{"id":10287,"date":"2025-02-04T12:22:12","date_gmt":"2025-02-04T15:22:12","guid":{"rendered":"https:\/\/noti-america.com\/site\/argentina\/?p=10287"},"modified":"2025-02-04T12:22:12","modified_gmt":"2025-02-04T15:22:12","slug":"la-proteina-beta-amiloide-por-si-sola-puede-causar-dano-cerebral-en-enfermos-de-alzheimer-segun-estudio","status":"publish","type":"post","link":"https:\/\/noti-america.com\/site\/argentina\/2025\/02\/04\/la-proteina-beta-amiloide-por-si-sola-puede-causar-dano-cerebral-en-enfermos-de-alzheimer-segun-estudio\/","title":{"rendered":"La prote\u00edna beta amiloide por s\u00ed sola puede causar da\u00f1o cerebral en enfermos de Alzheimer, seg\u00fan estudio"},"content":{"rendered":"<p>NOTI-AMERICA.COM | ARGENTINA<\/p>\n<p style=\"text-align: justify\">Un estudio del Barcelona\u03b2eta Brain Research Center (BBRC), centro de investigaci\u00f3n espa\u00f1ol de la Fundaci\u00f3n Pasqual Maragall, ha identificado que la acumulaci\u00f3n de la prote\u00edna beta amiloide puede, por s\u00ed sola, causar da\u00f1o cerebral en etapas tempranas del Alzheimer.<\/p>\n<p style=\"text-align: justify\">El estudio del BBRC, publicado en la revista Alzheimer&#8217;s &amp; Dementia: The Journal of the Alzheimer&#8217;s Association, proporciona nuevas claves sobre c\u00f3mo se desarrolla esta enfermedad.<\/p>\n<p style=\"text-align: justify\">Los resultados del estudio, patrocinado por la Fundaci\u00f3n \u00abla Caixa\u00bb, han sido posibles gracias a la participaci\u00f3n de 360 voluntarios de mediana edad sin deterioro cognitivo de la cohorte Alfa (grupo de individuos que comparten una caracter\u00edstica com\u00fan).<\/p>\n<p style=\"text-align: justify\">El hallazgo abre la puerta a enfoques preventivos y tratamientos m\u00e1s tempranos, que podr\u00edan ralentizar el avance de la enfermedad del Alzheimer.<\/p>\n<p style=\"text-align: justify\">Hasta ahora se cre\u00eda que la neurodegeneraci\u00f3n en el Alzheimer, especialmente la que afecta al l\u00f3bulo temporal medial del cerebro -una regi\u00f3n esencial para la funci\u00f3n de la memoria-, se produc\u00eda \u00fanicamente cuando estaban presentes dos prote\u00ednas clave: la beta amiloide y la tau.<\/p>\n<p style=\"text-align: justify\">Sin embargo, este nuevo trabajo sugiere que la acumulaci\u00f3n de la beta amiloide puede, por s\u00ed sola, desencadenar da\u00f1o cerebral y p\u00e9rdida de memoria en las primeras etapas, incluso sin la presencia de niveles altos de tau.<\/p>\n<p style=\"text-align: justify\">Para llegar a esta conclusi\u00f3n, el equipo de investigadores del BBRC, liderado por el doctor Raffaele Cacciaglia, ha trabajado con dos cohortes independientes de personas sin deterioro cognitivo, para analizar datos a trav\u00e9s de resonancias magn\u00e9ticas de alta resoluci\u00f3n y marcadores de la enfermedad.<\/p>\n<p style=\"text-align: justify\">Los resultados demuestran que la acumulaci\u00f3n de beta amiloide puede ser un indicador de cambios estructurales en el cerebro y un posible deterioro de la memoria antes de la aparici\u00f3n de s\u00edntomas evidentes.<\/p>\n<p style=\"text-align: justify\">Seg\u00fan el doctor Raffaele Cacciaglia, investigador del BBRC y l\u00edder del estudio, \u00aben los \u00faltimos a\u00f1os se han aprobado los primeros medicamentos para reducir la acumulaci\u00f3n de beta amiloide en el cerebro de personas en las primeras fases del Alzheimer\u00bb.<\/p>\n<p style=\"text-align: justify\">La investigaci\u00f3n, ha a\u00f1adido Cacciaglia, sugiere que \u00abintervenir en etapas tempranas, antes de que aparezcan s\u00edntomas, podr\u00eda ralentizar la progresi\u00f3n de la enfermedad\u00bb.<\/p>\n<p style=\"text-align: justify\">\u00abLa beta amiloide -ha precisado- parece afectar directamente el hipocampo, una regi\u00f3n clave para la memoria, por lo que actuar de forma anticipada podr\u00eda reducir significativamente los riesgos asociados al Alzheimer\u00bb.<\/p>\n<p style=\"text-align: justify\">Un paso m\u00e1s hacia la prevenci\u00f3n del Alzheimer<\/p>\n<p style=\"text-align: justify\">El estudio ha analizado muestras de l\u00edquido cefalorraqu\u00eddeo de 360 personas voluntarias de la cohorte Alfa impulsada por la Fundaci\u00f3n \u00abla Caixa\u00bb, y ha empleado tecnolog\u00edas de \u00faltima generaci\u00f3n para capturar im\u00e1genes detalladas del hipocampo y otras estructuras del cerebro mediante t\u00e9cnicas avanzadas de resonancia magn\u00e9tica.<\/p>\n<p style=\"text-align: justify\">Adem\u00e1s, los datos de los participantes Alfa se han cotejado con la cohorte de validaci\u00f3n EPAD, sin s\u00edntomas de Alzheimer ni presencia de prote\u00edna tau.<\/p>\n<p style=\"text-align: justify\">El descubrimiento, seg\u00fan el cual la prote\u00edna beta amiloide por s\u00ed sola puede causar atrofia inicial en regiones cr\u00edticas del cerebro, subraya la importancia de la detecci\u00f3n temprana y la prevenci\u00f3n.<\/p>\n<p style=\"text-align: justify\">Refuerza, adem\u00e1s, la necesidad de los ensayos cl\u00ednicos dirigidos a personas con perfiles de riesgo, antes de que el Alzheimer empiece a manifestarse.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NOTI-AMERICA.COM | ARGENTINA Un estudio del Barcelona\u03b2eta Brain Research Center (BBRC), centro de investigaci\u00f3n espa\u00f1ol de la Fundaci\u00f3n Pasqual Maragall, ha identificado que la acumulaci\u00f3n de la prote\u00edna beta amiloide puede, por s\u00ed sola,&#46;&#46;&#46;<\/p>\n","protected":false},"author":133,"featured_media":10288,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":{"twitter_242054905_242054905":""},"rop_publish_now_history":[],"rop_publish_now_status":"pending","_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[307],"tags":[],"class_list":["post-10287","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-salud-2","post_format-post-format-image"],"acf":[],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.9 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>La prote\u00edna beta amiloide por s\u00ed sola puede causar da\u00f1o cerebral en enfermos de Alzheimer, seg\u00fan estudio - Argentina | Noti-America.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/noti-america.com\/site\/argentina\/2025\/02\/04\/la-proteina-beta-amiloide-por-si-sola-puede-causar-dano-cerebral-en-enfermos-de-alzheimer-segun-estudio\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La prote\u00edna beta amiloide por s\u00ed sola puede causar da\u00f1o cerebral en enfermos de Alzheimer, seg\u00fan estudio\" \/>\n<meta property=\"og:description\" content=\"NOTI-AMERICA.COM | ARGENTINA Un estudio del Barcelona\u03b2eta Brain Research Center (BBRC), centro de investigaci\u00f3n espa\u00f1ol de la Fundaci\u00f3n Pasqual Maragall, ha identificado que la acumulaci\u00f3n de la prote\u00edna beta amiloide puede, por s\u00ed 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