{"id":45051,"date":"2020-12-03T03:30:15","date_gmt":"2020-12-03T02:30:15","guid":{"rendered":"https:\/\/rina.naturopatiadigital.eu\/?p=45051"},"modified":"2020-12-05T21:21:47","modified_gmt":"2020-12-05T20:21:47","slug":"area-de-conocimiento-naturopatia-descriptiva-termorregulacion-por-frio-y-envejecimiento-biologico","status":"publish","type":"post","link":"https:\/\/rina.naturopatiadigital.eu\/?p=45051","title":{"rendered":"\u00c1rea de conocimiento: Naturopat\u00eda Descriptiva \u00abTermorregulaci\u00f3n por fr\u00edo y envejecimiento biol\u00f3gico\u00bb"},"content":{"rendered":"<p><a href=\"https:\/\/1.bp.blogspot.com\/-1lVZRdBwMFQ\/X8vrbCGFssI\/AAAAAAAAhAg\/88j_DuDtYjoy8SxvDj1TOt55cmZkeV09gCLcBGAsYHQ\/s341\/Physiological_Reviews.gif\"><img decoding=\"async\" class=\"alignleft\" src=\"https:\/\/1.bp.blogspot.com\/-1lVZRdBwMFQ\/X8vrbCGFssI\/AAAAAAAAhAg\/88j_DuDtYjoy8SxvDj1TOt55cmZkeV09gCLcBGAsYHQ\/s320\/Physiological_Reviews.gif\" height=\"320\" border=\"0\" data-original-height=\"341\" data-original-width=\"263\" \/><\/a>Florez-Duquet, M., &amp; McDonald, R. B. (1998). Cold-induced thermoregulation and biological aging.\u00a0<i>Physiological Reviews<\/i>. 78.<\/p>\n<p>El envejecimiento se asocia con una disminuci\u00f3n de la termorregulaci\u00f3n inducida por el fr\u00edo (CIT). Los mecanismos que explican este fen\u00f3meno a\u00fan no se han aclarado claramente, pero lo m\u00e1s probable es que reflejen una combinaci\u00f3n de mayor p\u00e9rdida de calor y disminuci\u00f3n de la producci\u00f3n de calor metab\u00f3lico. La incapacidad del anciano para reducir la p\u00e9rdida de calor durante la exposici\u00f3n al fr\u00edo se asocia con una disminuci\u00f3n del tono reactivo de la vasculatura cut\u00e1nea y, en menor grado, alteraciones en las propiedades aislantes de la grasa corporal. La producci\u00f3n de calor metab\u00f3lico inducida por el fr\u00edo a trav\u00e9s de la termog\u00e9nesis escalofriante del m\u00fasculo esquel\u00e9tico y la termog\u00e9nesis sin escalofr\u00edos del tejido adiposo marr\u00f3n parece disminuir con la edad.<\/p>\n<p>Pocas investigaciones han relacionado directamente la disminuci\u00f3n de la termog\u00e9nesis de los temblores del m\u00fasculo esquel\u00e9tico con la reducci\u00f3n relacionada con la edad en la capacidad termorreguladora inducida por el fr\u00edo. M\u00e1s bien, las disminuciones relacionadas con la edad en la masa del m\u00fasculo esquel\u00e9tico y la actividad metab\u00f3lica se citan como evidencia de una disminuci\u00f3n en la producci\u00f3n de calor a trav\u00e9s de los escalofr\u00edos. La masa reducida, la uni\u00f3n de GDP a las mitocondrias de grasa parda y los niveles de prote\u00edna desacoplante (UCP) se citan como evidencia de la capacidad termog\u00e9nica no temblorosa inducida por fr\u00edo del tejido adiposo pardo atenuada durante el envejecimiento. La reducci\u00f3n relacionada con la edad en la capacidad termog\u00e9nica no temblorosa de la grasa parda probablemente refleja una transducci\u00f3n de se\u00f1ales celulares alterada m\u00e1s que cambios en la se\u00f1alizaci\u00f3n neuronal y hormonal.<\/p>\n<p>La discusi\u00f3n en esta revisi\u00f3n se centra en c\u00f3mo las alteraciones en el CIT durante la vida pueden ofrecer informaci\u00f3n sobre los posibles mecanismos del envejecimiento biol\u00f3gico. Aunque la preponderancia de la evidencia presentada aqu\u00ed demuestra que la CIT disminuye con el tiempo cronol\u00f3gico, el mecanismo que refleja esta funci\u00f3n atenuada queda por dilucidar. La imposibilidad de sacar conclusiones definitivas sobre el envejecimiento biol\u00f3gico y el TIC refleja la falta de una definici\u00f3n clara de envejecimiento. Es poco probable que se determinen los mecanismos que explican la disminuci\u00f3n de la termorregulaci\u00f3n inducida por el fr\u00edo durante el envejecimiento hasta que el envejecimiento biol\u00f3gico se defina con mayor precisi\u00f3n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Florez-Duquet, M., &amp; McDonald, R. B. (1998). Cold-induced thermoregulation and biological aging.\u00a0Physiological Reviews. 78. El envejecimiento se asocia con una disminuci\u00f3n de la termorregulaci\u00f3n inducida por el fr\u00edo (CIT). Los mecanismos que explican este fen\u00f3meno a\u00fan no se han aclarado claramente, pero lo m\u00e1s probable es que reflejen una combinaci\u00f3n de mayor p\u00e9rdida de calor [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-45051","post","type-post","status-publish","format-standard","hentry","category-naturopatia-descriptiva"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c1rea de conocimiento: Naturopat\u00eda Descriptiva &quot;Termorregulaci\u00f3n por fr\u00edo y envejecimiento biol\u00f3gico&quot; -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rina.naturopatiadigital.eu\/?p=45051\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c1rea de conocimiento: Naturopat\u00eda Descriptiva &quot;Termorregulaci\u00f3n por fr\u00edo y envejecimiento biol\u00f3gico&quot; -\" \/>\n<meta property=\"og:description\" content=\"Florez-Duquet, M., &amp; McDonald, R. 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Los mecanismos que explican este fen\u00f3meno a\u00fan no se han aclarado claramente, pero lo m\u00e1s probable es que reflejen una combinaci\u00f3n de mayor p\u00e9rdida de calor [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rina.naturopatiadigital.eu\/?p=45051\" \/>\n<meta property=\"article:published_time\" content=\"2020-12-03T02:30:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-12-05T20:21:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/1.bp.blogspot.com\/-1lVZRdBwMFQ\/X8vrbCGFssI\/AAAAAAAAhAg\/88j_DuDtYjoy8SxvDj1TOt55cmZkeV09gCLcBGAsYHQ\/s320\/Physiological_Reviews.gif\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" 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