{"id":34872,"date":"2023-01-30T09:41:11","date_gmt":"2023-01-30T08:41:11","guid":{"rendered":"https:\/\/ellipse.prbb.org\/?p=34872"},"modified":"2023-01-30T09:39:32","modified_gmt":"2023-01-30T08:39:32","slug":"vida-sana-cervell-jove-lenvelliment-no-depen-nomes-de-ledat","status":"publish","type":"post","link":"https:\/\/ellipse.prbb.org\/ca\/vida-sana-cervell-jove-lenvelliment-no-depen-nomes-de-ledat\/","title":{"rendered":"Vida sana, cervell jove: l&#8217;envelliment no dep\u00e9n nom\u00e9s de l&#8217;edat"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Malgrat que acostumem a guiar-nos per l\u2019edat cronol\u00f2gica, la data de naixement, aquesta no t\u00e9 perqu\u00e8 concordar amb l\u2019<strong>edat biol\u00f2gica<\/strong>, que es mesura a partir dels nivells de metilaci\u00f3 de l&#8217;ADN i que veu molt influenciada pels <strong>h\u00e0bits de vida<\/strong>. Ara, <a rel=\"noopener noreferrer\" href=\"https:\/\/www.imim.cat\/noticies\/1147\/nova-investigacio-desvetlla-la-relacio-entre-ledat-biologica-i-lenvelliment-cerebral\" target=\"_blank\">un estudi<\/a> de l\u2019<a rel=\"noopener noreferrer\" href=\"https:\/\/www.imim.cat\/ca_index.html\" target=\"_blank\">Institut Hospital del Mar d\u2019Investigacions M\u00e8diques (IMIM)<\/a> mostra una clara <strong>relaci\u00f3 entre l\u2019edat biol\u00f2gica <\/strong>i la manifestaci\u00f3 d\u2019hiperintensitats de la subst\u00e0ncia blanca, un tipus de <a rel=\"noopener noreferrer\" href=\"https:\/\/ellipse.prbb.org\/ca\/deixar-de-sentir-dolor-durant-lanestesia\/\" target=\"_blank\">lesions cerebrals<\/a> que indiquen <strong>envelliment cerebral<\/strong>.<\/p>\n\n\n\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u201cUna bona part de l\u2019efecte del pas dels anys sobre el nostre cervell no ve donat nom\u00e9s per l\u2019edat cronol\u00f2gica, sin\u00f3 per l\u2019edat biol\u00f2gica\u201d <br><strong>Jordi Jim\u00e9nez-Conde, <\/strong>Hospital del Mar<\/p><\/blockquote>\n\n\n\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\">Per a realitzar l\u2019estudi es va sotmetre <strong>247 pacients <\/strong>que havien patit un ictus a <a href=\"https:\/\/ellipse.prbb.org\/ca\/deixar-de-sentir-dolor-durant-lanestesia\/\" target=\"_blank\" rel=\"noopener noreferrer\">resson\u00e0ncies magn\u00e8tiques<\/a> i se\u2019ls va realitzar una <a href=\"https:\/\/ellipse.prbb.org\/ca\/quatre-biomarcadors-per-a-diagnosticar-alzheimer-en-la-practica-clinica-diaria\/\" target=\"_blank\" rel=\"noopener noreferrer\">an\u00e0lisi de sang<\/a>. Amb la primera prova es va poder calcular el volum de les <strong>hiperintensitats de la subst\u00e0ncia blanca<\/strong>, zones del cervell on la <strong>sang arriba amb problemes<\/strong>. I amb la segona, es va analitzar el nivell de <a href=\"https:\/\/ellipse.prbb.org\/ca\/epigenetica-mes-enlla-dels-gens\/\" target=\"_blank\" rel=\"noopener noreferrer\">metilaci\u00f3 de l\u2019ADN<\/a>, que es veu modificat segons factors externs, com els h\u00e0bits de vida. Els resultats van mostrar que un <strong>42,7% de l\u2019envelliment cerebral s\u2019explica per l\u2019edat biol\u00f2gica<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Joan Jim\u00e9nez-Balado<\/strong>, investigador postdoctoral a l\u2019IMIM i autor de l\u2019estudi, explica que cal \u201cseguir estudiant l\u2019efecte de la gen\u00e8tica sobre aquestes lesions del cervell per a entendre millor els mecanismes biol\u00f2gics que participen en l&#8217;envelliment cerebral\u201d. Encara que les hiperintensitats de la subst\u00e0ncia blanca s\u00f3n irreversibles i el seu volum creix amb l\u2019edat, <strong>fer canvis en els h\u00e0bits de vida <\/strong>podria <strong>frenar l\u2019envelliment del cervell<\/strong>.<\/p>\n\n\n\n<div style=\"height:46px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Un estudi de l\u2019IMIM i l\u2019Hospital del Mar observa que una major edat biol\u00f2gic, que dep\u00e8n dels h\u00e0bits de vida, comporta m\u00e9s envelliment del cervell. <\/p>\n","protected":false},"author":29,"featured_media":34835,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[263,451,213,527],"new-type":[35],"class_list":["post-34872","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recerca","tag-cervell","tag-hospital-del-mar-ca","tag-imim","tag-vida-saludable-ca","new-type-noticies"],"acf":[],"_links":{"self":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/34872","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/users\/29"}],"replies":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/comments?post=34872"}],"version-history":[{"count":7,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/34872\/revisions"}],"predecessor-version":[{"id":34886,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/34872\/revisions\/34886"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media\/34835"}],"wp:attachment":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media?parent=34872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/categories?post=34872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/tags?post=34872"},{"taxonomy":"new-type","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/new-type?post=34872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}