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Published on: September 20, 2024
The Contribution of MMP-8 Promoter Polymorphisms in Lung Cancer
Te-Chun Shen1,2,3, Te-Chun Hsia2,3, Che-Yi Chao4
1Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan, R.O.C.
Background/Aim:
Accumulated evidence has supported the hypothesis that the functional polymorphisms of matrix metalloproteinases (MMP) were associated with the risk of various types of cancer. However, few reports have studied the contribution of MMP-8 genotypes to either diagnostic or prognostic potential in lung cancer. In this study, we focused on the contribution of a polymorphism in the promoter region of MMP-8 (C-799T) and two non-synonymous polymorphisms (Val436Ala and Lys460Thr) to lung cancer risk.
Patients And Methods:
Genomic DNA was isolated from peripheral blood of 358 patients with lung cancer and 716 non-cancer healthy individuals. MMP-8 C-799T (rs11225395), Val436Ala (rs34009635) and Lys460Thr (rs35866072) polymorphic genotypes of each subject were determined using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP).
Results:
The results showed that the three polymorphisms were not significantly associated with increased risk of lung cancer in the overall investigated population. Furthermore, when the analyses were stratified according to age, sex, status of smoking and drinking, pack-years of smoking and family history of lung cancer, there was also no significant association between these genotypes and increased lung cancer risk.
Conclusion:
The polymorphisms MMP-8 C-799T, Val436Ala and Lys460Thr may not play a major role in mediating personal susceptibility to lung cancer in Taiwan.
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