{"id":74060,"date":"2018-03-09T23:19:02","date_gmt":"2018-03-09T23:19:02","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/mecanismos-implicados-en-el-efecto-protector-de-la-quercetina-en-la-toxicidad-producida-por-cadmio\/"},"modified":"2018-03-09T23:19:02","modified_gmt":"2018-03-09T23:19:02","slug":"mecanismos-implicados-en-el-efecto-protector-de-la-quercetina-en-la-toxicidad-producida-por-cadmio","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/nefrologia\/mecanismos-implicados-en-el-efecto-protector-de-la-quercetina-en-la-toxicidad-producida-por-cadmio\/","title":{"rendered":"Mecanismos implicados en el efecto protector de la quercetina en la toxicidad producida por cadmio"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Cesareo Vicente Sanchez <\/strong><\/h2>\n<p>El incremento en la producci\u00f3n anual de cadmio (cd) ha favorecido que la incidencia pro intoxicaci\u00f3n cr\u00f3nica a este elemento haya aumentado. El estr\u00e9s oxidativo es uno de los mecanismos implicados en la generaci\u00f3n del efecto t\u00f3xico, manifest\u00e1ndose por una lesi\u00f3n renal. La quercetina (q) es un potente antioxidante, un buen quelante de metales y se han referenciado, tambi\u00e9n, propiedades antiinflamatorias. El objetivo de nuestro trabajo fue estudiar el posible efecto protector de la q en la nefrotoxicidad inducida por cd. Los experimentos se realizaron con ratas wistar, dividi\u00e9ndose en cuatro grupos: a) grupo control. 2) grupo cd: al que se administr\u00f3 cd (1,2 mg\/kg\/d\u00eda, s.C.) Durante 9 semanas, 3) grupo q: al que se administr\u00f3 q (50 mg\/kg\/d\u00eda, i.P.) Durante 5 semanas, 4) grupo cd+q: al que se administr\u00f3 cd durante 9 semanas y q durante 5 semanas, comenzando la administraci\u00f3n a la cuarta semana de comenzar con cd. Se obtuvieron muestras de orina de 24 horas, sangre, ri\u00f1\u00f3n e h\u00edgado antes de iniciar los tratamiento,  a las tres, a las seis semanas y al final del estudio. Para valorar la toxicidad renal se analiz\u00f3 la funci\u00f3n renal, marcadores enzim\u00e1ticos de da\u00f1o renal y alteraciones de las c\u00e9lulas tubulares renales. Concentraci\u00f3n de tbars, antioxidantes totales plasm\u00e1ticos y enzimas antioxidantes se midieron para estudiar el estr\u00e9s oxidativo. La implicaci\u00f3n de las metalotione\u00ednas (mts) sobre el efecto protector de q y su actividad antiinflamatoria se analizaron midiendo la expresi\u00f3n de mts, enos y cox-2 por western blot y la expresi\u00f3n de arnm de mts y enos por northern blot. La administraci\u00f3n cr\u00f3nica de cd produce da\u00f1o renal por un incremento en el estr\u00e9s oxidativo y en la inflamaci\u00f3n. El tratamiento con q previene de este da\u00f1o, probablemente, por sus propiedades antioxidante y antiinflamatoria y por el incremento de la expresi\u00f3n de mts.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Mecanismos implicados en el efecto protector de la quercetina en la toxicidad producida por cadmio<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Mecanismos implicados en el efecto protector de la quercetina en la toxicidad producida por cadmio <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Cesareo Vicente Sanchez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/05\/2005<\/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> Morales Martin Ana Isabel<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis San rom\u00e1n del barrio <\/li>\n<li> Miguez santillan Mar\u00eda  prado (vocal)<\/li>\n<li> Rivas gonzalez Juli\u00e1n Carlos (vocal)<\/li>\n<li>asuncion Lafuente gimenez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cesareo Vicente Sanchez El incremento en la producci\u00f3n anual de cadmio (cd) ha favorecido que la incidencia [&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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