{"id":88971,"date":"2018-03-10T00:14:03","date_gmt":"2018-03-10T00:14:03","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/relacion-entre-la-produccion-pineal-de-melatonina-el-desarrollo-puberal-y-el-estado-nutricional-del-nino\/"},"modified":"2018-03-10T00:14:03","modified_gmt":"2018-03-10T00:14:03","slug":"relacion-entre-la-produccion-pineal-de-melatonina-el-desarrollo-puberal-y-el-estado-nutricional-del-nino","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/relacion-entre-la-produccion-pineal-de-melatonina-el-desarrollo-puberal-y-el-estado-nutricional-del-nino\/","title":{"rendered":"Relaci\u00f3n entre la producci\u00f3n pineal de melatonina, el desarrollo puberal y el estado nutricional del ni\u00f1o."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jos\u00e9 Murcia Garc\u00eda <\/strong><\/h2>\n<p>La melatonina es el principal producto hormonal de secreci\u00f3n de la gl\u00e1ndula pineal(situada en el centro del cerebro), derivando del tript\u00f3fano(amino\u00e1cido esencial que se debe administrar con la dieta).  la s\u00edntesis de melatonina sigue un patr\u00f3n circadiano, con m\u00e1xima producci\u00f3n nocturna, sinedo el ciclo luz-oscuridad el principal regulador de este ritmo circadiano(la luz inhibe y la oscuridad etimula la sintesis y secreci\u00f3n de melatonina).  en esta tesis se estudian 32 casos(17 ni\u00f1os y 15 ni\u00f1as),correspondientes a ni\u00f1os sanos sin antecedentes de inter\u00e9s ni patolog\u00eda org\u00e1nica conocida. ni\u00f1os vistos en la consulta de pediatr\u00eda general del hospital clinico universitario \u00absan cecilio\u00bb de granada para un estudio por una patolog\u00eda banal, no habi\u00e9ndose descubierto patolog\u00eda alguna en ninguno de los casos. A todos los ni\u00f1os tras historia cl\u00ednica, se realiza expliraci\u00f3n fisica completa con valoraci\u00f3n del estadio de tanner de desarrollo puberal(estadio de desarrollo genital y de vello pubiano), con valoraci\u00f3n del estado nutricional mediante la determinaci\u00f3n de variables somatom\u00e9tricas(peso, talla,per\u00edmetro braquial, pliegues cut\u00e1neos), de las que se deducen \u00edndices y proporciones de gran importancia:\u00edndice de quetelet, \u00edndice de rorher, \u00edndice ponderal, \u00edndice nutricional, densidad corporal y porcentaje de grasa corporal . Se les realiza determinaci\u00f3n sangu\u00ednea de hemograma, bioqu\u00edmica b\u00e1sica y determinaciones hormonales de fsh,lh, estradiol,testosterona y dhes. Asimismo se determina la edad \u00f3sea mediante radiografia de carpo de mano izquierda y se realizan determinaciones de melatonina mediante ria de orina de la ma\u00f1ana(9-21h) y de orina de la noche(21-9 h del d\u00eda siguiente). Adem\u00e1s los ni\u00f1os realizan dos test de autoevaluaci\u00f3n: el test staic de ansiedad y el cds de depresi\u00f3n. los objetivos son:1) determinar las tasas y ritmos de secreci\u00f3n en ambos grupos;2) analizar si como se acepta en la literatura<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Relaci\u00f3n entre la producci\u00f3n pineal de melatonina, el desarrollo puberal y el estado nutricional del ni\u00f1o.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Relaci\u00f3n entre la producci\u00f3n pineal de melatonina, el desarrollo puberal y el estado nutricional del ni\u00f1o. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jos\u00e9 Murcia Garc\u00eda <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Granada<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/02\/2001<\/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>Antonio Mu\u00f1oz Hoyos<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: gabriel Gald\u00f3 mu\u00f1oz <\/li>\n<li>Juan  pedro Lopez  siguero (vocal)<\/li>\n<li>encarnaci\u00f3n Mart\u00edn medina (vocal)<\/li>\n<li>pascual vicente Crespo ferrer (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jos\u00e9 Murcia Garc\u00eda La melatonina es el principal producto hormonal de secreci\u00f3n de la gl\u00e1ndula pineal(situada en [&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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