{"id":7356,"date":"2026-11-08T03:14:45","date_gmt":"2026-11-08T08:14:45","guid":{"rendered":"https:\/\/canasanta.ca\/?p=7356"},"modified":"2026-11-08T03:14:45","modified_gmt":"2026-11-08T08:14:45","slug":"brocoli-sulforafano-ataxia-friedreich","status":"publish","type":"post","link":"https:\/\/canasanta.ca\/en\/ciencia\/brocoli-sulforafano-ataxia-friedreich\/","title":{"rendered":"EL BR\u00d3COLI ABRE UNA V\u00cdA CONTRA UNA ENFERMEDAD GEN\u00c9TICA"},"content":{"rendered":"

Una sustancia presente en el br\u00f3coli ha despertado el inter\u00e9s de investigadores australianos por su posible utilidad frente a una enfermedad neurol\u00f3gica hereditaria. El compuesto, llamado sulforafano<\/strong>, mostr\u00f3 efectos favorables en modelos celulares de la ataxia de Friedreich<\/strong>, una afecci\u00f3n progresiva que perjudica la coordinaci\u00f3n y puede comprometer el coraz\u00f3n. El hallazgo es prometedor, pero todav\u00eda no demuestra que comer br\u00f3coli o tomar suplementos sirva para tratar la enfermedad.<\/p>\n

El trabajo fue divulgado originalmente el 10 de agosto de 2026<\/strong> por la Universidad Tecnol\u00f3gica de Swinburne<\/strong>, en Australia, y posteriormente volvi\u00f3 a circular en medios cient\u00edficos durante noviembre. Su relevancia reside en una posibilidad terap\u00e9utica que a\u00fan debe superar ensayos cl\u00ednicos, no en un supuesto descubrimiento ocurrido esta madrugada.<\/p>\n

UNA ENFERMEDAD QUE DA\u00d1A EL SISTEMA NERVIOSO<\/h2>\n

La ataxia de Friedreich suele comenzar durante la infancia o la adolescencia. A medida que avanza, las personas afectadas pueden experimentar dificultades para mantener el equilibrio, caminar y articular palabras. La enfermedad tambi\u00e9n puede afectar otros \u00f3rganos. Su evoluci\u00f3n y gravedad var\u00edan, pero el impacto sobre la autonom\u00eda de los pacientes y sus familias puede ser considerable.<\/p>\n

En el origen del trastorno se encuentra una alteraci\u00f3n gen\u00e9tica que reduce la disponibilidad de frataxina<\/strong>, una prote\u00edna indispensable para el funcionamiento celular. La deficiencia afecta especialmente a tejidos que necesitan mucha energ\u00eda, entre ellos las neuronas y el m\u00fasculo card\u00edaco. Por eso, aumentar la frataxina constituye una de las estrategias investigadas para abordar el problema desde su base biol\u00f3gica.<\/p>\n

QU\u00c9 ENCONTRARON EN EL LABORATORIO<\/h2>\n

El equipo encabezado por la investigadora Faith Kwa<\/strong> examin\u00f3 el comportamiento del sulforafano en neuronas sensoriales obtenidas a partir de c\u00e9lulas madre pluripotentes inducidas. Este modelo permite estudiar procesos vinculados con la enfermedad en el laboratorio, aunque no reproduce por completo lo que sucede en un paciente a lo largo de los a\u00f1os.<\/p>\n

Los resultados indicaron que el compuesto pod\u00eda elevar los niveles de frataxina y ayudar a proteger c\u00e9lulas nerviosas vulnerables. Tambi\u00e9n se observaron efectos relacionados con mecanismos de estr\u00e9s celular e inflamaci\u00f3n. Es una combinaci\u00f3n interesante porque la ataxia de Friedreich no depende de un \u00fanico proceso de da\u00f1o, sino de varias alteraciones que se refuerzan entre s\u00ed.<\/p>\n

\"Investigadora
Investigaci\u00f3n biom\u00e9dica. Fotograf\u00eda de contexto: National Cancer Institute \/ Unsplash.<\/figcaption><\/figure>\n

El sulforafano pertenece a una familia de sustancias derivadas de vegetales cruc\u00edferos. Su presencia en alimentos cotidianos resulta atractiva desde el punto de vista de la investigaci\u00f3n farmacol\u00f3gica, pero no debe confundirse el consumo de una verdura con la administraci\u00f3n controlada de un compuesto purificado. Las dosis, la absorci\u00f3n y la actividad biol\u00f3gica pueden ser muy diferentes.<\/p>\n

POR QU\u00c9 NO ES TODAV\u00cdA UN TRATAMIENTO<\/h2>\n

Los autores consideran que la experiencia previa de investigaci\u00f3n sobre la seguridad del sulforafano podr\u00eda facilitar nuevos estudios. Sin embargo, una sustancia conocida no se convierte autom\u00e1ticamente en medicamento eficaz: antes deben determinarse dosis apropiadas, efectos adversos, interacciones y, sobre todo, beneficios cl\u00ednicos comprobables.<\/p>\n

En Australia, la universidad calcula que unas doscientas personas viven con esta enfermedad poco frecuente. Esa cifra ilustra una dificultad habitual en la investigaci\u00f3n de trastornos raros: reunir participantes suficientes y financiar ensayos rigurosos exige esfuerzos sostenidos. La escasez de pacientes no reduce la importancia m\u00e9dica de encontrar mejores alternativas.<\/p>\n

EL DESAF\u00cdO DE LLEGAR A LOS PACIENTES<\/h2>\n

La investigadora Faith Kwa<\/strong> y sus colaboradores esperan conseguir recursos para evaluar el compuesto en estudios cl\u00ednicos. Esos ensayos tendr\u00edan que establecer si los cambios observados en c\u00e9lulas se traducen en mejoras medibles de movimiento, funci\u00f3n neurol\u00f3gica, calidad de vida o evoluci\u00f3n de la enfermedad.<\/p>\n

El inter\u00e9s cient\u00edfico tampoco significa que no existan tratamientos para ning\u00fan paciente. En determinados pa\u00edses se dispone de terapias autorizadas para grupos espec\u00edficos de personas con ataxia de Friedreich, aunque no representan una cura universal. La disponibilidad y las indicaciones dependen de la jurisdicci\u00f3n y de la evaluaci\u00f3n m\u00e9dica.<\/p>\n

El estudio plantea, en definitiva, una pregunta relevante: \u00bfpuede una mol\u00e9cula conocida contribuir a corregir parte del da\u00f1o causado por una alteraci\u00f3n gen\u00e9tica? Por ahora, la respuesta se limita a resultados precl\u00ednicos. La investigaci\u00f3n ofrece una direcci\u00f3n para futuros tratamientos, no una recomendaci\u00f3n para sustituir atenci\u00f3n especializada por dietas o suplementos.<\/p>","protected":false},"excerpt":{"rendered":"

Un estudio australiano investiga si el sulforafano puede proteger neuronas afectadas por la ataxia de Friedreich. Los resultados son precl\u00ednicos.<\/p>","protected":false},"author":284226809,"featured_media":7354,"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":[33205457,3213],"tags":[],"class_list":["post-7356","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-al-dia","category-ciencia"],"acf":{"introduccion":"","fuentes_y_referencias":"Swinburne University of Technology (10 agosto 2026): https:\/\/static.swinburne.edu.au\/news\/2026\/08\/broccoli-could-treat-untreatable-rare-nerve-disease-swinburne-research-finds ; Yang y colaboradores, Antioxidants & Redox Signaling (2026), DOI: 10.1177\/15230864261470377","autor":748},"yoast_head":"\nEL BR\u00d3COLI ABRE UNA V\u00cdA CONTRA UNA ENFERMEDAD GEN\u00c9TICA - Ca\u00f1asanta<\/title>\n<meta name=\"description\" content=\"Investigadores australianos estudian el sulforafano del br\u00f3coli frente a la ataxia de Friedreich. 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