alexa Methylenetetrahydrofolatereductase (MTHFR) 677C>T polymorphism and open angle glaucoma.


Journal of Nutrition & Food Sciences

Author(s): Mossbock G, Weger M, Faschinger C, Steinbrugger I, Temmel W,

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Abstract PURPOSE: Increased plasma homocysteine levels have been found in patients with primary open angle glaucoma (POAG) and glaucoma secondary to pseudoexfoliation syndrome (PEXG). A common polymorphism of the methylenetetrahydrofolatereductase (MTHFR 677C>T) leads to moderately elevated plasma homocysteine levels particularly under conditions of impaired folate status. It was the aim of this study to investigate a hypothesized association between this polymorphism and the presence of either POAG or PEXG. METHODS: The present retrospective case-control study included a total of 553 participants comprising 204 patients with POAG, 138 patients with PEXG, and 211 control subjects. Genotyping for the MTHFR 677C>T polymorphism was performed by polymerase chain reaction (PCR). RESULTS: No significant difference in the genotype distribution of the MTHFR 677C>T polymorphism was found between control subjects and patients with POAG or PEXG. The prevalence of the MTHFR 677TT genotype was 6.9\% in patients with POAG, 11.6\% in patients with PEXG, and 9.5\% in control subjects. CONCLUSIONS: The present data suggest that the MTHFR 677C>T polymorphism itself is not a major genetic risk factor for POAG and PEXG in a central European population.
This article was published in Mol Vis and referenced in Journal of Nutrition & Food Sciences

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