{"id":19721,"date":"2018-03-09T09:08:48","date_gmt":"2018-03-09T09:08:48","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/la-familia-genica-snail-en-el-desarrollo-de-la-cresta-neural\/"},"modified":"2018-03-09T09:08:48","modified_gmt":"2018-03-09T09:08:48","slug":"la-familia-genica-snail-en-el-desarrollo-de-la-cresta-neural","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/la-familia-genica-snail-en-el-desarrollo-de-la-cresta-neural\/","title":{"rendered":"La familia genica snail en el desarrollo de la cresta neural"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Garc\u00eda Del Barrio Marta <\/strong><\/h2>\n<p>Los miembros de la familia g\u00e9nica snail son fctores de transcripci\u00f3n del tipo dedos de zinc implicados en m\u00faltiples procesos durante el desarrollo embrionario incluyendo la formaci\u00f3n del mesodermo y de la cresta neural (review, nieto, 2002). La cresta neural es una poblaci\u00f3n celular multipotente que da lugar al sistema nervioso perif\u00e9rico, las c\u00e9lulas pigmentarias y el esqueleto craneofacial entre otros derivados. Se origina en la parte dorsal del tubo neural. Estas c\u00e9lulas, as\u00ed como las del mesodermo, sufren una transici\u00f3n epitelio mes\u00e9nquima (tem) y delaminan del tubo neural o la l\u00ednea primitiva respectivamente, para migrar grandes distancias hasta alcanzar sus lugares de destino (le dourain y kalcheim, 1999).  el objetivo de nuestro estudio fue determinar el papel de esta familia g\u00e9nica en el desarrollo de la cresta neural en el embri\u00f3n de pollo. Experimentos de falta de funci\u00f3n de slug -un miembro de esta familia- indicaron que este gen es crucial para la migraci\u00f3n de la cresta neural (nieto y col., 1994). As\u00ed, decidimos llevar a cabo experimentos complementarios de ganancia de funci\u00f3n mediante la sobreexpresi\u00f3n de slug en el tubo neural del embri\u00f3n de pollo y estudiar sus efectos. Como estrategia experimental para la sobreexpresi\u00f3n se ha utilizado la electroporaci\u00f3n in ovo.  conoc\u00edamos previamente que el patr\u00f3n de expresi\u00f3n de dos miembros de la familia, slug y snail, estaban intercambiados entre pollo y rat\u00f3n durante el desarrollo de la cresta neural. Slug se expresa en los precursores de la cresta neural en el tubo neural y snail en la poblaci\u00f3n migratoria, mientra en rat\u00f3n, es snail el miembro de la familia que se expresa en los precursores de la cresta (sefton y col., 1994).  nuestro prop\u00f3sito fue estudiar la posibilidad de una equiValencia funcional de los miembros de la familia en el desarrollo de la cresta neural. Para contestar a estas cuestiones, hemos expresado ect\u00f3picamente snail de pollo y<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>La familia genica snail en el desarrollo de la cresta neural<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 La familia genica snail en el desarrollo de la cresta neural <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Garc\u00eda Del Barrio Marta <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/10\/2002<\/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>Angela Nieto Toledano<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: alberto Ferrus gamero <\/li>\n<li>ernesto S\u00e1nchez-herrero arbide (vocal)<\/li>\n<li>Juan  mario Hurle gonzalez (vocal)<\/li>\n<li>Miguel angel Vidal caballero (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Garc\u00eda Del Barrio Marta Los miembros de la familia g\u00e9nica snail son fctores de transcripci\u00f3n del tipo [&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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