The tissues of her abortus and blood of a health woman were detected, too. Results CTG repeats in both peripheral white cells and muscles of the suspected mother and the tissue of abortus were higher than normal range of CTG repeat number.

• 结果 该可疑个体外周血白细胞、肌肉及胎儿组织中MTPK基因CTG三核苷酸重复拷贝数均高于正常 ,并且血液及肌肉DNA中的CTG三核苷酸重复拷贝数无明显差别。