荧光原位杂交快速检测羊水胎儿染色体非整倍体

Chinese Journal of Birth Health & Heredity(2016)

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Abstract
目的 探讨应用荧光原位杂交(fluorescent in situ hybridization,FISH)技术用于快速产前诊断胎儿染色体非整倍体的临床价值.方法 采用13、21和18、X、Y两组染色体探针,对308例未培养的羊水细胞样本进行染色体非整倍体检测.所有样本同时进行羊水细胞的常规G显带核型分析并作为标准,对FISH技术进行评价.结果 308例标本均成功杂交,共检出染色体异常14例,包括21三体1 0例、18三体2例、XXX 1例及XYY 1例,均与羊水培养细胞核型分析结果一致,另外9例染色体正常变异FISH技术未能检出.结论 FISH技术可以快速、准确地检测出胎儿染色体数目异常,联合羊水细胞培养能够更好的服务于临床,使产前诊断的效能达到最大化.
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Key words
Fluorescence in situ hybridization,Aneuploidy,Amniotic fluid,Prenatal diagnosis
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