Cited by 349Epigenetics and DNA MethylationGenomics and Chromatin DynamicsKruppel-like factors research

DNA methylation presents distinct binding sites for human transcription factors

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Hu, Shaohui, Wan, Jun, Su, Yijing, Song, Qifeng, Zeng, Yaxue, Nguyen, Ha Nam, Shin, Jaehoon, Cox, Eric +10 more·2013·eLife

Abstract

DNA methylation, especially CpG methylation at promoter regions, has been generally considered as a potent epigenetic modification that prohibits transcription factor (TF) recruitment, resulting in transcription suppression. Here, we used a protein microarray-based approach to systematically survey the entire human TF family and found numerous purified TFs with methylated CpG (mCpG)-dependent DNA-binding activities. Interestingly, some TFs exhibit specific binding activity to methylated and unmethylated DNA motifs of distinct sequences. To elucidate the underlying mechanism, we focused on Kruppel-like factor 4 (KLF4), and decoupled its mCpG- and CpG-binding activities via site-directed mutagenesis. Furthermore, KLF4 binds specific methylated or unmethylated motifs in human embryonic stem cells in vivo. Our study suggests that mCpG-dependent TF binding activity is a widespread phenomenon and provides a new framework to understand the role and mechanism of TFs in epigenetic regulation of gene transcription.

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  • A protein microarray study interrogating more than 1,500 transcription factors found over 40 that can bind methylated motifs.

    “A protein microarray study that interrogated more than 1,500 TFs found over 40 TFs that are able to bind methylated motifs (27).”
  • The deduced Kd values of ZMYM3, AP2α and KLF4 for their methylated motifs are 460 nM, 399 nM and 479 nM, respectively.

    “The deduced Kd values of ZMYM3, AP2α and KLF4 were determined as 460 nM, 399 nM and 479 nM, respectively.”
  • Of 154 methylated DNA motifs examined on a human protein microarray, 150 showed strong binding signals to at least one protein.

    “Of the 154 methylated motifs examined, 150 showed strong binding signals to at least one protein on the microarray.”
  • Many other protein domains, including homeobox, HLH and E2F domains, might interact with mCpG sites.

    “A global survey of methylated-DNA-binding proteins suggests that many other protein domains might also be able to interact with mCpG sites, including homeobox, HLH and E2F domains53.”
  • In total, 41 transcription factors and 6 cofactors bind to at least one methylated sequence.

    “In total, 41 TFs and 6 cofactors were found to bind to at least one methylated sequence.”

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Authors
Hu, S., Wan, J., Su, Y., Song, Q., Zeng, Y., Nguyen, H. N., Shin, J., Cox, E., Rho, H. S., Woodard, C., Xia, S., Liu, S., Lyu, H., Ming, G.-L., Wade, H., Song, H., Qian, J., & Zhu, H.
Affiliations
  • Johns Hopkins University (US)
  • Chinese Academy of Sciences (CN)
Corresponding author
  • Wade, Herschel
  • Song, Hongjun
  • Qian, Jiang
  • Zhu, Heng
Venue
eLife
Published
2013-09-03
Volume
2
Pages
e00726-e00726
ISSN
2050-084X (ISSN-L)
OpenAlex
W2128059998
Cited by
349
References
50
Citations by year
2026: 13 · 2025: 21 · 2024: 13 · 2023: 19 · 2022: 31 · 2021: 25 · 2020: 25 · 2019: 33 · 2018: 37 · 2017: 39 · 2016: 34 · 2015: 29 · 2014: 26 · 2013: 4
FWCI
13.90
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Institutes of Health (R01 GM076102, U54 RR020839, U24 CA160036, U54 HG006434, R21 EY021897, NS047344, MH087874, ES021957, NS048271, HD069184)
  • The Simons Foundation Autism Research Initiative
  • Dr Miriam and Sheldon G Adelson Medical Research Foundation
  • Maryland Stem Cell Research Fund (2009-MSCRFE-0063-00, 2012-MSCRFII-0063-00)
  • Simons Foundation
  • Dr. Miriam and Sheldon G. Adelson Medical Research Foundation
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Kruppel-like factors research
Keywords
DNA methylation, CpG methylation, transcription factors, DNA-binding activity, KLF4, epigenetic regulation of transcription, human embryonic stem cells, protein microarrays, transcriptional repression
MeSH terms
Kruppel-Like Factor 4, Binding Sites, Humans, Promoter Regions, Genetic, Transcription Factors, CpG Islands, DNA Methylation

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