{"id":55185,"date":"2018-03-09T22:42:55","date_gmt":"2018-03-09T22:42:55","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/la-serotonina-periferica-contribucion-a-la-homeostasis-de-la-glucosa-en-la-trucha-arco-iris-oncorhynchus-mykiss\/"},"modified":"2018-03-09T22:42:55","modified_gmt":"2018-03-09T22:42:55","slug":"la-serotonina-periferica-contribucion-a-la-homeostasis-de-la-glucosa-en-la-trucha-arco-iris-oncorhynchus-mykiss","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisiologia-animal\/la-serotonina-periferica-contribucion-a-la-homeostasis-de-la-glucosa-en-la-trucha-arco-iris-oncorhynchus-mykiss\/","title":{"rendered":"La serotonina perif\u00e9rica: contribuci\u00f3n a la homeostasis de la glucosa en la trucha arco iris, oncorhynchus mykiss"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Rosa Isabel Caama\u00f1o Tubio <\/strong><\/h2>\n<p>La mayor\u00eda de los peces, a diferencia de los mam\u00edferos, est\u00e1n metab\u00f3licamente mal equipados para hacer frente a cantidades significativas de carbohidratos en su dieta. No obstante, los requerimientos de glucosa en los peces son importantes ya que hay tejidos que la usan como sustrato energ\u00e9tico fundamental, de ah\u00ed la necesidad de mantener controlados los niveles de glucosa en la sangre. La regulaci\u00f3n de la glucemia est\u00e1 \u00edntimamente ligada a la acci\u00f3n de diversas hormonas, entre ellas las catecolaminas (adrenalina, a y noradrenalina, na) y, aunque el control de su liberaci\u00f3n es principalmente colin\u00e9rgico, tambi\u00e9n existe un control no colin\u00e9rgico en el que se ha especulado que puede estar involucrada la serotonina (5-ht). En peces, el sistema 5-ht es muy poco conocido, sobre todo a nivel perif\u00e9rico. Los objetivos b\u00e1sicos planteados en este trabajo fueron: i) identificar los principales dep\u00f3sitos perif\u00e9ricos de 5-ht en la trucha arco iris, oncorhynchus mykiss y su importancia en la homeostasis de la 5-ht sangu\u00ednea, e ii) investigar si existe un control (central y\/o perif\u00e9rico) de la 5-ht sobre la liberaci\u00f3n de las catecolaminas y sobre la glucemia, as\u00ed como los posibles receptores 5-ht implicados. Los resultados pusieron de manifiesto, por primera vez en peces, que: i) los principales dep\u00f3sitos perif\u00e9ricos de 5-ht son el intestino y las branquias, seguidos por el ri\u00f1\u00f3n, el h\u00edgado, el coraz\u00f3n y el bazo. El intestino libera la 5-ht procedente de los plexos nerviosos 5-ht de las capas musculares de la pared intestinal e inmediatamente la recapta para metabolizarla. La escasa 5-ht no metabolizada en el intestino llega a otros tejidos (h\u00edgado y branquias) a trav\u00e9s de la sangre, para ser captada y metabolizada. El \u00e1cido indolac\u00e9tico (5-hiaa) que llega al plasma procedente de la degradaci\u00f3n de la 5-ht, r\u00e1pidamente es eliminado v\u00eda urinaria por un eficaz sistema de excreci\u00f3n renal, y ii) en la trucha arco iris no existe un control central de<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>La serotonina perif\u00e9rica: contribuci\u00f3n a la homeostasis de la glucosa en la trucha arco iris, oncorhynchus mykiss<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 La serotonina perif\u00e9rica: contribuci\u00f3n a la homeostasis de la glucosa en la trucha arco iris, oncorhynchus mykiss <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Rosa Isabel Caama\u00f1o Tubio <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/10\/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>Manuel Alejo Aldegunde Villar<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Ramos mart\u00ednez Juan  ignacio <\/li>\n<li>Miguel Alfonso  pallares (vocal)<\/li>\n<li>emilia Rebolledo varela (vocal)<\/li>\n<li> Vieira y de Miguel ra\u00fal (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rosa Isabel Caama\u00f1o Tubio La mayor\u00eda de los peces, a diferencia de los mam\u00edferos, est\u00e1n metab\u00f3licamente mal [&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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