{"id":52259,"date":"2022-01-31T14:00:31","date_gmt":"2022-01-31T14:00:31","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/la-proliferacion-de-los-conductos-biliares-consecutiva-a-la-administracion-de-dena\/"},"modified":"2022-01-31T14:00:31","modified_gmt":"2022-01-31T14:00:31","slug":"la-proliferacion-de-los-conductos-biliares-consecutiva-a-la-administracion-de-dena","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/la-proliferacion-de-los-conductos-biliares-consecutiva-a-la-administracion-de-dena\/","title":{"rendered":"La proliferacion de los conductos biliares consecutiva a la administracion de dena."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Diaz De Otazu Martinez De Marigorta Ramon <\/strong><\/h2>\n<p>Se analizan los variados tipos de respuestas ducto-ductular biliar que siguen al estimulo carcinogenico  tal como se observan en la hepatocarcinogenesis inducida por la dietilnitrosamina (dena). Las 46 ratas wistar fueron divididas en cuatro grupos: 1. Control; 2. Ligadura del coledoco; 3. Dena  y 4. Dena seguida de ligadura. Se exponen los resultados bioquimicos  morfologicos y morfometricos de dichos grupos. Cada grupo experimental presento rasgos especificos: cambios ductal post-ligadura (grupo 2) proliferacion de ductulos de celulas ovales (grupo 3)  y tubulos intermedios entre uno y otra (grupo 4). Este ultimo tipo solo se observa si la ligadura es precedida por un tratamiento cronico con dena. Las celulas ovales inducidas por dena y sometidas al estimulo ulterior de la ligadura del coledoco son capaces de proliferar aumentando su numero y dando ademas origen a tubulos de rasgos intermedios. Las celulas ovales en las condiciones de este experimento  poseen por tanto  capacidad de respuestas a la accion de factores homeostaticos  y parecen representar no un cambio preneoplasico sino simplemente hiperplasico.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>La proliferacion de los conductos biliares consecutiva a la administracion de dena.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 La proliferacion de los conductos biliares consecutiva a la administracion de dena. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Diaz De Otazu Martinez De Marigorta Ramon <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Navarra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1983<\/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>Gonzalo Herranz Rodriguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jes\u00fas Vazquez Garcia <\/li>\n<li> Gonzalo Sanz  Luis Mar\u00eda (vocal)<\/li>\n<li>Cesar Aguirre Viani (vocal)<\/li>\n<li>Gonzalo Herranz Rodriguez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Diaz De Otazu Martinez De Marigorta Ramon Se analizan los variados tipos de respuestas ducto-ductular biliar que [&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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