{"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":"pt-141-peptido-de-investigacion-de-bremelanotida","status":"publish","type":"product","link":"https:\/\/peptidesdivas.com\/es\/product\/pt-141-bremelanotide-research-peptide\/","title":{"rendered":"PT-141"},"content":{"rendered":"<h1>PT-141 (Bremelanotida) \u2013 P\u00e9ptido de investigaci\u00f3n de melanocortina c\u00edclica<\/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>Caracter\u00edsticas clave del producto<\/h2>\n<ul>\n<li>Heptap\u00e9ptido c\u00edclico sint\u00e9tico<\/li>\n<li>Tambi\u00e9n conocida como Bremelanotida y PT141<\/li>\n<li>Agonista avanzado del receptor de melanocortina<\/li>\n<li>Relevante para la investigaci\u00f3n de MC4R y MC1R.<\/li>\n<li>Adecuado para estudios de se\u00f1alizaci\u00f3n de melanocortina central.<\/li>\n<li>\u00datil para la farmacolog\u00eda de los receptores acoplados a prote\u00ednas G (GPCR).<\/li>\n<li>Relevante para la caracterizaci\u00f3n de p\u00e9ptidos c\u00edclicos.<\/li>\n<li>Se suministra como material de investigaci\u00f3n liofilizado.<\/li>\n<li>Informaci\u00f3n clara del producto espec\u00edfica del lote<\/li>\n<li>Embalaje seguro y discreto<\/li>\n<li>Env\u00edo europeo r\u00e1pido y con seguimiento<\/li>\n<\/ul>\n<h2>\u00bfQu\u00e9 es 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>Nombres de productos alternativos<\/h2>\n<p>PT-141 puede identificarse con varios nombres:<\/p>\n<ul>\n<li>PT-141<\/li>\n<li>PT141<\/li>\n<li>Bremelanotida<\/li>\n<li>acetato de bremelanotida<\/li>\n<li>P\u00e9ptido de melanocortina c\u00edclica<\/li>\n<li>Agonista del receptor de melanocortina<\/li>\n<\/ul>\n<p>Los investigadores siempre deben confirmar la forma qu\u00edmica exacta y las especificaciones del lote utilizando la etiqueta del producto y la documentaci\u00f3n anal\u00edtica correspondiente.<\/p>\n<h2>Estructura molecular<\/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-ciclo-(Asp\u2013His\u2013D-Phe\u2013Arg\u2013Trp\u2013Lys\u2013OH)<\/strong><\/p>\n<p>Entre las caracter\u00edsticas estructurales importantes se incluyen:<\/p>\n<ul>\n<li>Estructura de p\u00e9ptido c\u00edclico de siete amino\u00e1cidos<\/li>\n<li>Dise\u00f1o molecular con puentes de lactama<\/li>\n<li>Extremo amino acetilado<\/li>\n<li>Extremo carboxilo libre<\/li>\n<li>Componentes de amino\u00e1cidos modificados<\/li>\n<li>Estructura con restricci\u00f3n conformacional<\/li>\n<li>Amplia actividad del receptor de melanocortina<\/li>\n<li>Perfil anal\u00edtico distintivo<\/li>\n<\/ul>\n<p>Estas caracter\u00edsticas hacen que el PT-141 sea particularmente \u00fatil para la investigaci\u00f3n de p\u00e9ptidos c\u00edclicos, uni\u00f3n a receptores y relaci\u00f3n estructura-actividad.<\/p>\n<h2>Investigaci\u00f3n sobre el receptor de melanocortina<\/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>Uni\u00f3n del receptor de melanocortina<\/li>\n<li>Activaci\u00f3n del receptor<\/li>\n<li>Interacciones ligando-receptor<\/li>\n<li>Se\u00f1alizaci\u00f3n de receptores acoplados a prote\u00ednas G<\/li>\n<li>V\u00edas del AMP c\u00edclico<\/li>\n<li>Transducci\u00f3n de se\u00f1ales intracelulares<\/li>\n<li>Internalizaci\u00f3n del receptor<\/li>\n<li>Desensibilizaci\u00f3n del receptor<\/li>\n<li>Relaciones concentraci\u00f3n-respuesta<\/li>\n<li>Farmacolog\u00eda comparativa de receptores<\/li>\n<\/ul>\n<h2>MC4R e Investigaci\u00f3n de Se\u00f1alizaci\u00f3n Central<\/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>Se\u00f1alizaci\u00f3n central de melanocortina<\/li>\n<li>Actividad de los receptores hipotal\u00e1micos<\/li>\n<li>comunicaci\u00f3n neuroendocrina<\/li>\n<li>V\u00edas de GPCR neuronales<\/li>\n<li>Modelos de se\u00f1alizaci\u00f3n relacionados con el comportamiento<\/li>\n<li>Comunicaci\u00f3n aut\u00f3noma<\/li>\n<li>V\u00edas de investigaci\u00f3n asociadas a la dopamina<\/li>\n<li>An\u00e1lisis de la expresi\u00f3n de receptores<\/li>\n<li>Interacciones centrales ligando-receptor<\/li>\n<li>Estudios comparativos de agonistas del MC4R<\/li>\n<\/ul>\n<p>El PT-141 se utiliza con frecuencia como referencia en investigaciones para examinar c\u00f3mo la activaci\u00f3n del receptor de melanocortina puede influir en la se\u00f1alizaci\u00f3n mediada centralmente.<\/p>\n<h2>Investigaci\u00f3n sobre MC1R y melanocitos<\/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>activaci\u00f3n del receptor MC1R<\/li>\n<li>Se\u00f1alizaci\u00f3n de melanocitos<\/li>\n<li>V\u00edas de expresi\u00f3n de melanina<\/li>\n<li>Modelos celulares relacionados con la pigmentaci\u00f3n<\/li>\n<li>Selectividad del receptor<\/li>\n<li>Ligandos comparativos de melanocortina<\/li>\n<li>Respuestas de concentraci\u00f3n celular<\/li>\n<li>expresi\u00f3n g\u00e9nica de los melanocitos<\/li>\n<li>Se\u00f1alizaci\u00f3n de GPCR en c\u00e9lulas pigmentarias<\/li>\n<li>Comunicaci\u00f3n celular mediada por receptores<\/li>\n<\/ul>\n<p>Estas aplicaciones describen procesos de investigaci\u00f3n de laboratorio y no representan afirmaciones cosm\u00e9ticas.<\/p>\n<h2>Investigaci\u00f3n neuroendocrina<\/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>se\u00f1alizaci\u00f3n neuroendocrina<\/li>\n<li>Investigaci\u00f3n sobre la v\u00eda hipotal\u00e1mica<\/li>\n<li>Activaci\u00f3n del receptor central<\/li>\n<li>Interacciones de los neurotransmisores<\/li>\n<li>Se\u00f1alizaci\u00f3n asociada a hormonas<\/li>\n<li>Modelos de respuesta conductual<\/li>\n<li>Investigaci\u00f3n del sistema nervioso aut\u00f3nomo<\/li>\n<li>Comunicaci\u00f3n celular mediada por receptores<\/li>\n<li>Farmacolog\u00eda comparativa de neurop\u00e9ptidos<\/li>\n<li>Investigaci\u00f3n sobre p\u00e9ptidos del sistema nervioso central<\/li>\n<\/ul>\n<p>Los resultados experimentales pueden variar seg\u00fan el subtipo de receptor, el tipo de c\u00e9lula, la concentraci\u00f3n, el modelo de administraci\u00f3n y el m\u00e9todo anal\u00edtico.<\/p>\n<h2>Investigaci\u00f3n sobre p\u00e9ptidos c\u00edclicos<\/h2>\n<p>The conformationally restricted structure of PT-141 makes it especially relevant for peptide design and molecular engineering.<\/p>\n<p>Entre los posibles temas de investigaci\u00f3n se incluyen:<\/p>\n<ul>\n<li>Ciclaci\u00f3n de p\u00e9ptidos<\/li>\n<li>Formaci\u00f3n de puentes de lactama<\/li>\n<li>Restricci\u00f3n conformacional<\/li>\n<li>Estabilidad molecular<\/li>\n<li>Degradaci\u00f3n enzim\u00e1tica<\/li>\n<li>Optimizaci\u00f3n de la uni\u00f3n al receptor<\/li>\n<li>An\u00e1lisis de amino\u00e1cidos modificado<\/li>\n<li>Farmacolog\u00eda de los p\u00e9ptidos<\/li>\n<li>Relaciones estructura-actividad<\/li>\n<li>P\u00e9ptidos lineales y c\u00edclicos comparativos<\/li>\n<li>Modelado molecular<\/li>\n<li>Qu\u00edmica de p\u00e9ptidos sint\u00e9ticos<\/li>\n<\/ul>\n<p>Los investigadores pueden comparar PT-141 con Melanotan II, alfa-MSH u otros ligandos de melanocortina para examinar c\u00f3mo las peque\u00f1as diferencias estructurales influyen en la actividad del receptor.<\/p>\n<h2>PT-141 contra Melanotan II<\/h2>\n<p>PT-141 y Melanotan II son p\u00e9ptidos de melanocortina c\u00edclicos estrechamente relacionados, pero no deben tratarse como compuestos id\u00e9nticos.<\/p>\n<table>\n<thead>\n<tr>\n<th>Caracter\u00edstica<\/th>\n<th>PT-141<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nombre cient\u00edfico<\/td>\n<td>Bremelanotida<\/td>\n<\/tr>\n<tr>\n<td>Tipo de p\u00e9ptido<\/td>\n<td>Heptap\u00e9ptido c\u00edclico<\/td>\n<\/tr>\n<tr>\n<td>Estructura del extremo C<\/td>\n<td>\u00c1cido carbox\u00edlico libre<\/td>\n<\/tr>\n<tr>\n<td>Perfil principal de investigaci\u00f3n<\/td>\n<td>Se\u00f1alizaci\u00f3n central de melanocortina y receptores<\/td>\n<\/tr>\n<tr>\n<td>Importantes dianas de receptores<\/td>\n<td>MC4R y MC1R<\/td>\n<\/tr>\n<tr>\n<td>Identidad del producto<\/td>\n<td>Distinto de Melanotan II<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Los investigadores siempre deben verificar la identidad exacta del compuesto antes de comenzar el an\u00e1lisis de laboratorio.<\/p>\n<h2>Posibles aplicaciones de investigaci\u00f3n<\/h2>\n<p>PT-141 puede ser relevante para la investigaci\u00f3n cient\u00edfica controlada que involucre:<\/p>\n<ul>\n<li>Farmacolog\u00eda del receptor de melanocortina<\/li>\n<li>se\u00f1alizaci\u00f3n del receptor MC4R<\/li>\n<li>actividad del receptor MC1R<\/li>\n<li>V\u00edas del sistema nervioso central<\/li>\n<li>comunicaci\u00f3n neuroendocrina<\/li>\n<li>activaci\u00f3n de GPCR<\/li>\n<li>Se\u00f1alizaci\u00f3n del AMP c\u00edclico<\/li>\n<li>Interacciones ligando-receptor<\/li>\n<li>Selectividad del receptor<\/li>\n<li>Internalizaci\u00f3n del receptor<\/li>\n<li>Ciclaci\u00f3n de p\u00e9ptidos<\/li>\n<li>Relaciones estructura-actividad<\/li>\n<li>Investigaci\u00f3n comparativa sobre la melanocortina<\/li>\n<li>Caracterizaci\u00f3n anal\u00edtica de p\u00e9ptidos<\/li>\n<li>An\u00e1lisis cromatogr\u00e1fico<\/li>\n<li>An\u00e1lisis por espectrometr\u00eda de masas<\/li>\n<li>Pruebas de estabilidad y degradaci\u00f3n<\/li>\n<\/ul>\n<p>Las concentraciones experimentales exactas, los controles y los procedimientos anal\u00edticos deben ser establecidos por el laboratorio cualificado que realiza la investigaci\u00f3n.<\/p>\n<h2>Investigaci\u00f3n anal\u00edtica<\/h2>\n<p>PT-141 puede ser adecuado para an\u00e1lisis de laboratorio profesionales que incluyan:<\/p>\n<ul>\n<li>Cromatograf\u00eda l\u00edquida de alto rendimiento<\/li>\n<li>Cromatograf\u00eda l\u00edquida-espectrometr\u00eda de masas<\/li>\n<li>Confirmaci\u00f3n de la identidad del p\u00e9ptido<\/li>\n<li>An\u00e1lisis de la estructura molecular<\/li>\n<li>Evaluaci\u00f3n de pureza<\/li>\n<li>Pruebas de estabilidad<\/li>\n<li>Perfil de degradaci\u00f3n<\/li>\n<li>Evaluaci\u00f3n de la solubilidad<\/li>\n<li>Comparaci\u00f3n de materiales de referencia<\/li>\n<li>Ensayos de uni\u00f3n a receptores<\/li>\n<li>Compatibilidad de la formulaci\u00f3n<\/li>\n<li>Desarrollo de m\u00e9todos anal\u00edticos<\/li>\n<\/ul>\n<p>La identidad del producto y la calidad anal\u00edtica siempre deben evaluarse utilizando la documentaci\u00f3n asociada al lote correspondiente.<\/p>\n<h2>Especificaciones del producto<\/h2>\n<table>\n<thead>\n<tr>\n<th>Caracter\u00edsticas del producto<\/th>\n<th>Informaci\u00f3n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nombre del producto<\/td>\n<td>PT-141<\/td>\n<\/tr>\n<tr>\n<td>Nombre cient\u00edfico<\/td>\n<td>Bremelanotida<\/td>\n<\/tr>\n<tr>\n<td>Forma alternativa<\/td>\n<td>acetato de bremelanotida<\/td>\n<\/tr>\n<tr>\n<td>Categor\u00eda de producto<\/td>\n<td>P\u00e9ptido sint\u00e9tico de investigaci\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>Tipo compuesto<\/td>\n<td>Agonista c\u00edclico del receptor de melanocortina<\/td>\n<\/tr>\n<tr>\n<td>Estructura pept\u00eddica<\/td>\n<td>Heptap\u00e9ptido c\u00edclico<\/td>\n<\/tr>\n<tr>\n<td>Objetivos de investigaci\u00f3n importantes<\/td>\n<td>MC4R y MC1R<\/td>\n<\/tr>\n<tr>\n<td>\u00c1reas de investigaci\u00f3n primaria<\/td>\n<td>Melanocortina y se\u00f1alizaci\u00f3n neuroendocrina<\/td>\n<\/tr>\n<tr>\n<td>Forma<\/td>\n<td>Material de investigaci\u00f3n liofilizado<\/td>\n<\/tr>\n<tr>\n<td>Presentaci\u00f3n<\/td>\n<td>Frasco de investigaci\u00f3n sellado de forma segura<\/td>\n<\/tr>\n<tr>\n<td>Documentaci\u00f3n<\/td>\n<td>Informaci\u00f3n anal\u00edtica espec\u00edfica del lote<\/td>\n<\/tr>\n<tr>\n<td>Embalaje<\/td>\n<td>Embalaje seguro y discreto<\/td>\n<\/tr>\n<tr>\n<td>Aplicaci\u00f3n prevista<\/td>\n<td>Investigaci\u00f3n cient\u00edfica, anal\u00edtica y de laboratorio<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Formato de investigaci\u00f3n liofilizado<\/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>Calidad y transparencia del producto<\/h2>\n<p>Peptides Divas focuses on clear product specifications, careful handling and batch-level traceability.<\/p>\n<p>La informaci\u00f3n anal\u00edtica disponible puede incluir:<\/p>\n<ul>\n<li>Identificaci\u00f3n del producto<\/li>\n<li>Estructura pept\u00eddica<\/li>\n<li>N\u00famero de lote o partida<\/li>\n<li>Pureza declarada<\/li>\n<li>an\u00e1lisis por HPLC<\/li>\n<li>Datos de espectrometr\u00eda de masas<\/li>\n<li>Informaci\u00f3n de prueba<\/li>\n<li>Aspecto del producto<\/li>\n<li>Recomendaciones de almacenamiento<\/li>\n<\/ul>\n<p>Esto proporciona a los investigadores informaci\u00f3n clara y rastreable sobre el producto para el lote correspondiente.<\/p>\n<h2>Informaci\u00f3n de almacenamiento<\/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>Proteja el material de investigaci\u00f3n de:<\/p>\n<ul>\n<li>Luz solar directa<\/li>\n<li>Calor excesivo<\/li>\n<li>Humedad<\/li>\n<li>Contaminaci\u00f3n<\/li>\n<li>Embalaje da\u00f1ado<\/li>\n<li>Fluctuaciones repetidas de temperatura<\/li>\n<li>Exposici\u00f3n innecesaria al aire<\/li>\n<\/ul>\n<p>El laboratorio receptor es responsable de establecer los procedimientos adecuados de preparaci\u00f3n, manipulaci\u00f3n y almacenamiento para su protocolo de investigaci\u00f3n espec\u00edfico.<\/p>\n<h2>\u00bfPor qu\u00e9 elegir PT-141?<\/h2>\n<p>PT-141 provides a distinctive cyclic molecular structure and broad melanocortin receptor research profile.<\/p>\n<p>Entre las principales ventajas de la investigaci\u00f3n se incluyen:<\/p>\n<ul>\n<li>Estructura de heptap\u00e9ptido c\u00edclico claramente definida<\/li>\n<li>Relevancia directa para la investigaci\u00f3n de MC4R<\/li>\n<li>Adecuado para estudios de se\u00f1alizaci\u00f3n de melanocortina central.<\/li>\n<li>\u00datil para la investigaci\u00f3n sobre MC1R y melanocitos.<\/li>\n<li>Relevante para la farmacolog\u00eda de los receptores acoplados a prote\u00ednas G (GPCR).<\/li>\n<li>Valioso para el an\u00e1lisis de p\u00e9ptidos c\u00edclicos<\/li>\n<li>Adecuado para la investigaci\u00f3n de la relaci\u00f3n estructura-actividad.<\/li>\n<li>Presentaci\u00f3n liofilizada pr\u00e1ctica<\/li>\n<li>Informaci\u00f3n clara del producto espec\u00edfica del lote<\/li>\n<\/ul>\n<h2>\u00bfPor qu\u00e9 comprar en Peptides Divas?<\/h2>\n<p>Peptides Divas combina materiales de investigaci\u00f3n cuidadosamente seleccionados con un servicio r\u00e1pido, fiable y profesional.<\/p>\n<p>Los clientes se benefician de:<\/p>\n<ul>\n<li>Especificaciones del producto claramente visibles<\/li>\n<li>Informaci\u00f3n anal\u00edtica espec\u00edfica del lote<\/li>\n<li>Procesamiento r\u00e1pido de pedidos<\/li>\n<li>Embalaje seguro y discreto<\/li>\n<li>Opciones de env\u00edo con seguimiento<\/li>\n<li>Protecci\u00f3n cuidadosa del vial<\/li>\n<li>Soporte al cliente receptivo<\/li>\n<li>Entrega europea 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>Solo para uso en investigaci\u00f3n de laboratorio. No apto para uso humano ni veterinario.<\/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>Se suministra como material de investigaci\u00f3n liofilizado de primera calidad, con informaci\u00f3n clara sobre el lote, embalaje seguro y entrega r\u00e1pida con 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