Abstract
Background
The reported roles of matrix metalloproteinase 2 (MMP-2) on the prognosis of patients with epithelial ovarian cancers (EOCs) are inconsistent.
Objective
This meta-analysis was performed to evaluate the prognostic significance of MMP-2 for patients with EOCs by analyzing 11 studies.
Methods
We systematically searched articles in the Cochrane Library, Pubmed, Embase, China National Knowledge Infrastructure (CNKI), Wanfang Database, and Chinese Biological Medical (CBM) Database, updated to February 1st 2015, with the following search terms: ovarian neoplasm OR ovarian tumor OR ovarian carcinoma OR ovarian malignance OR ovarian cancer AND matrix metalloproteinase-2 OR MMP-2.
Results
A total of 11 studies involving 1058 patients with EOCs were in accordance with the inclusion criteria. The pooled HR was 1.09 (95% CI 0.32–1.86, p = 0.006) in patients with overexpression of stromal MMP-2 with significant heterogeneity (I 2 = 53.1%, p = 0.074) between studies. For patients with MMP-2 overexpression in tumor cells, the pooled HR was 1.42 (95% CI 1.14–1.70, p = 0.000) with no significant heterogeneity (I 2 = 43.4%, p = 0.078) between studies. Sensitivity analyses were stable.
Conclusions
MMP-2 overexpression in tumor cells rather than stroma was significantly associated with poor prognosis in patient with endothelial ovarian cancer; however, the result remains to be confirmed with additional high-quality studies.
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Acknowledgements
The study was supported by the National Natural Science Foundation of China (No. 81301556).
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All procedures performed in studies involving human participants were in accordance with the ethical standards of Shandong Provincial Hospital Affiliated to Shandong University and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
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Informed consent was obtained from all individual participants included in the study.
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Jia, H., Zhang, Q., Liu, F. et al. Prognostic value of MMP-2 for patients with ovarian epithelial carcinoma: a systematic review and meta-analysis. Arch Gynecol Obstet 295, 689–696 (2017). https://doi.org/10.1007/s00404-016-4257-9
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DOI: https://doi.org/10.1007/s00404-016-4257-9