{"id":9423,"date":"1995-01-01T00:00:00","date_gmt":"1995-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1995\/01\/01\/modulacion-de-la-absorcion-pasiva-paracelular-de-azucares-en-yeyuno-de-rata\/"},"modified":"1995-01-01T00:00:00","modified_gmt":"1995-01-01T00:00:00","slug":"modulacion-de-la-absorcion-pasiva-paracelular-de-azucares-en-yeyuno-de-rata","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/modulacion-de-la-absorcion-pasiva-paracelular-de-azucares-en-yeyuno-de-rata\/","title":{"rendered":"Modulacion de la absorcion pasiva paracelular de azucares en yeyuno de rata."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Perez Del Castillo M. Mercedes <\/strong><\/h2>\n<p>Se han estudiado los mecanismos de regulacion de la permeabilidad intestinal en intestino de rata. En experimetnos in vivo se muestra que la presencia de sustancias activamente transportables en la luz intestinal estimula la absorcion pasiva de azucares que no presentan cotransportador luminal. La exposicion a altas (hasta 500 mosm) o bajas (hasta 160 mosm) cargas osmoticas luminales no modifica la absorcion pasiva de 2-deoxi-d-glucosa in vivo, pero impide la manifestacion del efecto estimulador producido por sustratos activamente transportables. Con hipertonia luminal se observa clara secrecion neta liquida hacia la luz y con hipotonia, una alta absorcion liquida. En experimentos in vitro se incrementa la absorcion pasiva por la hipertonia. En experimentos in vitro con camaras ussing, los inhibidores del citoesqueleto citocalasina y colchicina incrementan los flujos pasivos de sustratos.  tambien parecen estar implicados mediadores intracelulares en la regulacion de la permeabilidad paracelular puesto que la adicion de agentes modificadores de la concentracion citosolica del calcio, ampc o pkc aumenta los flujos pasivos de sustrato.  los resultados indican que las uniones estrechas pueden ser fisiologicamente moduladas por cambios extra o intracelulares, probablemente en reacion con el citoesqueleto.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Modulacion de la absorcion pasiva paracelular de azucares en yeyuno de rata.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Modulacion de la absorcion pasiva paracelular de azucares en yeyuno de rata. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Perez Del Castillo M. Mercedes <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Navarra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1995<\/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>Ana Barber C\u00e1rcamo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco Ponz Piedrafita <\/li>\n<li>Manuela Ort\u00edz Santesteban (vocal)<\/li>\n<li>\u00e1ngel Berj\u00f3n San Juan (vocal)<\/li>\n<li>Mar\u00eda  Jes\u00fas Rodriguez Yoldi (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Perez Del Castillo M. Mercedes Se han estudiado los mecanismos de regulacion de la permeabilidad intestinal en [&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":[467,35,9,5531,817,17749],"tags":[17999,18341,32269,32270,32271,32268],"class_list":["post-9423","post","type-post","status-publish","format-standard","hentry","category-ciencias-de-la-nutricion","category-ciencias-de-la-vida","category-ciencias-medicas","category-fisiologia-gastrointestinal","category-fisiologia-humana","category-navarra","tag-ana-barber-carcamo","tag-angel-berjon-san-juan","tag-francisco-ponz-piedrafita","tag-manuela-ortiz-santesteban","tag-maria-jesus-rodriguez-yoldi","tag-perez-del-castillo-m-mercedes"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/9423","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=9423"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/9423\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=9423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=9423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=9423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}