{"id":18416,"date":"2020-10-27T17:59:47","date_gmt":"2020-10-27T16:59:47","guid":{"rendered":"https:\/\/ellipse.prbb.org\/?p=18416"},"modified":"2020-11-03T10:48:36","modified_gmt":"2020-11-03T09:48:36","slug":"el-nucli-un-sensor-de-la-forma-de-la-cellula","status":"publish","type":"post","link":"https:\/\/ellipse.prbb.org\/ca\/el-nucli-un-sensor-de-la-forma-de-la-cellula\/","title":{"rendered":"El nucli, un sensor de la forma de la c\u00e8l\u00b7lula"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Un equip cient\u00edfic dirigit per <a rel=\"noreferrer noopener\" href=\"https:\/\/ellipse.prbb.org\/ca\/la-ciencia-requereix-multidisciplinarietat-i-internacionalitat\/\" target=\"_blank\">Verena Ruprecht<\/a> al <a rel=\"noreferrer noopener\" href=\"http:\/\/www.crg.eu\/\" target=\"_blank\">Centre de Regulaci\u00f3 Gen\u00f2mica (CRG)<\/a> ha trobat que el sentit de la <strong>propriocepci\u00f3  <\/strong>\u2013 la nostra habilitat per a percebre canvis en la postura del nostre cos o moviment &#8211; existeix tamb\u00e9 <strong>a nivell d&#8217;una \u00fanica c\u00e8l\u00b7lula<\/strong>. Els i les cient\u00edfiques <a rel=\"noreferrer noopener\" href=\"https:\/\/www.crg.eu\/en\/news\/when-feeling-pinch-nuclei-instigate-cells-escape-crowded-spaces\" target=\"_blank\">han mostrat <\/a>com funciona aquesta <strong>habilitat del nucli cel\u00b7lular d&#8217;actuar com a sensor de la forma de les c\u00e8l\u00b7lules<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En condicions normals, la membrana nuclear (en blau de la imatge) es troba afluixada, amb arruges com una bosa de pl\u00e0stic utilitzada. Com es veu en aquesta imatge de Valeria Venturini, una estudiant de doctorat amb doble afiliaci\u00f3 a l\u2019ICFO i al CRG, quan la c\u00e8l\u00b7lula es troba comprimida o aixafada, com la de la dreta en la imatge, l\u2019<strong>embolcall nuclear<\/strong> s&#8217;estira i <strong>activa una via de mecanotransducci\u00f3<\/strong> que condueix a <strong>canvis del citoesquelet cel\u00b7lular<\/strong>, que permeten a la c\u00e8l\u00b7lula escapar de l\u2019ambient atape\u00eft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El <strong>reflex s\u2019activa en menys d\u2019un minut<\/strong> i s\u2019inverteix quan les c\u00e8l\u00b7lules s\u2019han escapat. \u00abComprendre aquesta capacitat per detectar deformacions, mesurar-la i reaccionar en conseq\u00fc\u00e8ncia pot tenir importants implicacions en la comprensi\u00f3 de processos com el creixement del <a href=\"https:\/\/ellipse.prbb.org\/ca\/cancer-un-problema-de-frens-i-acceleradors\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e0ncer <\/a>i l&#8217;home\u00f2stasi\u00bb, diu Venturini.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un equip cient\u00edfic dirigit per Verena Ruprecht al Centre de Regulaci\u00f3 Gen\u00f2mica (CRG) ha trobat que el sentit de la propriocepci\u00f3 \u2013 la nostra habilitat per a percebre canvis en la postura del nostre cos o moviment &#8211; existeix tamb\u00e9 a nivell d&#8217;una \u00fanica c\u00e8l\u00b7lula. Els i les cient\u00edfiques han mostrat com funciona aquesta habilitat [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":18411,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[269,265],"new-type":[40],"class_list":["post-18416","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recerca","tag-biologia-cellular","tag-crg-ca","new-type-foto-de-la-setmana"],"acf":[],"_links":{"self":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/18416","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=18416"}],"version-history":[{"count":8,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/18416\/revisions"}],"predecessor-version":[{"id":18622,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/18416\/revisions\/18622"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media\/18411"}],"wp:attachment":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media?parent=18416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/categories?post=18416"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/tags?post=18416"},{"taxonomy":"new-type","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/new-type?post=18416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}