{"id":14436,"date":"2001-12-12T00:00:00","date_gmt":"2001-12-12T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/aprendizaje-asociativo-en-la-celula-beta-pancreatica-un-modelo-de-memoria-no-neural\/"},"modified":"2001-12-12T00:00:00","modified_gmt":"2001-12-12T00:00:00","slug":"aprendizaje-asociativo-en-la-celula-beta-pancreatica-un-modelo-de-memoria-no-neural","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/aprendizaje-asociativo-en-la-celula-beta-pancreatica-un-modelo-de-memoria-no-neural\/","title":{"rendered":"Aprendizaje asociativo en la c\u00e9lula beta pancreatica. un modelo de memoria no neural"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Raquel Pomares Urban <\/strong><\/h2>\n<p>Las c\u00e9lulas beta pancre\u00e1ticas son responsables de la secreci\u00f3n de insulina por la acci\u00f3n de diferentes secretagogos, y es modulada por neurotransmisores y hormonas. Por la influencia de los est\u00edmulos relacionados con la comida (olor, sabor, visi\u00f3n ..) Se produce una secreci\u00f3n refleja de insulina que permite al organismo responder m\u00e1s eficientemente al incremento de glucosa que se produce tras la absorci\u00f3n de los nutrientes. Esta secreci\u00f3n refleja de insulina se conoce como fase cef\u00e1lica y se produce por una descarga del nervio vago y en presencia de glucosa subumbral (8mm). Esta fase est\u00e1 en relaci\u00f3n con la observaci\u00f3n de que es m\u00e1s efectiva en t\u00e9rminos de secreci\u00f3n de insulina una carga oral de glucosa que v\u00eda intravenosa, donde en la carga oral de glucosa existir\u00eda una descarga vagal.  mediante registros intracelulares hemos podido observar una potenciaci\u00f3n de la sensibilidad de la c\u00e9lula beta en respuesta a glucosa despu\u00e9s de la exposici\u00f3n al agonista muscar\u00ednico carbacol. Esta potenciaci\u00f3n tiene una duraci\u00f3n temporal de 30-40 minutos, y para que se produzca es necesaria la coincidencia temporal de glucosa y carbacol. Hemos caracterizado este fen\u00f3meno como asociativo, con cierto paralelismo con el ltp descrito en sistema nervioso. Esta potenciaci\u00f3n de la respuesta de la c\u00e9lula beta a la glucosa puede ser inhibida por la estaurosporina, sugiriendo la participaci\u00f3n de la pkc. Proponemos que la potenciaci\u00f3n de la actividad el\u00e9ctrica de la c\u00e9lula beta pancre\u00e1tica pude ser clasificada como una variedad de mecanismo memoria celular, por lo que podemos generalziar este concepto a sistemas no neuronales, y nos permite proponer que la fase preabsotiva o cef\u00e1lica de la digesti\u00f3n puese ser responsable del incremento en la sensibilidad a los nutrientes antes de la comida, mientras que permanecer\u00eda baja entre comidas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aprendizaje asociativo en la c\u00e9lula beta pancreatica. un modelo de memoria no neural<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aprendizaje asociativo en la c\u00e9lula beta pancreatica. un modelo de memoria no neural <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Raquel Pomares Urban <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Miguel hern\u00e1ndez de elche<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/12\/2001<\/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>Juan  Vicente Sanchez Andres<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: bernat Soria escoms <\/li>\n<li>Jos\u00e9 Mar\u00eda Delgado Garc\u00eda (vocal)<\/li>\n<li>Mar\u00eda etelvina Andreu s\u00e1nchez (vocal)<\/li>\n<li>Rafael Alonso sol\u00eds (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Raquel Pomares Urban Las c\u00e9lulas beta pancre\u00e1ticas son responsables de la secreci\u00f3n de insulina por la acci\u00f3n [&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":[35,2135,817,37169],"tags":[11639,13636,45274,46478,22885,46477],"class_list":["post-14436","post","type-post","status-publish","format-standard","hentry","category-ciencias-de-la-vida","category-fisiologia-endocrina","category-fisiologia-humana","category-miguel-hernandez-de-elche","tag-bernat-soria-escoms","tag-jose-maria-delgado-garcia","tag-juan-vicente-sanchez-andres","tag-maria-etelvina-andreu-sanchez","tag-rafael-alonso-solis","tag-raquel-pomares-urban"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/14436","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=14436"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/14436\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=14436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=14436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=14436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}