Methods Blood samples were collected from a Uyghur population in Xinjiang Uyghur Autonomous Region,and the genomic DNA was extracted from the leucocytes and the target gene fragment amplified by PCR.

• 方法收集新疆维吾尔族自治区维吾尔族一般人群血标本,提取白细胞基因组DNA,以PCR扩增目的基因片段并应用荧光探针杂交可视技术检测点突变。