PMID: 16630504Apr 25, 2006Paper

Correlation between matrix metalloproteinases-2 and tissue inhibitor of metalloproteinase-2 expression, metastatic potential and tumor angiogenesis in synovial sarcoma and its prognostic significance

Zhonghua bing li xue za zhi Chinese journal of pathology
Bao-cun SunYan-xue Liu

Abstract

To study the expression of matrix metalloproteinases (MMP)-2 and tissue inhibitor of metalloproteinase (TIMP)-2 in tumor cells of synovial sarcoma and its clinical significance. Expression of MMP-2 and TIMP-2 in tumor cells of 72 cases of synovial sarcoma was studied by immunohistochemistry. The profile was correlated with clinicopathologic parameters, microvessel density (MVD) (analyzed by CD31 immunostaining) and survival rate. (1) There was a statistically significant negative correlation between expression of MMP-2 and TIMP-2 (r = -0.290 and P = 0.013). (2) The proportion of high MMP-2 expression to low TIMP-2 expression in patients with tumor metastasis was significantly higher than that in patients without metastasis (P = 0.010 and 0.002 respectively). (3) MVD of patients with high MMP-2 expression was higher than that in the low MMP-2 expression group (P = 0.005). MVD of patients with high TIMP-2 expression was lower than that in the low TIMP-2 expression group (P = 0.048). (4) Low TIMP-2 expression significantly correlated with poor prognosis of patients with synovial sarcoma, by univariate and multivariate survival analysis (P = 0.002 and 0.016 respectively). Expression of MMP-2 and TIMP-2 correlates with metastatic po...Continue Reading

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