
{"id":7361,"date":"2013-05-16T09:48:29","date_gmt":"2013-05-16T09:48:29","guid":{"rendered":"http:\/\/ibecbarcelona.eu\/new\/nous-avencos-en-la-mielinitzacio-i-possibles-terapies-per-lesclerosi-multiple\/"},"modified":"2015-01-08T10:11:18","modified_gmt":"2015-01-08T10:11:18","slug":"nous-avencos-en-la-mielinitzacio-i-possibles-terapies-per-lesclerosi-multiple","status":"publish","type":"post","link":"https:\/\/ibecbarcelona.eu\/ca\/nous-avencos-en-la-mielinitzacio-i-possibles-terapies-per-lesclerosi-multiple\/","title":{"rendered":"Nous aven\u00e7os en la mielinitzaci\u00f3 i possibles ter\u00e0pies per l&#8217;esclerosi m\u00faltiple"},"content":{"rendered":"<p>Ana Bribi\u00e1n, que va dur a terme l&#8217;estudi mentre treballava al grup de Neurobiotecnologia Molecular i Cel\u00b7lular de l&#8217;IBEC, i els seus nous col\u00b7legues a l&#8217;Hospital Nacional de Parapl\u00e9jicos de Toledo han esclarit el paper que juga un enzim en la regulaci\u00f3 de les c\u00e8l\u00b7lules indispensables per evitar l&#8217;esclerosi m\u00faltiple.<\/p>\n<p>Les c\u00e8l\u00b7lules precursores d&#8217;oligodendrocits (OPCs) del sistema nervi\u00f3s central es diferencien en oligodendrocits, que produeixen mielina per protegir i a\u00efllar les c\u00e8l\u00b7lules nervioses llargues del cervell i la medul\u00b7la espinal. L&#8217;esclerosi m\u00faltiple \u00e9s una malaltia desmielinitzant, \u00e9s a dir, una malaltia causada per la degradaci\u00f3 de la mielina al sistema nervi\u00f3s central.<\/p>\n<p>Quan passa aix\u00f2, el sistema nervi\u00f3s central reacciona fent proliferar OPCs adultes, que representen un 5-7% del nombre total de c\u00e8l\u00b7lules al cervell adult, per tal de remielinitzar. Aix\u00ed i tot, diversos factors afecten la producci\u00f3 i la diferenciaci\u00f3 d&#8217;aquestes OPCs, entre ells l&#8217;enzim PDE7, que dificulta la seva proliferaci\u00f3, diferenciaci\u00f3 i superviv\u00e8ncia. <\/p>\n<p>Els investigadors van descobrir dos nous inhibidors pel PDE7 que, un cop aplicats, redu\u00efen la r\u00e0tio de mortandat de les OPCs i accelerava la seva transformaci\u00f3 en oligodendrocits que podrien realitzar el proc\u00e9s de remielinitzaci\u00f3. &#8220;Les nostres troballes mostren nous rols de la PDE7 en la regulaci\u00f3 de la superviv\u00e8ncia i la diferenciaci\u00f3 de les OPCs, al llarg del desenvolupament del cervell i a l&#8217;adultesa,&#8221; diu l&#8217;Ana, que va ser postdoc al grup de Jos\u00e9 Antonio del R\u00edo fins abril d&#8217;enguany. &#8220;Aix\u00f2 pot portar a comprendre millor la mielinitzaci\u00f3 i ajudar a desenvolupar estrat\u00e8gies terap\u00e8utiques de remielinitzaci\u00f3 per al tractament de l&#8217;esclerosi m\u00faltiple&#8221;.<\/p>\n<p>&#8211;<\/p>\n<p>Medina-Rodr\u00edguez EM, Arenzana FJ, Pastor J, Redondo M, Palomo V, Garc\u00eda de Sola R, Gil C, Mart\u00ednez A, Bribi\u00e1n A, de Castro F. (2013). <a href=\"http:\/\/link.springer.com\/article\/10.1007%2Fs00018-013-1340-2#page-1\" target=\"_blank\">Inhibition of endogenous phosphodiesterase 7 promotes oligodendrocyte precursor differentiation and survival<\/a>. Cell Mol Life Sci<\/p>\n","protected":false},"excerpt":{"rendered":"<h3>La investigaci\u00f3 realitzada a l&#8217;IBEC, publicada a la revista <em>Cell. Mol. Life Sci<\/em>. la setmana passada, d\u00f3na una nova i esperan\u00e7adora pista per a entendre les malalties neurodegeneratives com l&#8217;esclerosi m\u00faltiple.<\/h3>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96],"tags":[],"post_formats":[],"class_list":["post-7361","post","type-post","status-publish","format-standard","hentry","category-noticies-de-recerca"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nous aven\u00e7os en la mielinitzaci\u00f3 i possibles ter\u00e0pies per l&#039;esclerosi m\u00faltiple - Institute for Bioengineering of Catalonia<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ibecbarcelona.eu\/ca\/nous-avencos-en-la-mielinitzacio-i-possibles-terapies-per-lesclerosi-multiple\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nous aven\u00e7os en la mielinitzaci\u00f3 i possibles ter\u00e0pies per l&#039;esclerosi m\u00faltiple - Institute for Bioengineering of Catalonia\" \/>\n<meta property=\"og:description\" content=\"La investigaci\u00f3 realitzada a l&#039;IBEC, publicada a la revista Cell. 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