{"id":68919,"date":"2004-02-07T00:00:00","date_gmt":"2004-02-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-y-distribucion-de-los-receptores-a2-adrenergicos-encefalicos-de-gallus-gallus\/"},"modified":"2004-02-07T00:00:00","modified_gmt":"2004-02-07T00:00:00","slug":"caracterizacion-y-distribucion-de-los-receptores-a2-adrenergicos-encefalicos-de-gallus-gallus","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/leon\/caracterizacion-y-distribucion-de-los-receptores-a2-adrenergicos-encefalicos-de-gallus-gallus\/","title":{"rendered":"Caracterizacion y distribucion de los receptores a2 adrenergicos encefalicos de gallus gallus"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Rebeca Diez Alarcia <\/strong><\/h2>\n<p>Mediante estudios de fijaci\u00f3n de radiligando a membranas y t\u00e9cnicas autorradiogr\u00e1ficas se trat\u00f3 de caracterizar la farmacolog\u00eda y distribuci\u00f3n de los recpetores a2-adren\u00e9rgicos presentes en el enc\u00e9falo de gallus gallus.  estudios de fijacin de radioligando a membranas  estudios de saturacion  los estudios de saturaci\u00f3n realizados con el radioligando [3h]rx 821002 nos permitieron determinar qu este radioligando, de manera similar a lo descrito en mam\u00edferos, es capaz de reconocer en pollo un componente seroton\u00e9rgico. esta radioligando muestra una afinidad similar por sus componentes a2-adren\u00e9rgico y seroton\u00e9rgico en pollo, y similares a los de mam\u00edferos.  estudios de competicion heterologa  los estudios de competici\u00f3n heter\u00f3loga de la fijaci\u00f3n del radioligando [3h]rx 821002 se realizaron utilizando como ligandos competidores:  agonistas a2-adren\u00e9rgicos: oximetazolina y uk 14304  antagonistas a2-adren\u00e9rgicos: brl 44408, arc 239 y prazos\u00edn  serotonina  los resultados de estos estudios realizados paralelamente con rata y en presencia de una concentraci\u00f3n de serotonina 300nm permiten determinar que rodos los ligandos se comportan de manera similar a lo descrito para mam\u00edferos en cuanto a los receptores a2-adren\u00e9rgicos marcados por nuestros radioligando, pero aparecen diferencias en cuanto a la afinidad de los ligandos brl 44408, arc 239 y rs 79948 por los componentes seroton\u00e9rgicos marcados por el [3h]rx 821002 en ambas especies.  estudios autorradiograficos  autorradiografia cuantitativa  los estudios de autorradiograf\u00eda cuantitativa realizados con una concentraci\u00f3n 2nm del radioligando [3h]rx 821002, nos permiten describir una fijaci\u00f3n de este antagonistas similar a la descrita previamente en la literatura para estas y otras especies de aves utilizando enste y otros radioligandos a2-adren\u00e9rgicos.  autorradiografia funcional  realizamos varios ensayos previos de distintas aproximaciones metodol\u00f3<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizacion y distribucion de los receptores a2 adrenergicos encefalicos de gallus gallus<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizacion y distribucion de los receptores a2 adrenergicos encefalicos de gallus gallus <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Rebeca Diez Alarcia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Le\u00f3n<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 02\/07\/2004<\/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>Arsenio Fernandez Lopez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jose Vaquera orte <\/li>\n<li>Jos\u00e9 Pav\u00eda molina (vocal)<\/li>\n<li>Jos\u00e9 Javier Meana Martinez (vocal)<\/li>\n<li>Javier Vitorica ferr\u00e1ndez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rebeca Diez Alarcia Mediante estudios de fijaci\u00f3n de radiligando a membranas y t\u00e9cnicas autorradiogr\u00e1ficas se trat\u00f3 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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