{"id":75597,"date":"2005-11-07T00:00:00","date_gmt":"2005-11-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/contribuciones-a-la-regionalizacion-prosencefalica\/"},"modified":"2005-11-07T00:00:00","modified_gmt":"2005-11-07T00:00:00","slug":"contribuciones-a-la-regionalizacion-prosencefalica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/contribuciones-a-la-regionalizacion-prosencefalica\/","title":{"rendered":"Contribuciones a la regionalizaci\u00f3n prosencef\u00e1lica"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Elena Garc\u00eda Calero <\/strong><\/h2>\n<p>Para progresar en el entendimiento del desarrollo y regionalizaci\u00f3n del prosenc\u00e9falo de vertebrados, en la presente tesis doctoral hemos seguido tres aproximaciones centradas en la disponibilidad de nuevos marcadores moleculares. Los correspondientes resultados obtenidos son discutidos separadamente en cap\u00edtulos espec\u00edficos.  en primer lugar hemos analizado el patr\u00f3n de expresi\u00f3n de los genes prezonal y epha7 en el prosencef\u00e1lo de pollo en estad\u00edos tempranos de incubaci\u00f3n (2-4). Hemos relacionado dicho patr\u00f3n de expresi\u00f3n con el establecimiento temprano de los l\u00edmites transversales en el prosenc\u00e9falo. Para llevar a cabo este estudio nos hemos apoyado en el modelo prosom\u00e9rico revisado (puelles y rubenstein, 1993, 2003). El gen prezonal ha sido clonado en nuestro laboratorio bas\u00e1ndonos en la secuencia previamente publicada del mismo. Los resultados obtenidos corroboran un establecimiento temprano de los l\u00edmites transversales en el prosenc\u00e9falo (estad\u00edos hh16-hh17). Estos resultados se presentan en el cap\u00edtulo i y primera parte del cap\u00edtulo ii de esta tesis doctoral.  en segundo lugar hemos analizado el establecimiento de un patr\u00f3n ventral en el prosenc\u00e9falo secundario, en concreto el desarrollo de la regi\u00f3n mamilar y su relaci\u00f3n con el efecto inductivo procedente del extremo anterior de la notocorda y la placa precordal. Hemos empleado como marcador temprano de la regi\u00f3n mamilar el gen epha7 previamente descrito. Hemos observado un efecto inductivo de la placa precordal sobre la regi\u00f3n ventral del prosenc\u00e9falo secundario dando lugar a una especificaci\u00f3n que sigue una secuencia temporal caudorrostral, es decir, que las regiones mas rostrales se especifican en \u00faltimo lugar. Adem\u00e1s hemos observado una relaci\u00f3n directa o indirecta entre la regi\u00f3n basal del telenc\u00e9falo y procesos inductivos derivados de la placa precordal. Estos resultados se recogen en la segunda parte del cap\u00edtulo ii de esta tesis doctoral.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Contribuciones a la regionalizaci\u00f3n prosencef\u00e1lica<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Contribuciones a la regionalizaci\u00f3n prosencef\u00e1lica <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Elena Garc\u00eda Calero <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 11\/07\/2005<\/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>Luis Puelles Lopez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: loreta Medina hernandez <\/li>\n<li>cristoph Redies (vocal)<\/li>\n<li>salvador Mart\u00ednez p\u00e9rez (vocal)<\/li>\n<li>luc\u00eda Rodr\u00edguez gallardo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Elena Garc\u00eda Calero Para progresar en el entendimiento del desarrollo y regionalizaci\u00f3n del prosenc\u00e9falo de vertebrados, en [&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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