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脆性X染色体综合征的生殖遗传研究进展 被引量:3

Reproductive genetic research progress of fragile X syndrome
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摘要 脆性X染色体综合征(fragile X syndrome,FXS)是一种仅次于唐氏综合征的常见遗传性智力低下的疾病。由脆性X的主要致病基因FMR1导致(CGG)n序列异常扩增引起,以至机体不能表达正常的蛋白质,对应的表型主要是智力低下,患者智商仅为正常人的40%[1]。本文对脆性X染色体综合征分子机制、临床症状、生殖及遗传加以综述。 Fragile X syndrome(fragile X syndrome,FXS)is a common inherited mental retardation disease,only below the Down's syndrome.The main pathogenic gene FMR1 of fragile X which leads to(CGG)n abnormal amplification,so can not express the normal protein,the corresponding phenotype is mainly in patients with mental retardation,IQ is only40% of normal people[1].In this paper,we will have a review about the molecular mechanism,clinical symptom,reproductive and genetic.
出处 《国外医学(医学地理分册)》 CAS 2015年第2期155-158,共4页 Foreign Medical Sciences:Section of Medgeography
基金 西藏民族学院基金(No:11myY23)
关键词 脆性X综合征 分子机制 临床症状 生殖 遗传 Fragile X syndrome(FXS) molecular mechanism clinical symptom reproductive genetics
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