{"id":22392,"date":"2025-02-08T15:00:03","date_gmt":"2025-02-08T21:00:03","guid":{"rendered":"https:\/\/tvpnoticias.com.mx\/?p=22392"},"modified":"2025-02-08T15:00:03","modified_gmt":"2025-02-08T21:00:03","slug":"cientificos-logran-crear-un-raton-con-dos-padres-machos","status":"publish","type":"post","link":"https:\/\/tvpnoticias.com.mx\/?p=22392","title":{"rendered":"Cient\u00edficos logran crear un rat\u00f3n con dos padres machos"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><br>Publicado en la revista Cell Stem Cell, este experimento representa un paso importante en la comprensi\u00f3n de la reproducci\u00f3n unisexual en mam\u00edferos.<br><br>El proceso implic\u00f3 la manipulaci\u00f3n de la impronta gen\u00f3mica, un mecanismo que regula la expresi\u00f3n de ciertos genes seg\u00fan su origen paterno o materno. Para superar este obst\u00e1culo, los investigadores utilizaron la edici\u00f3n gen\u00e9tica con CRISPR en c\u00e9lulas madre embrionarias, combin\u00e1ndolas con esperma de otro macho y gestando los embriones en una hembra.<br><br>Aunque solo el 11.8% de los embriones se desarrollaron con \u00e9xito y algunos presentaron problemas de crecimiento, el experimento abre nuevas posibilidades en la clonaci\u00f3n, la medicina regenerativa y la conservaci\u00f3n de especies en peligro. Sin embargo, plantea desaf\u00edos \u00e9ticos y t\u00e9cnicos que requieren una evaluaci\u00f3n cuidadosa antes de considerar aplicaciones m\u00e1s amplias.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un equipo de cient\u00edficos chinos ha logrado un avance sin precedentes al crear un rat\u00f3n con dos progenitores masculinos que alcanz\u00f3 la edad adulta. <a href=\"https:\/\/tvpnoticias.com.mx\/?p=22392\" class=\"more-link\">Contin\u00faa leyendo <span class=\"screen-reader-text\">Cient\u00edficos logran crear un rat\u00f3n con dos padres machos<\/span><\/a><\/p>\n","protected":false},"author":232456897,"featured_media":22391,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":{"facebook_8025747037436539_114477521595495":""},"rop_publish_now_history":[],"rop_publish_now_status":"pending","advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"#Mundo | Un equipo de cient\u00edficos chinos ha logrado un avance sin precedentes al crear un rat\u00f3n con dos progenitores masculinos que alcanz\u00f3 la edad adulta.","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[27730,783],"tags":[537225],"class_list":["post-22392","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-informacion-general","category-mexico","tag-mundo","fallback-thumbnail"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/tvpnoticias.com.mx\/wp-content\/uploads\/2025\/02\/image_editor_output_image-717237631-1738967956342.jpg?fit=714%2C401&ssl=1","jetpack_likes_enabled":false,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/peDonN-5Pa","jetpack-related-posts":[{"id":27679,"url":"https:\/\/tvpnoticias.com.mx\/?p=27679","url_meta":{"origin":22392,"position":0},"title":"El beb\u00e9 m\u00e1s viejo del mundo ya naci\u00f3","author":"Gamaliel Rodr\u00edguez","date":"2 de agosto de 2025","format":false,"excerpt":"Un beb\u00e9 naci\u00f3 a partir de un embri\u00f3n congelado en 1994, estableciendo un nuevo r\u00e9cord mundial en fertilizaci\u00f3n asistida y abriendo un debate sobre los l\u00edmites de la ciencia reproductiva.El embri\u00f3n fue preservado en nitr\u00f3geno l\u00edquido a -196\u202f\u00b0C durante tres d\u00e9cadas, y aunque la t\u00e9cnica no es nueva, su duraci\u00f3n\u2026","rel":"","context":"En \u00abInformaci\u00f3n General\u00bb","block_context":{"text":"Informaci\u00f3n General","link":"https:\/\/tvpnoticias.com.mx\/?cat=27730"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tvpnoticias.com.mx\/wp-content\/uploads\/2025\/08\/image_editor_output_image-730827355-1754158412490.jpg?fit=647%2C363&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/tvpnoticias.com.mx\/wp-content\/uploads\/2025\/08\/image_editor_output_image-730827355-1754158412490.jpg?fit=647%2C363&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/tvpnoticias.com.mx\/wp-content\/uploads\/2025\/08\/image_editor_output_image-730827355-1754158412490.jpg?fit=647%2C363&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":32360,"url":"https:\/\/tvpnoticias.com.mx\/?p=32360","url_meta":{"origin":22392,"position":1},"title":"Machado entrega medalla del Nobel de la Paz a Trump","author":"Gamaliel Rodr\u00edguez","date":"16 de enero de 2026","format":false,"excerpt":"La l\u00edder venezolana Mar\u00eda Corina Machado busca dirigir Venezuela y entreg\u00f3 simb\u00f3licamente su medalla del Nobel de la Paz. 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