{"id":11906,"date":"2017-08-15T01:30:19","date_gmt":"2017-08-15T05:30:19","guid":{"rendered":"http:\/\/ktfnews.com\/?p=11906"},"modified":"2017-10-05T22:59:54","modified_gmt":"2017-10-06T02:59:54","slug":"gene-editing-successful-human-embryos","status":"publish","type":"post","link":"https:\/\/ktfnews.com\/es\/gene-editing-successful-human-embryos\/","title":{"rendered":"Edici\u00f3n Gen\u00e9tica Exitosa en Embriones Humanos"},"content":{"rendered":"<p>Por primera vez, los cient\u00edficos han usado la edici\u00f3n gen\u00e9tica para corregir una enfermedad que causa la mutaci\u00f3n en embriones humanos viables, lo cual podr\u00eda ser un paso adelante para poder tener beb\u00e9s modificados. Los embriones utilizados para el estudio fueron destruidos y nunca se tuvo la intenci\u00f3n de implantarlos en una mujer (actividad ilegal en los EUA).<\/p>\n<p>Sin embargo, el experimento logra traer la idea de la edici\u00f3n gen\u00e9tica antes del nacimiento \u201cdel futuro mundo de la fantas\u00eda al mundo de la posibilidad\u201d. Aunque la t\u00e9cnica no est\u00e1 perfeccionada, se considera como un gran avance pero a\u00fan quedan por resolver las preguntas de seguridad y \u00e9tica. <\/p>\n<p>\u201cTenemos mucho por mejorar\u201d, dijo Shoukhrat Mitalipov, un investigador de la Universidad de Salud y Ciencias de Portland, Oreg\u00f3n (OHSU, por su sigla en ingl\u00e9s) y autor del documento.<\/p>\n<p>Mitalipov y sus colegas, incluyendo cient\u00edficos de los Estados Unidos, Corea y China, reclutaron a varios donantes saludables de \u00f3vulos y un donante de esperma que ten\u00eda el gen de un problema card\u00edaco com\u00fan llamado cardiomiopat\u00eda hipertr\u00f3fica. La enfermedad puede causar la falla card\u00edaca y la muerte repentina en adultos no conscientes de tener la enfermedad. Bajo condiciones normales, la mitad de los hijos del hombre podr\u00edan heredar el gen, la enfermedad y el riesgo de continuar pas\u00e1ndola.<\/p>\n<p>Ellos fertilizaron los \u00f3vulos con el esperma del hombre. Al mismo tiempo, los \u00f3vulos fueron inyectados con sustancias de edici\u00f3n gen\u00e9tica, llamadas CRISPR, las cuales incluyen una enzima encargada de buscar y recortar el gen defectuoso. Se ten\u00eda la esperanza de que los embriones pudieran reparar los cortes con versiones saludables.<\/p>\n<p>Encontraron que 42 de los 58 embriones (72.4%) estaban libres del gen causante de la enfermedad, un claro progreso sobre el 50% esperado. Tambi\u00e9n los embriones reparados se mostraron libres de cambios involuntarios, como cortes gen\u00e9ticos fuera de lugar o una confusi\u00f3n de versiones saludables y no saludables del gen atacado. Tales cambios eran preocupantes y hab\u00edan sido encontrados en anteriores experimentos chinos m\u00e1s peque\u00f1os.<\/p>\n<p>Tambi\u00e9n ellos encontraron una sorpresa: los embriones se repararon a s\u00ed mismos con el ADN del \u00f3vulo saludable y no a trav\u00e9s de un fragmento sint\u00e9tico agregado por los investigadores. Eso hubiese limitado el uso del m\u00e9todo para introducir cualquier tipo de gen \u201cdise\u00f1ador\u201d.<\/p>\n<p>Mitalipov expres\u00f3 que se requiere que la t\u00e9cnica alcance un 100% de efectividad para poder estar lista para pruebas cl\u00ednicas apuntando a embarazos producidos. Tambi\u00e9n dijo que el objetivo final es poder eliminar cualquier riesgo heredado desde una fibrosis c\u00edstica hasta el c\u00e1ncer de seno.<\/p>\n<p>Los padres en prospecto pueden buscar y eliminar genes de enfermedades conocidas al participar de la fertilizaci\u00f3n in vitro y hacer que los embriones sean analizados para los genes. Una ventaja de la edici\u00f3n gen\u00e9tica es que podr\u00eda reducir el n\u00famero de ciclos IVF que una pareja necesitar\u00eda para obtener embriones saludables y no afectados, dijo la coautora del estudio, Paula Amato, profesora asociada de obstetricia y ginecolog\u00eda en la OHSU.<\/p>\n<p>Muchos cient\u00edficos piensan que la edici\u00f3n gen\u00e9tica debe avanzar \u201csolo hasta donde razones imperiosas lo requieran y bajo una estricta vigilancia\u201d. Sin embargo, eso va a ser dif\u00edcil de lograr. \u201cHay todav\u00eda por resolver un buen n\u00famero de aspectos de seguridad, legales y \u00e9ticos\u201d, incluso sobre el uso m\u00e9dico, dijo Michael Werner, director ejecutivo de la Alianza para la Medicina Regenerativa en Washington, D.C. El grupo promueve el uso de la terapia gen\u00e9tica para tratar las enfermedades pero ha trazado una l\u00ednea en lo que se refiere a los embriones.<\/p>\n<p>\u201cEstamos hablando de cambiar permanentemente el genoma de una persona sin contar con su consentimiento\u201d, expres\u00f3 Warner. \u201cEsta es una pregunta \u00e9tica que se debe considerar incluso antes de pensar en los desaf\u00edos t\u00e9cnicos y de seguridad\u201d.<\/p>\n<p>Los antediluvianos trabajaron con la gen\u00e9tica para lograr sus propios objetivos, los cuales sin duda pudieron haber surgido de \u201cbuenos motivos\u201d inicialmente. Pero se volvieron muy expertos en la creaci\u00f3n de todo tipo de quimeras, bestias y otras amalgamaciones, al punto que Dios vio que su prop\u00f3sito \u201cera de continuo solamente el mal\u201d.<\/p>\n<p>\u201cM\u00e1s como en los d\u00edas de No\u00e9, as\u00ed ser\u00e1 la venida del Hijo del Hombre\u201d. Mateo 24:37.<\/p>\n<hr>\n<h3>Source References<\/h3>\n<ul>\n<li>\n<h5><a href=\"https:\/\/elpais.com\/elpais\/2017\/07\/27\/ciencia\/1501150753_958985.html\" target=\"_blank\">EE UU aplica la edici\u00f3n gen\u00e9tica a embriones humanos por primera vez<\/a><\/h5>\n<\/li>\n<li>\n<h5><a href=\"https:\/\/www.usatoday.com\/story\/news\/2017\/08\/02\/us-scientists-fix-disease-genes-human-embryos-1st-time\/104223394\/?csp=breakingnews\" target=\"_blank\">U.S. scientists fix disease genes in human embryos for 1st time<\/a><\/h5>\n<\/li>\n<\/ul>\n<p><\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Por primera vez, los cient\u00edficos han usado la edici\u00f3n gen\u00e9tica para corregir una enfermedad que causa la mutaci\u00f3n en embriones humanos viables, lo cual podr\u00eda ser un paso adelante para poder tener beb\u00e9s modificados. Los embriones utilizados para el estudio&#8230;<!-- AddThis Advanced Settings generic via filter on wp_trim_excerpt --><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"episode_type":"","audio_file":"","duration":"","filesize":"","date_recorded":"","explicit":"","block":"","filesize_raw":"","_FSMCFIC_featured_image_caption":"","_FSMCFIC_featured_image_nocaption":"","_FSMCFIC_featured_image_hide":"","_links_to":"","_links_to_target":""},"categories":[722,32],"tags":[1825,1824,1549,103,877],"featured_image_urls":{},"appp_media":null,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ktfnews.com\/gene-editing-successful-human-embryos\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[:en]Gene Editing Successful in Human Embryos [:es]Edici\u00f3n Gen\u00e9tica Exitosa en Embriones Humanos[:] - KEEP the FAITH\" \/>\n<meta property=\"og:description\" content=\"Por primera vez, los cient\u00edficos han usado la edici\u00f3n gen\u00e9tica para corregir una enfermedad que causa la mutaci\u00f3n en embriones humanos viables, lo cual podr\u00eda ser un paso adelante para poder tener beb\u00e9s modificados. 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For the last 20 years Pastor Mayer\\u2019s monthly prophetic analysis on CD and online has revealed the striking evidence of fulfilling prophecy to many thousands of subscribers all over the world. Pastor Mayer\\u2019s background in history and Bible prophecy give him unique insights and perspectives that have blessed many and helped them make a deeper commitment to the Lord. Keep the Faith Ministry helps those who want to keep abreast of fulfilling prophecy and who want to understand and navigate the unique and difficult circumstances of the end-times. Keep the Faith Ministry helps to prepare you for the second coming of Christ. Pastor Mayer is married to Betsy for more than 40 years. They have no children of their own. \\u201cThe times in which we live are thrilling, because the things prophesied in God\\u2019s word are actually coming to pass in this generation,\\u201d says Pastor Mayer. \\u201cIn a time when the distinctive end-time truths of God\\u2019s word are being censored, and life in this world is becoming more and more chaotic, Keep the Faith is a voice of strength and encouragement.\\u201d\",\"url\":\"https:\/\/ktfnews.com\/es\/author\/hal\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/ktfnews.com\/gene-editing-successful-human-embryos\/","og_locale":"es_ES","og_type":"article","og_title":"[:en]Gene Editing Successful in Human Embryos [:es]Edici\u00f3n Gen\u00e9tica Exitosa en Embriones Humanos[:] - KEEP the FAITH","og_description":"Por primera vez, los cient\u00edficos han usado la edici\u00f3n gen\u00e9tica para corregir una enfermedad que causa la mutaci\u00f3n en embriones humanos viables, lo cual podr\u00eda ser un paso adelante para poder tener beb\u00e9s modificados. 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