{"id":56181,"date":"2018-03-09T22:43:51","date_gmt":"2018-03-09T22:43:51","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/efecto-de-la-diabetes-tipo-1-sobre-la-capacidad-reproductiva-masculina-estudio-experimental-en-rata\/"},"modified":"2018-03-09T22:43:51","modified_gmt":"2018-03-09T22:43:51","slug":"efecto-de-la-diabetes-tipo-1-sobre-la-capacidad-reproductiva-masculina-estudio-experimental-en-rata","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/endocrinologia\/efecto-de-la-diabetes-tipo-1-sobre-la-capacidad-reproductiva-masculina-estudio-experimental-en-rata\/","title":{"rendered":"Efecto de la diabetes tipo 1 sobre la capacidad reproductiva masculina. estudio experimental en rata"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Laura Navarro Casado <\/strong><\/h2>\n<p>Objetivo: valorar la repercusi\u00f3n de la diabetes tipo 1 sobre la capacidad reproductiva masculina, en un modelo experimental en rata. material y m\u00e9todos: hemos empleado ratas macho sprague dawley con diabetes inducida  por estreptozotocina (stz) en dos tiempos diferentes, 6 semanas (cp) y 20 semanas (mp). Como controles hemos empleado animales inyectados con veh\u00edculo y animales que tras la stz no se hicieron diab\u00e9ticos. Hemos analizado testosterona en suero (stt), reserva epididimaria de semen, alteraciones macrosc\u00f3picas y microsc\u00f3picas del test\u00edculo y epid\u00eddimo, s\u00edntesis in vitro de tt por homogeneizado de test\u00edculo tras digesti\u00f3n con colagenasa y bajo la acci\u00f3n de toxinas cholerae (tc) y pertussis (tp), hcg, glucosa, insulina y neurop\u00e9ptido y (npy). resultados: los animales diab\u00e9ticos presentaron disminuci\u00f3n en stt (p<0,01), peso de test\u00edculo (solo cp) y epid\u00eddimo (p<0,01), aumento en la teratozoospermia (s\u00f3lo mp, p<0,01) y disminuci\u00f3n del di\u00e1metro de los t\u00fabulos semin\u00edferos (cp, p<0,05). La glucosa aument\u00f3 la s\u00edntesis de tt en ausencia de hcg (p<0,05), la insulina no la modific\u00f3. Las c\u00e9lulas de los animales diab\u00e9ticos tuvieron mayor respuesta a la tc y a la hcg (p<0,05. El npy tiene efecto modulador negativo (p<0,01) o positivo (p<0,05) de la respuesta a la hcg dependiendo de la concentraci\u00f3n del mismo. La stz ocasion\u00f3 disminuci\u00f3n de la stt, peso epididimario y oligozoospermia (s\u00f3lo a cp, p<0,01; tambi\u00e9n produjo aumento de la s\u00edntesis basal de testosterona (solo cp, p<0,05). conclusiones: la diabetes experimental con stz origina una disminuci\u00f3n de la stt, aumento de teratozoospermia, disminuci\u00f3n en del peso del epid\u00eddimo y del test\u00edculo, aunque este \u00faltimo efecto revierte a mp. La funci\u00f3n de las c\u00e9lulas testiculares no est\u00e1 disminuida en la diabetes sino que est\u00e1 aumentada la respuesta a hcg y tc. El npy puede inhibir y estimular la s\u00edntesis in vitro de tt post hcg en funci\u00f3n de su concentraci\u00f3n en el medio de cultivo.\n\n\n\n&nbsp;\n\n\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Efecto de la diabetes tipo 1 sobre la capacidad reproductiva masculina. estudio experimental en rata<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Efecto de la diabetes tipo 1 sobre la capacidad reproductiva masculina. estudio experimental en rata <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Laura Navarro Casado <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 15\/12\/2006<\/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>Jos\u00e9 Manuel Miralles  Garcia<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  jose Corrales hernandez <\/li>\n<li>Jos\u00e9 Mar\u00eda Vendrell sala (vocal)<\/li>\n<li>margarita Ghiglione Juan es (vocal)<\/li>\n<li>Antonio  Santiago Salinas sanchez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Laura Navarro Casado Objetivo: valorar la repercusi\u00f3n de la diabetes tipo 1 sobre la capacidad reproductiva masculina, [&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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