{"id":156235,"date":"2026-01-12T17:27:29","date_gmt":"2026-01-12T17:27:29","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-los-inhibidores-de-la-xantino-oxidasa-y-de-los-neutralizadores-de-los-radicales-libres-en-la-isquemia-intestinal-aguda-estudio-experimental\/"},"modified":"2026-01-12T17:27:29","modified_gmt":"2026-01-12T17:27:29","slug":"estudio-de-los-inhibidores-de-la-xantino-oxidasa-y-de-los-neutralizadores-de-los-radicales-libres-en-la-isquemia-intestinal-aguda-estudio-experimental","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/estudio-de-los-inhibidores-de-la-xantino-oxidasa-y-de-los-neutralizadores-de-los-radicales-libres-en-la-isquemia-intestinal-aguda-estudio-experimental\/","title":{"rendered":"Estudio de los inhibidores de la xantino-oxidasa y de los neutralizadores de los radicales libres en la isquemia intestinal aguda. estudio experimental."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Carlos Martin Rollan <\/strong><\/h2>\n<p>Se ha sugerido que los radicales libres tendrian un papel importante en la etiopatogenesis del sindrome de isquemia-revascularizacion. A nivel intestinal la x-o seria su principal origen.  en un modelo de isquemia intestinal reversible de alta mortalidad en ratas, se valoro:  1) la inhibicion de su produccion administrando aloponnol.  2) efecto de administracion exogena de dosis farmacologicas de sod y catalasa.  3) respuesta de los sistemas antioxidantes intracelulares: actividad enzimatica de sod.  resultados:  i.- Solo cuando el aloponnol se administro, segun la pauta oral, se observaron diferencias significativas de supervivencia. Este efecto es independiente de la inhibicion de la x-o y esta en relacion (probablemente) con los niveles de aloponnol y oxiponnol en la pared intestinal.  ii.- La sod cuando se administro antes de la isquemia produjo resultados significativos de supervivencia. Este efecto es dosis-dependiente.  iii.- La isquemis produce un descenso significativo de la actividad enzimatica de la sod en la pared intestinal.  durante la revascularizacion, este descenso se acentua significativamente solo en los grupos tratados con aloponnol, respecto al grupo no tratado.  iv.- Los resultados de supervivencia se correlacionan con mejoria de las lesiones vellositarias.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de los inhibidores de la xantino-oxidasa y de los neutralizadores de los radicales libres en la isquemia intestinal aguda. estudio experimental.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de los inhibidores de la xantino-oxidasa y de los neutralizadores de los radicales libres en la isquemia intestinal aguda. estudio experimental. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Carlos Martin Rollan <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1991<\/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>Alberto Gomez Alonso<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Mar\u00eda Ferrandez Portal <\/li>\n<li>Carlos Vaquero Puerta (vocal)<\/li>\n<li>Fernando Fern\u00e1ndez De La Gandara (vocal)<\/li>\n<li>Juan Macias Nu\u00f1ez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Carlos Martin Rollan Se ha sugerido que los radicales libres tendrian un papel importante en la etiopatogenesis [&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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