{"id":2922024,"date":"2021-04-15T13:33:09","date_gmt":"2021-04-15T20:33:09","guid":{"rendered":"https:\/\/agpnoticias.com\/news\/?p=2922024"},"modified":"2021-04-15T13:33:12","modified_gmt":"2021-04-15T20:33:12","slug":"cuales-son-las-tres-edades-claves-del-envejecimiento-estudio-responde","status":"publish","type":"post","link":"https:\/\/agpnoticias.com\/news\/?p=2922024","title":{"rendered":"\u00bfCu\u00e1les son las tres edades claves del envejecimiento? Estudio responde"},"content":{"rendered":"\n<p>\u201c\u00bfDe cu\u00e1ntos me veo?\u201d, esa suele ser una pregunta t\u00edpica para tratar de adivinar la edad de una persona; sin embargo, un equipo de\u00a0<strong>cient\u00edficos,<\/strong>\u00a0m\u00e1s all\u00e1 de la apariencia f\u00edsica, encontr\u00f3 en la\u00a0<strong>sangre<\/strong>\u00a0el veh\u00edculo perfecto para saberlo, lo cual tambi\u00e9n ayud\u00f3 a determinar que el\u00a0<strong>envejecimiento\u00a0biol\u00f3gico<\/strong>\u00a0tiene\u00a0<strong>tres edades claves<\/strong>: a los 34, 60 y 78 a\u00f1os.<\/p>\n<p>De acuerdo a un\u00a0<a href=\"https:\/\/www.nature.com\/articles\/s41591-019-0673-2\" target=\"_blank\" rel=\"noopener\">estudio publicado en 2019 en la revista\u00a0<strong>Nature Medicine<\/strong><\/a>\u00a0y realizado por cient\u00edficos de la\u00a0<strong>Universidad de Stanford,<\/strong>\u00a0el\u00a0<strong>envejecimiento<\/strong>\u00a0no se puede entender como un proceso largo y continuo que siempre se mueve a la misma velocidad. En realidad se puede establecer como una\u00a0<strong>trayectoria espasm\u00f3dica<\/strong>\u00a0con tres puntos de inflexi\u00f3n, mismos que ocurren en promedio en las edades de 34, 60 y 78 a\u00f1os<\/p>\n<p>Para llegar a estas conclusiones, los<strong>\u00a0investigadores analizaron tres mil prote\u00ednas que se encuentran en cada plasma sangu\u00edneo<\/strong>\u00a0de cuatro mil 263 personas entre\u00a0<strong>18<\/strong>\u00a0y\u00a0<strong>95 a\u00f1os,<\/strong>\u00a0encontrando que los niveles de\u00a0<strong>mil 379 de estas prote\u00ednas variaron significativamente con la edad<\/strong>\u00a0de los participantes, por lo que en realidad solo 373 de las prote\u00ednas del plasma son suficientes para predecir la edad de los participantes.<\/p>\n<p><iframe class=\"i-amphtml-fill-content\" title=\"Advertisement\" src=\"https:\/\/d-3395428103905196029.ampproject.net\/2104022034000\/frame.html\" name=\"{&quot;host&quot;:&quot;d-3395428103905196029.ampproject.net&quot;,&quot;bootstrap&quot;:&quot;https:\/\/3p.ampproject.net\/2104022034000\/f.js&quot;,&quot;type&quot;:&quot;teads&quot;,&quot;count&quot;:1,&quot;attributes&quot;:{&quot;pid&quot;:&quot;114834&quot;,&quot;ampSlotIndex&quot;:&quot;1&quot;,&quot;width&quot;:300,&quot;height&quot;:1,&quot;_context&quot;:{&quot;ampcontextVersion&quot;:&quot;2104022034000&quot;,&quot;ampcontextFilepath&quot;:&quot;https:\/\/3p.ampproject.net\/2104022034000\/ampcontext-v0.js&quot;,&quot;sourceUrl&quot;:&quot;https:\/\/noticieros.televisa.com\/historia\/cuales-son-las-tres-edades-claves-del-envejecimiento-humano-estudio-responde\/?utm_source=push&amp;utm_medium=other&amp;utm_campaign=web&quot;,&quot;referrer&quot;:&quot;https:\/\/noticieros.televisa.com\/push\/OneSignalSDKWorker.js?appId=8c74b2bb-3665-4ecf-a295-30be9c20e11f&quot;,&quot;canonicalUrl&quot;:&quot;https:\/\/noticieros.televisa.com\/historia\/cuales-son-las-tres-edades-claves-del-envejecimiento-humano-estudio-responde\/&quot;,&quot;pageViewId&quot;:&quot;5466&quot;,&quot;location&quot;:{&quot;href&quot;:&quot;https:\/\/noticieros.televisa.com\/historia\/cuales-son-las-tres-edades-claves-del-envejecimiento-humano-estudio-responde\/?utm_source=push&amp;utm_medium=other&amp;utm_campaign=web&quot;},&quot;startTime&quot;:1618518524927,&quot;tagName&quot;:&quot;AMP-AD&quot;,&quot;mode&quot;:{&quot;localDev&quot;:false,&quot;development&quot;:false,&quot;esm&quot;:false,&quot;minified&quot;:true,&quot;lite&quot;:false,&quot;test&quot;:false,&quot;version&quot;:&quot;2104022034000&quot;,&quot;rtvVersion&quot;:&quot;012104022034000&quot;},&quot;canary&quot;:false,&quot;hidden&quot;:false,&quot;initialLayoutRect&quot;:{&quot;left&quot;:375,&quot;top&quot;:2086,&quot;width&quot;:600,&quot;height&quot;:2},&quot;domFingerprint&quot;:&quot;2752257370&quot;,&quot;experimentToggles&quot;:{&quot;canary&quot;:false,&quot;a4aProfilingRate&quot;:false,&quot;adsense-ad-size-optimization&quot;:true,&quot;amp-accordion-display-locking&quot;:true,&quot;doubleclickSraExp&quot;:false,&quot;doubleclickSraReportExcludedBlock&quot;:false,&quot;expand-json-targeting&quot;:true,&quot;flexAdSlots&quot;:false,&quot;ios-fixed-no-transfer&quot;:false,&quot;visibility-trigger-improvements&quot;:true,&quot;layout-aspect-ratio-css&quot;:false,&quot;sticky-ad-transition&quot;:false,&quot;disable-a4a-non-sd&quot;:true,&quot;tcf-post-message-proxy-api&quot;:true,&quot;amp-consent-granular-consent&quot;:true,&quot;amp-cid-backup&quot;:true,&quot;3p-vendor-split&quot;:false,&quot;story-ad-placements&quot;:false},&quot;sentinel&quot;:&quot;0-26366373391525916100&quot;,&quot;clientId&quot;:null,&quot;container&quot;:null,&quot;initialConsentState&quot;:null,&quot;consentSharedData&quot;:null,&quot;initialConsentValue&quot;:null,&quot;initialConsentMetadata&quot;:null,&quot;initialIntersection&quot;:{&quot;time&quot;:12857.229999965057,&quot;rootBounds&quot;:{&quot;left&quot;:0,&quot;top&quot;:0,&quot;width&quot;:1366,&quot;height&quot;:657,&quot;bottom&quot;:657,&quot;right&quot;:1366,&quot;x&quot;:0,&quot;y&quot;:0},&quot;boundingClientRect&quot;:{&quot;left&quot;:375,&quot;top&quot;:1689,&quot;width&quot;:600,&quot;height&quot;:2,&quot;bottom&quot;:1691,&quot;right&quot;:975,&quot;x&quot;:375,&quot;y&quot;:1689},&quot;intersectionRect&quot;:{&quot;left&quot;:0,&quot;top&quot;:0,&quot;width&quot;:0,&quot;height&quot;:0,&quot;bottom&quot;:0,&quot;right&quot;:0,&quot;x&quot;:0,&quot;y&quot;:0},&quot;intersectionRatio&quot;:0}},&quot;type&quot;:&quot;teads&quot;}}\" width=\"300\" height=\"1\" scrolling=\"no\" sandbox=\"allow-top-navigation-by-user-activation allow-popups-to-escape-sandbox allow-forms allow-modals allow-pointer-lock allow-popups allow-same-origin allow-scripts\" data-amp-3p-sentinel=\"0-26366373391525916100\" data-mce-fragment=\"1\"><\/iframe><\/p>\n<p>Seg\u00fan establece la investigaci\u00f3n, los niveles de muchas\u00a0<strong>prote\u00ednas<\/strong>\u00a0permanecen constantes por un tiempo y, de un momento a otro,\u00a0<strong>experimentan cambios repentinos,<\/strong>\u00a0que se agrupan en tres puntos: la\u00a0<strong>edad adulta joven, la mediana edad avanzada y la vejez.<\/strong><\/p>\n<blockquote>\n<p>\u201cLas prote\u00ednas son los caballos de batalla de las c\u00e9lulas constituyentes del cuerpo y, cuando sus niveles relativos experimentan cambios sustanciales, significa que las personas tambi\u00e9n han cambiado\u201d,\u00a0<a href=\"http:\/\/med.stanford.edu\/news\/all-news\/2019\/12\/stanford-scientists-reliably-predict-peoples-age-by-measuring-pr.html\" target=\"_blank\" rel=\"noopener\">mencion\u00f3 Tony Wyss-Coray<\/a>, profesor de neurolog\u00eda y ciencias neurol\u00f3gicas y parte del equipo de investigadores de la Universidad de Stanford.<\/p>\n<\/blockquote>\n<p>Este estudio tambi\u00e9n sirvi\u00f3 para reforzar el hecho de que los\u00a0<strong>hombres y mujeres envejecen de manera diferente.<\/strong>\u00a0El an\u00e1lisis arroj\u00f3 que 895 prote\u00ednas, casi dos tercios de las mil 379, que cambiaban con la edad fueron significativamente m\u00e1s predictivas para un sexo que para el otro.<\/p>\n<p>\u201cLas diferencias fueron sorprendentes\u201d, mencion\u00f3 Wyss-Coray, quien tambi\u00e9n se\u00f1al\u00f3 que este hallazgo respalda la mayor inclusi\u00f3n de las mujeres en los ensayos cl\u00ednicos y la demarcaci\u00f3n del sexo como una variable bil\u00f3gica.<\/p>\n<ul class=\"share_buttons_container\">\n<li>\u00a0<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":2922025,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2922024","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/agpnoticias.com\/news\/index.php?rest_route=\/wp\/v2\/posts\/2922024","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agpnoticias.com\/news\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agpnoticias.com\/news\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agpnoticias.com\/news\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agpnoticias.com\/news\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2922024"}],"version-history":[{"count":1,"href":"https:\/\/agpnoticias.com\/news\/index.php?rest_route=\/wp\/v2\/posts\/2922024\/revisions"}],"predecessor-version":[{"id":2922026,"href":"https:\/\/agpnoticias.com\/news\/index.php?rest_route=\/wp\/v2\/posts\/2922024\/revisions\/2922026"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agpnoticias.com\/news\/index.php?rest_route=\/wp\/v2\/media\/2922025"}],"wp:attachment":[{"href":"https:\/\/agpnoticias.com\/news\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2922024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agpnoticias.com\/news\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2922024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agpnoticias.com\/news\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2922024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}