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  • Title: Association of the single nucleotide polymorphisms in the extracellular matrix metalloprotease-9 gene with PACG in southern China.
    Author: Cong Y, Guo X, Liu X, Cao D, Jia X, Xiao X, Li S, Fang S, Zhang Q.
    Journal: Mol Vis; 2009 Jul 24; 15():1412-7. PubMed ID: 19633731.
    Abstract:
    PURPOSE: To study the association of the single nucleotide polymorphisms (SNPs) rs17576 and rs2250889 in the extracellular matrix metalloprotease-9 (MMP-9) gene with primary angle closure glaucoma (PACG) in southern Chinese patients. METHODS: DNA samples were obtained from 211 adult patients with PACG and 205 control subjects to study the relationships between SNPs in MMP-9 and PACG. Polymorphism analyses of rs17576 and rs2250889 in MMP-9 were performed using the polymerase chain reaction,restriction fragment length polymorphism (RFLP), and direct DNA sequencing techniques. The association between genetic polymorphisms and the risk of PACG were estimated by chi2 test and logistic regression. RESULTS: Genotyping of the MMP-9 site (rs2250889) was significantly different between the two groups (P=0.004), and the odds ratio was OR=1.76 (95%CI: 1.264-2.449). The frequencies of the G/G genotype in the PACG and control groups were 9% and 2.9%, respectively. However, there were no significant differences between these two groups in the frequencies of the genotypes and alleles for rs17576 in MMP-9. CONCLUSION: The SNP rs2250889 located in MMP-9 might be associated with PACG among southern Chinese people, and people with the G/G genotype are likely more susceptible to PACG. In contrast, the SNP rs17576 in MMP-9 might not be related to PACG in the same population.
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