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  • Title: The association between methylenetetrahydrofolate reductase C677 > T polymorphisms and risk of pediatric acute lymphoblastic leukemia in Asia.
    Author: Lin S, Liu Q, Zeng X.
    Journal: J Cancer Res Ther; 2014 Nov; 10 Suppl():C210-4. PubMed ID: 25450284.
    Abstract:
    OBJECTIVE: The association between methylenetetrahydrofolate reductase (MTHFR) C677 > T polymorphisms and pediatric acute lymphoblastic leukemia (ALL) risk in Asia is controversial. The aim of this meta-analysis was to further assess the relationship between MTHFR C677 > T polymorphisms and pediatric ALL for Chinese children. MATERIALS AND METHODS: Studies about the MTHFR C677 > T polymorphisms and pediatric ALL risk were searched in the Medline, PubMed, EMBASE, Wanfang and CNIK databases. The genotype of the case and control group were extracted and pooled by meta-analysis. The association between ALL risk and C677 > T polymorphisms was demonstrated by odds ratio (OR) and its 95% confidence interval (CI). RESULTS: Twelve articles were included in this study with 1803 ALL cases and 4146 controls. In recessive genetic model (TT vs. CC + CT), the OR was 0.37 (95%CI: 0.31-0.43); in dominant genetic model (TT + CT vs. CC) the OR was 0.94 (95%CI: 0.82-1.06); and in the homozygous model the OR was 0.84 (95%CI: 0.69-1.03). CONCLUSION: The results indicated that Asian children with TT genotype of MTHFR gene may have less risk of developing ALL.
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