Although the severity of symptoms and the age at which they manifest themselves varies, Rett syndrome has just one cause: mutations in a single gene called MeCP2.
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- 虽然这种疾病的严重程度和发作时间因人而异,但雷特氏综合征只有一个起因,那就是,一个叫做MeCP2的单基因发生了突变。