{"id":81358,"date":"2018-03-10T00:05:14","date_gmt":"2018-03-10T00:05:14","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-morfofuncional-de-las-celulas-ganglionares-de-la-retina-de-conejo-tras-la-seccion-del-nervio-optico\/"},"modified":"2018-03-10T00:05:14","modified_gmt":"2018-03-10T00:05:14","slug":"estudio-morfofuncional-de-las-celulas-ganglionares-de-la-retina-de-conejo-tras-la-seccion-del-nervio-optico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/estudio-morfofuncional-de-las-celulas-ganglionares-de-la-retina-de-conejo-tras-la-seccion-del-nervio-optico\/","title":{"rendered":"Estudio morfofuncional de las celulas ganglionares de la retina de conejo tras la seccion del nervio optico."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Francisco Germain Mart\u00ednez <\/strong><\/h2>\n<p>Las celulas ganglionares de la retina experimentan una muerte celular de naturaleza apoptotica cuando son sometidas a una seccion axonal. El objetivo del presente trabajo es el estudio de las alteraciones morfol\u00f3gicas y funcionales que experimentan las celulas ganglionares de la retina cuando se someten a una seccion axonal.  el trabajo realizado en retina de conejo ha abarcado aspectos cuantitativos cualitativos. El primer objetivo pretendia determinar la distribucion temporo-espacial de la supervivencia de las celulas ganglionares tras la seccion del nervio optico. Se realizaron recuentos de celulas marcadas retrogradamente con fast blue a los distintos dias dela lesion. Los recuentos celuares realizados 6 dias despues de la axotomia no mostraron diferencias estadisticamente significativas con las retinas control; el numero de celulas ganglionares supervivientes a los 12 dias de la axotomia disminuyo globalmente al 28% del valor control y recuentos posteriores el  numero de celulas supervivientes continuo descendiendo hasta llegar a un 8% a los 26 dias post-axotomia, siendo igualmente sensibles las celulas presentes en areas centrales y areas perifericas.  en segundo lugar se analizaron las caracteristicas morfol\u00f3gicas de las celulares ganglionares axotomizadas a los distintos dias de la lesion. el marcaje iontoforetico de las celulas gaglionares mostr\u00f3 que las celulares mostro una gran expansion del arbol dendritico, con prolongaciones dendro-axonicas indicativas de un crecimiento activo y de regeneracion. Fue posible observar hallazgos sugerentes de una muerte apoptotica, hallazgos que fueron objetivados tambien mediante microscopia electronica de barrido. El analisis morfometrico computarizado mostro que a tiempos largos despues de la axotomia estas celulas presentan un aumento significativo del campo dendritico. De estos estudios se deduce que al menos cierto tipo de celulas ganglionares sobreviven tiempos largos a la axotomia,<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio morfofuncional de las celulas ganglionares de la retina de conejo tras la seccion del nervio optico.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio morfofuncional de las celulas ganglionares de la retina de conejo tras la seccion del nervio optico. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Francisco Germain Mart\u00ednez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Alcal\u00e1<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 25\/11\/1999<\/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>Pedro De  La Villa Polo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: margarita Bar\u00f3n maldonado <\/li>\n<li>Manuel Vidal sanz (vocal)<\/li>\n<li>julia Bujan varela (vocal)<\/li>\n<li> Villegas perez M\u00aa paz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Francisco Germain Mart\u00ednez Las celulas ganglionares de la retina experimentan una muerte celular de naturaleza apoptotica cuando [&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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