{"id":17430,"date":"2020-08-22T22:25:40","date_gmt":"2020-08-22T20:25:40","guid":{"rendered":"https:\/\/ellipse.prbb.org\/?p=17430"},"modified":"2020-09-14T21:20:58","modified_gmt":"2020-09-14T19:20:58","slug":"descubreixen-un-mecanisme-que-explica-la-resiliencia-dels-embrions","status":"publish","type":"post","link":"https:\/\/ellipse.prbb.org\/ca\/descubreixen-un-mecanisme-que-explica-la-resiliencia-dels-embrions\/","title":{"rendered":"Descobreixen un mecanisme que explica la resili\u00e8ncia dels embrions"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">L&#8217;embri\u00f3 mam\u00edfer \u00e9s un sistema autoorganitzat que pot desenvolupar-se de forma robusta i reprodu\u00efble sense necessitat de senyals externs, i que tamb\u00e9 es pot recuperar despr\u00e9s d&#8217;una lesi\u00f3. <a href=\"https:\/\/www.upf.edu\/web\/biomed\/inici\/-\/asset_publisher\/Us0jfwFAevmx\/content\/id\/236674714\/maximized#.XzxnSugzbIU\" target=\"_blank\" rel=\"noreferrer noopener\">Aix\u00ed ho il\u00b7lustra un treball recent <\/a>codirigit per <strong>Jordi Ojalvo <\/strong>en el <a rel=\"noreferrer noopener\" href=\"https:\/\/www.upf.edu\/web\/biomed\" target=\"_blank\">Departament de Ci\u00e8ncies Experimentals i de la Salut, Universitat Pompeu Fabra (DCEXS-UPF)<\/a> <strong>Anna-Katerina Hadjantonakis <\/strong>del Memorial Sloan-Kettering Cancer Center de Nova York.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Utilitzant <strong>embrions de ratol\u00ed<\/strong>, els cient\u00edfics <strong>han afegit c\u00e8l\u00b7lules<\/strong> (implantant c\u00e8l\u00b7lules mare)<strong> o les han eliminat<\/strong> (per ablaci\u00f3 l\u00e0ser). <strong>Els embrions van respondre canviant el dest\u00ed de les c\u00e8l\u00b7lules progenitores <\/strong>de manera que es restaur\u00e9s el balan\u00e7 de tipus cel\u00b7lulars necessaris per a un correcte desenvolupament.<\/p>\n\n\n\n<div style=\"height:20px\" 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>L&#8217;equip ha descobert com els embrions controlen la seva mida i mantenen l&#8217;equilibri entre els diferents teixits cel\u00b7lulars en les primeres etapes del desenvolupament.<\/p><\/blockquote>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u00abUtilitzant un model matem\u00e0tic, hem proposat el mecanisme molecular que fa que l&#8217;embri\u00f3 sigui tan robust, i hem identificat un factor de creixement, <strong>FGF4<\/strong>, que \u00e9s clau en aquest proc\u00e9s\u00bb, diu Ojalvo.<\/p>\n\n\n\n<div style=\"height:76px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Dos equips cient\u00edfics aporten dades sobre com els embrions de mam\u00edfer aconsegueixen convertir-se en organismes viables, fins i tot en les condicions molt variables que es troben durant l&#8217;embar\u00e0s.<\/p>\n","protected":false},"author":6,"featured_media":17420,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[277,686,273,221],"new-type":[35],"class_list":["post-17430","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recerca","tag-desenvolupament","tag-embrio","tag-melis-upf-ca","tag-ratoli","new-type-noticies"],"acf":[],"_links":{"self":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/17430","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/comments?post=17430"}],"version-history":[{"count":6,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/17430\/revisions"}],"predecessor-version":[{"id":17576,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/17430\/revisions\/17576"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media\/17420"}],"wp:attachment":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media?parent=17430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/categories?post=17430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/tags?post=17430"},{"taxonomy":"new-type","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/new-type?post=17430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}