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为探讨松花江江水潜在致癌性，检测了哈尔滨市上游１５ｋｍ处江水对ＮＩＨ３Ｔ３细胞的恶性转化作用。试验结果表明：乙醚提取物各剂量组均对细胞有一定毒性，能诱发典型的细胞转化灶，其转化率呈现剂量－效应关系。提示该江水具有潜在的致癌作用
In order to investigate the potential carcinogenicity of Songhuajiang River water, the malignant transformation of NIH3T3 cells at 15km upstream of Harbin was tested. The experimental results showed that each dose of the ether extract had certain toxicity to the cells and induced typical cell foci, and the conversion rate showed a dose-effect relationship. Suggesting that the river water has a potential carcinogenic effect