Conclusion HLA-DQA1 * 0301 allele is the susceptible gene of JMG,and JMG is different from adult MG in genetic immune mechanism.

• 结论HLA-DQA1*0301基因为少年型重症肌无力的易感基因，提示少年型重症肌无力与成人重症肌无力有着不同的免疫遗传机制。