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红细胞可产生NK细胞增强因子（NMF），显著增强NK细胞对肿瘤细胞的杀伤［‘］，在肿瘤的发生。发展及转归过程中具有不可忽视的作用。本研究发现，肝癌患者红细胞在自身血浆中自然免疫粘附肿瘤细胞的能力，与淋巴细胞和粒细胞呈明显正相关，二者都低于正常人；并且红细胞、淋巴
Erythrocytes produce NK cell augmentation factor (NMF), which significantly enhances NK cell killing of tumor cells [1] and tumorigenesis. Development and outcome of the process can not be ignored. The present study found that the ability of RBCs to naturally adhere to tumor cells in their own plasma was positively correlated with lymphocytes and granulocytes, both of which were lower than that of normal individuals; and that erythrocytes, lymphoid