Cited by 1,747RNA modifications and cancerEpigenetics and DNA MethylationCancer-related molecular mechanisms research

m6A RNA methylation promotes XIST-mediated transcriptional repression

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Patil, Deepak P., Chen, Chun-Kan, Pickering, Brian F., Chow, Amy, Jackson, Constanza, Guttman, Mitchell, Jaffrey, Samie R.·2016·Nature

Abstract

The long non-coding RNA X-inactive specific transcript (XIST) mediates the transcriptional silencing of genes on the X chromosome. Here we show that, in human cells, XIST is highly methylated with at least 78 N 6-methyladenosine (m 6 A) residues-a reversible base modification of unknown function in long non-coding RNAs. We show that m 6 A formation in XIST, as well as in cellular mRNAs, is mediated by RNA-binding motif protein 15 (RBM15) and its paralogue RBM15B, which bind the m 6 A-methylation complex and recruit it to specific sites in RNA. This results in the methylation of adenosine nucleotides in adjacent m 6 A consensus motifs. Furthermore, we show that knockdown of RBM15 and RBM15B, or knockdown of methyltransferase like 3 (METTL3), an m 6 A methyltransferase, impairs XIST-mediated gene silencing. A systematic comparison of m 6 A-binding proteins shows that YTH domain containing 1 (YTHDC1) preferentially recognizes m 6 A residues on XIST and is required for XIST function. Additionally, artificial tethering of YTHDC1 to XIST rescues XIST-mediated silencing upon loss of m 6 A. These data reveal a pathway of m 6 A formation and recognition required for XIST-mediated transcriptional repression.

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Authors
Patil, D. P., Chen, C.-K., Pickering, B. F., Chow, A., Jackson, C., Guttman, M., & Jaffrey, S. R.
Affiliations
  • Cornell University (US)
  • California Institute of Technology (US)
Corresponding author
Jaffrey, Samie R.
Venue
Nature
Published
2016-09
Volume
537
Issue
7620
Pages
369-373
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2509465044
Cited by
1,747
References
53
Citations by year
2026: 125 · 2025: 162 · 2024: 228 · 2023: 241 · 2022: 252 · 2021: 269 · 2020: 175 · 2019: 115 · 2018: 93 · 2017: 75 · 2016: 11
FWCI
50.92
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • National Institutes of Health (DP5OD012190)
  • National Cancer Institute (T32CA062948, R01CA186702)
  • National Institute of General Medical Sciences (T32GM007616)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA modifications and cancer
  • 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
XIST, N6-methyladenosine, RNA methylation, long non-coding RNA, X chromosome inactivation, transcriptional repression, RBM15, RBM15B, METTL3, YTHDC1, m6A reader proteins, WTAP, X inactivation center
MeSH terms
RNA Splicing Factors, Adenosine, Animals, Cell Line, Female, Humans, Male, Methylation, Methyltransferases, Nerve Tissue Proteins, Nuclear Proteins, Transcription, Genetic, RNA-Binding Proteins, Cell Cycle Proteins, Gene Silencing, Mice, Embryonic Stem Cells, HEK293 Cells, RNA, Long Noncoding

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