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Related Experiment Video

Updated: Mar 19, 2026

Correlating Gene-specific DNA Methylation Changes with Expression and Transcriptional Activity of Astrocytic KCNJ10 Kir4.1
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The interplay between DNA methylation, folate and neurocognitive development.

Rachelle E Irwin1, Kristina Pentieva1, Tony Cassidy2

  • 1EpiFASSTT study, Biomedical Sciences, Ulster University, Coleraine, UK.

Epigenomics
|June 21, 2016
PubMed
Summary

Environmental factors during fetal development influence adult mental health through DNA methylation. Folate plays a key role in neurodevelopmental events, impacting sociocognitive maturation and mental health outcomes.

Keywords:
5-hydroxymethylationBarker hypothesisDNMT1DNMT3AMeCP2TEThomocysteine

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Area of Science:

  • Neuroscience
  • Epigenetics
  • Developmental Biology

Background:

  • DNA methylation is a key epigenetic mechanism linking environmental exposures during fetal development to adult mental health.
  • Folate's role extends beyond early pregnancy, influencing major neurodevelopmental events and subsequent sociocognitive maturation.
  • Interdisciplinary collaboration is increasing between molecular biologists, nutritionists, and psychiatrists to study these connections.

Purpose of the Study:

  • To review major fetal neurodevelopmental events where dynamic DNA methylation changes occur.
  • To identify gene classes targeted by methylation crucial for neurological and behavioral development.
  • To highlight cognitive disorders associated with altered DNA methylation patterns.

Main Methods:

  • Literature review of fetal neurodevelopmental processes.
  • Analysis of DNA methylation dynamics in relevant fetal tissues.
  • Identification of genes regulated by methylation involved in neurodevelopment.

Main Results:

  • Dynamic DNA methylation changes are prominent in specific fetal brain structures during key neurodevelopmental periods.
  • Methylation targets genes essential for neural formation, function, and behavior.
  • Aberrant methylation patterns are implicated in various cognitive disorders.

Conclusions:

  • Epigenetic modifications, particularly DNA methylation influenced by factors like folate, are critical for neurodevelopment and long-term mental health.
  • Understanding these methylation dynamics offers insights into the etiology of cognitive disorders.
  • Further research is warranted to explore therapeutic interventions targeting epigenetic pathways.