{"id":74775,"date":"2018-03-09T23:19:52","date_gmt":"2018-03-09T23:19:52","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/actividad-de-los-mastocitos-de-la-mucosa-intestinal-en-ratas-con-hipersensibilidad-y-mecanismos-neuroendocrinos-reguladores-de-la-funcion-mastocitaria\/"},"modified":"2018-03-09T23:19:52","modified_gmt":"2018-03-09T23:19:52","slug":"actividad-de-los-mastocitos-de-la-mucosa-intestinal-en-ratas-con-hipersensibilidad-y-mecanismos-neuroendocrinos-reguladores-de-la-funcion-mastocitaria","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/actividad-de-los-mastocitos-de-la-mucosa-intestinal-en-ratas-con-hipersensibilidad-y-mecanismos-neuroendocrinos-reguladores-de-la-funcion-mastocitaria\/","title":{"rendered":"Actividad de los mastocitos de la mucosa intestinal en ratas con hipersensibilidad y mecanismos neuroendocrinos reguladores de la funci\u00f3n mastocitaria"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Yolanda Saavedra Torres <\/strong><\/h2>\n<p>Introducci\u00f3n  existen una serie de alteraciones intestinales de causa desconocida, que se engloban bajo el nombre de s\u00edndrome del intestino irritable (ibs), y que se caracterizan por hipersensibilidad intestinal.  las alergias alimentarias y la intolerancia a algunos componentes de la dieta, entre otros, se han descrito como posibles factores con un papel importante en la aparici\u00f3n y perpetuaci\u00f3n del ibs. Los mastocitos, presentes en los tejidos en condiciones fisiol\u00f3gicas, e implicados en la patog\u00e9nesis de la alergia, podr\u00edan influir, mediante la liberaci\u00f3n de mediadores, sobre la actividad motora intestinal tanto en situaci\u00f3n fisiol\u00f3gica como patol\u00f3gica.  objetivos  los objetivos de este estudio han sido:  1,- valorar si la somatostatinta (ss) podr\u00eda contribuir a la reducci\u00f3n de la degranulaci\u00f3n de los mastocitos de la mucosa intestinal (immc).  2,- determinar si la sensibilizaci\u00f3n podr\u00eda inducir alteraciones motoras funcionales cr\u00f3nicas en el intestino y los mecanismos implicados.  3,- establecer un modelo adecuado de hipersensibilidad alimentaria.  4,- determinar si factores gen\u00e9ticos podr\u00edan determinar el tipo de respuesta inmune y las consecuencias funcionales de la sensibilizaci\u00f3n.  m\u00e9todos  mediante perfusi\u00f3n duodenal en rata anestesiada se valor\u00f3 el efecto de la ss sobre la concentraci\u00f3n en perfundido de rat mast cell protease ii (rmcp ii) en condiciones basales y de estimulaci\u00f3n con peptona, y tambi\u00e9n en ratas con hiperplasia mastocitaria infectadas con trinchinella spiralis. mediante inmunofluorescencia se valor\u00f3 la presencia para la ss en los mastocitos.  ratas sprague-dawley (sd) y ratas brown norway (bn, predispuestas gen\u00e9ticamente a alergias) fueron sensibilizadas a la ovoalb\u00famina (ova) mediante tres protocolos de inducci\u00f3n distintos (dos parenterales y uno oral) y se valor\u00f3 la concentraci\u00f3n s\u00e9rica de iges y rmcp ii mediante elisa, la motilidad intestinal mediante strain gauges,<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Actividad de los mastocitos de la mucosa intestinal en ratas con hipersensibilidad y mecanismos neuroendocrinos reguladores de la funci\u00f3n mastocitaria<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Actividad de los mastocitos de la mucosa intestinal en ratas con hipersensibilidad y mecanismos neuroendocrinos reguladores de la funci\u00f3n mastocitaria <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Yolanda Saavedra Torres <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/06\/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>Patrocinio Vergara Esteras<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: cristina Castellote bargallo <\/li>\n<li>Ana Puigdemont rodr\u00edguez (vocal)<\/li>\n<li>Mar\u00eda  angeles Alller reyero (vocal)<\/li>\n<li>Javier Santos vicente (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Yolanda Saavedra Torres Introducci\u00f3n existen una serie de alteraciones intestinales de causa desconocida, que se engloban bajo [&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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