{"id":73736,"date":"2018-03-09T23:18:42","date_gmt":"2018-03-09T23:18:42","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-expresion-de-filamentos-intermedios-vimentinagfap-y-desmina-en-la-retina-adulta-de-distintas-especies-de-vertebrados-y-en-la-retina-embrionaria-de-pollo\/"},"modified":"2018-03-09T23:18:42","modified_gmt":"2018-03-09T23:18:42","slug":"estudio-de-la-expresion-de-filamentos-intermedios-vimentinagfap-y-desmina-en-la-retina-adulta-de-distintas-especies-de-vertebrados-y-en-la-retina-embrionaria-de-pollo","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/estudio-de-la-expresion-de-filamentos-intermedios-vimentinagfap-y-desmina-en-la-retina-adulta-de-distintas-especies-de-vertebrados-y-en-la-retina-embrionaria-de-pollo\/","title":{"rendered":"Estudio de la expresi\u00f3n de filamentos intermedios (vimentina,gfap y desmina) en la retina adulta de distintas especies de vertebrados y en la retina embrionaria de pollo"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Concepci\u00f3n Santiago S\u00e1nchez <\/strong><\/h2>\n<p>En este trabajo de tesis doctoral hemos estudiado la expresi\u00f3n de filamentos de tipo id (vimentina, gfap ydesmina) en la retina adulta de pollo, rata, conejo y humano y en la retina embrionaria de pollo. Para ello, hemos empleado t\u00e9cnicas de inmunoblot e inmunohistoquimica. Nuestros resultados por inmunoblot  muestran que la expresi\u00f3n de vimentina varia a lo largo del desarrollo embrionario de la retina de pollo, expres\u00e1ndose con elevada intensidad en los estad\u00edos e4-e6, luego decrece en e8 y vuelve a incrementara partir de los \u00faltimos estad\u00edos del desarrollo. Tambi\u00e9n hemos encontrado diferencias en el peso molecular y la intensidad de expresi\u00f3n de vimentina entre la retina adulta de las especies mencionadas. El gfap comienza a expresarse con baja intensidad en la retina de pollo en el estad\u00edo p5 y su expresi\u00f3n aumenta  en los estad\u00edos siguientes. En relaci\u00f3n a desmina, hemos encontrado que se expresa en baja cantidad en la retina adulta de pollo. Los estud\u00edos inmunohistoquimicos utilizando retina humana revelan que es expresada por c\u00e9lulas de m\u00ed\u00bcller, astrocitos, algunas c\u00e9lulas de la parte m\u00e1s externa de la capa nuclear interna, posiblemente c\u00e9lulas horizontales, y c\u00e9lulas de la pared de algunos vasos sangu\u00edneos y que existe un grad\u00edente decreciente de la expresi\u00f3n de vimentina desde retina central a retina perif\u00e9rica. adem\u00e1s, la poblaci\u00f3n de astrocitos es heterog\u00e9nea respecto a la expresi\u00f3n de vimentina y gfap, existiendo astrocitos que s\u00f3lo expresan gfap y otros gfap y vimentina, y posiblemente -astrocitos que s\u00f3lo expresen vimentina. tambi\u00e9n encontramos que la desmina se expresa en la retina humana, en grad\u00edente decreciente  desde retina central a perif\u00e9rica, y se d\u00edstribuye con mayor intensidad por los vasos sangu\u00edneos, astrocitos y la parte m\u00e1s interna de las c\u00e9lulas de m\u00ed\u00bcller.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la expresi\u00f3n de filamentos intermedios (vimentina,gfap y desmina) en la retina adulta de distintas especies de vertebrados y en la retina embrionaria de pollo<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la expresi\u00f3n de filamentos intermedios (vimentina,gfap y desmina) en la retina adulta de distintas especies de vertebrados y en la retina embrionaria de pollo <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Concepci\u00f3n Santiago S\u00e1nchez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/04\/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>Carmen Prada Elena<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: benjam\u00edn Fern\u00e1ndez ruiz <\/li>\n<li>raquel Fernandez durango (vocal)<\/li>\n<li>m.dolores Pinazo duran (vocal)<\/li>\n<li> Yanes mendez carmen magdalena (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Concepci\u00f3n Santiago S\u00e1nchez En este trabajo de tesis doctoral hemos estudiado la expresi\u00f3n de filamentos de 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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