METHODS:127464G/A genotyping was processed by the methods of non-denaturing polyacrylamide gel electrophoresis and direct gene sequencing,and the blood sqmple were from 38 Cantonese nasopharyngeal carcinoma patients and 40 healthy individuals.

• 方法:应用非变性聚丙烯酰胺凝胶电泳结合测序方法对38例广东NPC患者及40例对照样本ATM基因127464G/A基因分型。