{"id":140164,"date":"2026-01-12T17:52:05","date_gmt":"2026-01-12T17:52:05","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nitratos-y-nitritos-como-factor-de-riesgo-de-cancer-gastrico\/"},"modified":"2026-01-12T17:52:05","modified_gmt":"2026-01-12T17:52:05","slug":"nitratos-y-nitritos-como-factor-de-riesgo-de-cancer-gastrico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/nitratos-y-nitritos-como-factor-de-riesgo-de-cancer-gastrico\/","title":{"rendered":"Nitratos y nitritos como factor de riesgo de cancer gastrico"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Lopez De Juan  Mar\u00eda no <\/strong><\/h2>\n<p>Se estudian comparativamente dos areas de la provincia de burgos que, por anteriores estudios, se habian definido como de \u00abalta\u00bb y \u00abbaja\u00bb incidencia de cancer gastrico.  realizamos 1: estudio del contenido de nitritos en saliva de escolares pertenecientes a ambas zonas. Se demostro que es mayor en el area de alta incidencia; en jugo gastrico de poblacion adulta tambien quedo demostrado. 2:  estudio endoscopico y biopsia gastrica de dos muestras de ambas areas, objetivamos mas gastritis atrofica antral en el area de alta incidencia. 3: buscando sustancias protectoras de carcinogenesis (vit. A, d y k en frutas y verduras) y favorecedoras (nitratos y nitritos en carnicos derivados del cerdo y ahumados), realizamos encuesta dietetica diaria viendo que hay mayor consumo de los primeros en zonas de baja incidencia. 4: analizamos la cantidad de nitratos en aguas de la provincia y vemos correlacion lineal entre estas y las tasas de cancer gastrico.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nitratos y nitritos como factor de riesgo de cancer gastrico<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nitratos y nitritos como factor de riesgo de cancer gastrico <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Lopez De Juan  Mar\u00eda no <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Valladolid<\/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>Antonio Due\u00f1as Laita<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Agustin Caro Paton Gomez <\/li>\n<li>F\u00e9lix D\u00edaz P\u00e9rez (vocal)<\/li>\n<li>Angel Sanchez Rodriguez (vocal)<\/li>\n<li>Jos\u00e9 Alonso Gonzalez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Lopez De Juan Mar\u00eda no Se estudian comparativamente dos areas de la provincia de burgos que, por [&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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