{"id":7338,"date":"1995-01-01T00:00:00","date_gmt":"1995-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1995\/01\/01\/estudio-de-los-grupos-sanguineos-y-sustancias-afines-en-tumores-tiroideos\/"},"modified":"1995-01-01T00:00:00","modified_gmt":"1995-01-01T00:00:00","slug":"estudio-de-los-grupos-sanguineos-y-sustancias-afines-en-tumores-tiroideos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/estudio-de-los-grupos-sanguineos-y-sustancias-afines-en-tumores-tiroideos\/","title":{"rendered":"Estudio de los grupos sanguineos y sustancias afines en tumores tiroideos"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Garcia Santana Juan  Angel <\/strong><\/h2>\n<p>Se ha investigado la expresion de los antigenos de grupos sanguineos abo y sustancias afines en adenomas y carcinomas de tiroides, mediante una bateria de anticuerpos monoclonales contra los antigenos a, b, h, lea, leb, lex, ley, t, tn y tns, y las lectinas uea, pna y dba. Los resultados demuestran: 1) escasa frecuencia de expresion de antigenos en adenomas respecto a carcinomas; 2) en carcinomas papilares, existe expresion constante del agtn y alta expresion con el resto de los anticuerpos monoclonales estudiados. Los tumores con metastasis en el momento del diagnostico tienen deleccion del isoantigeno abh apropiado, expresion de antigenos abh inapropiados, expresion del antigeno tns, expresion de antigenos le junto con expresion de la sustancia h en endotelios y expresion de pna; 3) en carcinomas foliculares, la expresion conjunta de la sustancia h en el endotelio y de los antigenos lewis en celulas tumorales se asocia la presencia de metastasis; 4) en carcinomas medulares, la expresion simultanea de la sustancia h en endotelios y del antigeno lex se asocia de modo significativo con la presencia de metastasis. Este grupo de tumores no presenta deleccion del isoantigeno cuando existe metastasis; 5) en carcinomas insulares y anaplasicos hay una deleccion de los isoantigenos abh y notable predominio de estructuras tipo 2.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de los grupos sanguineos y sustancias afines en tumores tiroideos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de los grupos sanguineos y sustancias afines en tumores tiroideos <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Garcia Santana Juan  Angel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Sevilla<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1995<\/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>Ricardo Gonzalez Campora<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Alfredo Matilla Vicente <\/li>\n<li>Isicio Ortega Medina (vocal)<\/li>\n<li>Ines Martin Lacave (vocal)<\/li>\n<li>Juan  Jos\u00e9 Sanchez Carrillo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Garcia Santana Juan Angel Se ha investigado la expresion de los antigenos de grupos sanguineos abo 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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