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实验采用~(125)Ⅰ—udR标记肿瘤靶细胞(YAC—1小鼠淋巴瘤细胞)DNA释放试验,对615近交系小鼠脾细胞自然杀伤活性进行了观察。两批实验结果表明,615近交系小鼠脾细胞NK细胞细胞毒性为13.9—14.9％。
In the experiment, ~(125)I-udR was used to label the tumor target cells (YAC-1 mouse lymphoma cells) DNA release assay, and the natural killing activity of 615 inbred mouse spleen cells was observed. Two batches of experimental results showed that the cytotoxicity of NK cells in spleen cells of 615 inbred mice was 13.9% to 14.9%.