{"id":22173,"date":"2022-04-27T10:43:42","date_gmt":"2022-04-27T15:43:42","guid":{"rendered":"https:\/\/inspectornocturno.com.mx\/?p=22173"},"modified":"2022-04-27T10:43:43","modified_gmt":"2022-04-27T15:43:43","slug":"descubren-anticuerpo-que-frena-la-propagacion-de-tumores","status":"publish","type":"post","link":"https:\/\/inspectornocturno.com.mx\/?p=22173","title":{"rendered":"DESCUBREN ANTICUERPO QUE FRENA LA PROPAGACI\u00d3N DE TUMORES"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd3aLos investigadores subrayan que &#8220;no interfiere con el funcionamiento de las c\u00e9lulas madre sanas del organismo, que son esenciales para el buen funcionamiento de los tejidos&#8221;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Barcelona.- Un consorcio internacional liderado por Eduard Batlle, jefe del laboratorio de C\u00e1ncer Colorrectal del Instituto de Investigaci\u00f3n Biom\u00e9dica de Barcelona (IRB), junto a la empresa holandesa Merus N.V., public\u00f3 recientemente en la revista Nature Cancer un estudio en el que revelan el descubrimiento de un anticuerpo que ataca las c\u00e9lulas madre del c\u00e1ncer, frena la propagaci\u00f3n de los tumores y previene la met\u00e1stasis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El anticuerpo MCLA-158, cuyo nombre comercial es Petosemtamab, fue hallado utilizando por primera vez un biobanco de organoides de pacientes con c\u00e1ncer para discriminar entre cientos de nuevos anticuerpos cu\u00e1l de ellos era m\u00e1s efectivo y adecuado para la mayor\u00eda de los enfermos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los organoides son muestras derivadas de pacientes que se pueden cultivar en laboratorio y que reproducen el comportamiento de un tumor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;Empezamos a investigar las c\u00e9lulas madre del c\u00e1ncer hace 15 a\u00f1os. El camino para llegar hasta aqu\u00ed ha sido apasionante, pero tambi\u00e9n muy complejo. Ha requerido gran inversi\u00f3n de recursos y el esfuerzo de much\u00edsimos investigadores. La medicina del futuro empieza aqu\u00ed&#8221;, dijo Batlle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Explic\u00f3 que el MCLA-158 degrada la prote\u00edna EGFR en las c\u00e9lulas madre del c\u00e1ncer que presentan el marcador LGR5 y as\u00ed bloquea las v\u00edas de crecimiento y supervivencia en las c\u00e9lulas que inician el c\u00e1ncer y lo expanden.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esto se debe a que la actividad de la EGFR favorece el crecimiento descontrolado de las c\u00e9lulas, mientras que el LGR5 marca la superficie de las c\u00e9lulas madre del c\u00e1ncer responsables de la expansi\u00f3n de los tumores.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;Este anticuerpo no interfiere con el funcionamiento de las c\u00e9lulas madre sanas del organismo, que son esenciales para el buen funcionamiento de los tejidos&#8221;, subray\u00f3 Batlle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Seg\u00fan los investigadores, otra ventaja de incorporar organoides en las fases iniciales de la generaci\u00f3n de f\u00e1rmacos (en este caso, anticuerpos terap\u00e9uticos) es la posibilidad de valorar los efectos nocivos del f\u00e1rmaco sobre c\u00e9lulas sanas y eliminar de este modo los anticuerpos con mayor toxicidad en las fases m\u00e1s tempranas del estudio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En los pr\u00f3ximos meses, la empresa Merus tiene previsto publicar nuevos datos sobre los ensayos cl\u00ednicos en curso con Petosemtamab. Battle y su equipo esperan que &#8220;se confirme la actividad antitumoral publicada en los datos preliminares&#8221;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fuente: RT.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udd3aLos investigadores subrayan que &#8220;no interfiere con el funcionamiento de las c\u00e9lulas madre sanas del organismo, que son esenciales para el buen funcionamiento de los tejidos&#8221;. Barcelona.- Un consorcio internacional liderado por Eduard Batlle, jefe del laboratorio de C\u00e1ncer Colorrectal del Instituto de Investigaci\u00f3n Biom\u00e9dica de Barcelona (IRB), junto a la empresa holandesa Merus N.V., [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":22175,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"","_twitter_share_type":"","_linkedin_share_type":"","_pinterest_share_type":"","_linkedin_share_type_page":"","_instagram_share_type":"","_medium_share_type":"","_threads_share_type":"","_google_business_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[77,88],"tags":[],"class_list":["post-22173","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-internacional","category-salud"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DESCUBREN ANTICUERPO QUE FRENA LA PROPAGACI\u00d3N DE TUMORES - Inspector Nocturno<\/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:\/\/inspectornocturno.com.mx\/?p=22173\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DESCUBREN ANTICUERPO QUE FRENA LA PROPAGACI\u00d3N DE TUMORES - Inspector Nocturno\" \/>\n<meta property=\"og:description\" content=\"\ud83d\udd3aLos investigadores subrayan que &#8220;no interfiere con el funcionamiento de las c\u00e9lulas madre sanas del organismo, que son esenciales para el buen funcionamiento de los tejidos&#8221;. 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