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肿瘤细胞常出现HLA－DR表达，阳性率与多种肿瘤的分化程度和预后密切相关「“．关于HLA－DR在肝细胞癌细胞的表达情况尚未见报道，我们用流式细胞仪检测了HI－A－DR在肝癌细胞表面的表达情况．1材料和方法1．l细胞系人肝癌细胞系SMMC－7721，BEI。－7402，HHCC和正常人肝细胞系
The HLA-DR expression often occurs in tumor cells, and the positive rate is closely related to the degree of differentiation and prognosis of various tumors. There has been no report on the expression of HLA-DR in hepatocellular carcinoma cells. We used flow cytometry to detect the expression of HI-A-DR on hepatocellular carcinoma cells. 1 Materials and Methods 1. l Cell line Human hepatoma cell line SMMC-7721, BEI. -7402, HHCC and normal human liver cell lines