{"id":75703,"date":"2018-03-09T23:20:58","date_gmt":"2018-03-09T23:20:58","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/diferenciacion-de-los-elementos-vestibulares-y-cocleares-del-oido-interno-de-vertebrados\/"},"modified":"2018-03-09T23:20:58","modified_gmt":"2018-03-09T23:20:58","slug":"diferenciacion-de-los-elementos-vestibulares-y-cocleares-del-oido-interno-de-vertebrados","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/diferenciacion-de-los-elementos-vestibulares-y-cocleares-del-oido-interno-de-vertebrados\/","title":{"rendered":"Diferenciaci\u00f3n de los elementos vestibulares y cocleares del \u00f3ido interno de vertebrados"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Hortensia Sanchez Calder\u00f3n <\/strong><\/h2>\n<p>El o\u00eddo interno de vertebrados es el \u00f3rgano sensorial responsable de la audici\u00f3n y el equilibrio. Este se desarrolla a partir de una regi\u00f3n engrosada del ectodermo cef\u00e1lico situada a ambos lados del rombenc\u00e9falo y que se denomina placoda \u00f3tica. El o\u00eddo interno de aves aloja ocho \u00f3rganos sensoriales cuatro m\u00e1culas, tres crestas y la papila basilar. La especificaci\u00f3n de las regiones sensoriales y no sensoriales del epitelio \u00f3tico ocurre a trav\u00e9s de expresiones asim\u00e9tricas de genes espec\u00edficos, cuyos l\u00edmites pueden delimitar compartimentos restringidos de linaje celular.  en este trabajo hemos abordado el patr\u00f3n de expresi\u00f3n de los factores de transcripci\u00f3n otx2, gbx2 y pax2, y los factores de crecimiento fibrobl\u00e1sticos fgf8 y fgf19, para ello hemos utilizado la t\u00e9cnica de hibridaci\u00f3n in situ. hemos utilizado la sonda bmp4 para identificar los distintos \u00f3rganos sensoriales durante el desarrollo del o\u00eddo interno y el anticuerpo monoclonal 3a10, que marca neurofilamentos. El gen otx2 se detect\u00f3 en la pared ventro-lateral del esbozo \u00f3tico, adem\u00e1s podr\u00eda jugar un papel importante en la segregaci\u00f3n de la m\u00e1cula del utr\u00edculo y la m\u00e1cula del s\u00e1culo, as\u00ed como en la formaci\u00f3n del tegmentum vasculosum y en la formaci\u00f3n del conducto utriculo-sacular. gbx2 y fgf8, 5 podr\u00eda cooperar en la inervaci\u00f3n de la m\u00e1cula del s\u00e1culo y en la formaci\u00f3n del conducto endol\u00ednfatico.  el gen pax2, se localiza en las tres crestas sensoriales y en las cuatro m\u00e1culas (s\u00e1culo, utr\u00edculo, lagena y neglecta), pudiendo regular la formaci\u00f3n de las c\u00e9lulas sensoriales de los distintos \u00f3rganos sensoriales. El gen fgf19 est\u00e1 relacionado con la delaminaci\u00f3n de los neuroblastos y la formaci\u00f3n del ganlio ac\u00fastico vestibular. Tambi\u00e9n parece estar implicado en la inervaci\u00f3n de  los elementos sensoriales del o\u00eddo interno de aves. En la m\u00e1cula de la lagena, se coexpresan los genes pax2, fdgf8 y fgf19, y lindan con otx2, pudiendo esta<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Diferenciaci\u00f3n de los elementos vestibulares y cocleares del \u00f3ido interno de vertebrados<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Diferenciaci\u00f3n de los elementos vestibulares y cocleares del \u00f3ido interno de vertebrados <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Hortensia Sanchez Calder\u00f3n <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Extremadura<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 14\/07\/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>Matias Hidalgo S\u00e1nchez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: julio Navascues Martinez <\/li>\n<li>isabel Varela nieto (vocal)<\/li>\n<li>Fernando Gir\u00e1ldez orgaz (vocal)<\/li>\n<li>yolanda Ga\u00f1a presmanes (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Hortensia Sanchez Calder\u00f3n El o\u00eddo interno de vertebrados es el \u00f3rgano sensorial responsable de la audici\u00f3n y [&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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