{"id":3806,"date":"2026-10-18T11:41:27","date_gmt":"2026-10-18T15:41:27","guid":{"rendered":"https:\/\/canasanta.ca\/?p=3806"},"modified":"2026-10-18T11:41:27","modified_gmt":"2026-10-18T15:41:27","slug":"tadalafil-disfuncion-erectil-regenerar-musculo","status":"publish","type":"post","link":"https:\/\/canasanta.ca\/en\/salud\/tadalafil-disfuncion-erectil-regenerar-musculo\/","title":{"rendered":"Un f\u00e1rmaco para la disfunci\u00f3n er\u00e9ctil podr\u00eda regenerar m\u00fasculo"},"content":{"rendered":"

Un medicamento conocido por tratar la disfunci\u00f3n er\u00e9ctil acaba de mostrar un efecto inesperado en el laboratorio: el tadalafil, principio activo de Cialis, favoreci\u00f3 la proliferaci\u00f3n y supervivencia de c\u00e9lulas precursoras del m\u00fasculo. El hallazgo abre una v\u00eda para estudiar nuevas terapias contra enfermedades que provocan p\u00e9rdida muscular, aunque todav\u00eda est\u00e1 muy lejos de demostrar que el f\u00e1rmaco regenere m\u00fasculos en personas.<\/h3>\n

 <\/p>\n

Una segunda vida para un medicamento conocido<\/strong><\/h2>\n

Investigadores de la Universidad de Roma Foro Italico estudiaron durante siete d\u00edas el efecto de una exposici\u00f3n prolongada al tadalafil sobre c\u00e9lulas C2C12, una l\u00ednea de c\u00e9lulas musculares de rat\u00f3n utilizada habitualmente para investigar la formaci\u00f3n de m\u00fasculo. El trabajo, publicado en Molecular Biology Reports, examin\u00f3 proliferaci\u00f3n, supervivencia, activaci\u00f3n de la miog\u00e9nesis y liberaci\u00f3n de mioquinas.<\/p>\n

El tadalafil pertenece a los inhibidores de la fosfodiesterasa tipo 5, o PDE5. Estos medicamentos aumentan la se\u00f1alizaci\u00f3n asociada al \u00f3xido n\u00edtrico y al GMP c\u00edclico y se utilizan principalmente contra la disfunci\u00f3n er\u00e9ctil y la hipertensi\u00f3n arterial pulmonar. Pero esa misma v\u00eda molecular participa en procesos que van mucho m\u00e1s all\u00e1 de la funci\u00f3n vascular.<\/p>\n

 <\/p>\n

M\u00e1s c\u00e9lulas precursoras y menos muerte celular<\/strong><\/h2>\n

Los investigadores observaron que el tratamiento con tadalafil aument\u00f3 significativamente la proliferaci\u00f3n y supervivencia de los mioblastos y redujo la muerte celular durante el experimento. Tambi\u00e9n elev\u00f3 la expresi\u00f3n de factores relacionados con las primeras etapas de la formaci\u00f3n muscular y mantuvo niveles m\u00e1s altos de marcadores como Pax7 y Myf6.<\/p>\n

El resultado es interesante porque la regeneraci\u00f3n del m\u00fasculo esquel\u00e9tico depende precisamente de c\u00e9lulas progenitoras capaces de multiplicarse antes de convertirse en fibras musculares maduras. El estudio tambi\u00e9n encontr\u00f3 un aumento de Sirt3 e IL-6 y una reducci\u00f3n de miostatina y TGF-beta, mol\u00e9culas vinculadas a la regulaci\u00f3n del crecimiento y remodelaci\u00f3n muscular.<\/p>\n

 <\/p>\n

Pero hay una paradoja<\/strong><\/h2>\n

El experimento no demostr\u00f3 simplemente que el tadalafil produzca m\u00e1s m\u00fasculo. De hecho, mientras manten\u00eda a las c\u00e9lulas en un estado proliferativo y aparentemente favorable para la maquinaria regenerativa, retrasaba su diferenciaci\u00f3n terminal: se formaron menos miotubos multinucleados positivos para MHC, una etapa necesaria para producir tejido muscular maduro.<\/p>\n

Eso obliga a interpretar el descubrimiento con cautela. Lo observado fue un efecto sobre c\u00e9lulas musculares de rat\u00f3n cultivadas en laboratorio, no una regeneraci\u00f3n de tejido muscular demostrada en animales vivos ni en seres humanos. Tampoco significa que tomar tadalafil aumente la masa muscular o sustituya el ejercicio.<\/p>\n

 <\/p>\n

Una posible herramienta contra la p\u00e9rdida muscular<\/strong><\/h2>\n

Los autores consideran que esta capacidad de mantener una reserva de c\u00e9lulas precursoras proliferativas merece ser investigada como posible terapia complementaria para trastornos caracterizados por p\u00e9rdida o deterioro muscular. El concepto resulta especialmente atractivo para enfermedades en las que la capacidad natural de reparaci\u00f3n del m\u00fasculo se encuentra comprometida.<\/p>\n

La hip\u00f3tesis no aparece de la nada. Investigaciones anteriores sobre inhibidores de PDE5 ya hab\u00edan detectado efectos en la fisiolog\u00eda muscular. Un estudio humano publicado en 2026 encontr\u00f3 cambios moleculares en m\u00fasculo esquel\u00e9tico y sangre despu\u00e9s de administrar sildenafil o tadalafil durante un mes, aunque los efectos fueron diferentes entre ambos medicamentos y los investigadores subrayaron la necesidad de realizar m\u00e1s estudios.<\/p>\n

 <\/p>\n

Tambi\u00e9n preocupa su posible abuso deportivo<\/strong><\/h2>\n

El nuevo trabajo plantea adem\u00e1s una cuesti\u00f3n inc\u00f3moda para el deporte. Si futuras investigaciones confirman que el tadalafil puede modificar de manera \u00fatil la maquinaria regenerativa del m\u00fasculo, su utilizaci\u00f3n podr\u00eda atraer el inter\u00e9s de quienes buscan mejorar recuperaci\u00f3n o rendimiento. Los propios autores se\u00f1alan que esa posibilidad deber\u00eda ser evaluada por organismos antidopaje.<\/p>\n

Por ahora, sin embargo, el descubrimiento pertenece al terreno de la biolog\u00eda experimental. La se\u00f1al es suficientemente interesante para justificar nuevos estudios, pero faltan experimentos en animales, ensayos cl\u00ednicos y mediciones directas de masa, fuerza, funci\u00f3n y seguridad antes de hablar de una terapia regenerativa para seres humanos.<\/p>\n

 <\/p>\n

Un hallazgo prometedor, no una receta<\/strong><\/h2>\n

El atractivo de la noticia est\u00e1 precisamente en el inesperado cambio de escenario: un medicamento asociado durante d\u00e9cadas a la funci\u00f3n er\u00e9ctil podr\u00eda terminar ense\u00f1ando a los cient\u00edficos algo importante sobre la reparaci\u00f3n muscular. Pero entre una placa de laboratorio y un tratamiento m\u00e9dico existe una distancia enorme. El tadalafil no ha demostrado todav\u00eda regenerar m\u00fasculos humanos y no debe utilizarse con ese prop\u00f3sito fuera de sus indicaciones m\u00e9dicas.<\/p>","protected":false},"excerpt":{"rendered":"

Un medicamento conocido por tratar la disfunci\u00f3n er\u00e9ctil acaba de mostrar un efecto inesperado en el laboratorio: el tadalafil, principio activo de Cialis, favoreci\u00f3 la proliferaci\u00f3n y supervivencia de c\u00e9lulas precursoras del m\u00fasculo. El hallazgo abre una v\u00eda para estudiar nuevas terapias contra enfermedades que provocan p\u00e9rdida muscular, aunque todav\u00eda est\u00e1 muy lejos de demostrar […]<\/p>\n","protected":false},"author":284226809,"featured_media":3809,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","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},"jetpack_post_was_ever_published":false},"categories":[33205457,33205441,2127],"tags":[33207005,33207006,33207004,33207003,33207007],"class_list":["post-3806","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-al-dia","category-medicina","category-salud","tag-disfuncion-erectil","tag-pde5","tag-regeneracion-muscular","tag-tadalafil","tag-universidad-roma-foro-italico"],"acf":{"introduccion":"","fuentes_y_referencias":"PubMed \/ Molecular Biology Reports \u2014 Cristina Antinozzi y Luigi Di Luigi, \u2018Prolonged tadalafil exposure promotes skeletal muscle myogenesis and regulates early myogenic markers activation in C2C12 cell lines\u2019, 10 de octubre de 2026, DOI: 10.1007\/s11033-026-12929-x: https:\/\/pubmed.ncbi.nlm.nih.gov\/42859332\/ | ScienceAlert \u2014 \u2018Scientists Discover an Erectile Dysfunction Drug Could Also Regenerate Muscle\u2019, 18 de octubre de 2026: https:\/\/www.sciencealert.com\/scientists-discover-an-erectile-dysfunction-drug-could-also-regenerate-muscle | Physiological Reports \/ PubMed \u2014 \u2018Assessing the therapeutic potential of PDE-5 inhibitors in adults: Insights from a multi-omics study\u2019, septiembre de 2026: https:\/\/pubmed.ncbi.nlm.nih.gov\/42765427\/ | Imagen de portada: Inge Poelman \/ Unsplash.","autor":748},"yoast_head":"\nTadalafil: el f\u00e1rmaco para la disfunci\u00f3n er\u00e9ctil que podr\u00eda regenerar m\u00fasculo<\/title>\n<meta name=\"description\" content=\"Un estudio descubre que el tadalafil favorece c\u00e9lulas precursoras musculares. 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