{"id":37872,"date":"2016-07-29T00:00:00","date_gmt":"2016-07-29T04:00:00","guid":{"rendered":"https:\/\/dev.explora.cl\/rmnorte\/blog\/2016\/07\/29\/la-ciencia-una-serendipia\/"},"modified":"2019-05-20T17:18:47","modified_gmt":"2019-05-20T17:18:47","slug":"la-ciencia-una-serendipia","status":"publish","type":"post","link":"https:\/\/dev.explora.cl\/rmnorte\/la-ciencia-una-serendipia\/","title":{"rendered":"La ciencia, una serendipia"},"content":{"rendered":"<p style=\"text-align: justify\">Peces cebra, moscas de la fruta, ranas, ratas, ratones knockout y nematodos son los principales modelos experimentales utilizados en ciencias biol\u00f3gicas. Sin embargo, hay un peque\u00f1o mam\u00edfero chileno que facilita el estudio de enfermedades humanas. El Premio Nacional de Ciencias Naturales y neurobi\u00f3logo Nibaldo Inestrosa lo descubri\u00f3 hace m\u00e1s de una d\u00e9cada de pura casualidad.<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" decoding=\"async\" class=\" alignright size-full wp-image-19433\" style=\"float: right\" src=\"http:\/\/ec2-54-245-22-188.us-west-2.compute.amazonaws.com\/wp-content\/uploads\/2016\/07\/serendipia-02.jpg\" alt=\"\" width=\"512\" height=\"256\" \/>\u00a0\u201cHace unos a\u00f1os, visit\u00e9 a mi colega Francisco Bozinovic en su laboratorio y mientras me contaba sus investigaciones, me llam\u00f3 la atenci\u00f3n un animal peque\u00f1o y peludo que estaba en un rinc\u00f3n. La curiosidad no pudo conmigo y le pregunt\u00e9 que era\u201d, comenta el neurobi\u00f3logo.<\/p>\n<p style=\"text-align: justify\">&#8211; Es un degus, el alimento de los zorritos que estoy estudiando.<\/p>\n<p style=\"text-align: justify\">-\u00bfY por qu\u00e9 no se mueve?<\/p>\n<p style=\"text-align: justify\">&#8211; Est\u00e1 ciego, tiene cataratas.<\/p>\n<p style=\"text-align: justify\">Fue a partir de esta conversaci\u00f3n como surgi\u00f3 el inter\u00e9s por parte del neurobi\u00f3logo Nibaldo Inestrosa, de investigar con este peque\u00f1o roedor, t\u00edpico de praderas, matorrales y espinales de Chile Central.<\/p>\n<p style=\"text-align: justify\">Tras leer en la literatura cient\u00edfica, el investigador descubri\u00f3 que el degus desarrollaba de forma espont\u00e1nea varias condiciones fisiopatol\u00f3gicas, similares a las experimentadas por los seres humanos. Entre las enfermedades descritas estaba la diabetes y varias neurodegenerativas asociadas al envejecimiento, como cataratas y enfermedad de Alzheimer (EA). El degus genera dep\u00f3sitos de beta- amiloide an\u00e1logos a los observados en algunos casos de Alzheimer, y se cree que estos dep\u00f3sitos son la caracter\u00edstica clave para el diagn\u00f3stico de EA, y una de las causas de la p\u00e9rdida de c\u00e9lulas y el d\u00e9ficit cognitivo.<\/p>\n<p style=\"text-align: justify\"><strong>Nuevo modelo<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" alignleft size-full wp-image-19434\" style=\"float: left\" src=\"http:\/\/ec2-54-245-22-188.us-west-2.compute.amazonaws.com\/wp-content\/uploads\/2016\/07\/serendipia-03.jpg\" alt=\"\" width=\"343\" height=\"232\" \/>El degus se convirti\u00f3 en un potente modelo para la investigaci\u00f3n biom\u00e9dica, luego de que el Dr. Inestrosa caracterizara los marcadores histopatol\u00f3gicos asociados al avance de la enfermedad de Alzheimer tales como activaci\u00f3n glial, aumento de marcadores de estr\u00e9s oxidativo, muerte neuronal, y la expresi\u00f3n de receptores de peroxisomas.\u00a0<\/p>\n<p style=\"text-align: justify\">Paralelamente surgi\u00f3 la colaboraci\u00f3n con el ecofisi\u00f3logo Francisco Bozinovic, quien aport\u00f3 a la investigaci\u00f3n una aproximaci\u00f3n integrativa de ecolog\u00eda cognitiva. Fue as\u00ed como se determin\u00f3 que distintos factores del ambiente biol\u00f3gico pueden influir sobre las habilidades cognitivas y la aparici\u00f3n, y posterior progresi\u00f3n, de trastornos neurodegenerativos como el Alzheimer. Entre los factores ambientales probados estaban distintas dietas, la experiencia social temprana, y experiencias sociales adultas.<\/p>\n<p style=\"text-align: justify\">Los acad\u00e9micos Bozinovic e Inestrosa pertenecen a centros con financiamiento basal del Estado de Chile. El Dr. Nibaldo Inestrosa es director e investigador del Centro de Envejecimiento y Regeneraci\u00f3n (CARE), y el Dr. Francisco Bozinovic es investigador del Centro de Ecolog\u00eda Aplicada y Sustentabilidad (CAPES).<\/p>\n<p style=\"text-align: justify\">\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Peces cebra, moscas de la fruta, ranas, ratas, ratones knockout y nematodos son los principales modelos experimentales utilizados en ciencias biol\u00f3gicas. Sin embargo, hay un peque\u00f1o mam\u00edfero chileno que facilita el estudio de enfermedades humanas. El Premio Nacional de Ciencias Naturales y neurobi\u00f3logo Nibaldo Inestrosa lo descubri\u00f3 hace m\u00e1s de una d\u00e9cada de pura casualidad. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[4],"tags":[],"class_list":["post-37872","post","type-post","status-publish","format-standard","hentry","category-noticias"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La ciencia, una serendipia - RM Norte<\/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:\/\/dev.explora.cl\/rmnorte\/la-ciencia-una-serendipia\/\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:type\" content=\"article\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:title\" content=\"La ciencia, una serendipia - RM Norte\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:description\" content=\"Peces cebra, moscas de la fruta, ranas, ratas, ratones knockout y nematodos son los principales modelos experimentales utilizados en ciencias biol\u00f3gicas. 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