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Cited by 423

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Oxidative demethylation of 3‐methylthymine and 3‐methyluracil in single‐stranded DNA and RNA by mouse and human FTO

Open access
Jia, Guifang, Yang, Cai-Guang, Yang, Shangdong, Jian, Xing, Yi, Chengqi, Zhou, Zhiqiang, He, Chuan·2008·FEBS Letters

Abstract

The human obesity susceptibility gene, FTO, encodes a protein that is homologous to the DNA repair AlkB protein. The AlkB family proteins utilize iron(II), α‐ketoglutarate (α‐KG) and dioxygen to perform oxidative repair of alkylated nucleobases in DNA and RNA. We demonstrate here the oxidative demethylation of 3‐methylthymine (3‐meT) in single‐stranded DNA (ssDNA) and 3‐methyluracil (3‐meU) in single‐stranded RNA (ssRNA) by recombinant human FTO protein in vitro. Both human and mouse FTO proteins preferentially repair 3‐meT in ssDNA over other base lesions tested. They showed negligible activities against 3‐meT in double‐stranded DNA (dsDNA). In addition, these two proteins can catalyze the demethylation of 3‐meU in ssRNA with a slightly higher efficiency over that of 3‐meT in ssDNA, suggesting that methylated RNAs are the preferred substrates for FTO.

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Metadata

Authors
Jia, G., Yang, C.-G., Yang, S., Jian, X., Yi, C., Zhou, Z., & He, C.
Venue
FEBS Letters
Publisher
Wiley
Published
2008-09-05
Volume
582
Issue
23-24
Pages
3313-3319
ISSN
  • 0014-5793 (ISSN-L)
  • 1873-3468
OpenAlex
W2093764457
Cited by
423
References
2
FWCI
6.20
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Oxidative demethylation of 3‐methylthymine and 3‐methyluracil in single‐stranded DNA and RNA by mouse and human FTO. https://app.cochat.ai/papers/10.1016/j.febslet.2008.08.019
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Jia, G., Yang, C.-G., Yang, S., Jian, X., Yi, C., Zhou, Z., & He, C. (2008). Oxidative demethylation of 3‐methylthymine and 3‐methyluracil in single‐stranded DNA and RNA by mouse and human FTO. FEBS Letters. https://doi.org/10.1016/j.febslet.2008.08.019

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