Cited by 49RNA Research and SplicingEpigenetics and DNA MethylationCancer-related molecular mechanisms research

Integrative analysis of tissue-specific methylation and alternative splicing identifies conserved transcription factor binding motifs

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Wan, J., Oliver, V. F., Zhu, H., Zack, D. J., Qian, J., Merbs, S. L.·2013·Nucleic Acids Research

Abstract

The exact role of intragenic DNA methylation in regulating tissue-specific gene regulation is unclear. Recently, the DNA-binding protein CTCF has been shown to participate in the regulation of alternative splicing in a DNA methylation-dependent manner. To globally evaluate the relationship between DNA methylation and tissue-specific alternative splicing, we performed genome-wide DNA methylation profiling of mouse retina and brain. In protein-coding genes, tissue-specific differentially methylated regions (T-DMRs) were preferentially located in exons and introns. Gene ontology and evolutionary conservation analysis suggest that these T-DMRs are likely to be biologically relevant. More than 14% of alternatively spliced genes were associated with a T-DMR. T-DMR-associated genes were enriched for developmental genes, suggesting that a specific set of alternatively spliced genes may be regulated through DNA methylation. Novel DNA sequences motifs overrepresented in T-DMRs were identified as being associated with positive and/or negative regulation of alternative splicing in a position-dependent context. The majority of these evolutionarily conserved motifs contain a CpG dinucleotide. Some transcription factors, which recognize these motifs, are known to be involved in splicing. Our results suggest that DNA methylation-dependent alternative splicing is widespread and lay the foundation for further mechanistic studies of the role of DNA methylation in tissue-specific splicing regulation.

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  • Additional mCpG-binding proteins take part in splicing control.

    “indicating that other mCpG-binding proteins are involved in regulating the splicing process.”
  • The honeybee observation is consistent with a global correlation analysis of DNA methylation and differential splicing between brain and retina.

    “This observation is consistent with a global correlation analysis of DNA methylation and differential splicing events between the brain and the retina115.”
  • Other transcription factors might also participate in splicing regulation.

    “suggesting that other TFs might also participate in splicing regulation.”
  • Methylation levels in some regions were positively associated with the inclusion level of spliced exons.

    “Interestingly, the methylation levels in some of the regions were positively associated with the inclusion level of the spliced exons”

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Authors
Wan, J., Oliver, V. F., Zhu, H., Zack, D. J., Qian, J., & Merbs, S. L.
Affiliations
Institut de la Vision (FR)
Corresponding author
Merbs, S. L.
Venue
Nucleic Acids Research
Published
2013-07-24
Volume
41
Issue
18
Pages
8503-8514
ISSN
  • 0305-1048 (ISSN-L)
  • 1362-4962
OpenAlex
W2139756825
Cited by
49
References
49
Citations by year
2025: 1 · 2024: 1 · 2023: 2 · 2022: 2 · 2021: 4 · 2020: 3 · 2019: 2 · 2018: 5 · 2017: 4 · 2016: 6 · 2015: 7 · 2014: 10 · 2013: 2
FWCI
3.74
Type
journal article
Language
en
Open access
Locations
  • Nucleic Acids Research (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, cc-by)
  • ResearchSpace (University of Auckland) (submittedVersion, cc-by)
Funders
  • Research to Prevent Blindness
  • National Eye Institute (R21EY018703, R01EY009769, P30EY001765, R21EY021897)
  • National Institute of General Medical Sciences (R01GM076102)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer-related molecular mechanisms research
Keywords
DNA methylation, alternative splicing, CTCF, transcription factor binding motifs, tissue-specific gene regulation, retina, brain, CpG, splicing regulation, developmental genes, evolutionary conservation
MeSH terms
Animals, Base Sequence, Binding Sites, Brain, DNA, Exons, Introns, Mice, Inbred C57BL, Organ Specificity, Proteins, Regulatory Sequences, Nucleic Acid, Retina, Transcription Factors, Conserved Sequence, Alternative Splicing, Evolution, Molecular, DNA Methylation, Mice, Nucleotide Motifs

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