B-vitamins, methylenetetrahydrofolate reductase (MTHFR) and hypertension

Mary Ward1, Carol P Wilson, J J Strain

  • 1Nothern Ireland Centre for Food and Health, University of Ulster, Coleraine BT52 1SA, UK. mw.ward@ulster.ac.uk

Insights

A common gene variant (MTHFR) is linked to hypertension. Riboflavin (vitamin B2) may help manage blood pressure in individuals with this genetic predisposition, offering potential new hypertension treatments.

Area of Science:

  • Genetics
  • Cardiovascular Medicine
  • Nutritional Science

Background:

  • Hypertension is a major risk factor for cardiovascular disease (CVD) and stroke.
  • A common MTHFR gene polymorphism is associated with elevated homocysteine and CVD risk.
  • This MTHFR variant may independently contribute to hypertension development.

Purpose of the Study:

  • To investigate the association between the MTHFR gene polymorphism and hypertension.
  • To explore the potential role of riboflavin in modulating blood pressure in individuals with the MTHFR 677 TT genotype.

Main Methods:

  • Analysis of MTHFR gene polymorphisms.
  • Assessment of blood pressure levels.
  • Evaluation of riboflavin's effect on blood pressure in specific genotypes.

Main Results:

  • The MTHFR gene polymorphism is independently associated with hypertension.
  • Riboflavin may modulate blood pressure, particularly in individuals with the homozygous MTHFR 677 TT genotype.

Conclusions:

  • The MTHFR genotype may represent a correctable genetic predisposition to hypertension.
  • Low-dose riboflavin could be a potential therapeutic strategy for managing hypertension in susceptible individuals.
  • These findings have significant implications for hypertension management, given the polymorphism's global prevalence.

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