{"id":45090,"date":"2019-03-22T15:00:54","date_gmt":"2019-03-22T15:00:54","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-fijacion-de-5-hidroxitriptamina-a-proteinas-hidrofobicas-cerebrales\/"},"modified":"2019-03-22T15:00:54","modified_gmt":"2019-03-22T15:00:54","slug":"estudio-de-la-fijacion-de-5-hidroxitriptamina-a-proteinas-hidrofobicas-cerebrales","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/estudio-de-la-fijacion-de-5-hidroxitriptamina-a-proteinas-hidrofobicas-cerebrales\/","title":{"rendered":"Estudio de la fijacion de 5-hidroxitriptamina a proteinas hidrofobicas cerebrales."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Cabello Lopez Felix Miguel <\/strong><\/h2>\n<p>Se han hecho estudios con una fraccion de proteinas hidrofobicas extraidas del sistema nervioso central separadas por cromatografia en sephadix lh-20. En esta fraccion existe un componente capaz de fijar 5-ht con alta afinidad; la especificidad en la fijacion es mucho mayor en extractos del sistema nervioso central que en los procedentes de otros tejidos. Se ha encontrado que la fijacion a extractos de corteza cerebral se efectua con una k sub 1\/2 de 1&#215;10 elevado a -7 m.  Siendo maxima a ph fisiologico. La fijacion es inhibida por los alcaloides ergocornina  ergrocristina y ergocriptina  por la triptamina y por los iones na+  li+ y nh4+ pero no por metisergida e hipoxantina  siendo muy ligera la inhibicion producida por el triptofano. Tambien se ha demostrado la importancia del grupo indol  y la ionizacion de los grupos oh y nh sub 2  para la fijacion de la 5-ht. Se ha determinado la naturaleza proteolipidica del responsable de la fijacion  asi como su composicion de aminoacidos. Se ha localizado este proteolipido en extractos de membranas de terminales nerviosos  pero tambien esta presente en otros sistemas de membranas. Se postula la existencia de un receptor sinaptico en estos extractos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la fijacion de 5-hidroxitriptamina a proteinas hidrofobicas cerebrales.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la fijacion de 5-hidroxitriptamina a proteinas hidrofobicas cerebrales. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Cabello Lopez Felix Miguel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Illes balears<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1979<\/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>Francisco Garc\u00eda Blanco<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco Garc\u00eda Blanco <\/li>\n<li>Eduardo Go\u00f1alons Sintes (vocal)<\/li>\n<li>Antonio Roig Muntaner (vocal)<\/li>\n<li>Antonio Ribera Blancafort (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cabello Lopez Felix Miguel Se han hecho estudios con una fraccion de proteinas hidrofobicas extraidas del sistema [&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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