Sayer Ji
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Abstract Title:

The epigenetic role of vitamin C in health and disease.

Abstract Source:

Cell Mol Life Sci. 2016 Apr ;73(8):1645-58. Epub 2016 Aug 4. PMID: 26846695

Abstract Author(s):

Vladimir Camarena, Gaofeng Wang

Article Affiliation:

Vladimir Camarena

Abstract:

Recent advances have uncovered a previously unknown function of vitamin C in epigenetic regulation. Vitamin C exists predominantly as an ascorbate anion under physiological pH conditions. Ascorbate was discovered as a cofactor for methylcytosine dioxygenases that are responsible for DNA demethylation, and also as a likely cofactor for some JmjC domain-containing histone demethylases that catalyze histone demethylation. Variation in ascorbate bioavailability thus can influence the demethylation of both DNA and histone, further leading to different phenotypic presentations. Ascorbate deficiency can be presented systematically, spatially and temporally in different tissues at the different stages of development and aging. Here, we review how ascorbate deficiency could potentially be involved in embryonic and postnatal development, and plays a role in various diseases such as neurodegeneration and cancer through epigenetic dysregulation.

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