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基因多态性是指正常人群中在某一基因位点上存在着两个或两个以上不同等位基因的现象[1]。近年的研究结果提示谷胱苷肽转硫酶(Glutathione-s-transferase,GST)基因存在多态性现象,并且与包括肝癌在内的多种肿瘤的发生发展有密切联系。癌家族是指一个家族中有较多成员罹患一种或
Gene polymorphism refers to the phenomenon of two or more different alleles in a gene locus in the normal population [1]. Recent studies suggest that GST gene polymorphism exists and is closely related to the development and progression of a variety of tumors including liver cancer. Cancer family refers to more members of a family suffering from one or