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  • Title: [The expression of matrix metalloproteinase-2 and -9 in cervical cancer and a study of their relationship].
    Author: Ouyang YW, Peng ZL, Yao XY, Liu SL, He YD.
    Journal: Sichuan Da Xue Xue Bao Yi Xue Ban; 2004 May; 35(3):330-3. PubMed ID: 15181827.
    Abstract:
    OBJECTIVE: To detect the expressions of matrix metalloproteinase-2 (MMP-2) and matrix metalloproteinase-9 (MMP-9) in cervical cancer and their correlation with clinicopathologic features. METHODS: With the use of specific monoclonal antibody to human MMP-2 and MMP-9, the formalin-fixed and paraffin-embedded specimens of 62 invasive carcinomas of cervix uteri, 5 carcinomas in situ, 10 normal cervical epithelia and 10 lymph node metastases were detected by immunohistochemical method. RESULTS: MMP-2 and MMP-9 protein expressions in tumor and peritumoral stromal cells were enhanced in invasive carcinoma, compared to those in carcinoma in situ and controls (P < 0.05). There was a low correlation between MMP-2 and MMP-9 (r = 0.34, P < 0.01); the expression level of MMP-9 was higher than MMP-2. The protein expressions of MMP-2 and MMP-9 did not correlate with tumor stage, histological grade or pathological subtype. MMP-9 was correlated with lymph node metastasis and lymphovascular space invasion. CONCLUSION: The over-expression of matrix metalloproteinase-2 and -9 was correlated with invasive behaviour of cervical cancer, MMP-9 was significantly correlated with the lymph node metastasis, it might become a useful prognostic indicator for early cervical cancer.
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