{"id":82088,"date":"2000-01-01T00:00:00","date_gmt":"2000-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/aspectos-funcionales-del-metabolismo-serotoninergico-en-el-sistema-nervioso-de-insectos\/"},"modified":"2000-01-01T00:00:00","modified_gmt":"2000-01-01T00:00:00","slug":"aspectos-funcionales-del-metabolismo-serotoninergico-en-el-sistema-nervioso-de-insectos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/aspectos-funcionales-del-metabolismo-serotoninergico-en-el-sistema-nervioso-de-insectos\/","title":{"rendered":"Aspectos funcionales del metabolismo serotoninergico en el sistema nervioso  de insectos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Raul Vieira Miguel <\/strong><\/h2>\n<p>La serotonina (5-ht) es una amina ampliamente representada en el sistema nervioso tanto de vertebrados como de invertebrados, actuando como neurotransmisor, neurohormona y neuromodulador.  los mecanismos neuroendocrinos de los vertebrados y de los insectos presentan ciertos paralelismos estructurales, funcionales y bioqu\u00edmicos, con la ventaja de que los insectos poseen un sistema nervioso m\u00e1s sencillo para su estudio que el de vertebrados.  el presente trabajo aborda el an\u00e1lisis de diversas facetas del motobalismo serotomin\u00e9rgico en especies distinas de insectos, principalmente mediante t\u00e9cnicas cromatogr\u00e1ficas.  los principales resultados del estudio permiten concluir lo siguiente:  . Diferentes especies de insectos muestran variaciones en los niveles de 5-ht entre diferentes porciones anat\u00f3micas, entre sexos y entre diferentes fases del desarrollo.  . Se ha comprobado la utilizaci\u00f3n de la ruta de la desaminaci\u00f3n oxidativa en tres de las cuatro especies consideradas.  . Se demostr\u00f3 una actividad circadiana asociada al metabolismo serotonin\u00e9rgico, con una expresi\u00f3n diferenciada entre el cerebro medio y los l\u00f3bulos \u00f3pticos.  . Se ha comprobado la s\u00edntesis de melatonina cerebral, presentando siempre m\u00e1ximos nocturnos.  . Las concentraciones de gaba y taurina var\u00edan con relaci\u00f3n al ciclo luz:oscuridad, presentando ritmos desacoplados entre s\u00ed; cuando el gaba aumenta la taurina desciende, coincidiendo el m\u00e1ximo para el gaba al inicio de la fase oscura.  . Se comprob\u00f3 farmacol\u00f3gicamente que el gaba ejerce un control inhibidor sobre la actividad de n-acetil transferasa (nat) y la producci\u00f3n nocturna de melatonina. Por el contrario, en la fase luminosa el gaba act\u00faa estimulando la actividad nat, naturalmente inhibida por la luz, con el consiguiente incremento de la s\u00edntesis cerebral de melatonina.  . Se verifica que el tratamiento con reserpina produce una dr\u00e1stica reducci\u00f3n en la 5-ht cerebral de<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aspectos funcionales del metabolismo serotoninergico en el sistema nervioso  de insectos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aspectos funcionales del metabolismo serotoninergico en el sistema nervioso  de insectos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Raul Vieira Miguel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/2000<\/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: germ\u00e1n Sierra marcu\u00f1o <\/li>\n<li>adolfo Cordero rivera (vocal)<\/li>\n<li>ignacio Ramos Martinez (vocal)<\/li>\n<li>Jes\u00fas Miguez miramontes (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Raul Vieira Miguel La serotonina (5-ht) es una amina ampliamente representada en el sistema nervioso tanto de [&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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