{"id":140466,"date":"2026-01-12T17:54:51","date_gmt":"2026-01-12T17:54:51","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/niveles-sericos-de-selenio-en-pacientes-con-cancer\/"},"modified":"2026-01-12T17:54:51","modified_gmt":"2026-01-12T17:54:51","slug":"niveles-sericos-de-selenio-en-pacientes-con-cancer","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/niveles-sericos-de-selenio-en-pacientes-con-cancer\/","title":{"rendered":"Niveles sericos de selenio en pacientes con cancer"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Isidoro Gonzalez Barrio <\/strong><\/h2>\n<p>El selenio es un microelemento esencial al que ultimamente se le atribuye un papel protector frente al cancer en diversos trabajos. Hemos estudiado 67 pacientes portadores de neoplasias de reciente diagnostico, elegidos al azar, y que previamente no habian recibido tratamientos antitumorales.  a todos los pacientes se les ha determinado la concentracion serica de selenio mediante espectrofotometria de absorcion atomica y se les ha comparado con un grupo control de individuos sanos. Asi mismo se ha realizado un estudio nutricional de los pacientes. Las concentraciones sericas de selenio son significativamente mas bajas en los pacientes con cancer que en los sujetos sanos del control (49+-15 mg\/1 y 59+- 18 ug\/1 respectivamente). Por grupos tumorales, solo son mas bajas de forma significativa en los canceres de tubo digestivo y en los pulmonares.  no hemos obtenido diferencias de concentraciones de selenio en suero entre los pacientes conmalnutricion y sin ella, y tampoco entre los diferentes estadios tumorales (metastasis y ausencia de ellas).<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Niveles sericos de selenio en pacientes con cancer<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Niveles sericos de selenio en pacientes con cancer <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Isidoro Gonzalez Barrio <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1992<\/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>Alejandro Tres Sanchez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Gabriel Guill\u00e9n Mart\u00ednez <\/li>\n<li>Luis Heras Cobo (vocal)<\/li>\n<li>Luis Monta\u00f1es Garcia (vocal)<\/li>\n<li>Valentin Del Villar Sordo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Isidoro Gonzalez Barrio El selenio es un microelemento esencial al que ultimamente se le atribuye un papel [&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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