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[Detection of hepatitis C virus-C, E, NS3 and NS4 regions' antigens in hepatocellular carcinoma and liver cirrhosis].

Using 4 McAbs to HCV-C, E, NS3 and NS4 regions' antigens and PcAb to HBsAg, 59 cases of hepatocellular carcinoma(HCC) and 35 cases of liver cirrhosis(LC) were tested by immunohistochemistry technique. Positive reactions for hepatitis C virus were mainly present in the cytoplasm of hepatocytes and tumor cells with fine granules. The positive rates of HCV were 17.2% in HCC(29 cases) of Beijing, 26.7% in HCC(30 cases) of Shenyang and 14.3% in LC(35 cases) of Shenyang. C region's McAb had the highest positive rate of detection, which suggested that C region's protein had a high level expression. The positive rates of hepatitis B virus surface antigen were 63.0% in HCC(29 cases) of Beijing, 73.3% in HCC(30 cases) of Shenyang and 54.3% in LC(35 cases) of Shenyang, all of which were higher than their positive rate for HCV detected. In HCC and LC, HBV and HCV inclined to suppress the opposite side.