Cited by 684RNA and protein synthesis mechanismsRNA modifications and cancerRNA regulation and disease

The DOI matches its Crossref record; 58 of the 60 references it cites were found in a registry or an index.

Incorporation of pseudouridine into mRNA enhances translation by diminishing PKR activation

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Abstract

Previous studies have shown that the translation level of in vitro transcribed messenger RNA (mRNA) is enhanced when its uridines are replaced with pseudouridines; however, the reason for this enhancement has not been identified. Here, we demonstrate that in vitro transcripts containing uridine activate RNA-dependent protein kinase (PKR), which then phosphorylates translation initiation factor 2-alpha (eIF-2α), and inhibits translation. In contrast, in vitro transcribed mRNAs containing pseudouridine activate PKR to a lesser degree, and translation of pseudouridine-containing mRNAs is not repressed. RNA pull-down assays demonstrate that mRNA containing uridine is bound by PKR more efficiently than mRNA with pseudouridine. Finally, the role of PKR is validated by showing that pseudouridine- and uridine-containing RNAs were translated equally in PKR knockout cells. These results indicate that the enhanced translation of mRNAs containing pseudouridine, compared to those containing uridine, is mediated by decreased activation of PKR.

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Metadata

Authors
Anderson, B. R., Muramatsu, H., Nallagatla, S. R., Bevilacqua, P. C., Sansing, L. H., Weissman, D., & Karikó, K.
Affiliations
Pennsylvania State University (US)
Corresponding author
Karikó, Katalin
Venue
Nucleic Acids Research
Published
2010-05-10
Volume
38
Issue
17
Pages
5884-5892
ISSN
  • 0305-1048 (ISSN-L)
  • 1362-4962
OpenAlex
W2156788486
Cited by
682
References
60
Citations by year
2026: 67 · 2025: 99 · 2024: 143 · 2023: 90 · 2022: 77 · 2021: 52 · 2020: 22 · 2019: 22 · 2018: 26 · 2017: 17 · 2016: 21 · 2015: 13 · 2014: 6 · 2013: 12 · 2012: 8
FWCI
3.49
Type
journal article
Language
en
Open access
Locations
  • Nucleic Acids Research (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Funders
  • Cleveland Clinic
  • Cleveland Clinic Foundation
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (R42HL087688)
  • National Institute of General Medical Sciences (T32GM007229, R01GM058709)
  • National Institute of Allergy and Infectious Diseases (R01AI050484)
  • National Institute of Diabetes and Digestive and Kidney Diseases (T32DK007748)
  • National Institute of Dental and Craniofacial Research (R21DE019059)
  • National Center for Research Resources (T32RR007063)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • 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
pseudouridine, mRNA translation, PKR, RNA-dependent protein kinase, eIF2α phosphorylation, translation initiation, uridine, in vitro transcribed mRNA, RNA-protein interactions
MeSH terms
Animals, Cell Line, Cells, Cultured, Humans, Pseudouridine, RNA, Messenger, Protein Biosynthesis, eIF-2 Kinase, Mice

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