{"id":14131,"date":"2019-12-18T16:22:40","date_gmt":"2019-12-18T15:22:40","guid":{"rendered":"https:\/\/asscat-hepatitis.org\/?p=14131"},"modified":"2019-12-18T16:22:40","modified_gmt":"2019-12-18T15:22:40","slug":"descobreixen-el-valor-microbiota-intestinal-en-desenvolupament-hepatitis-alcoholica","status":"publish","type":"post","link":"https:\/\/asscat-hepatitis.org\/ca\/descobreixen-el-valor-microbiota-intestinal-en-desenvolupament-hepatitis-alcoholica\/","title":{"rendered":"Descobreixen el valor microbiota intestinal en desenvolupament hepatitis alcoh\u00f2lica"},"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; specialty=&#8221;on&#8221; _builder_version=&#8221;3.0.106&#8243; custom_padding=&#8221;0px|||&#8221; prev_background_color=&#8221;#000000&#8243; next_background_color=&#8221;#000000&#8243;][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>Un estudi internacional en el qual ha participat el Vall d&#8217;Hebron Institut de Recerca (VHIR) i altres centres ha descobert l\u2019especial rellev\u00e0ncia de la microbiota intestinal en el desenvolupament de la malaltia hep\u00e0tica alcoh\u00f2lica.<\/h3>\n<p>Actualment, l\u2019hepatitis alcoh\u00f2lica \u00e9s una malaltia amb una elevada mortalitat i el seu tractament es basa en l\u2019\u00fas de corticosteroides, tot i que compta amb una escassa efic\u00e0cia en molts casos, i l\u2019\u00fanica possibilitat de curaci\u00f3 \u00e9s el trasplantament preco\u00e7 de fetge.<\/p>\n<p>En aquest estudi internacional, liderat per l\u2019investigador de la Universitat de Calif\u00f2rnia Bernd Schnabl, han participat l\u2019Hospital Cl\u00ednic de Barcelona i el CIBER de Malalties Hep\u00e0tiques i Digestives (CIBEREHD), i ha estat publicat per la revista <em>Nature<\/em>.<\/p>\n<p>Els investigadors han descobert una prote\u00efna secretada pel bacteri Enterococcus Faecalis, anomenada citolisina, que circula per la sang i causa dany cel\u00b7lular en el fetge afavorint la fallida hep\u00e0tica.<\/p>\n<p>La E. Faecalis \u00e9s un germen que no es troba en el microbioma normal, per\u00f2 que en els pacients amb hepatitis alcoh\u00f2lica representa el 5,6% dels bacteris fecals.<\/p>\n<p>En l\u2019estudi es van incloure 26 bevedors socials, 44 pacients bevedors de risc per\u00f2 sense hepatitis alcoh\u00f2lica i 88 que s\u00ed patien la malaltia, pertanyents a la xarxa de centres cl\u00ednics del Consorci InTeam a Espanya, els Estats Units, M\u00e8xic, Gran Bretanya i Fran\u00e7a.<\/p>\n<p>L\u2019estudi es va fer amb mostres fecals i de s\u00e8rum de malalts d\u2019hepatitis alcoh\u00f2lica i en models murins (ratolins especials) amb la mateixa malaltia, i els investigadors han evidenciat que els pacients que presenten soques d\u2019E. Faecalis productores de citolisina en sang tenien major mortalitat.<\/p>\n<p>Gaireb\u00e9 el 90% dels pacients (d\u2019un total de 25) amb hepatitis alcoh\u00f2lica i la prote\u00efna positiva van morir dins dels 180 dies posteriors a l\u2019ingr\u00e9s hospitalari, enfront al 4% dels quals la tenien negativa, d\u2019un total de 54.<\/p>\n<p>L\u2019investigador del CIBEREHD, Juan Caballeria, ha explicat que <em>\u201cgr\u00e0cies a aquest descobriment considerem que la detecci\u00f3 del gen de la citolisina en les femtes en aquests pacients podria ser un biomarcador \u00f2ptim per determinar la gravetat de la malaltia hep\u00e0tica i el risc de mort, el que suposaria poder establir ter\u00e0pies personalitzades en funci\u00f3 de l\u2019estat d\u2019aquesta prote\u00efna\u201d<\/em>.<\/p>\n<p>Els experts van transferir tamb\u00e9 femtes de persones amb hepatitis alcoh\u00f2lica amb citolisina positiva i negativa a ratolins exposats a l\u2019alcohol.<\/p>\n<p>Els animals amb microbiomes intestinals positius per a citolisina van desenvolupar una malaltia hep\u00e0tica indu\u00efda per alcohol m\u00e9s greu i van sobreviure en menor mesura que els ratolins sense citolisina.<\/p>\n<p>Una ter\u00e0pia amb un bacteri\u00f2fag dirigit contra les soques d\u2019E. Faecalis productores de citolisina va ajudar a evitar la lesi\u00f3 hep\u00e0tica.<\/p>\n<p>Caballeria ha precisat que \u00e9s necessari <em>\u201crealitzar estudis cl\u00ednics controlats per comprovar la seguretat i l\u2019efic\u00e0cia d\u2019aquesta estrat\u00e8gia en pacients amb hepatitis alcoh\u00f2lica greu mitjan\u00e7ant f\u00e0rmacs que redueixin l\u2019alliberament o l\u2019acci\u00f3 de la prote\u00efna citolisina\u201d<\/em>.<\/p>\n<p>L\u2019investigador principal del grup de Malalties Hep\u00e0tiques del VHIR, V\u00edctor Vargas, ha assegurat que <em>\u201cen l\u2019\u00faltima part de l\u2019estudi s\u2019ha demostrat que emprar estrat\u00e8gies terap\u00e8utiques que destrueixin el microorganisme productor d\u2019aquesta citolisina va ser \u00fatil per evitar la lesi\u00f3 hep\u00e0tica en el model experimental de ratol\u00ed\u201d<\/em>.<\/p>\n<p><em>\u201cAix\u00f2 pot obrir la porta per desenvolupar i comprovar la utilitat d\u2019estrat\u00e8gies terap\u00e8utiques dirigides sobre E. Faecalis i la seva citolisina en pacients amb hepatitis alcoh\u00f2lica greu\u201d<\/em>, ha considerat Vargas.<\/p>\n<p>&nbsp;<\/p>\n<p>Font: <a href=\"https:\/\/www.lavanguardia.com\/vida\/20191202\/472006425993\/descubren-el-valor-microbiota-intestinal-en-desarrollo-hepatitis-alcoholica.html\">lavanguardia.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; custom_padding=&#8221;0px|||&#8221; _builder_version=&#8221;3.0.105&#8243; custom_margin=&#8221;|||&#8221;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;2_3&#8243;][et_pb_post_title admin_label=&#8221;Metadatos &#8211; Fecha \u00daltima actualizaci\u00f3n&#8221; title=&#8221;off&#8221; author=&#8221;off&#8221; date_format=&#8221;d\/m\/Y&#8221; categories=&#8221;off&#8221; comments=&#8221;off&#8221; featured_image=&#8221;off&#8221; _builder_version=&#8221;3.0.106&#8243; title_text_align=&#8221;left&#8221; meta_font=&#8221;Open Sans||||||||&#8221; meta_text_align=&#8221;left&#8221; meta_font_size=&#8221;13px&#8221; meta_text_color=&#8221;#0082ca&#8221; border_width_top=&#8221;1px&#8221; border_color_top=&#8221;#cccccc&#8221; custom_margin=&#8221;50px|||&#8221; custom_padding=&#8221;10px|||&#8221; custom_css_before=&#8221;content:%22\u00daltima actualizaci\u00f3n:%22;&#8221; global_module=&#8221;3449&#8243; saved_tabs=&#8221;all&#8221;]<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_post_title][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243;][et_pb_sidebar orientation=&#8221;right&#8221; area=&#8221;et_pb_widget_area_8&#8243; module_class=&#8221;ac-posts-sidebar&#8221; _builder_version=&#8221;3.0.106&#8243; global_module=&#8221;3198&#8243; saved_tabs=&#8221;all&#8221;]<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_sidebar][\/et_pb_column][\/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;][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]<\/p>\n<!-- Begin Yuzo --><div class='yuzo_related_post style-1'  data-version='5.12.77'><!-- without result --><div class='yuzo_clearfixed yuzo__title yuzo__title'><h3>Related Post<\/h3><\/div>\n\t\t\t\t\t\t  <div class=\"relatedthumb \" style=\"width:125px;float:left;overflow:hidden;\">  \n\t\t\t\t\t\t\t  \n\t\t\t\t\t\t\t  <a  href=\"https:\/\/asscat-hepatitis.org\/ca\/memoria-asscat-2019\/\"  >\n\t\t\t\t\t\t\t\t\t  <div class=\"yuzo-img-wrap \" style=\"width: 125px;height:90px;\">\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"yuzo-img\" style=\"background:url('https:\/\/asscat-hepatitis.org\/wp-content\/uploads\/memoria-ASSCAT-2019-OK-150x150.jpg') 50% 50% no-repeat;width: 125px;height:90px;margin-bottom: 5px;background-size: cover; \"><\/div>\n\t\t\t\t\t\t\t\t\t  <\/div>\n\t\t\t\t\t\t\t\t\t  \n\t\t\t\t\t\t\t\t   <span class=\"yuzo__text--title\" style=\"font-size:13px;\">Mem\u00f2ria ASSCAT 2019<\/span>\n\t\t\t\t\t\t\t  \n\t\t\t\t\t\t\t  \n\t\t\t\t\t\t\t  <\/a>\n\n\t\t\t\t\t\t  <\/div>\n\t\t\t\t\t\t  <div class=\"relatedthumb \" style=\"width:125px;float:left;overflow:hidden;\">  \n\t\t\t\t\t\t\t  \n\t\t\t\t\t\t\t  <a  href=\"https:\/\/asscat-hepatitis.org\/ca\/entrevista-amb-la-dra-sabela-lens-hepatologa-i-investigadora-de-lhospital-clinic-de-barcelona\/\"  >\n\t\t\t\t\t\t\t\t\t  <div class=\"yuzo-img-wrap \" style=\"width: 125px;height:90px;\">\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"yuzo-img\" style=\"background:url('https:\/\/asscat-hepatitis.org\/wp-content\/uploads\/sabela-lens-1-150x150.jpg') 50% 50% no-repeat;width: 125px;height:90px;margin-bottom: 5px;background-size: cover; \"><\/div>\n\t\t\t\t\t\t\t\t\t  <\/div>\n\t\t\t\t\t\t\t\t\t  \n\t\t\t\t\t\t\t\t   <span class=\"yuzo__text--title\" style=\"font-size:13px;\">Entrevista amb la Dra. 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