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孕早期绒毛FISH检测和染色体核型分析在产前诊断中应用比较

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摘要 目的探讨荧光原位杂交(FISH)技术和绒毛染色体核型分析技术在产前诊断中的应用价值。方法抽取384例孕8~12周的孕妇绒毛,同时将绒毛标本进行FISH检测和绒毛染色体核型分析。结果 384例绒毛标本FISH检测均得出结果,检测成功率为100%。FISH检测共检出54例阳性结果,异常核型检出率为14.1%。384例绒毛染色体核型分析中364例检测出结果,12例污染,8例无原因细胞不贴壁生长,检测成功率为94.8%。364例检出结果中异常核型检出59例,异常核型检出率为15.4%。结论 FISH检测绒毛标本具有快速、简便等优势,但只能检出非整倍体和嵌合体,应用具有一定的局限性。常规绒毛染色体核型分析操作技术要求高,培养时间长,但是绒毛染色体核型分析即能检出染色体的非整倍体又能检出染色体结构畸变。二者有机结合相互补充能够更好的服务于产前诊断。
出处 《中国优生与遗传杂志》 2012年第11期37-38,共2页 Chinese Journal of Birth Health & Heredity
基金 2009年河北省科技支撑计划项目项目编号09276122
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参考文献4

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二级参考文献8

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