{"id":104861,"date":"2025-06-16T13:28:11","date_gmt":"2025-06-16T11:28:11","guid":{"rendered":"https:\/\/www.pcb.ub.edu\/investigadores-del-ibub-identifican-una-proteina-clave-para-controlar-la-obesidad-y-las-enfermedades-cardiovasculares\/"},"modified":"2025-06-16T15:01:26","modified_gmt":"2025-06-16T13:01:26","slug":"investigadores-del-ibub-identifican-una-proteina-clave-para-controlar-la-obesidad-y-las-enfermedades-cardiovasculares","status":"publish","type":"post","link":"https:\/\/www.pcb.ub.edu\/es\/investigadores-del-ibub-identifican-una-proteina-clave-para-controlar-la-obesidad-y-las-enfermedades-cardiovasculares\/","title":{"rendered":"Investigadores del IBUB identifican una prote\u00edna clave para controlar la obesidad y las enfermedades cardiovasculares"},"content":{"rendered":"<p><strong>Un estudio de la Facultad de Biolog\u00eda y el Instituto de Biomedicina de la Universidad de Barcelona (<a href=\"https:\/\/www.pcb.ub.edu\/es\/empresa\/institut-de-biomedicina-de-la-universitat-de-barcelona-ibub\/\" target=\"_blank\" rel=\"noopener\">IBUB<\/a>), con sede en el Parque Cient\u00edfico de Barcelona, el Instituto de Investigaci\u00f3n Sant Joan de D\u00e9u (<a href=\"https:\/\/www.irsjd.org\/es\/\" target=\"_blank\" rel=\"noopener\">IRSJD<\/a>) y el \u00e1rea de Fisiopatolog\u00eda de la Obesidad del CIBER (<a href=\"https:\/\/www.ciberobn.es\/\" target=\"_blank\" rel=\"noopener\">CIBEROBN<\/a>) ha descubierto por primera vez una mol\u00e9cula represora de la actividad del tejido adiposo marr\u00f3n. El trabajo, publicado en la revista <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2212877825000602?via%3Dihub\" target=\"_blank\" rel=\"noopener\"><em>Molecular Metabolism<\/em><\/a>, abre v\u00edas para entender por qu\u00e9 y c\u00f3mo tiene lugar la inactivaci\u00f3n de este tejido clave para metabolizar grasas en el organismo, y especialmente para saber si esta funci\u00f3n represora puede revertirse y ayudar a dise\u00f1ar estrategias para el tratamiento de la obesidad y las enfermedades cardiometab\u00f3licas.<\/strong><\/p>\n<p>La obesidad, la diabetes y las enfermedades cardiovasculares son patolog\u00edas cada vez m\u00e1s presentes en la poblaci\u00f3n. El tejido adiposo marr\u00f3n tiene una funci\u00f3n protectora frente a estas enfermedades tan prevalentes, ya que quema calor\u00edas y es capaz de producir calor corporal a partir de las grasas. Pero, a medida que el cuerpo envejece, la actividad del tejido adiposo pardo disminuye. Esta inactivaci\u00f3n de la funci\u00f3n del tejido adiposo marr\u00f3n \u2014tambi\u00e9n t\u00edpica de las personas obesas\u2014 todav\u00eda no ha sido estudiada ampliamente en la bibliograf\u00eda cient\u00edfica.<\/p>\n<p>\u00abAunque el problema es saber qu\u00e9 hace disminuir la actividad de la grasa marr\u00f3n, hasta ahora la investigaci\u00f3n se hab\u00eda centrado en identificar cu\u00e1les son los factores activadores de su funci\u00f3n en el organismo, pero no los factores con funci\u00f3n represora\u00bb, detalla el catedr\u00e1tico <strong>Francesc Villarroya<\/strong>, director de este estudio y miembro del Departamento de Bioqu\u00edmica y Biomedicina Molecular de la Facultad de Biolog\u00eda. \u00abAs\u00ed pues, de forma general se asum\u00eda que la baja actividad de la grasa marr\u00f3n en el envejecimiento y la obesidad podr\u00eda explicarse por qu\u00e9 sus activadores no funcionan correctamente\u00bb, explica.<\/p>\n<p>La nueva investigaci\u00f3n es el n\u00facleo de la tesis doctoral del experto <strong>Albert Blasco Roset<\/strong>, primer autor del trabajo y doctorando en la UB. Realizada con modelos animales, describe un factor represor que bloquea la actividad de la grasa marr\u00f3n: la prote\u00edna ACBP. En condiciones normales, esta prote\u00edna intervendr\u00eda cuando la actividad de la grasa marr\u00f3n no es necesaria (por ejemplo, en un ambiente c\u00e1lido). Sin embargo, esta mol\u00e9cula tambi\u00e9n estar\u00eda implicada en el envejecimiento y en el bloqueo patol\u00f3gico del tejido adiposo marr\u00f3n que favorece la obesidad.<\/p>\n<h3><strong>\u00bfPor qu\u00e9 el cambio clim\u00e1tico potencia la obesidad?<\/strong><\/h3>\n<p>La actividad de control de la prote\u00edna ACBP revela otras implicaciones biom\u00e9dicas en la lucha contra enfermedades como el c\u00e1ncer. \u00abEn algunos tipos de c\u00e1nceres, el tejido adiposo marr\u00f3n se sobreactiva de forma patol\u00f3gica y causa un gasto incontrolado de energ\u00eda metab\u00f3lica que propicia la caquexia (una extrema desnutrici\u00f3n y la atrofia muscular). En este caso, la funci\u00f3n de la prote\u00edna ACBP como factor represor podr\u00eda convertirse en una herramienta terap\u00e9utica de inter\u00e9s en los pacientes oncol\u00f3gicos\u00bb, detalla <strong>Villarroya<\/strong>.<\/p>\n<p>En otro contexto, tambi\u00e9n se sabe que el calentamiento global causado por el cambio clim\u00e1tico est\u00e1 favoreciendo los casos de obesidad, puesto que un ambiente cada vez m\u00e1s c\u00e1lido comporta un tejido adiposo marr\u00f3n inactivo. \u00abUn exceso de acci\u00f3n de la prote\u00edna ACBP que bloqueara la actividad de la grasa marr\u00f3n ser\u00eda la base molecular de este fen\u00f3meno. Una vez identificado este factor, podemos dise\u00f1ar herramientas de intervenci\u00f3n para potenciar un estilo de vida m\u00e1s saludable\u00bb, concluye el investigador.<\/p>\n<p><strong>\u00bb Art\u00edculo de referencia: <\/strong>Blasco-Roset, Albert et al. \u00abAcyl CoA-binding protein in brown adipose tissue acts as a negative regulator of adaptive thermogenesis\u00bb. Molecular Metabolism, abril de 2025.\u00a0<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2212877825000602?via%3Dihub\" target=\"_blank\" rel=\"noopener\">doi: 10.1016\/j.molmet.2025.102153<\/a>.<\/p>\n<p><strong>\u00bb Enlace a la not\u00edcia: <\/strong><a href=\"https:\/\/web.ub.edu\/es\/web\/actualitat\/w\/proteina-control-obesidad\" target=\"_blank\" rel=\"noopener\">web de la UB [+]<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un estudio de la Facultad de Biolog\u00eda y el Instituto de Biomedicina de la Universidad de Barcelona (IBUB), con sede en el Parque Cient\u00edfico de Barcelona, el Instituto de Investigaci\u00f3n&#8230;<\/p>\n","protected":false},"author":14,"featured_media":104858,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[24],"tags":[252],"class_list":["post-104861","post","type-post","status-publish","format-standard","has-post-thumbnail","category-ciencia","tag-ibub-es"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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