{"id":47517,"date":"2011-11-18T00:00:00","date_gmt":"2011-11-17T23:00:00","guid":{"rendered":"http:\/\/www.pcb.ub.edu\/noves-descobertes-sobre-lestructura-de-proteines-essencials-per-a-la-maquinaria-cellular-to-translate\/"},"modified":"2020-11-18T14:51:44","modified_gmt":"2020-11-18T13:51:44","slug":"noves-descobertes-sobre-lestructura-de-proteines-essencials-per-a-la-maquinaria-cellular-to-translate","status":"publish","type":"post","link":"https:\/\/www.pcb.ub.edu\/en\/noves-descobertes-sobre-lestructura-de-proteines-essencials-per-a-la-maquinaria-cellular-to-translate\/","title":{"rendered":"Noves descobertes sobre l&#8217;estructura de prote\u00efnes essencials per a la maquin\u00e0ria cel\u00b7lular TO TRANSLATE >>>"},"content":{"rendered":"<p>Han coordinat el treball els investigadors de l&#8217;IRB Barcelona Manuel Palac\u00edn i Jos\u00e9 Luis V\u00e1zquez (investigador ICREA), amb la col\u00b7laboraci\u00f3 dels laboratoris d&#8217;Ignasi Fita i Modesto Orozco, aquest segon del mateix institut i catedr\u00e0tic del Departament de Bioqu\u00edmica i Biologia Molecular de la UB, i altres experts de la UB i del Centre d&#8217;Investigaci\u00f3 Biom\u00e8dica en Xarxa de Malalties Rares (CIBERER).  <\/p>\n<p> L&#8217;intercanvi de subst\u00e0ncies entre l&#8217;interior i l&#8217;exterior de les c\u00e8l\u00b7lules es fa mitjan\u00e7ant unes prote\u00efnes transportadores inserides a les membranes cel\u00b7lulars, les quals actuen com si fossin comportes selectives deixant passar subst\u00e0ncies depenent de les necessitats de les c\u00e8l\u00b7lules. En humans, s\u00f3n importants els transportadors del tipus LAT i CAT, que permeten el pas d&#8217;amino\u00e0cids i participen en processos d&#8217;absorci\u00f3 intestinal i reabsorci\u00f3 renal, s\u00edntesi de prote\u00efnes, manteniment de subst\u00e0ncies antioxidants o en la infecci\u00f3 pel virus associat al sarcoma de Kaposi. Segons Manuel Palac\u00edn, catedr\u00e0tic del Departament de Bioqu\u00edmica i Biologia Molecular de la UB i investigador de l&#8217;IRB Barcelona, \u00abs&#8217;han identificat 300 mutacions d&#8217;aquests transportadors en diferents malalties, de manera que entendre&#8217;n el funcionament \u00e9s molt important per desenvolupar nous f\u00e0rmacs per combatre-les\u00bb. <\/p>\n<p> <a>Per a m\u00e9s informaci\u00f3<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cient\u00edfics de la Universitat de Barcelona (UB) i de l&#8217;Institut de Recerca Biom\u00e8dica (IRB Barcelona) \u2013amb seu al Parc Cient\u00edfic Barcelona\u2013 han completat la seq\u00fc\u00e8ncia d&#8217;estructures en 3D que adopten algunes prote\u00efnes necess\u00e0ries per a l&#8217;intercanvi de subst\u00e0ncies entre l&#8217;interior i l&#8217;exterior de les c\u00e8l\u00b7lules. Aquesta troballa aporta una visi\u00f3 global del conjunt dels canvis estructurals que tenen lloc en aquestes prote\u00efnes rellevants en processos cel\u00b7lulars b\u00e0sics, com ara la s\u00edntesi de prote\u00efnes, la regulaci\u00f3 del metabolisme i del volum cel\u00b7lular o la transmissi\u00f3 nerviosa.  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-47517","post","type-post","status-publish","format-standard","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Noves descobertes sobre l&#039;estructura de prote\u00efnes essencials per a la maquin\u00e0ria cel\u00b7lular TO TRANSLATE &gt;&gt;&gt; - Parc Cient\u00edfic de Barcelona<\/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:\/\/www.pcb.ub.edu\/en\/noves-descobertes-sobre-lestructura-de-proteines-essencials-per-a-la-maquinaria-cellular-to-translate\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Noves descobertes sobre l&#039;estructura de prote\u00efnes essencials per a la maquin\u00e0ria cel\u00b7lular TO TRANSLATE &gt;&gt;&gt; - Parc Cient\u00edfic de Barcelona\" \/>\n<meta property=\"og:description\" content=\"Cient\u00edfics de la Universitat de Barcelona (UB) i de l&#039;Institut de Recerca Biom\u00e8dica (IRB Barcelona) \u2013amb seu al Parc Cient\u00edfic Barcelona\u2013 han completat la seq\u00fc\u00e8ncia d&#039;estructures en 3D que adopten algunes prote\u00efnes necess\u00e0ries per a l&#039;intercanvi de subst\u00e0ncies entre l&#039;interior i l&#039;exterior de les c\u00e8l\u00b7lules. 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