{"id":21558,"date":"2003-07-02T00:00:00","date_gmt":"2003-07-02T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-del-sistema-ornitina-descarboxilasa-poliaminas-en-la-funcion-ovarica-y-adrenal-de-raton\/"},"modified":"2003-07-02T00:00:00","modified_gmt":"2003-07-02T00:00:00","slug":"estudio-del-sistema-ornitina-descarboxilasa-poliaminas-en-la-funcion-ovarica-y-adrenal-de-raton","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/murcia\/estudio-del-sistema-ornitina-descarboxilasa-poliaminas-en-la-funcion-ovarica-y-adrenal-de-raton\/","title":{"rendered":"Estudio del sistema ornitina descarboxilasa\/poliaminas en la funci\u00f3n ov\u00e1rica y adrenal de rat\u00f3n"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Bastida P\u00e9rez Carmen M. <\/strong><\/h2>\n<p>Se ha estudiado las variaciones de la actividad ornitina descarboxilasa (odc), enzima limitante de la bios\u00edntesis de poliaminas, en ovario y gl\u00e1ndulas adrenales de rat\u00f3n, su localizaci\u00f3n celular por medio de t\u00e9cnicas inmunocitoqu\u00edmicas, as\u00ed como la posible funci\u00f3n fisiol\u00f3gica de la misma por medio de inhibidores espec\u00edficos como la difluorometilornitina. Se demuestra que las elevaciones de la actividad odc que tienen lugar durante el periodo puberal y en fase preovulatoria del ciclo estral del rat\u00f3n adulto desempe\u00f1an un papel importante en la funci\u00f3n ov\u00e1rica. Por una parte, el pico preovulatorio de odc ov\u00e1rica inducido por la secreci\u00f3n de lh es necesario para la formaci\u00f3n de cuerpos l\u00fateos funcionales secretores del progesterona en la fase diestro. Por otro lado, las elevaciones de odc que tienen lugar durante la etapa peripuberal son requeridas para conseguier un desarrollo folicular adecuado. Odc se localiza en el ovocito de todos los fol\u00edculos ov\u00e1ricos, independientemente del grado de desarrollo del mismo, en las c\u00e9lulas granulosas y tecales de fol\u00edculos antrales y en las c\u00e9lulas de los cuerpos l\u00fateos, destacando la ausencia de inmunoreactividad frente a anticuerpos antiodc en las c\u00e9lulas granulosas de fol\u00edculos preantrales.  en relaci\u00f3n con la adrenal, se pone de manifiesto la existencia de un marcado dimorfismo sexual en la actividad odc y concentraci\u00f3n de putrescina, con valores m\u00e1s elevados en las hembras, que en los machos, correlacion\u00e1ndose positivamente con el tama\u00f1o adrenal y con la secreci\u00f3n de corticosterona. la enzima se localiza preferentemente en la corteza adrenal, y dentro de \u00e9sta en la zona glomerulosa. La depleci\u00f3n de poliaminas disminuye significativamente la secreci\u00f3n de corticosterona y aldosterona, y los niveles de catecolaminas adrenales. La enzima adrenal muestra una compleja regulaci\u00f3n, siendo estimulada por acth, catecolaminas y estradiol, y reprimida por testosterona, observ\u00e1<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio del sistema ornitina descarboxilasa\/poliaminas en la funci\u00f3n ov\u00e1rica y adrenal de rat\u00f3n<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio del sistema ornitina descarboxilasa\/poliaminas en la funci\u00f3n ov\u00e1rica y adrenal de rat\u00f3n <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Bastida P\u00e9rez Carmen M. <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 07\/02\/2003<\/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>Asuncion Cremades Campos<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Lozano teruel Jos\u00e9 Antonio <\/li>\n<li>mirella Farriol gil (vocal)<\/li>\n<li> Brugger auban arturo j. (vocal)<\/li>\n<li>Javier Mi\u00f1ano s\u00e1nchez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Bastida P\u00e9rez Carmen M. Se ha estudiado las variaciones de la actividad ornitina descarboxilasa (odc), enzima limitante [&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":[8235],"tags":[8340,64954,24981,55490,8312,64955],"class_list":["post-21558","post","type-post","status-publish","format-standard","hentry","category-murcia","tag-asuncion-cremades-campos","tag-bastida-perez-carmen-m","tag-brugger-auban-arturo-j","tag-javier-minano-sanchez","tag-lozano-teruel-jose-antonio","tag-mirella-farriol-gil"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/21558","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=21558"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/21558\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=21558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=21558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=21558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}