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author:("uredine, Sara")
1.  MMP1-1607(1G>2G) polymorphism and the risk of lung cancer in Lebanon 
Annals of Thoracic Medicine  2012;7(3):130-132.
CONTEXT:
Matrix metalloproteinases (MMPs) are a family of enzymes that degrade various components of the extracellular matrix and are involved in the development and progression of cancer. Lung cancer is the most commonly diagnosed cancer in Lebanon. MMP1 is responsible for degrading stromal collagens, which enhance the ability of neoplastic cells to cross basal membrane of both the endothelium and the vascular endothelium. A recent meta-analysis has suggested that the MMP1-1607 2G allele may be associated with an increased risk for certain types of cancers.
AIM:
This study was undertaken to investigate the association between guanine insertion polymorphism in the MMP1 promoter and the susceptibility to lung cancer in the Lebanese population.
SETTINGS AND DESIGN:
This case-control study was conducted on 41 patients with lung cancer and 51 age-matched healthy controls, recruited from different regions of Lebanon.
METHODS:
Cases were histologically confirmed lung cancer patients obtained from different hospitals in Lebanon. Controls were healthy unrelated individuals with no history of cancer or genetic diseases. All subjects were genotyped for MMP1 -1607(1G>2G) polymorphism using polymerase chain reaction-restriction fragment length polymorphism method (PCR-RFLP).
RESULTS:
No statistically significant differences were found when genotype and allele distribution of MMP1 -1607(1G>2G) polymorphism were compared between patients with lung cancer and controls [P= 0.6 by chi-squared test on a 3×2 contingency table; allelic P=0.61, OR (95% CI) = 1.18 (0.60-2.31)].
CONCLUSION:
Our data shows that MMP1 promoter polymorphism is not associated with lung cancer susceptibility in the Lebanese population.
doi:10.4103/1817-1737.98844
PMCID: PMC3425043  PMID: 22924069
Lebanon; lung cancer; MMP1; polymorphism

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