{"id":128730,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/hormonas-gonadales-y-plasticidad-neuroglial-en-la-rata-adulta\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"hormonas-gonadales-y-plasticidad-neuroglial-en-la-rata-adulta","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/hormonas-gonadales-y-plasticidad-neuroglial-en-la-rata-adulta\/","title":{"rendered":"Hormonas gonadales y plasticidad neuroglial en la rata adulta."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Luquin De Anda M. Sonia <\/strong><\/h2>\n<p>Durante el ciclo estral de la rata se producen variaciones de los niveles sistemicos de hormonas que se acompa\u00f1an por una reorganizacion estructural en las relaciones neurona-glia, en las areas cerebrales sensibles a esteroides gonadales. Esta plasticidad cerebral naturalmente mediada por hormonas fue el fundamento principal para estudiar el papel de los astrocitos en los mecanismos de la accion de esteroides sexuales en el sistema nervioso central (snc). Realizamos estudios en el giro dentado del hipocampo, nucleo arcuato hipotalamico y en el cerebelo de ratas hembras a traves del ciclo estral y por efecto de la administracion de 17 beta-estradiol, progesterona y de una mezcla de ambos compuestos, mediante tecnicas de ultraestructura, inmunocitoquimica y inmunoenzimaticas para la proteina acidica fibrilar glial (gfap). En el nucleo arcuato la administracion de 17beta-estradiol produjo disminucion del 33% en el numero de sinapsis axosomaticas, 24 h despues de la inyeccion, y los valores retornaron a la normalidad despues de 48 h. La progesterona no tuvo efectos, sin embargo bloqueo los efectos de 17beta-estradiol. No identificamos variaciones del numero de celulas gfap inmunoreactivas a traves del ciclo ovarico, despues de la ovariectomia o por la administracion de estradiol o progesterona a ratas castradas. Sin embargo la densidad de superficie de astrocitos gfap inmunopositivos, el numero de imagenes gliales en el neuropilo y la proporcion de membranas del soma neuronal recubierta por glia se incrementaron en la tarde del proestro y en la ma\u00f1ana del estro. Estos parametros se incrementaron rapida (5h) y reversiblemente por la inyeccion de 17beta-estradiol inyectado a ratas castradas, y el maximo efecto se observo a las 24 h. Por el contrario, disminuyeron el tama\u00f1o de los haces de filamentos gliales en la tarde del proestro, en la ma\u00f1ana del estro y por la inyeccion de 17beta-estradiol. La progesterona no tuvo efectos sobre<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Hormonas gonadales y plasticidad neuroglial en la rata adulta.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Hormonas gonadales y plasticidad neuroglial en la rata adulta. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Luquin De Anda M. Sonia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1996<\/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 Miguel Garc\u00eda Segura<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Agustin Gregorio Zapata Gonzalez <\/li>\n<li>Mar\u00eda  Cruz Rodriguez Del Cerro (vocal)<\/li>\n<li>Isabel Suarez Najera (vocal)<\/li>\n<li>Ignacio Torres Aleman (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Luquin De Anda M. Sonia Durante el ciclo estral de la rata se producen variaciones de los [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[849,35,986],"tags":[6521,6465,7265,4892,242037,22170],"class_list":["post-128730","post","type-post","status-publish","format-standard","hentry","category-biologia-celular","category-ciencias-de-la-vida","category-complutense-de-madrid","tag-agustin-gregorio-zapata-gonzalez","tag-ignacio-torres-aleman","tag-isabel-suarez-najera","tag-luis-miguel-garcia-segura","tag-luquin-de-anda-m-sonia","tag-maria-cruz-rodriguez-del-cerro"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/128730","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=128730"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/128730\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=128730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=128730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=128730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}