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鼻咽癌在广东地区的发病率居世界首位, 且与EB 病毒(Epstein-Barr virus, EBV)关系密切. EB 病毒广泛存在, 可以在健康携带者外周血 B 淋巴细胞中长期潜伏而不引起任何症状. 因此, 在鼻咽癌高发区可能存在具有高致瘤性的 EB 病毒亚株. EB 病毒核抗原 1(EBV nuclear antigen
The incidence of nasopharyngeal carcinoma in Guangdong is the highest in the world, and is closely related to Epstein-Barr virus (EBV), which is widespread in the peripheral blood B lymphocytes of healthy carriers without causing any Therefore, in the high incidence of nasopharyngeal carcinoma may have a highly tumorigenic Epstein-Barr virus subtype EBV nuclear antigen 1 (EBV nuclear antigen