2014
DOI: 10.1590/0004-2730000002853
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Uso da FISH em mucosa oral para investigação de mosaicismo com linhagem 45,X: estudo com homens saudáveis e pacientes com distúrbios da diferenciação do sexo

Abstract: Objetivo: Verificar se a hibridização in situ por fluorescência (FISH) em células de mucosa oral poderia ser empregada para detectar criptomosaicismo com linhagem 45,X em pacientes 46,XY. Sujeitos e métodos: Amostra de 19 jovens saudáveis 46,XY e cinco pacientes com distúrbios da diferenciação do sexo (DDS), quatro 45,X/46,XY e um 46,XY. FISH com sondas específicas para X e Y em núcleos interfásicos de linfócitos e mucosa oral para investigar a proporção de núcleos contendo apenas o sinal do cromossomo X. … Show more

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“…This study also showed that using mouth epithelial cells may be efficient for this kind of analysis and advantageously evaluates a tissue with the same embryo origin as fibroblasts without the need for biopsy or culturing. Yet, it requires same-day processing to avoid bacterial contamination (16).…”
Section: Discussionmentioning
confidence: 99%
“…This study also showed that using mouth epithelial cells may be efficient for this kind of analysis and advantageously evaluates a tissue with the same embryo origin as fibroblasts without the need for biopsy or culturing. Yet, it requires same-day processing to avoid bacterial contamination (16).…”
Section: Discussionmentioning
confidence: 99%