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利用白细胞粘附抑制实验， 对胃癌特异性转移因子（ Ｇ Ｔ Ｆ） 的生物学活性及其作用特异性进行了研究。结果表明胃癌特异性转移因子在体外具有白细胞粘附抑制能力， 并且这一生物学活性具有抗原特异性（ Ｐ＜ ００１ ） 。
Using the leukocyte adhesion inhibition experiment, the biological activity of gastric cancer-specific transfer factor (GTF) and its specificity of action were studied. The results showed that gastric cancer-specific transfer factor has leukocyte adhesion inhibition in vitro, and this biological activity has antigen specificity (P<001).