{"id":24342,"date":"2025-01-01T16:52:26","date_gmt":"2025-01-01T21:52:26","guid":{"rendered":"https:\/\/www.americanonewspaper.com\/es\/?p=24342"},"modified":"2025-01-01T16:52:28","modified_gmt":"2025-01-01T21:52:28","slug":"el-punto-de-envejecimiento-cerebral","status":"publish","type":"post","link":"https:\/\/www.americanonewspaper.com\/es\/ciencia-y-tecnologia\/el-punto-de-envejecimiento-cerebral\/","title":{"rendered":"El Punto de Envejecimiento Cerebral"},"content":{"rendered":"\n<p>Redacci\u00f3n Ciencia, 1 ene (EFE).- <\/p>\n\n\n\n<p class=\"dropcapp3\">Un grupo de investigadores ha identificado los cambios gen\u00e9ticos en el cerebro que inducen el envejecimiento, as\u00ed como la zona donde esas alteraciones est\u00e1n m\u00e1s presentes, lo que podr\u00eda contribuir de manera significativa al desarrollo de terapias para ralentizar o controlar el deterioro causado por la edad.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"366\" src=\"https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2025\/01\/GGlSpanish-1-800x366.png\" alt=\"\" class=\"wp-image-24339\" style=\"width:1068px;height:auto\" srcset=\"https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2025\/01\/GGlSpanish-1-800x366.png 800w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2025\/01\/GGlSpanish-1-300x137.png 300w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2025\/01\/GGlSpanish-1-768x351.png 768w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2025\/01\/GGlSpanish-1-150x69.png 150w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2025\/01\/GGlSpanish-1-696x318.png 696w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2025\/01\/GGlSpanish-1-1068x489.png 1068w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2025\/01\/GGlSpanish-1.png 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Los hallazgos, descritos este mi\u00e9rcoles en la revista Nature, son fruto del mapeo gen\u00e9tico de m\u00e1s de 1,2 millones de c\u00e9lulas de 16 regiones del cerebro de ratones j\u00f3venes (de dos meses) y viejos (de 18 meses), en el marco de la ambiciosa iniciativa de investigaci\u00f3n cerebral BRAIN, financiada por los Institutos Nacionales de la Salud de Estados Unidos.<\/p>\n\n\n\n<p>La ciencia recurre al cerebro de los ratones para estudiar el humano ya que comparten similitudes en cuanto a estructura, funci\u00f3n, genes y tipos celulares. En este caso, los ratones envejecidos usados en el estudio equivalen a la mediana edad en el ser humano.<\/p>\n\n\n\n<p>Al estudiar los cerebros de ratones j\u00f3venes y viejos, los cient\u00edficos han visto que hay docenas de tipos celulares espec\u00edficos que sufren cambios significativos en su expresi\u00f3n g\u00e9nica con la edad: mientras los genes asociados a la inflamaci\u00f3n aumentan su actividad al envejecer, los relacionados con la estructura y funci\u00f3n neuronal la disminuyen.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/nissanofnorthplainfield.com\/?utm_source=gmb&amp;utm_medium=organic&amp;utm_campaign=website-button\" target=\"_blank\" rel=\" noreferrer noopener\"><img decoding=\"async\" width=\"800\" height=\"382\" src=\"https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Nissan-copy-1-1-4-800x382.jpg\" alt=\"Reclame descuento de $1000 mencionando este anuncio.\" class=\"wp-image-24264\" style=\"width:1068px;height:auto\" srcset=\"https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Nissan-copy-1-1-4-800x382.jpg 800w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Nissan-copy-1-1-4-300x143.jpg 300w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Nissan-copy-1-1-4-768x367.jpg 768w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Nissan-copy-1-1-4-150x72.jpg 150w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Nissan-copy-1-1-4-696x332.jpg 696w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Nissan-copy-1-1-4-1068x510.jpg 1068w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Nissan-copy-1-1-4.jpg 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\">Reclame descuento de $1000 mencionando este anuncio.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conexion-con-la-dieta\"><strong>Conexi\u00f3n con la dieta<\/strong><\/h2>\n\n\n\n<p>Adem\u00e1s, han descubierto un &#8216;punto caliente&#8217; espec\u00edfico en el cerebro, en el hipot\u00e1lamo, en el que se produce de forma intensa tanto la disminuci\u00f3n de la funci\u00f3n neuronal como el aumento de la inflamaci\u00f3n.<\/p>\n\n\n\n<p>Los cambios m\u00e1s significativos en la expresi\u00f3n g\u00e9nica se han observado en tipos de c\u00e9lulas cercanas al tercer ventr\u00edculo del hipot\u00e1lamo, una zona del cerebro que produce hormonas que controlan, entre otros, la temperatura corporal, la ingesta de alimentos, el uso de la energ\u00eda recibida de la comida, el metabolismo o la forma en que el cuerpo utiliza los nutrientes.<\/p>\n\n\n\n<p>Este hallazgo implicar\u00eda, seg\u00fan los autores, que existe una conexi\u00f3n entre dieta, estilo de vida, envejecimiento cerebral y los cambios gen\u00e9ticos que pueden influir en una mayor vulnerabilidad a los trastornos cerebrales relacionados con la edad.<\/p>\n\n\n\n<p>&#8220;Nuestra hip\u00f3tesis es que hay tipos de c\u00e9lulas en el cerebro que se van haciendo menos eficientes con la edad y contribuyen al envejecimiento del resto del cuerpo&#8221;, explica en un comunicado una de las autoras, Kelly Jin, cient\u00edfica del Instituto Allen de Ciencias del Cerebro de la universidad estadounidense de Washington.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/www.lexusofbridgewater.com\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img decoding=\"async\" width=\"800\" height=\"400\" src=\"https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Lexus-copy-1-800x400.webp\" alt=\"\" class=\"wp-image-24241\" style=\"width:1068px;height:auto\" srcset=\"https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Lexus-copy-1-800x400.webp 800w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Lexus-copy-1-300x150.webp 300w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Lexus-copy-1-768x384.webp 768w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Lexus-copy-1-150x75.webp 150w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Lexus-copy-1-696x348.webp 696w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Lexus-copy-1-1068x534.webp 1068w, https:\/\/www.americanonewspaper.com\/es\/wp-content\/uploads\/2024\/12\/Lexus-copy-1.webp 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-nuevos-tratamientos\"><strong>Nuevos tratamientos<\/strong><\/h2>\n\n\n\n<p>El estudio &#8220;sienta las bases para desarrollar intervenciones diet\u00e9ticas o farmacol\u00f3gicas destinadas combatir el envejecimiento celular y mantener la salud neurol\u00f3gica hasta una edad avanzada&#8221;, agrega la investigadora.<\/p>\n\n\n\n<p>&#8220;Queremos desarrollar herramientas que puedan dirigirse a esos tipos de c\u00e9lulas, mejorar su funci\u00f3n y ver si as\u00ed podemos retrasar el proceso de envejecimiento&#8221;, se\u00f1ala el doctor Hongkui Zeng, director del Instituto Allen.<\/p>\n\n\n\n<p>Esta investigaci\u00f3n se alinea con otros estudios recientes que han relacionado el envejecimiento con cambios metab\u00f3licos, as\u00ed como con investigaciones que sugieren que el ayuno intermitente, una dieta equilibrada o la restricci\u00f3n cal\u00f3rica podr\u00edan mejorar la esperanza de vida.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redacci\u00f3n Ciencia, 1 ene (EFE).- Un grupo de investigadores ha identificado los cambios gen\u00e9ticos en el cerebro que inducen el envejecimiento, as\u00ed como la zona donde esas alteraciones est\u00e1n m\u00e1s presentes, lo que podr\u00eda contribuir de manera significativa al desarrollo de terapias para ralentizar o controlar el deterioro causado por la edad. Los hallazgos, descritos [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":24343,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_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},"_wpas_customize_per_network":false},"categories":[593],"tags":[],"class_list":{"0":"post-24342","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-ciencia-y-tecnologia"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>El Punto de Envejecimiento Cerebral - Americano 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