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Authors Wu Z, Xu X, Zhang X
Received 13 February 2017
Accepted for publication 11 April 2017
Published 30 June 2017 Volume 2017:13 Pages 821—830
DOI https://doi.org/10.2147/TCRM.S134581
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Hoa Le
Peer reviewer comments 2
Editor who approved publication: Professor Deyun Wang
Background: The pathology of
osteoarthritis (OA) is partly attributed to genetic factors; however, the role
of ADAM12 polymorphism is still
controversial. It is necessary to perform a meta-analysis to investigate this
possible correlation.
Methods: Case–control studies on the association between
OA susceptibility and ADAM12 polymorphism
were comprehensively collected by searching PubMed, Embase, and Web of Science.
Odds ratios (ORs) and 95% confidence intervals (CIs) were pooled to evaluate OA
risk that was possibly conferred by ADAM12 variant.
The analyses were performed not only among general population but also in male
and female groups.
Results: A total of 8 studies with 10 populations were
finally included in this meta-analysis. In the general population, 4
comparisons were carried out (C allele vs G allele, CC vs GG, GC + CC vs GG,
and CC vs GC + GG) and found that ADAM12 rs3740199 polymorphism
was not associated with increased OA vulnerability. On the other hand, the
analyses stratified by gender made 5 comparisons (C allele vs G allele, CC vs
GG, GC vs GG, GC + CC vs GG, and CC vs GC + GG). It was shown that rs3740199 polymorphism (GC +
CC vs GG) was a risk factor for OA among male patients (OR =1.45, 95% CI
=1.04–2.01). Sensitivity analysis indicated that it was an unstable outcome. No
correlation was identified in women. Neither heterogeneity nor publication bias
was detected in the analyses mentioned above.
Conclusion: ADAM12 rs3740199 polymorphism
is likely to be associated with OA susceptibility among male patients, other
than the general population. More studies are needed to confirm this
observation. The mechanism by which ADAM12 variant
plays a role in OA pathogenesis is also warranted and important for
interpreting this possible correlation.
Keywords: osteoarthritis,
meta-analysis, single nucleotide polymorphism, ADAM