Associations Between MTHFR Polymorphisms and the Risk of Potentially Malignant Oral Disorders

Thomas Senghore1, Yu-Feng Li2, Fung-Chang Sung3

  • 1School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan, R.O.C.

Anticancer Research
|July 5, 2018
PubMed
Abstract

Insights

The T allele of the methylenetetrahydrofolate reductase (MTHFR) C677T gene variant may lower the risk of potentially malignant oral disorders (PMODs). This protective effect was also observed with a specific MTHFR haplotype.

Area of Science:

  • Genetics
  • Oral Pathology
  • Molecular Biology

Background:

  • Potentially malignant oral disorders (PMODs) represent a significant health concern.
  • Genetic factors, including MTHFR gene polymorphisms, are increasingly recognized for their role in disease susceptibility.
  • Understanding the genetic basis of PMODs is crucial for risk assessment and prevention.

Purpose of the Study:

  • To investigate the association between methylenetetrahydrofolate reductase (MTHFR) gene polymorphisms (C677T and A1298C) and the risk of developing potentially malignant oral disorders (PMODs).

Main Methods:

  • Genotyping of MTHFR C677T and A1298C polymorphisms was performed using polymerase chain reaction (PCR) and restriction fragment length polymorphism (RFLP).
  • A case-control study design was employed, comparing 224 PMOD cases with 485 age-matched controls.
  • Statistical analyses included assessing genotype and haplotype associations with PMOD risk.

Main Results:

  • Carriage of the T allele for the MTHFR C677T polymorphism was significantly associated with a reduced risk of PMODs (OR=0.62, 95% CI=0.44-0.86).
  • Haplotype analysis revealed that the 677T/1298A haplotype also conferred a decreased risk of PMODs (OR=0.56, 95% CI=0.40-0.80).
  • No significant interactions were found between MTHFR polymorphisms and common lifestyle factors.

Conclusions:

  • The MTHFR C677T genotype (T-allele carriers) and the 677T/1298A haplotype may offer a protective effect against potentially malignant oral disorders.
  • Further validation with larger sample sizes is warranted to confirm these findings.
  • These genetic insights could contribute to future strategies for PMOD risk stratification.

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