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Ascorbic acid in epigenetic reprogramming

Author(s):

Xinhui Liu, Aamir Khan, Huan Li, Shensen Wang, Xuechai Chen and Hua Huang*  

Abstract:


Emerging evidence suggests that ascorbic acid (vitamin C) enhances the reprogramming process by multiple mechanisms. This is primarily due to its cofactor role in Fe(II) and 2-oxoglutarate-dependent dioxygenases, including the DNA demethylases Ten Eleven Translocase (TET) and histone demethylases. Epigenetic variations have been shown to play a critical role in somatic cell reprogramming. DNA methylation and histone methylation are extensively recognized as barriers to somatic cell reprogramming. N6-methyladenosine (m6A), known as RNA methylation, is an epigenetic modification of mRNAs and has also been shown to play a role in regulating cellular reprogramming. Multiple cofactors are reported to promote the activity of demethylases, including vitamin C. This review focuses on examining the evidence and mechanism of vitamin C in DNA and histone demethylation and highlights its potential involvement in regulating m6A demethylation. It also shows the significant contribution of vitamin C in epigenetic regulation and the affiliation of demethylases with vitamin C-facilitated epigenetic reprogramming.

Keywords:

Vitamin C, reprogramming, DNA demethylation, histone demethylation, RNA demethylation, iron and 2-oxoglutarate dependent dioxygenases, somatic cell regeneration

Affiliation:

College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124, College of Life Science and Bioengineering, Beijing University of Technology, Beijing 100124



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