{"id":35889,"date":"2023-09-06T09:29:37","date_gmt":"2023-09-06T13:29:37","guid":{"rendered":"https:\/\/romanticany.com\/?p=35889"},"modified":"2023-09-06T09:29:37","modified_gmt":"2023-09-06T13:29:37","slug":"__trashed-1053","status":"publish","type":"post","link":"https:\/\/romanticany.com\/?p=35889","title":{"rendered":"Llegan las bacterias capaces de detectar si se est\u00e1 desarrollando un tumor y aniquilarlo"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Un grupo de investigadores de&nbsp;<strong>las universidades de San Diego (<a href=\"https:\/\/www.pulzo.com\/noticias\/estados-unidos\" target=\"_blank\" rel=\"noreferrer noopener\">Estados Unidos<\/a>) y Adelaida (<a href=\"https:\/\/www.pulzo.com\/noticias\/australia\" target=\"_blank\" rel=\"noreferrer noopener\">Australia<\/a>)&nbsp;<\/strong>publicaron en la revista Science un estudio en el que demuestran el uso de bacterias modificadas para&nbsp;<strong>detectar el ADN tumoral en los intestinos de ratones.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Previamente se han hecho modificaciones similares para que las bacterias sean dise\u00f1adas para<strong>&nbsp;llevar \u2018cargas terap\u00e9uticas\u2019 al interior de tumores s\u00f3lidos<\/strong>, sobrepasando las barreras que hay con el uso de otros tratamientos o medicamentos que&nbsp;<strong>perjudican el sistema inmune o golpean la&nbsp;<a href=\"https:\/\/www.pulzo.com\/noticias\/salud\" target=\"_blank\" rel=\"noreferrer noopener\">salud<\/a> del paciente.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La guerra contra el <a href=\"https:\/\/www.pulzo.com\/noticias\/cancer\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1ncer<\/a>&nbsp;que comenz\u00f3 con tratamientos agresivos basado en mezclas de qu\u00edmicos ahora podr\u00eda incorporar seres vivos gracias a estas bacterias dado que<strong>&nbsp;estas son modificadas para adaptarse a su entorno<\/strong>, una \u201ct\u00e9cnica\u201d que ya utilizan otros microorganismos por ejemplo para<strong>&nbsp;resistir los antibi\u00f3ticos. En otro estudio, cient\u00edficos&nbsp;generaron un&nbsp;<\/strong><a href=\"https:\/\/www.pulzo.com\/vivir-bien\/cientificos-crean-farmaco-contra-cancer-que-aumenta-supervivencia-45---PP3001918A\" target=\"_blank\" rel=\"noreferrer noopener\">nuevo f\u00e1rmaco contra el c\u00e1ncer de p\u00e1ncreas que aumentar\u00eda la supervivencia en un 45 %.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las bacterias utilizadas son la&nbsp;<em>Acinetobacter baylyi<\/em>, el cual fue modificado para que<strong>&nbsp;identifique el gen KRAS mutado,<\/strong>&nbsp;el cual tiende a ser la base de muchos tumores. La bacteria adquiere la habilidad de detectar este tumor cuando se est\u00e1 formando y una vez lo identifica,&nbsp;<strong>puede ser dirigida con ultrasonidos para destruirlo.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esta gu\u00eda por medio de ultrasonidos<strong>&nbsp;permite \u201ccargar\u201d la&nbsp;<a href=\"https:\/\/www.pulzo.com\/noticias\/bacteria\" target=\"_blank\" rel=\"noreferrer noopener\">bacteria<\/a>&nbsp;con distintos f\u00e1rmacos&nbsp;<\/strong>para que los deposite en el tumor. Esto supone un avance inmenso dado que la bacteria, al haberse adaptado al entorno, no resulta siendo combatida por el sistema inmunitario,<strong>&nbsp;aumentando la eficacia de las medicinas.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Adicionalmente, el ultrasonido activa la<strong>&nbsp;liberaci\u00f3n del f\u00e1rmaco solo en las c\u00e9lulas da\u00f1inas<\/strong>, evitando que haya efectos nocivos o perjudiciales en las c\u00e9lulas sanas. Aun as\u00ed, este trabajo es una prueba concepto que solo ha sido utilizada en roedores, sin embargo, los investigadores dicen&nbsp;<strong>ya tener ideas sobre c\u00f3mo llevar este tratamiento a humanos.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Robert Cooper, investigador de la Universidad de&nbsp;<a href=\"https:\/\/www.pulzo.com\/noticias\/california\" target=\"_blank\" rel=\"noreferrer noopener\">California<\/a>&nbsp;en San Diego,<\/strong>&nbsp;explica que la administraci\u00f3n de esta \u2018bacteria\u2019 podr\u00eda darse por medio de una \u201cpastilla probi\u00f3tica\u201d que tendr\u00eda las bacterias modificadas dentro y las bacterias posteriormente ser\u00edan extra\u00eddas&nbsp;<strong>para ser analizadas y continuar el tratamiento.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un grupo de investigadores de&nbsp;las universidades de San Diego (Estados Unidos) y Adelaida (Australia)&nbsp;publicaron en la revista Science un estudio en el que demuestran el uso de bacterias modificadas para&nbsp;detectar el ADN tumoral en los intestinos de ratones. Previamente se han hecho modificaciones similares para que las bacterias sean dise\u00f1adas para&nbsp;llevar \u2018cargas terap\u00e9uticas\u2019 al interior [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-35889","post","type-post","status-publish","format-standard","hentry","category-salud"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Llegan las bacterias capaces de detectar si se est\u00e1 desarrollando un tumor y aniquilarlo - Romantica NY<\/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:\/\/romanticany.com\/?p=35889\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Llegan las bacterias capaces de detectar si se est\u00e1 desarrollando un tumor y aniquilarlo - Romantica NY\" \/>\n<meta property=\"og:description\" content=\"Un grupo de investigadores de&nbsp;las universidades de San Diego (Estados Unidos) y Adelaida (Australia)&nbsp;publicaron en la revista Science un estudio en el que demuestran el uso de bacterias modificadas para&nbsp;detectar el ADN tumoral en los intestinos de ratones. 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