{"id":28126,"date":"2026-01-10T09:55:48","date_gmt":"2026-01-10T15:55:48","guid":{"rendered":"https:\/\/staytv.cr\/?p=28126"},"modified":"2026-01-10T09:55:48","modified_gmt":"2026-01-10T15:55:48","slug":"bacteria-de-rana-elimina-tumores-de-colon-en-ratones","status":"publish","type":"post","link":"https:\/\/staytv.cr\/index.php\/2026\/01\/10\/bacteria-de-rana-elimina-tumores-de-colon-en-ratones\/","title":{"rendered":"Bacteria de rana logra eliminar tumores de colon en d\u00edas en estudios con ratones"},"content":{"rendered":"<p>Cient\u00edficos japoneses prueban una bacteria de rana que borra tumores de colon en ratones con una sola inyecci\u00f3n y sin da\u00f1os en otros \u00f3rganos.<!--more--><\/p>\n<article>\n<h1><\/h1>\n<figure><img decoding=\"async\" src=\"https:\/\/staytv.cr\/wp-content\/uploads\/32af67_2fd0e598fee24938b23ce4e55d9922d6mv2.avif\" width=\"720\" class=\"smush-dimensions\" style=\"--smush-image-width: 720px; --smush-image-aspect-ratio: 720\/405;\" srcset=\"https:\/\/staytv.cr\/wp-content\/uploads\/32af67_2fd0e598fee24938b23ce4e55d9922d6mv2.avif 720w, https:\/\/staytv.cr\/wp-content\/uploads\/32af67_2fd0e598fee24938b23ce4e55d9922d6mv2-300x169.avif 300w, https:\/\/staytv.cr\/wp-content\/uploads\/32af67_2fd0e598fee24938b23ce4e55d9922d6mv2-150x84.avif 150w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><figcaption>La bacteria, aislada de una rana arbor\u00edcola, se concentr\u00f3 en tumores de colon en ratones y los elimin\u00f3 en cuesti\u00f3n de d\u00edas.<\/figcaption><\/figure>\n<p>Un equipo de la Universidad de Ciencias Avanzadas de Hokuriku, en Jap\u00f3n, identific\u00f3 una bacteria natural procedente de la com\u00fan rana arbor\u00edcola con potencial para convertirse en un tratamiento contra el c\u00e1ncer de colon. El hallazgo representa un avance importante en la b\u00fasqueda de terapias m\u00e1s seguras y eficaces para tumores intestinales.<\/p>\n<p>Este enfoque se suma a las estrategias de medicina de precisi\u00f3n y al uso de organismos vivos modificados o seleccionados para atacar de forma dirigida las c\u00e9lulas cancerosas, reduciendo el impacto sobre los tejidos sanos.<\/p>\n<h2>Una sola inyecci\u00f3n, tumores fuera en uno o dos d\u00edas<\/h2>\n<p>En los experimentos con ratones, los investigadores provocaron c\u00e1ncer de colon y luego administraron la bacteria mediante una \u00fanica inyecci\u00f3n intravenosa. Los resultados mostraron que el microorganismo se concentr\u00f3 en el \u00e1rea tumoral y atac\u00f3 directamente las c\u00e9lulas malignas.<\/p>\n<p>En un plazo de uno a dos d\u00edas, los tumores desaparecieron por completo en los animales tratados. Los cient\u00edficos destacan que un efecto tan r\u00e1pido con una sola dosis es poco com\u00fan en oncolog\u00eda y que la selectividad hacia el tejido tumoral es uno de los puntos m\u00e1s prometedores de este enfoque.<\/p>\n<h2>La bacteria se elimina sola y no da\u00f1a otros \u00f3rganos<\/h2>\n<p>Otro aspecto clave del estudio es el comportamiento de la bacteria despu\u00e9s del tratamiento. Los an\u00e1lisis realizados mostraron que el microorganismo no se estableci\u00f3 en \u00f3rganos ni tejidos sanos y que, tras cumplir su funci\u00f3n, muri\u00f3 al cabo de un tiempo limitado dentro del organismo.<\/p>\n<p>Esta caracter\u00edstica reduce el riesgo de infecciones persistentes o efectos secundarios graves, un elemento crucial para la seguridad de cualquier terapia basada en bacterias u otros organismos vivos.<\/p>\n<h2>Qu\u00e9 sigue para este posible tratamiento<\/h2>\n<p>El equipo de Hokuriku considera que se trata de un hallazgo con gran potencial y ya trabaja en nuevas fases de investigaci\u00f3n. Entre los siguientes pasos est\u00e1n evaluar si la bacteria puede actuar contra otros tipos de c\u00e1ncer, mejorar la forma de administraci\u00f3n y estudiar su combinaci\u00f3n con tratamientos convencionales como quimioterapia o inmunoterapia.<\/p>\n<p>No obstante, los expertos subrayan que todav\u00eda se necesitan ensayos cl\u00ednicos en humanos para confirmar que el tratamiento es seguro y eficaz fuera del modelo animal. Solo entonces podr\u00eda pensarse en una aplicaci\u00f3n m\u00e9dica real.<\/p>\n<h2>Impacto potencial en salud p\u00fablica<\/h2>\n<p>El c\u00e1ncer de colon figura entre las principales causas de muerte por c\u00e1ncer a nivel mundial. Un tratamiento capaz de eliminar tumores con una sola dosis, de forma selectiva y sin da\u00f1ar otros \u00f3rganos, podr\u00eda transformar las estrategias actuales y aliviar la carga sobre pacientes y sistemas de salud.<\/p>\n<p>Si los resultados se confirman en humanos, este enfoque basado en una bacteria natural podr\u00eda marcar el inicio de una nueva generaci\u00f3n de terapias contra el c\u00e1ncer: menos invasivas, con menos efectos secundarios y enfocadas en mejorar de manera dr\u00e1stica la calidad de vida de quienes enfrentan la enfermedad.<\/p>\n<p>Con informaci\u00f3n para STAY TV: <a href=\"https:\/\/www.staytv.com\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.staytv.com<\/a><\/p>\n<p><!-- Etiquetas: bacteria de rana, c\u00e1ncer de colon, investigaci\u00f3n japonesa, tratamientos contra el c\u00e1ncer, tumores intestinales --><\/p>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Cient\u00edficos japoneses prueban una bacteria de rana que borra tumores de colon en ratones con una sola inyecci\u00f3n y sin da\u00f1os en otros \u00f3rganos.<\/p>\n","protected":false},"author":11,"featured_media":28134,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"episode_type":"","audio_file":"","podmotor_file_id":"","podmotor_episode_id":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","filesize_raw":"","date_recorded":"","explicit":"","block":"","itunes_episode_number":"","itunes_title":"","itunes_season_number":"","itunes_episode_type":"","footnotes":""},"categories":[8],"tags":[3690,3691,3692,3693,3694],"class_list":{"0":"post-28126","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-internacional","8":"tag-bacteria-de-rana","9":"tag-cancer-de-colon","10":"tag-investigacion-japonesa","11":"tag-tratamientos-contra-el-cancer","12":"tag-tumores-intestinales"},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- 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