{"id":62765,"date":"2008-05-02T00:00:00","date_gmt":"2008-05-02T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-acidos-grasos-3-hiidroxilados-en-placa-dental-subgingival-relacion-con-la-presencia-de-diversos-periodontopatogenos-e-implicaciones-diagnosticas-en-casos-de-periodontitis-cronica\/"},"modified":"2008-05-02T00:00:00","modified_gmt":"2008-05-02T00:00:00","slug":"estudio-de-acidos-grasos-3-hiidroxilados-en-placa-dental-subgingival-relacion-con-la-presencia-de-diversos-periodontopatogenos-e-implicaciones-diagnosticas-en-casos-de-periodontitis-cronica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/microbiologia-clinica\/estudio-de-acidos-grasos-3-hiidroxilados-en-placa-dental-subgingival-relacion-con-la-presencia-de-diversos-periodontopatogenos-e-implicaciones-diagnosticas-en-casos-de-periodontitis-cronica\/","title":{"rendered":"Estudio de \u00e1cidos grasos 3-hiidroxilados en placa dental subgingival: relaci\u00f3n con la presencia de diversos periodontopat\u00f3genos e implicaciones diagn\u00f3sticas en casos de periodontitis cr\u00f3nica"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Mart\u00ednez Ricarte Jos\u00e9 Pascual <\/strong><\/h2>\n<p>En la presente tesis se maneja la hip\u00f3tesis de que las comunidades de bacterias gram-negativas presentan diferencias significativas entre sujetos sanos y sujetos con periodontitis cr\u00f3nica. Dado que en estos \u00faltimos abundan aquellas que contienen, mayoritariamente, \u00e1cidos grasos 3-hidroxilados del tipo 3-oh iso 17.0 y 3-oh 16.0, la aplicaci\u00f3n de la cromatograf\u00eda de gases-espectrometr\u00eda de masas en modo sim (cg-em-sim) debe poner de manifiesto tales diferencias y servir, adem\u00e1s, como m\u00e9todo de diagn\u00f3stico de la enfermedad y de aproximaci\u00f3n general a etiolog\u00eda de la misma. Al mismo tiempo, determinadas especies con evidencias claras de participar en periodontitis cr\u00f3nica, tales como porphyromonas gingivalis, tannerella forsythia y treponema denticola, deben estar presentes con m\u00e1s frecuencia en casos de enfermedad y su detecci\u00f3n relacionarse con los niveles de \u00e1cidos grasos 3-hidroxilados citados. se analiz\u00f3 la composici\u00f3n de \u00e1cidos grasos 3-hidroxilados en 137 muestras de placa subgingival (45 personas sanas -controles- y 92 pacientes con periodontitis cr\u00f3nica) empleando cg-em-sim a m\/z 175 (ion caracter\u00edstico de \u00e1cidos grasos 3-hidroxilados derivados a trimetil silil \u00e9teres), estim\u00e1ndose la presencia de diversos periodontopat\u00f3genos mediante pcr convencional.  las conclusiones m\u00e1s relevantes fueron las siguientes: 1) los \u00e1cidos grasos 3-hidroxilados presentes en placa subgingival son representativos de las poblaciones de bacterias gram-negativas presentes en ese h\u00e1bitat, destacando, por su abundancia el acido 3-oh 14.0 y en el 3-oh iso 17.0.  2) existe un patr\u00f3n caracter\u00edstico de \u00e1cidos grasos 3-hidroxilados en personas con salud periodontal y otro caracter\u00edstico de personas con periodontitis cr\u00f3nica. En el primero destaca la abundancia del 3-oh 14.0, mientras que el segundo destaca la del 3-oh iso 17.0, indicando que en condiciones de enfermedad sobresalen las bacterias gram-negativas anaerobias estrictas sobre las anaerobias facu<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de \u00e1cidos grasos 3-hiidroxilados en placa dental subgingival: relaci\u00f3n con la presencia de diversos periodontopat\u00f3genos e implicaciones diagn\u00f3sticas en casos de periodontitis cr\u00f3nica<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de \u00e1cidos grasos 3-hiidroxilados en placa dental subgingival: relaci\u00f3n con la presencia de diversos periodontopat\u00f3genos e implicaciones diagn\u00f3sticas en casos de periodontitis cr\u00f3nica <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Mart\u00ednez Ricarte Jos\u00e9 Pascual <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 05\/02\/2008<\/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>Pedro Luis Valero Guillen<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Ramon Cisterna Cancer <\/li>\n<li>Javier Aznar Martin (vocal)<\/li>\n<li>Benito Regueiro Garcia (vocal)<\/li>\n<li>Genoveva Yag\u00ed\u00bce Guirao (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mart\u00ednez Ricarte Jos\u00e9 Pascual En la presente tesis se maneja la hip\u00f3tesis de que las comunidades de [&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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