Association between MTHFR C677T polymorphism and risk of acute lymphoblastic leukemia: a meta-analysis based on 51 case-control studies

Medical Science Monitor : International Medical Journal of Experimental and Clinical Research
Su-yi LiMo Yang

Abstract

Studies and systematic reviews have reached inconsistent conclusions on the role of 5, 10-methylenetetrahydrofolate reductase (MTHFR) polymorphism C677T in acute lymphoblastic leukemia (ALL) risk. The present meta-analysis comprising of 51 case-control studies, including 7892 cases and 14 280 controls was performed to reevaluate the association between MTHFR C677T polymorphism and ALL risk. Statistical differences were found in the dominant model (TT+CT vs. CC, odd ratio (OR)=0.89, 95% CI, 0.79-1.00, P=0.04) and the CT vs. CC (OR=0.89, 95% CI, 0.80-1.00, P=0.05), but not in the allele contrast model (T vs. C, OR=0.92, 95% CI, 0.84-1.01, P=0.08), additive model (TT vs. CC, OR=0.87, 95% CI, 0.73-1.05, P=0.15), or recessive model (TT vs. CT+CC, OR=0.94, 95% CI, 0.81-1.10, P=0.44) in overall populations. In the subgroup analyses stratified by age (children and adults) and ethnicity (Asian and Caucasian), no significant associations between MTHFR C677T polymorphism and ALL risk were observed. The current study found no sufficient evidence of a protective role of MTHFR C677T polymorphism in ALL susceptibility.

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Citations

Nov 4, 2015·European Journal of Pharmacology·Ewelina KałużnaDanuta Januszkiewicz-Lewandowska
Oct 7, 2015·Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine·Ping LiuC D'Arcy J Holman

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