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Rett综合征的基因突变检测

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摘要 Rett综合征(Rettsyndrome,RTT)多发生在儿童早期,主要表现为早期发育正常,6-18个月后出现进行性发育障碍,手部出现技巧性动作障碍,语言功能部分或完全丧失。患者几乎均为女性,但近年也有男性病例报道[1,2],患病率约为1/15000-1/10000[3]。RTT是一种性联遗传神经系统退行性疾病,呈X染色体显性遗传,1999年Amir等[4]确定位于染色体Xq28的MECP2基因是RTT的致病基因以来,国外发现60%~90%典型和40%非典型RTT患者存在各种基因突变[5,6],北京大学第一医院诊断的RTT患者中,典型患者该基因的突变检出率为84.3%-87.9%,不典型患者的突变检出率达57.1%[7,8]。
出处 《河北医药》 CAS 2013年第16期2457-2458,共2页 Hebei Medical Journal
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参考文献11

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二级参考文献43

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