{"id":18157,"date":"2021-02-01T15:01:34","date_gmt":"2021-02-01T14:01:34","guid":{"rendered":"https:\/\/asscat-hepatitis.org\/?p=18157"},"modified":"2021-02-01T15:01:34","modified_gmt":"2021-02-01T14:01:34","slug":"descobreixen-un-nou-tractament-que-podria-ajudar-a-la-recuperacio-del-fetge","status":"publish","type":"post","link":"https:\/\/asscat-hepatitis.org\/ca\/descobreixen-un-nou-tractament-que-podria-ajudar-a-la-recuperacio-del-fetge\/","title":{"rendered":"Descobreixen un nou tractament que podria ajudar a la recuperaci\u00f3 del fetge"},"content":{"rendered":"<p>[et_pb_section bb_built=&#8221;1&#8243; disabled_on=&#8221;off|off|off&#8221; _builder_version=&#8221;3.0.106&#8243; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;0px||0px|&#8221; next_background_color=&#8221;#000000&#8243;][et_pb_row custom_padding=&#8221;0px||0px|&#8221; _builder_version=&#8221;3.0.106&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221;][et_pb_column type=&#8221;4_4&#8243;][et_pb_post_title author=&#8221;off&#8221; date_format=&#8221;d\/m\/Y&#8221; comments=&#8221;off&#8221; featured_placement=&#8221;background&#8221; text_background=&#8221;on&#8221; text_bg_color=&#8221;#ffffff&#8221; module_class=&#8221;ac-post-title-section-0&#8243; _builder_version=&#8221;3.0.106&#8243; title_font=&#8221;Montserrat|600|||||||&#8221; title_text_color=&#8221;#2d2d2d&#8221; title_letter_spacing=&#8221;-1px&#8221; title_line_height=&#8221;1.2em&#8221; meta_font=&#8221;Open Sans||||||||&#8221; meta_text_color=&#8221;rgba(45,45,45,0.5)&#8221; text_orientation=&#8221;center&#8221; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;|20px|20px|20px&#8221; title_text_align=&#8221;center&#8221; meta_font_size=&#8221;13px&#8221; meta_text_align=&#8221;center&#8221;]<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_post_title][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section bb_built=&#8221;1&#8243; _builder_version=&#8221;3.0.106&#8243; custom_padding=&#8221;||0px|&#8221; prev_background_color=&#8221;#000000&#8243; module_class=&#8221;ac-post-section-share-rrss&#8221; next_background_color=&#8221;#000000&#8243;][et_pb_row custom_padding=&#8221;||0px|&#8221; custom_margin=&#8221;|||&#8221; _builder_version=&#8221;3.0.105&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221;][et_pb_column type=&#8221;4_4&#8243;][et_pb_divider color=&#8221;#e20611&#8243; show_divider=&#8221;on&#8221; divider_style=&#8221;ridge&#8221; _builder_version=&#8221;3.0.106&#8243; \/][et_pb_text _builder_version=&#8221;3.0.106&#8243; text_font=&#8221;Montserrat||||||||&#8221; text_text_color=&#8221;#e20611&#8243; text_orientation=&#8221;center&#8221; custom_margin=&#8221;||0px|&#8221; custom_padding=&#8221;|||&#8221; background_layout=&#8221;light&#8221; disabled=&#8221;on&#8221;]<\/p>\n<h5>Desde aqu\u00ed puedes compartir esta publicaci\u00f3n. \u00a1Gracias!<\/h5>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section bb_built=&#8221;1&#8243; specialty=&#8221;on&#8221; _builder_version=&#8221;3.0.106&#8243; custom_padding=&#8221;0px|||&#8221; prev_background_color=&#8221;#000000&#8243; disabled=&#8221;on&#8221;][et_pb_column type=&#8221;2_3&#8243; specialty_columns=&#8221;2&#8243;][et_pb_row_inner admin_label=&#8221;Fila&#8221; _builder_version=&#8221;3.0.106&#8243;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;2_3&#8243;][et_pb_text admin_label=&#8221;Contenido Entrada 1&#8243; ul_type=&#8221;square&#8221; module_class=&#8221;ac-posts-content&#8221; _builder_version=&#8221;3.0.106&#8243; text_orientation=&#8221;justified&#8221; background_layout=&#8221;light&#8221;]<\/p>\n<h3>Quan pateix lesions greus o cr\u00f2niques, el fetge perd la seva capacitat de regeneraci\u00f3. Ara, un nou estudi dirigit per investigadors del Centre de Medicina Regenerativa de la Facultat de Medicina de la Universitat de Boston i del Centre M\u00e8dic de Boston (Estats Units) han descrit una nova i segura eina terap\u00e8utica potencial per a la recuperaci\u00f3 de la funci\u00f3 hep\u00e0tica en malalties hep\u00e0tiques cr\u00f2niques i agudes.<\/h3>\n<p>En el seu treball, els investigadors van utilitzar l\u2019ARN missatger encapsulat en nanopart\u00edcules lip\u00eddiques (ARNm-LNP) que s\u2019utilitza actualment a les vacunes contra la COVID-19, per subministrar factors regeneratius als fetges lesionats de forma oportuna i controlada.<\/p>\n<p><em>\u201cVam descobrir que aquesta intervenci\u00f3 indueix amb \u00e8xit la r\u00e0pida expansi\u00f3 de les c\u00e8l\u00b7lules funcionals del fetge, els hepat\u00f2cits, aix\u00ed com aprofita la recuperaci\u00f3 de la funci\u00f3 hep\u00e0tica\u201d<\/em>, explica la doctora Valerie Gouon-Evans, una de les autores de la investigaci\u00f3, que s\u2019ha publicat a la revista cient\u00edfica <em>Nature Communications<\/em>.<\/p>\n<p>La seguretat de l\u2019ARNm-LNP s\u2019ha validat en assajos cl\u00ednics per aplicacions com la immunoter\u00e0pia contra el c\u00e0ncer i, m\u00e9s recentment, les primeres vacunes COVID-19 aprovades per Pfizer-BioNTech i Moderna.<\/p>\n<p>Aquests investigadors van utilitzar dos models experimentals en els quals es lesionava el fetge. Al primer grup se li va injectar ARNm-LNP que produeix mit\u00f2gens hep\u00e0tics. Al segon gruo se li va injectar un ARN-LNP de control que no produ\u00efa cap prote\u00efna. Els models que van rebre la injecci\u00f3 d\u2019ARNm-LNP mit\u00f2gen van eliminar el dany hep\u00e0tic amb major rapidesa i efic\u00e0cia que els injectats amb ARN-LNP de control.<\/p>\n<p>Actualment, no hi ha cap f\u00e0rmac aprovat per tractar les malalties cr\u00f2niques del fetge. Es necessiten desesperadament noves estrat\u00e8gies que impedeixin la progressi\u00f3 de la malaltia hep\u00e0tica abans que arribi a la fase irreversible de la cirrosi descompensada.<\/p>\n<p><em>\u201cL\u2019administraci\u00f3 de mit\u00f2gens hep\u00e0tics a trav\u00e9s del ARNm-LNP reverteix l\u2019esteatosi (acumulaci\u00f3 de greix a les c\u00e8l\u00b7lules hep\u00e0tiques), una de les primeres fases de la progressi\u00f3 de la malaltia hep\u00e0tica. Aix\u00ed mateix, les lesions hep\u00e0tiques agudes, com la sobredosi de paracetamol, no tenen un tractament efica\u00e7 a la cl\u00ednica. En aquest cas, una injecci\u00f3 del mit\u00f2gen hep\u00e0tic ARNm-LNP \u00e9s suficient per accelerar la reparaci\u00f3 del fetge, el que pot ser vital per prevenir la fallida hep\u00e0tica en pacients amb sobredosi de paracetamol\u201d<\/em>, senyalen els autors.<em>\u00a0<\/em><\/p>\n<p>Donats aquests resultats experimentals, els investigadors esperen que l\u2019administraci\u00f3 de mit\u00f2gens amb ARNm-LNP pugui traslladar-se a la cl\u00ednica per prevenir la progressi\u00f3 de les malalties hep\u00e0tiques cr\u00f2niques i fins i tot revertir algunes de les caracter\u00edstiques de la malaltia del fetge gras no alcoh\u00f2lic.<\/p>\n<p>&nbsp;<\/p>\n<p>Font: <a href=\"https:\/\/www.infosalus.com\/asistencia\/noticia-descubren-nuevo-tratamiento-podria-ayudar-recuperacion-higado-20210127190202.html\">infosalus.com<\/a><\/p>\n<p>Not\u00edcia tradu\u00efda per l\u2019ASSCAT<\/p>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner admin_label=&#8221;Fila&#8221; 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