MMP7 and cancer: A meta-analysis of 24 studies encompassing 12 populations and including 10 different cancer sites revealed that MMP-7 SNP may be associated with the risk of various cancers, including gastric, colon, liver, bladder, cervix, ovary, breast, brain and lung, but only in Asian population (OR = 2.18, 95%CI 1.68–2.84) and not European (OR = 1.07, 95% CI 0.6–1.89) [79].