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Vitamin C and epigenetics: A short physiological overview.

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Ascorbic acid (vitamin C) influences epigenetic modifications by acting as a cofactor for DNA and histone demethylation. This highlights vitamin C's role in mediating environmental-genome interactions and regulating gene expression.

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Area of Science:

  • Biochemistry
  • Epigenetics
  • Nutritional Science

Background:

  • Ascorbic acid (vitamin C) is crucial for tissue homeostasis.
  • Epigenetic modifications are increasingly recognized for their role in disease.
  • Understanding vitamin C's epigenetic functions is an area of active research.

Purpose of the Study:

  • To review the known and emerging functions of ascorbic acid in epigenetic control.
  • To elucidate the mechanisms by which vitamin C influences DNA and histone modifications.
  • To explore the potential implications of vitamin C in epigenetic regulation.

Main Methods:

  • Literature review of biochemical and molecular studies.
  • Analysis of ascorbic acid's role as a cofactor in enzymatic reactions.
  • Discussion of the interplay between environmental factors, vitamin C, and the genome.

Main Results:

  • Ascorbic acid acts as a cofactor for ten-eleven translocation (TET) dioxygenases involved in DNA demethylation.
  • Vitamin C is essential for histone demethylation, serving as a cofactor for Jumonji C-domain-containing demethylases.
  • Vitamin C appears to bridge environmental signals and genomic responses.

Conclusions:

  • Ascorbic acid plays a significant role in epigenetic regulation through its cofactor functions.
  • Further research is needed to fully determine the precise mechanisms of vitamin C in epigenetic control.
  • Vitamin C holds potential implications for understanding and managing diseases influenced by epigenetic alterations.