{"id":5138,"date":"2018-05-30T08:00:16","date_gmt":"2018-05-30T06:00:16","guid":{"rendered":"https:\/\/asscat-hepatitis.org\/el-inhibidor-de-la-ciclofilina-crv431-reduce-el-desarrollo-y-la-progresion-de-tumores-hepaticos-en-el-estudio-preclinico-del-hepatocarcinoma\/"},"modified":"2018-06-30T19:03:09","modified_gmt":"2018-06-30T17:03:09","slug":"el-inhibidor-de-la-ciclofilina-crv431-reduce-el-desarrollo-y-la-progresion-de-tumores-hepaticos-en-el-estudio-preclinico-del-hepatocarcinoma","status":"publish","type":"post","link":"https:\/\/asscat-hepatitis.org\/ca\/el-inhibidor-de-la-ciclofilina-crv431-reduce-el-desarrollo-y-la-progresion-de-tumores-hepaticos-en-el-estudio-preclinico-del-hepatocarcinoma\/","title":{"rendered":"L&#8217;inhibidor de la ciclofilina CRV431 redueix el desenvolupament i la progressi\u00f3 de tumors hep\u00e0tics en l&#8217;estudi precl\u00ednic de l&#8217;hepatocarcinoma"},"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<p>ContraVir Pharmaceuticals Inc., una companyia biofarmac\u00e8utica centrada en el desenvolupament i comercialitzaci\u00f3 de medicaments terap\u00e8utics per al tractament del virus de l&#8217;hepatitis B (VHB), ha anunciat avui noves troballes que confirmen que l&#8217;inhibidor de la ciclofilina CRV431 redueix el nombre i mida de tumors hep\u00e0tics en un model de ratol\u00ed amb carcinoma hepatocel\u00b7lular (HCC).<\/p>\n<p>Les dades de l&#8217;estudi indiquen que CRV431 va reduir el nombre de n\u00f2duls tumorals en un 44% i va reduir la c\u00e0rrega tumoral total en un 56% (puntuaci\u00f3 compost basat en el nombre i mida del tumor) en comparaci\u00f3 amb el grup de control del vehicle (p = 0,02). \u00c9s important destacar que el 25% dels ratolins tractats amb CRV431 no tenien tumors hep\u00e0tics al final de l&#8217;estudi de 10 setmanes, mentre que tots els ratolins tractats amb vehicle tenien almenys cinc tumors per fetge.<\/p>\n<p><i>&#8220;Els resultats d&#8217;aquest estudi precl\u00ednic indiquen que CRV431 podria oferir una oportunitat de tractament potencial per al carcinoma hepatocel\u00b7lular (HCC), el que representa una important oportunitat d&#8217;expansi\u00f3 per ContraVir&#8221;<\/i>, ha explicat James Sapirstein, director executiu de ContraVir. <i>&#8220;Anteriorment vam demostrar que CRV431 redueix els marcadors clau del virus de l&#8217;hepatitis B (VHB), inclosos l&#8217;ADN, l&#8217;HBsAg i el pgARN. Aquestes noves dades proporcionen evid\u00e8ncia que CRV431 tamb\u00e9 pot reduir la quantitat i la mida dels tumors en HCC, acostant-nos un pas m\u00e9s al nostre objectiu final de reduir la c\u00e0rrega de la malaltia hep\u00e0tica &#8220;.<\/i><\/p>\n<p>A tot el m\u00f3n, el c\u00e0ncer de fetge \u00e9s la segona causa de mort relacionada amb el c\u00e0ncer, amb fins a 750.000 morts a l&#8217;any. El HCC, correlacionat amb la prevalen\u00e7a de l&#8217;antigen de superf\u00edcie del VHB \u00e9s el tipus m\u00e9s com\u00fa de c\u00e0ncer primari de fetge, que compr\u00e8n al voltant del 80% d&#8217;aquests casos. Les infeccions cr\u00f2niques pel VHB i el virus de l&#8217;hepatitis C (VHC) causen fins al 70% de carcinomes hepatocel\u00b7lulars (HCC) i, en certes regions com \u00c0sia i \u00c0frica, s\u00f3n el principal factor de risc per desenvolupar HCC. Un altre factor de risc per al desenvolupament de HCC \u00e9s la malaltia de fetge gras no alcoh\u00f2lic (NAFLD), present en aproximadament el 30% de la poblaci\u00f3 dels Estats Units.<\/p>\n<p><i>&#8220;La infecci\u00f3 cr\u00f2nica del fetge, com l&#8217;hepatitis B, causa una cascada de problemes de salut al llarg de la vida d&#8217;una persona i, desafortunadament, \u00e9s sovint el precursor del c\u00e0ncer de fetge&#8221;<\/i>, ha comentat el Dr. Philippe Gallay , Professor del Departament d&#8217;Immunologia i Microbiologia de l&#8217;Institut Scripps Research. <i>&#8220;Les ter\u00e0pies, com ara CRV431, que poden interrompre m\u00faltiples etapes dins el cicle de vida del VHB tenen el potencial de salvar innombrables vides a reduir l&#8217;efecte descendent de la infecci\u00f3 cr\u00f2nica per VHB&#8221;.<\/i><\/p>\n<h3>Sobre CRV431<\/h3>\n<p>CRV431 \u00e9s un an\u00e0leg no immunosupressor de la ciclosporina A (CsA) l&#8217;acci\u00f3 bioqu\u00edmica prim\u00e0ria \u00e9s la inhibici\u00f3 de ciclofilina isomerasas que tenen un paper clau en el plegament de prote\u00efnes. Altres virus com el VIH-1 i el VHC, de manera similar usen ciclofilines per a la seva replicaci\u00f3. CRV431 mostra potencial en models experimentals per complementar els tractaments actuals contra l&#8217;hepatitis B mitjan\u00e7ant la reducci\u00f3 de m\u00faltiples marcadors d&#8217;infecci\u00f3, incloent l&#8217;ADN del VHB, HBsAg, HBeAg i la captaci\u00f3 de VHB per les c\u00e8l\u00b7lules. Els estudis tamb\u00e9 han demostrat que CRV431 posseeix activitat antifibr\u00f2tica que pot frenar encara m\u00e9s la progressi\u00f3 de la malaltia hep\u00e0tica en els pacients.<\/p>\n<p><strong>\u00a0<\/strong><strong>\u00a0<\/strong><\/p>\n<h6>Font: <a href=\"http:\/\/ir.contravir.com\/news-releases\/news-release-details\/contravir-pharmaceuticals-cyclophilin-inhibitor-crv431-reduces\">ir.contravir.com<\/a><\/h6>\n<h6>Not\u00edcia tradu\u00efda per l&#8217;ASSCAT<\/h6>\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_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;]<\/p>\n<h5>Des d&#8217;aqu\u00ed pots compartir aquesta publicaci\u00f3. 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