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  • Title: The prognostic value of p53, Ki-67 and matrix metalloproteinases MMP-2 and MMP-9 in transitional cell carcinoma of the renal pelvis and ureter.
    Author: Kamijima S, Tobe T, Suyama T, Ueda T, Igarashi T, Ichikawa T, Ito H.
    Journal: Int J Urol; 2005 Nov; 12(11):941-7. PubMed ID: 16351648.
    Abstract:
    AIM: To investigate the prognostic and predictive relevance of p53 protein, Ki-67 antigen, MMP-2 and MMP-9 in patients with transitional cell carcinoma (TCC) of the upper urinary tract. METHODS: The expression of p53 protein, Ki-67 antigen, MMP-2 and MMP-9 was examined by immunohistochemistry in 69 patients with TCC of the upper urinary tract. Correlation of p53, Ki-67, MMP-2 and MMP-9 over-expression with conventional pathological parameters and patient survival was examined. RESULTS: p53 over-expression was significantly correlated with histological grade (P < 0.05), but not with pathological stage, vascular invasion, lymphatic invasion or lymph node metastasis. Ki-67 over-expression was significantly correlated with stage, grade, lymphatic invasion and vascular invasion (P < 0.05). In survival analyses, Ki-67 over-expression was a significant prognostic factor in the univariate analysis (P < 0.05), but it did not have a significant impact on survival in the multivariate analysis. Ki-67 labeling index was a significant prognostic factor in patients with a low p53 labeling index, but not in patients with a high p53 labeling index. CONCLUSION: Ki-67 over-expression is of prognostic value in TCC of the upper urinary tract, while p53, MMP-2 and MMP-9 are of limited value.
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