{"id":54620,"date":"2018-03-09T22:42:19","date_gmt":"2018-03-09T22:42:19","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/el-sistema-de-la-leptina-en-la-interfase-materno-embrionaria-impacto-sobre-la-implantacion\/"},"modified":"2018-03-09T22:42:19","modified_gmt":"2018-03-09T22:42:19","slug":"el-sistema-de-la-leptina-en-la-interfase-materno-embrionaria-impacto-sobre-la-implantacion","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/el-sistema-de-la-leptina-en-la-interfase-materno-embrionaria-impacto-sobre-la-implantacion\/","title":{"rendered":"\u00abel sistema de la leptina en la interfase materno-embrionaria: impacto sobre la implantaci\u00f3n\u00bb"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Cerver\u00f3 Sanz Ana Cristina <\/strong><\/h2>\n<p>El sistema de la leptina esta implicado en la regulaci\u00f3n del peso corporal yen la funci\u00f3n reproductiva actuando a niveles endocrinos y paracrinos. Existen datos que indican que este sistema es esencial para la implantaci\u00f3n embrionaria en el rat\u00f3n. Este trabajo describe como la expresi\u00f3n del receptor de leptina y de sus distintas isoformas varia a 10 largo del ciclo menstrual en el endometrio humano. El receptor de leptina esta presente a 10 largo de todo el desarrollo embrionario preimplantatorio mientras que la leptina \u00fanicamente se expresa en el estadio de blastocisto. No existen diferencias significativas en los niveles de expresi\u00f3n ni en la localizaci\u00f3n del receptor de leptina en el endometrio de mujeres inf\u00e9rtiles con endometriosis moderada\/severa y mujeres f\u00e9rtiles durante la ventana de implantaci\u00f3n. Adem\u00e1s, ambos tipo de endometrios expresan leptina a niveles muy bajos. El bloqueo in vitro de la expresi\u00f3n del receptor de leptina no disminuye las tasas de adhesi\u00f3n embrionaria, indicando que este sistema no esta implicado en dicha fase. Sin embargo, no se descarta que pudiera estar implicado en la fase de invasi\u00f3n embrionaria a trav\u00e9s de la activaci\u00f3n de metaloproteasas y factores angiog\u00e9nicos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>\u00abel sistema de la leptina en la interfase materno-embrionaria: impacto sobre la implantaci\u00f3n\u00bb<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 \u00abel sistema de la leptina en la interfase materno-embrionaria: impacto sobre la implantaci\u00f3n\u00bb <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Cerver\u00f3 Sanz Ana Cristina <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/09\/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>Carlos Sim\u00f3n Vall\u00e9s<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rafael Carmena <\/li>\n<li>Juan  Antonio Garcia velasco (vocal)<\/li>\n<li>pedro Acien alvarez (vocal)<\/li>\n<li>Manuel Tena (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cerver\u00f3 Sanz Ana Cristina El sistema de la leptina esta implicado en la regulaci\u00f3n del peso corporal [&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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