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Objective

The aim of this meta-analysis was to clarify the role of Matrix metalloproteinase 1 (MMP-1) -1607 1G/2G (rs1799750) polymorphism on the osteoarthritis (OA) risk.

Methods

Articles were selected by retrieving the Web of Science, Embase and Pubmed. The strength of the association between -1607 1G/2G polymorphism and OA risk was assessed by odds ratios (ORs) with the corresponding 95% confidence interval (CI) for each study.

Results

No significant association between -1607 1G/2G polymorphism and OA risk was found in all the models overall (2G2G vs 1G1G, OR (95%CI) = 0.69 (0.36-1.32), P = 0.54; 2G2G + 2G1G vs 1G1G, OR (95%CI) = 0.88 (0.47-1.63), P = 0.69; 2G2G vs 2G1G + 1G1G, OR (95%CI) = 1.30 (0.68-2.47), P = 0.41; 2 G vs 1G, OR (95%CI) = 0.90 (0.86-1.54), P = 0.66). By subgroup analysis, significant association was found in the "< 60 years" group (2G2G vs 1G1G, OR (95%CI) = 3.46 (2.13-5.62), P = 0.00; 2G2G + 2G1G vs 1G1G, OR (95%CI) = 0.49 (0.31-0.79), P = 0.00; 2G2G vs 2G1G + 1G1G, OR (95%CI) = 2.74 (1.80-4.16, P = 0.00; 2 G vs 1G, OR (95%CI) = 0.56 (0.35-0.89), P = 0.01).

Conclusions

This meta-analysis showed that -1607 1G/2G polymorphism may increase the susceptibility to OA among the younger populations (<60 years). More studies with detailed information are needed to validate our conclusion.

Level of evidence

Level I Diagnostic Study."xsd:string
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