{"id":85242,"date":"2018-03-10T00:09:41","date_gmt":"2018-03-10T00:09:41","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-fisiologica-y-regulacion-de-los-sistemas-de-transporte-de-l-alanina-en-el-duodeno-de-gallotia-galloti\/"},"modified":"2018-03-10T00:09:41","modified_gmt":"2018-03-10T00:09:41","slug":"caracterizacion-fisiologica-y-regulacion-de-los-sistemas-de-transporte-de-l-alanina-en-el-duodeno-de-gallotia-galloti","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/caracterizacion-fisiologica-y-regulacion-de-los-sistemas-de-transporte-de-l-alanina-en-el-duodeno-de-gallotia-galloti\/","title":{"rendered":"Caracterizaci\u00f3n fisiol\u00f3gica y regulaci\u00f3n de los sistemas de transporte de l-alanina en el duodeno de gallotia galloti"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Medina Gonzalez M. Virtudes <\/strong><\/h2>\n<p>El intestino delgado de gallotia galloti extrae amino\u00e1cidos neutros desde la luz intestinal hacia la sangre por medio de mecanismos que implican la actividad de transportadores de membrana. Por medio de t\u00e9cnicas de medida de flujos isot\u00f3picos simult\u00e1neamente a la determinaci\u00f3n de la diferencia de potencial(dp), intensidad de corriente de cortocircuito(isc) y conductancia tisular (gt) transmurales se han podido caracterizar los principales mecanismos responsables del transporte activo para la l-alanina en el duodeno de g.Galloti. los datos obtenidos muestran que la l-alanina puede ser transportada activamente por v\u00edas dependientes e independientes de la presencia de sodio en el medio de incubaci\u00f3n, siendo el transporte dependiente de sodio cuantitativamente mayor que el que tiene lugar en ausencia del ion.  el transporte independiente de sodio(tina) es claramente electrog\u00e9nico y se asocia a cambios significativos en el isc y en la gt, observ\u00e1ndose una buena correlaci\u00f3n entre los flujos unidireccionales o netos del amino\u00e1cido y la isc o la pd. Este transporte est\u00e1 probablemente dirigido, desde el punto de vista energ\u00e9tico, por la existencia de un gradiante electroqu\u00edmico favorable para los h+ a trav\u00e9s de la membrana apical de los enterocitos. la existencia y mantenimiento de este gradiante se debe a la actividad de una actividad atpasa que catalizar\u00eda un intercambio de h+ y k+ que es sensible al ortovanadato e insensible a la n-etilmaleimida. Los iones potasio difundir\u00edan a trav\u00e9s de la c\u00e9lula hacia el lado seroral y ser\u00edan responsables de la electrog\u00e9nesis asociada al transporte transpetelial de l-alanina.  en presencia de sodio, el transporte activo de l-alanina es realizado por, al menos, dos sistemas de transporte que coexisten con el transporte independiente de na+: el sistema a y el sistema asc. El sistema a puede caracterizarse f\u00e1cilmente por su capacidad para transportar derivado n-metilados con el \u00e1cido a-met<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizaci\u00f3n fisiol\u00f3gica y regulaci\u00f3n de los sistemas de transporte de l-alanina en el duodeno de gallotia galloti<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizaci\u00f3n fisiol\u00f3gica y regulaci\u00f3n de los sistemas de transporte de l-alanina en el duodeno de gallotia galloti <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Medina Gonzalez M. Virtudes <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 23\/06\/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>Antonio Lorenzo Hernandez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Illundain larraneta M\u00aa anunciacion <\/li>\n<li>celedonio Gonzalez diaz (vocal)<\/li>\n<li>Mar\u00eda del pino Santana delgado (vocal)<\/li>\n<li>tomas Gomez soutullo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Medina Gonzalez M. Virtudes El intestino delgado de gallotia galloti extrae amino\u00e1cidos neutros desde la luz intestinal [&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":[494,35,515,675,1927,9915,226],"tags":[9925,147916,179603,179604,179602,77119],"class_list":["post-85242","post","type-post","status-publish","format-standard","hentry","category-ciencias-agrarias","category-ciencias-de-la-vida","category-ciencias-veterinarias","category-fisiologia-animal","category-fisiologia-veterinaria","category-la-laguna","category-zoologia","tag-antonio-lorenzo-hernandez","tag-celedonio-gonzalez-diaz","tag-illundain-larraneta-ma-anunciacion","tag-maria-del-pino-santana-delgado","tag-medina-gonzalez-m-virtudes","tag-tomas-gomez-soutullo"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/85242","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=85242"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/85242\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=85242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=85242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=85242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}