{"id":22453,"date":"2021-05-17T09:56:00","date_gmt":"2021-05-17T07:56:00","guid":{"rendered":"https:\/\/ellipse.prbb.org\/?p=22453"},"modified":"2021-05-25T12:16:35","modified_gmt":"2021-05-25T10:16:35","slug":"lenvelliment-podria-influir-negativament-en-els-passos-finals-del-desenvolupament-dels-ovuls","status":"publish","type":"post","link":"https:\/\/ellipse.prbb.org\/ca\/lenvelliment-podria-influir-negativament-en-els-passos-finals-del-desenvolupament-dels-ovuls\/","title":{"rendered":"L&#8217;envelliment podria influir negativament en els passos finals del desenvolupament dels \u00f2vuls"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Un <a rel=\"noreferrer noopener\" href=\"https:\/\/www.crg.eu\/en\/news\/ageing-impairs-critical-final-egg-maturation-stage#2\" target=\"_blank\">estudi <\/a>col\u00b7laboratiu entre grups del <a rel=\"noreferrer noopener\" href=\"http:\/\/www.crg.eu\/\" target=\"_blank\">Centre de Regulaci\u00f3 Gen\u00f2mica (CRG)<\/a>, el <a rel=\"noreferrer noopener\" href=\"https:\/\/www.cnag.crg.eu\/\" target=\"_blank\">Centre Nacional d&#8217;An\u00e0lisi Gen\u00f2mica (CNAG)<\/a> i la <em>Cl\u00ednica Eugin<\/em> ha demostrat que <a rel=\"noreferrer noopener\" href=\"https:\/\/ellipse.prbb.org\/ca\/de-lalzheimer-al-cannabis-activitats-de-la-setmana-mundial-del-cervell\/\" target=\"_blank\">l&#8217;envelliment <\/a><strong>altera els nivells <a rel=\"noreferrer noopener\" href=\"https:\/\/ellipse.prbb.org\/ca\/descoberta-una-possible-diana-terapeutica-per-la-malaltia-de-huntington\/\" target=\"_blank\">d&#8217;ARN <\/a>dels \u00f2vuls<\/strong>, influint en l&#8217;activitat d&#8217;alguns <strong>gens clau de la seva maduraci\u00f3<\/strong> i <strong>comprometent aix\u00ed les etapes finals<\/strong> d&#8217;aquest proc\u00e9s. El pas final d&#8217;aquesta maduraci\u00f3 \u00e9s \u00abfonamental per a la reproducci\u00f3, ja que proporciona el material que els nous embrions necessiten per desenvolupar-se amb normalitat i sobreviure\u00bb, diu el l\u00edder de l&#8217;estudi, <a href=\"https:\/\/ellipse.prbb.org\/ca\/a-la-recerca-academica-fas-el-que-testimula-no-el-que-et-diuen\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Bernhard Payer<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les i els investigadors han <strong>seq\u00fcenciat el <\/strong><a href=\"https:\/\/ellipse.prbb.org\/ca\/caracteritzades-les-diferencies-sexuals-en-el-transcriptoma-huma\/\"><strong>transcriptoma<\/strong> <\/a>(el conjunt de mol\u00e8cules d&#8217;ARN) de <strong>72 ov\u00f2cits de 37 donants d&#8217;entre 18 i 43 anys<\/strong>, i els resultats suggereixen que pot haver-hi una <strong>p\u00e8rdua de capacitat<\/strong> dels ov\u00f2cits per processar determinats productes g\u00e8nics clau, o b\u00e9 una alteraci\u00f3 en l&#8217;activitat de diversos <strong><a href=\"https:\/\/ellipse.prbb.org\/ca\/no-es-colesterol-bo-tot-el-que-lluu\/\">gens <\/a>reguladors<\/strong>.<\/p>\n\n\n\n<div style=\"height:30px\" 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>\u00abAquest estudi \u00e9s un gran exemple del poder de la ci\u00e8ncia interdisciplin\u00e0ria. Unir l\u2019experi\u00e8ncia cl\u00ednica amb la t\u00e8cnica de \u00abprofiling\u00bb cel\u00b7lular d\u2019alta resoluci\u00f3 i la biologia computacional avan\u00e7ada ha estat clau per a l\u2019\u00e8xit de l\u2019estudi\u00bb.<br><strong>Holger Heyn<\/strong>, l\u00edder de grup del CNAG-CRG, co-autor de l&#8217;estudi.<\/p><\/blockquote>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Aquests resultats, comenten els autors, podrien suposar el primer pas per a la millora de les <strong>t\u00e8cniques de <a href=\"https:\/\/ellipse.prbb.org\/ca\/sumar-esforcos-per-a-diagnosticar-les-malalties-minoritaries\/\" target=\"_blank\" rel=\"noreferrer noopener\">diagn\u00f2stic <\/a>per a avaluar la qualitat dels ov\u00f2cits<\/strong> en medicina reproductiva i fins i tot per al desenvolupament de possibles <strong>tractaments per al rejoveniment<\/strong> d&#8217;aquests.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Un estudi en el qual han col\u00b7laborat el CRG i el CNAG ha seq\u00fcenciat l&#8217;ARN dels ov\u00f2cits per entendre quins gens es veuen afectats per l&#8217;edat.<\/p>\n","protected":false},"author":9,"featured_media":22556,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[555,265,517,717,706,654],"new-type":[35],"class_list":["post-22453","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recerca","tag-arn","tag-crg-ca","tag-embaras","tag-envelliment","tag-genomica","tag-sequenciacio","new-type-noticies"],"acf":[],"_links":{"self":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/22453","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\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/comments?post=22453"}],"version-history":[{"count":12,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/22453\/revisions"}],"predecessor-version":[{"id":22946,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/22453\/revisions\/22946"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media\/22556"}],"wp:attachment":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media?parent=22453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/categories?post=22453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/tags?post=22453"},{"taxonomy":"new-type","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/new-type?post=22453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}