This gene is different from the breast-cancer susceptibility genes, BRCA1 and BRCA2, which women are born with.

这些基因不同于以往的乳腺癌易感基因BRCA1和BRCA2。以往的易感基因是先天具有的。

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The study tracked 1,492 Canadian women with an average age of 48 who did not have mutations in either of two breast cancer susceptibility genes - BRCA1 and BRCA2.

研究人员对1492名平均年龄为48岁的加拿大女性进行了跟踪调查。 她们携带的BRCA1和BRCA2两种乳腺癌易感基因都没有发生突变。

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Objective To study the relationship between the polymorphisms of CYP1A1 and GSTM1 genes and the individual susceptibility of lung cancer.

目的探讨CYP1A1和GSTM 1基因多态性与个体肺癌易感性的关系。

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The researchers suggest that once people reach a certain age some genes become more active, and this may trigger a susceptibility to skin cancer.

BBC: Twins offer skin cancer clue