Folic Acid Impact on Neural Development and Cardiovascular Health
Summary
Folic acid, the synthetic form of the B-vitamin folate, plays a pivotal role in cellular methylation reactions essential for DNA synthesis, repair and epigenetic regulation. During early embryogenesis, adequate folic acid status is critical for neural tube closure and optimal neurogenesis, thereby preventing birth defects such as spina bifida and anencephaly. Beyond its periconceptional importance, folic acid contributes to cardiovascular health through the homocysteine remethylation pathway. Elevated homocysteine is associated with endothelial dysfunction, enhanced thrombosis risk and accelerated atherosclerosis. Supplementation with folic acid lowers plasma homocysteine concentrations, improves vascular endothelial function and may diminish the incidence of ischaemic stroke and other cardiovascular events. The global burden of neural tube defects and hyperhomocysteinaemia-linked cardiovascular disease underscores the need for targeted public health strategies in both prenatal nutrition and adult preventive medicine.
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Folic Acid Impact on Neural Development and Cardiovascular Health publication trend
The graph below shows the total number of articles in folic acid impact on neural development and cardiovascular health across all publications each year (not limited to Nature Index journals).
Technical terms
Folic acid: Synthetic, oxidised form of folate used in supplements and food fortification to support methylation reactions and DNA synthesis.
Neural tube defects: Congenital malformations of the brain or spinal cord resulting from failed closure of the neural tube during early embryonic development.
Homocysteine: A sulphur-containing amino acid intermediate whose elevated plasma levels are linked to endothelial damage and cardiovascular risk.
MTHFR (methylenetetrahydrofolate reductase): Key enzyme in folate metabolism; common genetic variants modulate folate requirements and homocysteine remethylation efficiency.
Plateletcrit: Measure of the total platelet mass in blood, reflecting both platelet count and volume, used to assess thrombosis risk and response to therapy.
References
- Effect of plateletcrit and methylenetetrahydrofolate reductase (MTHFR) C677T genotypes on folic acid efficacy in stroke prevention. Signal Transduction and Targeted Therapy (2024).
- Neural tube defects as a cause of death among stillbirths, infants, and children younger than 5 years in sub-Saharan Africa and southeast Asia: an analysis of the CHAMPS network. The Lancet Global Health (2023).
- Estimates of global and regional prevalence of neural tube defects for 2015: a systematic analysis. Annals of the New York Academy of Sciences (2018).
- Biomarkers of Nutrition for Development—Folate Review 1–5. Journal of Nutrition (2015).
- Role of homocysteine in the development of cardiovascular disease. Nutrition Journal (2015).
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