Nuclear m6A Reader YTHDC1 Regulates mRNA Splicing
Open accessAbstract
The regulatory role of N(6)-methyladenosine (m(6)A) and its nuclear binding protein YTHDC1 in pre-mRNA splicing remains an enigma. Here we show that YTHDC1 promotes exon inclusion in targeted mRNAs through recruiting pre-mRNA splicing factor SRSF3 (SRp20) while blocking SRSF10 (SRp38) mRNA binding. Transcriptome assay with PAR-CLIP-seq analysis revealed that YTHDC1-regulated exon-inclusion patterns were similar to those of SRSF3 but opposite of SRSF10. In vitro pull-down assay illustrated a competitive binding of SRSF3 and SRSF10 to YTHDC1. Moreover, YTHDC1 facilitates SRSF3 but represses SRSF10 in their nuclear speckle localization, RNA-binding affinity, and associated splicing events, dysregulation of which, as the result of YTHDC1 depletion, can be restored by reconstitution with wild-type, but not m(6)A-binding-defective, YTHDC1. Our findings provide the direct evidence that m(6)A reader YTHDC1 regulates mRNA splicing through recruiting and modulating pre-mRNA splicing factors for their access to the binding regions of targeted mRNAs.
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SRSF3 and YB-1 promote exon inclusion during alternative splicing.
“Interestingly, SRSF3 (43) and YB-1 (44) have also been shown to specifically promote exon inclusion during alternative splicing.”
From Discovery of a Novel CIP2A Variant (NOCIVA) with Clinical Relevance in Predicting TKI Resistance in Myeloid Leukemias (2021) · cites this paper as [43]
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- Authors
- Xiao, W., Adhikari, S., Dahal, U., Chen, Y.-S., Hao, Y.-J., Sun, B.-F., Sun, H.-Y., Li, A., Ping, X.-L., Lai, W.-Y., Wang, X., Ma, H.-L., Huang, C.-M., Yang, Y., Huang, N., Jiang, G.-B., Wang, H.-L., Zhou, Q., Wang, X.-J., Zhao, Y.-L., & Yang, Y.-G.
- Affiliations
- Chinese Academy of Sciences (CN)
- National Institute of Biological Sciences, Beijing (CN)
- Corresponding author
- Yang, Yun-Gui
- Venue
- Molecular Cell
- Publisher
- Elsevier BV
- Published
- 2016-02
- Volume
- 61
- Issue
- 4
- Pages
- 507-519
- ISSN
- 1097-2765 (ISSN-L)
- OpenAlex
- W2269054226
- Cited by
- 2,054
- References
- 48
- Citations by year
- 2026: 139 · 2025: 225 · 2024: 281 · 2023: 291 · 2022: 317 · 2021: 255 · 2020: 194 · 2019: 119 · 2018: 127 · 2017: 81 · 2016: 24
- FWCI
- 60.83
- Type
- journal article
- Language
- en
- Update notices
- erratum (2016-03-17)
- Open access
- bronze
- doi.org
- Licence
- Locations
- Molecular Cell (publishedVersion)
- PubMed (publishedVersion)
- Research Center for Eco-Environmental Sciences OpenIR (Chinese Academy of Sciences) (submittedVersion, cc-by-nc-sa)
- Funders
- National Natural Science Foundation of China
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA modifications and cancer
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA regulation and disease
- Keywords
- YTHDC1, N6-methyladenosine, m6A reader, pre-mRNA splicing, exon inclusion, SRSF3, SRSF10, nuclear speckles, RNA binding affinity, PAR-CLIP
- MeSH terms
- Serine-Arginine Splicing Factors, RNA Splicing Factors, Adenosine, Binding Sites, Exons, HeLa Cells, Humans, Nerve Tissue Proteins, Repressor Proteins, RNA Splicing, RNA, Messenger, RNA-Binding Proteins, Cell Cycle Proteins
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