Abstract
Objective To explore the relationship between the expression of human proliferating cell nuclear antigen (PCNA) and human MutS honolog2 gene (hMSH2) in breast cancer and its significance. Methods PCNA and hMSH2 expression were detected in 68 cases of breast cancer tissues by immunohistochemistry.Results Among the 68 cases of breast cancer, the expression rate of PCNA and hMSH2 was 44.1％ (30/68) and 54.4％ (37/68) respectively.The expression of PCNA and hMSH2 was positively correlated with lymph nodes metastasis(P ＜0.05).PCNA expression was positively correlated to hMSH2 expression in breast cancer (P ＜0.05).Conclusion Interaction between PCNA and hMSH2 may be related to the carcinogenesis of breast cancer.Effective detection of PCNA and hMSH2 proteins may contribute to the evaluation of malignancy and biological behavior of breast cancer. Key words: Breast cancer; Proliferating cell nuclear antigen; Human MutS honolog2 gene
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