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  • Title: [Expression and its clinicopathological features of tumor rejective antigen 1 in human tissues of hepatocellular carcinoma and liver cirrhosis].
    Author: Zhang H, Huang DF, Wei Q, Hua TY, Li F, Huang JF.
    Journal: Zhonghua Gan Zang Bing Za Zhi; 2010 Sep; 18(9):661-5. PubMed ID: 20943076.
    Abstract:
    OBJECTIVE: To investigate the expression of tumor rejective antigen 1 in hepatocellular carcinoma (HCC) and liver cirrhosis(LC) tissues, and the relationship between clinicopathological feature and HCC. METHODS: The expressions of TRA1 mRNA and its protein were detected by reverse transcription polymerase chain reaction (RT-PCR) and Western blot respectively. Immunohistochemical staining was used to further examine the expression of TRA1 protein in LC, HCC and control tissues. The relationship between clinicopathological feature and HCC was analyzed. Data of RT-PCR and Western blot were analyzed by One-way ANOVA; results of immunohistochemical staining were analyzed by Fisher's exact test and correlation analysis using Spearman rank correlation. RESULTS: RT-PCR data showed that the expression of TRA1 mRNA was higher in HCC and LC tissues than that in the normal liver tissues (F values were 20.821 and 12.311 respectively, P is less than 0.05). The expression of TRA1 protein in HCC and LC tissues was signifIcantly higher than that in control by Western blot (F values were 21.231 and 20.125 respectively, P < 0.05). The immunohistochemical data showed the expression of TRA1 protein was gradually increased in HCC group than that in the LC group and control group, and the positive expression rate of TRA1 was 57.14%, 78.95% and 93.75% respectively. The expression of TRA1 protein was negatively correlated with HCC differentiation (r = -0.4655, P = 0.0073) and positively correlated with HCC TNM staging (r = 0.5157, P = 0.0025). CONCLUSION: The over-expression of TRA1 in hepatocirrhosis and HCC is correlated with the formation and development of HCC. It may be a prognostic marker for the diagnosis of HCC and be associated with the degree of differentiation and HBV infection. It can be used as a marker for prognostic prediction of HCC.
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