p>\n<ul>\n<li>Structure d&#039;un peptide cyclique \u00e0 sept acides amin\u00e9s<\/li>\n<li>Conception mol\u00e9culaire \u00e0 pont lactame<\/li>\n<li>Extr\u00e9mit\u00e9 amin\u00e9e ac\u00e9tyl\u00e9e<\/li>\n<li>Extr\u00e9mit\u00e9 carboxyle libre<\/li>\n<li>Composants d&#039;acides amin\u00e9s modifi\u00e9s<\/li>\n<li>structure conformationnellement restreinte<\/li>\n<li>Activit\u00e9 \u00e9tendue des r\u00e9cepteurs de la m\u00e9lanocortine<\/li>\n<li>Profil analytique distinct<\/li>\n<\/ul>\n<p>Ces caract\u00e9ristiques rendent le PT-141 particuli\u00e8rement utile pour la recherche sur les peptides cycliques, la liaison aux r\u00e9cepteurs et la relation structure-activit\u00e9.<\/p>\n<h2>Recherche sur les r\u00e9cepteurs de la m\u00e9lanocortine<\/h2>\n<p>PT-141 is studied as a non-selective agonist of several melanocortin receptor subtypes.<\/p>\n<p>Relevant receptor systems include:<\/p>\n<ul>\n<li>MC1R<\/li>\n<li>MC2R<\/li>\n<li>MC3R<\/li>\n<li>MC4R<\/li>\n<li>MC5R<\/li>\n<\/ul>\n<p>The relative activity of PT-141 differs between receptor subtypes, with MC1R and MC4R representing particularly important areas of scientific interest.<\/p>\n<p>Potential research applications include:<\/p>\n<ul>\n<li>liaison au r\u00e9cepteur de la m\u00e9lanocortine<\/li>\n<li>Activation des r\u00e9cepteurs<\/li>\n<li>Interactions ligand-r\u00e9cepteur<\/li>\n<li>Signalisation des r\u00e9cepteurs coupl\u00e9s aux prot\u00e9ines G<\/li>\n<li>Voies de l&#039;AMP cyclique<\/li>\n<li>Transduction du signal intracellulaire<\/li>\n<li>Internalisation des r\u00e9cepteurs<\/li>\n<li>d\u00e9sensibilisation des r\u00e9cepteurs<\/li>\n<li>Relations concentration-r\u00e9ponse<\/li>\n<li>Pharmacologie compar\u00e9e des r\u00e9cepteurs<\/li>\n<\/ul>\n<h2>Recherche sur MC4R et la signalisation centrale<\/h2>\n<p>The melanocortin 4 receptor, known as MC4R, is expressed in multiple regions of the central nervous system.<\/p>\n<p>This makes PT-141 particularly relevant for research involving:<\/p>\n<ul>\n<li>Signalisation centrale de la m\u00e9lanocortine<\/li>\n<li>activit\u00e9 des r\u00e9cepteurs hypothalamiques<\/li>\n<li>communication neuroendocrinienne<\/li>\n<li>Voies neuronales des GPCR<\/li>\n<li>Mod\u00e8les de signalisation li\u00e9s au comportement<\/li>\n<li>Communication autonome<\/li>\n<li>Voies de recherche associ\u00e9es \u00e0 la dopamine<\/li>\n<li>Analyse de l&#039;expression des r\u00e9cepteurs<\/li>\n<li>Interactions ligand-r\u00e9cepteur centrales<\/li>\n<li>\u00c9tudes comparatives des agonistes du MC4R<\/li>\n<\/ul>\n<p>Le PT-141 est fr\u00e9quemment utilis\u00e9 comme r\u00e9f\u00e9rence de recherche pour examiner comment l&#039;activation du r\u00e9cepteur de la m\u00e9lanocortine peut influencer la signalisation \u00e0 m\u00e9diation centrale.<\/p>\n<h2>Recherche sur MC1R et les m\u00e9lanocytes<\/h2>\n<p>MC1R is strongly associated with melanocyte biology and pigmentation-related signalling.<\/p>\n<p>PT-141 may therefore also be relevant for laboratory research involving:<\/p>\n<ul>\n<li>Activation du r\u00e9cepteur MC1R<\/li>\n<li>signalisation des m\u00e9lanocytes<\/li>\n<li>Voies d&#039;expression de la m\u00e9lanine<\/li>\n<li>Mod\u00e8les cellulaires li\u00e9s \u00e0 la pigmentation<\/li>\n<li>S\u00e9lectivit\u00e9 des r\u00e9cepteurs<\/li>\n<li>Ligands comparatifs de la m\u00e9lanocortine<\/li>\n<li>R\u00e9ponses de concentration cellulaire<\/li>\n<li>Expression des g\u00e8nes des m\u00e9lanocytes<\/li>\n<li>Signalisation des RCPG dans les cellules pigmentaires<\/li>\n<li>Communication cellulaire par r\u00e9cepteurs<\/li>\n<\/ul>\n<p>Ces demandes d\u00e9crivent des protocoles de recherche en laboratoire et ne constituent pas des all\u00e9gations cosm\u00e9tiques.<\/p>\n<h2>Recherche en neuroendocrinologie<\/h2>\n<p>Melanocortin receptors contribute to communication between the central nervous system and endocrine pathways.<\/p>\n<p>Potential PT-141 research areas include:<\/p>\n<ul>\n<li>Signalisation neuroendocrinienne<\/li>\n<li>Recherche sur la voie hypothalamique<\/li>\n<li>Activation des r\u00e9cepteurs centraux<\/li>\n<li>Interactions des neurotransmetteurs<\/li>\n<li>Signalisation associ\u00e9e aux hormones<\/li>\n<li>Mod\u00e8les de r\u00e9ponse comportementale<\/li>\n<li>Recherche sur le syst\u00e8me nerveux autonome<\/li>\n<li>Communication cellulaire par r\u00e9cepteurs<\/li>\n<li>Pharmacologie compar\u00e9e des neuropeptides<\/li>\n<li>Recherche sur les peptides du syst\u00e8me nerveux central<\/li>\n<\/ul>\n<p>Les r\u00e9sultats exp\u00e9rimentaux peuvent varier en fonction du sous-type de r\u00e9cepteur, du type cellulaire, de la concentration, du mod\u00e8le d&#039;administration et de la m\u00e9thode analytique.<\/p>\n<h2>Recherche sur les peptides cycliques<\/h2>\n<p>The conformationally restricted structure of PT-141 makes it especially relevant for peptide design and molecular engineering.<\/p>\n<p>Potential research topics include:<\/p>\n<ul>\n<li>cyclisation des peptides<\/li>\n<li>formation de ponts lactame<\/li>\n<li>Restriction conformationnelle<\/li>\n<li>Stabilit\u00e9 mol\u00e9culaire<\/li>\n<li>D\u00e9gradation enzymatique<\/li>\n<li>Optimisation de la liaison au r\u00e9cepteur<\/li>\n<li>Analyse des acides amin\u00e9s modifi\u00e9e<\/li>\n<li>Pharmacologie des peptides<\/li>\n<li>relations structure-activit\u00e9<\/li>\n<li>Peptides lin\u00e9aires et cycliques comparatifs<\/li>\n<li>Mod\u00e9lisation mol\u00e9culaire<\/li>\n<li>Chimie des peptides synth\u00e9tiques<\/li>\n<\/ul>\n<p>Les chercheurs peuvent comparer le PT-141 avec le Melanotan II, l&#039;alpha-MSH ou d&#039;autres ligands de la m\u00e9lanocortine pour examiner comment de petites diff\u00e9rences structurelles influencent l&#039;activit\u00e9 du r\u00e9cepteur.<\/p>\n<h2>PT-141 contre Melanotan II<\/h2>\n<p>Le PT-141 et le Melanotan II sont des peptides m\u00e9lanocortines cycliques \u00e9troitement apparent\u00e9s, mais ils ne doivent pas \u00eatre trait\u00e9s comme des compos\u00e9s identiques.<\/p>\n<table>\n<thead>\n<tr>\n<th>Caract\u00e9ristiques<\/th>\n<th>PT-141<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nom scientifique<\/td>\n<td>Bremelanotide<\/td>\n<\/tr>\n<tr>\n<td>Type de peptide<\/td>\n<td>heptapeptide cyclique<\/td>\n<\/tr>\n<tr>\n<td>structure C-terminale<\/td>\n<td>acide carboxylique libre<\/td>\n<\/tr>\n<tr>\n<td>Profil de recherche principal<\/td>\n<td>Signalisation centrale de la m\u00e9lanocortine et de ses r\u00e9cepteurs<\/td>\n<\/tr>\n<tr>\n<td>Cibles r\u00e9ceptrices importantes<\/td>\n<td>MC4R et MC1R<\/td>\n<\/tr>\n<tr>\n<td>Identit\u00e9 du produit<\/td>\n<td>Diff\u00e9rent de Melanotan II<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Les chercheurs doivent toujours v\u00e9rifier l&#039;identit\u00e9 exacte du compos\u00e9 avant de commencer l&#039;analyse en laboratoire.<\/p>\n<h2>Applications potentielles de recherche<\/h2>\n<p>Le PT-141 peut \u00eatre pertinent pour des recherches scientifiques contr\u00f4l\u00e9es impliquant\u00a0:<\/p>\n<ul>\n<li>Pharmacologie des r\u00e9cepteurs de la m\u00e9lanocortine<\/li>\n<li>signalisation du r\u00e9cepteur MC4R<\/li>\n<li>activit\u00e9 du r\u00e9cepteur MC1R<\/li>\n<li>voies du syst\u00e8me nerveux central<\/li>\n<li>communication neuroendocrinienne<\/li>\n<li>Activation des RCPG<\/li>\n<li>Signalisation AMP cyclique<\/li>\n<li>Interactions ligand-r\u00e9cepteur<\/li>\n<li>S\u00e9lectivit\u00e9 des r\u00e9cepteurs<\/li>\n<li>Internalisation des r\u00e9cepteurs<\/li>\n<li>cyclisation des peptides<\/li>\n<li>relations structure-activit\u00e9<\/li>\n<li>Recherche comparative sur la m\u00e9lanocortine<\/li>\n<li>Caract\u00e9risation analytique des peptides<\/li>\n<li>Analyse chromatographique<\/li>\n<li>Analyse par spectrom\u00e9trie de masse<\/li>\n<li>Tests de stabilit\u00e9 et de d\u00e9gradation<\/li>\n<\/ul>\n<p>Les concentrations exp\u00e9rimentales exactes, les contr\u00f4les et les proc\u00e9dures analytiques doivent \u00eatre \u00e9tablis par le laboratoire qualifi\u00e9 qui effectue la recherche.<\/p>\n<h2>Recherche analytique<\/h2>\n<p>Le PT-141 peut convenir aux analyses de laboratoire professionnelles impliquant\u00a0:<\/p>\n<ul>\n<li>Chromatographie liquide \u00e0 haute performance<\/li>\n<li>chromatographie liquide-spectrom\u00e9trie de masse<\/li>\n<li>Confirmation de l&#039;identit\u00e9 du peptide<\/li>\n<li>Analyse de la structure mol\u00e9culaire<\/li>\n<li>\u00c9valuation de la puret\u00e9<\/li>\n<li>Tests de stabilit\u00e9<\/li>\n<li>Profilage de la d\u00e9gradation<\/li>\n<li>\u00c9valuation de la solubilit\u00e9<\/li>\n<li>Comparaison des mat\u00e9riaux de r\u00e9f\u00e9rence<\/li>\n<li>Tests de liaison aux r\u00e9cepteurs<\/li>\n<li>Compatibilit\u00e9 de la formulation<\/li>\n<li>D\u00e9veloppement de m\u00e9thodes analytiques<\/li>\n<\/ul>\n<p>L&#039;identit\u00e9 du produit et sa qualit\u00e9 analytique doivent toujours \u00eatre \u00e9valu\u00e9es \u00e0 l&#039;aide de la documentation associ\u00e9e au lot concern\u00e9.<\/p>\n<h2>Sp\u00e9cifications du produit<\/h2>\n<table>\n<thead>\n<tr>\n<th>Caract\u00e9ristiques du produit<\/th>\n<th>Information<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nom du produit<\/td>\n<td>PT-141<\/td>\n<\/tr>\n<tr>\n<td>Nom scientifique<\/td>\n<td>Bremelanotide<\/td>\n<\/tr>\n<tr>\n<td>Forme alternative<\/td>\n<td>Ac\u00e9tate de br\u00e9m\u00e9lanotide<\/td>\n<\/tr>\n<tr>\n<td>Cat\u00e9gorie de produits<\/td>\n<td>peptide de recherche synth\u00e9tique<\/td>\n<\/tr>\n<tr>\n<td>Type compos\u00e9<\/td>\n<td>agoniste cyclique du r\u00e9cepteur de la m\u00e9lanocortine<\/td>\n<\/tr>\n<tr>\n<td>Structure peptidique<\/td>\n<td>heptapeptide cyclique<\/td>\n<\/tr>\n<tr>\n<td>Objectifs de recherche importants<\/td>\n<td>MC4R et MC1R<\/td>\n<\/tr>\n<tr>\n<td>Domaines de recherche primaires<\/td>\n<td>M\u00e9lanocortine et signalisation neuroendocrine<\/td>\n<\/tr>\n<tr>\n<td>Formulaire<\/td>\n<td>Mat\u00e9riel de recherche lyophilis\u00e9<\/td>\n<\/tr>\n<tr>\n<td>Pr\u00e9sentation<\/td>\n<td>Flacon de recherche scell\u00e9 herm\u00e9tiquement<\/td>\n<\/tr>\n<tr>\n<td>Documentation<\/td>\n<td>informations analytiques sp\u00e9cifiques au lot<\/td>\n<\/tr>\n<tr>\n<td>Conditionnement<\/td>\n<td>Emballage s\u00e9curis\u00e9 et discret<\/td>\n<\/tr>\n<tr>\n<td>Application pr\u00e9vue<\/td>\n<td>Recherche scientifique, analytique et en laboratoire<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Format de recherche lyophilis\u00e9<\/h2>\n<p>PT-141 is supplied as a lyophilised research material in a securely sealed vial.<\/p>\n<p>Lyophilisation removes moisture and helps support peptide stability during controlled storage and transportation. Minor differences in physical appearance may occur due to product quantity, production conditions and residual moisture.<\/p>\n<p>Physical appearance alone should not be used to confirm product identity, purity or concentration. Researchers should review the applicable batch documentation before beginning laboratory analysis.<\/p>\n<h2>Qualit\u00e9 et transparence des produits<\/h2>\n<p>Peptides Divas focuses on clear product specifications, careful handling and batch-level traceability.<\/p>\n<p>Les informations analytiques disponibles peuvent inclure\u00a0:<\/p>\n<ul>\n<li>Identification du produit<\/li>\n<li>Structure peptidique<\/li>\n<li>Num\u00e9ro de lot<\/li>\n<li>Puret\u00e9 d\u00e9clar\u00e9e<\/li>\n<li>analyse HPLC<\/li>\n<li>Donn\u00e9es de spectrom\u00e9trie de masse<\/li>\n<li>Informations sur les tests<\/li>\n<li>Aspect du produit<\/li>\n<li>Recommandations de stockage<\/li>\n<\/ul>\n<p>Cela permet aux chercheurs d&#039;obtenir des informations claires et tra\u00e7ables sur le produit pour le lot concern\u00e9.<\/p>\n<h2>Informations de stockage<\/h2>\n<p>Store PT-141 in its original sealed packaging under the conditions stated on the product label and applicable batch documentation.<\/p>\n<p>Prot\u00e9ger le mat\u00e9riel de recherche contre :<\/p>\n<ul>\n<li>lumi\u00e8re directe du soleil<\/li>\n<li>Chaleur excessive<\/li>\n<li>Humidit\u00e9<\/li>\n<li>Contamination<\/li>\n<li>Emballage endommag\u00e9<\/li>\n<li>fluctuations de temp\u00e9rature r\u00e9p\u00e9t\u00e9es<\/li>\n<li>Exposition inutile \u00e0 l&#039;air<\/li>\n<\/ul>\n<p>Le laboratoire destinataire est responsable de l&#039;\u00e9tablissement des proc\u00e9dures appropri\u00e9es de pr\u00e9paration, de manipulation et de stockage pour son protocole de recherche sp\u00e9cifique.<\/p>\n<h2>Pourquoi choisir le PT-141 ?<\/h2>\n<p>PT-141 provides a distinctive cyclic molecular structure and broad melanocortin receptor research profile.<\/p>\n<p>Les principaux avantages en mati\u00e8re de recherche sont les suivants\u00a0:<\/p>\n<ul>\n<li>Structure heptapeptidique cyclique clairement d\u00e9finie<\/li>\n<li>Pertinence directe pour la recherche MC4R<\/li>\n<li>Convient aux \u00e9tudes sur la signalisation centrale de la m\u00e9lanocortine<\/li>\n<li>Utile pour la recherche sur MC1R et les m\u00e9lanocytes<\/li>\n<li>Pertinent pour la pharmacologie des RCPG<\/li>\n<li>Utile pour l&#039;analyse des peptides cycliques<\/li>\n<li>Convient \u00e0 la recherche structure-activit\u00e9<\/li>\n<li>pr\u00e9sentation lyophilis\u00e9e pratique<\/li>\n<li>Informations claires sur le produit sp\u00e9cifiques au lot<\/li>\n<\/ul>\n<h2>Pourquoi commander chez Peptides Divas ?<\/h2>\n<p>Peptides Divas combines carefully selected research materials with fast, reliable and professional service.<\/p>\n<p>Les clients b\u00e9n\u00e9ficient de\u00a0:<\/p>\n<ul>\n<li>Sp\u00e9cifications du produit clairement affich\u00e9es<\/li>\n<li>informations analytiques sp\u00e9cifiques au lot<\/li>\n<li>Traitement rapide des commandes<\/li>\n<li>Emballage s\u00e9curis\u00e9 et discret<\/li>\n<li>Options d&#039;exp\u00e9dition avec suivi<\/li>\n<li>Protection soign\u00e9e du flacon<\/li>\n<li>Service client r\u00e9actif<\/li>\n<li>Livraison europ\u00e9enne fiable<\/li>\n<\/ul>\n<p>Choose PT-141 from Peptides Divas for advanced laboratory research involving melanocortin receptors, central signalling, neuroendocrine pathways and cyclic peptide pharmacology.<\/p>\n<p>R\u00e9serv\u00e9 \u00e0 la recherche en laboratoire. Ne convient pas \u00e0 un usage humain ou v\u00e9t\u00e9rinaire.<\/p>","protected":false},"excerpt":{"rendered":"<p class=\"isSelectedEnd\">PT-141, also known as Bremelanotide, is a synthetic cyclic heptapeptide with a distinctive melanocortin receptor research profile.<\/p>\n<p class=\"isSelectedEnd\">Its compact molecular structure makes it particularly relevant for advanced laboratory studies involving MC4R and MC1R activity, central melanocortin signalling, neuroendocrine communication and cyclic peptide pharmacology.<\/p>\n<p>Supplied as a premium lyophilised research material with clear batch information, secure packaging and fast, trackable delivery.<\/p>","protected":false},"featured_media":147,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"nf_dc_page":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[],"product_cat":[39],"product_tag":[46],"class_list":["post-153","product","type-product","status-publish","has-post-thumbnail","product_cat-metabolic-research","product_tag-10-mg","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>PT-141 Bremelanotide Research Peptide | Peptides Divas<\/title>\n<meta name=\"description\" content=\"Explore PT-141 Bremelanotide, a cyclic melanocortin research peptide for advanced studies 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