{"id":7356,"date":"2016-08-14T15:00:51","date_gmt":"2016-08-14T20:00:51","guid":{"rendered":"http:\/\/panamaextrema.com\/pe\/?p=7356"},"modified":"2016-08-11T10:10:07","modified_gmt":"2016-08-11T15:10:07","slug":"hallan-mutacion-genetica-bloquea-vih","status":"publish","type":"post","link":"https:\/\/panamaextrema.com\/pe\/hallan-mutacion-genetica-bloquea-vih\/","title":{"rendered":"Hallan mutaci\u00f3n gen\u00e9tica que bloquea el VIH"},"content":{"rendered":"<p>Cient\u00edficos del Instituto espa\u00f1ol de Investigaci\u00f3n del Sida IrsiCaixa han identificado una mutaci\u00f3n gen\u00e9tica en personas con Sida que bloquea la entrada del VIH en c\u00e9lulas del sistema inmunitario, al impedir la producci\u00f3n de una prote\u00edna que facilita su penetraci\u00f3n en el organismo.<\/p>\n<p>El estudio, que publica la revista Nature Communications, permite demostrar que esta mutaci\u00f3n gen\u00e9tica impide la producci\u00f3n de la prote\u00edna Siglec-1, que facilita la penetraci\u00f3n del Virus de Inmunodeficiencia Humana (VIH) en las c\u00e9lulas mieloides, lo que abre la puerta a desarrollar f\u00e1rmacos complementarios a los actuales que bloqueen esta prote\u00edna sin sufrir efectos secundarios.<\/p>\n<p>El trabajo fue realizado por investigadores del Instituto de Investigaci\u00f3n del Sida IrsiCaixa, un entidad espa\u00f1ola de colaboraci\u00f3n p\u00fablico y privada, y la Universidad de Lausanne (Suiza), junto con los grupos de estudio de la cohorte suiza SHCS y la norteamericana MACS.<\/p>\n<p>\u00abEl estudio de la gen\u00e9tica humana y de las personas que carecen de un receptor de manera natural nos puede dar mucha informaci\u00f3n sobre futuras terapias a desarrollar\u00bb, destac\u00f3 Nuria Izquierdo-Useros, investigadora de IrsiCaixa que colidera el estudio junto con Amalio Telenti, del Instituto Craig Venter en California.<\/p>\n<p>Un mecanismo clave en el proceso de diseminaci\u00f3n del VIH en el organismo es la infecci\u00f3n de sus c\u00e9lulas diana, los linfocitos T-CD4, a trav\u00e9s de las c\u00e9lulas del sistema inmunitario denominadas mieloides.<\/p>\n<p>Este proceso, que se conoce como transinfecci\u00f3n, ocurre cuando el virus penetra en las c\u00e9lulas mieloides, se refugia en su interior y desde ah\u00ed infecta a los linfocitos T-CD4.<\/p>\n<p>El estudio de los cient\u00edficos identifica ahora por primera vez en personas infectadas por el VIH una variante gen\u00e9tica que impide la producci\u00f3n de Siglec-1, el receptor que permite esta entrada del virus en las c\u00e9lulas mieloides y su subsiguiente transinfecci\u00f3n a los linfocitos T-CD4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cient\u00edficos del Instituto espa\u00f1ol de Investigaci\u00f3n del Sida IrsiCaixa han identificado una mutaci\u00f3n gen\u00e9tica en personas con Sida que bloquea la entrada del VIH en c\u00e9lulas del sistema inmunitario, al impedir la producci\u00f3n de una prote\u00edna que facilita su penetraci\u00f3n en el organismo. El estudio, que publica la revista Nature Communications, permite demostrar que esta &hellip;<\/p>\n","protected":false},"author":2,"featured_media":7357,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[40],"tags":[],"class_list":["post-7356","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hallan mutaci\u00f3n gen\u00e9tica que bloquea el VIH &#171; PanamaExtrema.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:\/\/panamaextrema.com\/pe\/hallan-mutacion-genetica-bloquea-vih\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hallan mutaci\u00f3n gen\u00e9tica que bloquea el VIH &#171; PanamaExtrema.com\" \/>\n<meta property=\"og:description\" content=\"Cient\u00edficos del Instituto espa\u00f1ol de Investigaci\u00f3n del Sida IrsiCaixa han identificado una mutaci\u00f3n gen\u00e9tica en personas con Sida que bloquea la entrada del VIH en c\u00e9lulas del sistema inmunitario, al impedir la producci\u00f3n de una prote\u00edna que facilita su penetraci\u00f3n en el organismo. 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