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引言Ｏ“甲基鸟瞟吟（Ｏ‘－－ｕｎｅＧ）是生物体细胞ＤＮＡ受环境致癌物及各种细胞毒性药物的甲基化作用而形成的代谢产物Ｉ’］。实验表明，多种恶性肿瘤如肝癌、肺癌、胰腺癌等病人血清和尿样中Ｏ‘一ＭｅＧ的浓度均升高。本研究目的是通过对正常人血清及尿样中Ｏ“ＭｅＧ
INTRODUCTION O “O-uneG” is a metabolite formed by the methylation of environmental cell carcinogens and various cytotoxic drugs in biological cells [1]. Experiments show that many malignant The concentrations of O’-MeG in serum and urine of patients with tumors such as liver cancer, lung cancer and pancreatic cancer were all elevated.The aim of this study was to investigate the effects of O "MeG