{"id":142559,"date":"1993-01-01T00:00:00","date_gmt":"1993-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/alteracion-de-algunos-metabolitos-por-variaciones-dietarias-en-el-contenido-de-metioninacisteina-y-energia-en-sangre-y-cerebro-de-ratas\/"},"modified":"1993-01-01T00:00:00","modified_gmt":"1993-01-01T00:00:00","slug":"alteracion-de-algunos-metabolitos-por-variaciones-dietarias-en-el-contenido-de-metioninacisteina-y-energia-en-sangre-y-cerebro-de-ratas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/alteracion-de-algunos-metabolitos-por-variaciones-dietarias-en-el-contenido-de-metioninacisteina-y-energia-en-sangre-y-cerebro-de-ratas\/","title":{"rendered":"Alteracion de algunos metabolitos por variaciones dietarias en el contenido de metionina+cisteina y energia en sangre y cerebro de ratas."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Arribas Garcia Bego\u00f1a De <\/strong><\/h2>\n<p>Se estudia a intervalos crecientes de tiempo las alteraciones de algunos parametros bioquimicos inducidos en ratas macho wistar suministrando dietas carentes de metionina+cisteina y deficiencia energetica frente a controles alimentadas con 10% de caseina + dl-metionina.La falta de metionina y cisteina reduce la ingesta y peso corporal, asi como el balance de nitrogeno y la insulina plasmatica, especialmente en los animales deficitarios de energia.Tambien se producen descensos en albumina y beta-globulinas plasmaticas. El peso cerebral y el contenido proteico conservan su valor hasta sufrir un descenso al final de la experiencia, de igual modo sucede con el contenido de dna. El rna desciende, la actividad dnasa disminuye mientras que la rnasa aumenta.  esto conlleva el mantenimiento del dna y del rna en el lote deficitario de energia ya que en este caso predomina la sintesis sobre la degradacion.  se produce tanto en plasma como en eritrocitos un descenso de los aar, aaa y basicos asi como una elevacion en los animales carentes de metionina + cisteina de los aa gluconeogenicos (glutamina, serina, glicina y treonina) y su disminucion en los animales deficitarios de energia.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Alteracion de algunos metabolitos por variaciones dietarias en el contenido de metionina+cisteina y energia en sangre y cerebro de ratas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Alteracion de algunos metabolitos por variaciones dietarias en el contenido de metionina+cisteina y energia en sangre y cerebro de ratas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Arribas Garcia Bego\u00f1a De <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1993<\/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> Rey De Vi\u00f1asa Rodr\u00edguez Jos\u00e9 Luis<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Ana Mar\u00eda Requejo Marcos <\/li>\n<li>Antonio Gomez Garcia (vocal)<\/li>\n<li>Elena Vara Ameigueiras (vocal)<\/li>\n<li>Carlos Stokert Juan (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Arribas Garcia Bego\u00f1a De Se estudia a intervalos crecientes de tiempo las alteraciones de algunos parametros bioquimicos [&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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