The C-KIT gene Exon 9,11,13 does not seem to be an alternative pathway development in AA of the child because neither expression nor activating mutations of these Exons are found.

• C-KIT基因Exon9、11、13表达与儿童再障发病关系不大,提示儿童再障的发病可能不是由于Exon9、11、13突变引起。