{"id":60301,"date":"2018-03-09T22:48:07","date_gmt":"2018-03-09T22:48:07","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-experimental-de-la-regionalizacion-prosencefalica\/"},"modified":"2018-03-09T22:48:07","modified_gmt":"2018-03-09T22:48:07","slug":"estudio-experimental-de-la-regionalizacion-prosencefalica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/estudio-experimental-de-la-regionalizacion-prosencefalica\/","title":{"rendered":"Estudio experimental de la regionalizacion prosencefalica"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda  Antonia Alonso Fuentes <\/strong><\/h2>\n<p>El proceso de regionalizaci\u00f3n que subyace a la complejidad del prosenc\u00e9falo comienza desde la etapa de placa neural y se manifiesta por la expresi\u00f3n de genes que definen distintos dominios a lo largo de sus ejes. Son muchos los procesos celulares que participan en este fen\u00f3meno, desde la proliferaci\u00f3n de las c\u00e9lulas precursoras, al establecimiento de conexiones espec\u00edficas, pasando por la adquisici\u00f3n del fenotipo y por la migraci\u00f3n desde las zonas de origen hasta las zonas de destino. Estos procesos, comunes a lo largo de todo el tubo neural, siguen pautas particulares en cada zona seg\u00fan la especificaci\u00f3n g\u00e9nica de cada una y las interacciones inductivas de tipo secundario que reciben. una de las regiones prosencef\u00e1licas menos estudiada es la zona de transici\u00f3n telenc\u00e9falo-diencef\u00e1lica, que incluye al pret\u00e1lamo rostral y a la regi\u00f3n peripeduncular rostral a \u00e9l.  en este trabajo hemos prestado especital atenci\u00f3n a las migraciones celulares que contribuyen al desarrollo de esta zona. Usando quimeras pollo\/codorniza como modelo experimental, hemos demostrado que la eminencia pretal\u00e1mica (emt), adem\u00e1s de generar el rudimento del que surgen la mayor\u00eda de los n\u00facleos del pret\u00e1lamo  rostral, produce c\u00e9lulas que migran hacia el subpallium pasando a formar parte de algunos de los n\u00facleos que caracterizan esta zona. Pero nuestros trasplantes no se han circunscrito exclusivamente a la emt, ya que hemos explorado adem\u00e1s otros territorios prosencef\u00e1licos rostrales y caudales a ella. Esto nos ha permitido comprobar que, mientras que las c\u00e9lulas de territorios diencef\u00e1licos caudales a la emt no migran arstralmente m\u00e1s all\u00e1 de esta estrucutra, las c\u00e9luals generadas en algunos territorios paliales pueden migrar a distintas agrupaciones subpaliales, alcanzando incluso la emt. A la luz del patr\u00f3n de expresi\u00f3n de los genes tbr1. Tbr2 y pax6 hemos podido dilucidar algunos aspectos de la subdivisi\u00f3n prosencef\u00e1lica todav\u00eda problem\u00e1ticos, especialm<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio experimental de la regionalizacion prosencefalica<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio experimental de la regionalizacion prosencefalica <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda  Antonia Alonso Fuentes <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/07\/2007<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Carmen Mar\u00eda Trujillo Trujillo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Puelles lopez <\/li>\n<li>tomas Gonzalez hernandez (vocal)<\/li>\n<li>loreta Medina hernandez (vocal)<\/li>\n<li>Fernando Martinez garcia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Antonia Alonso Fuentes El proceso de regionalizaci\u00f3n que subyace a la complejidad del prosenc\u00e9falo comienza desde [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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