Cited by 3,592MicroRNA in disease regulationRNA Research and SplicingPlant Molecular Biology Research

The DOI matches its Crossref record; 49 of the 50 references it cites were found in a registry or an index.

The impact of microRNAs on protein output

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Abstract

MicroRNAs are endogenous approximately 23-nucleotide RNAs that can pair to sites in the messenger RNAs of protein-coding genes to downregulate the expression from these messages. MicroRNAs are known to influence the evolution and stability of many mRNAs, but their global impact on protein output had not been examined. Here we use quantitative mass spectrometry to measure the response of thousands of proteins after introducing microRNAs into cultured cells and after deleting mir-223 in mouse neutrophils. The identities of the responsive proteins indicate that targeting is primarily through seed-matched sites located within favourable predicted contexts in 3' untranslated regions. Hundreds of genes were directly repressed, albeit each to a modest degree, by individual microRNAs. Although some targets were repressed without detectable changes in mRNA levels, those translationally repressed by more than a third also displayed detectable mRNA destabilization, and, for the more highly repressed targets, mRNA destabilization usually comprised the major component of repression. The impact of microRNAs on the proteome indicated that for most interactions microRNAs act as rheostats to make fine-scale adjustments to protein output.

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Metadata

Authors
Baek, D., Villén, J., Shin, C., Camargo, F. D., Gygi, S. P., & Bartel, D. P.
Affiliations
  • Whitehead Institute for Biomedical Research (US)
  • Harvard University (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
  • Gygi, Steven P.
  • Bartel, David P.
Venue
Nature
Published
2008-07-30
Volume
455
Issue
7209
Pages
64-71
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1988163167
Cited by
3,592
References
50
Citations by year
2026: 39 · 2025: 65 · 2024: 82 · 2023: 98 · 2022: 137 · 2021: 138 · 2020: 140 · 2019: 150 · 2018: 164 · 2017: 198 · 2016: 208 · 2015: 257 · 2014: 287 · 2013: 328 · 2012: 342
FWCI
108.87
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • Damon Runyon Cancer Research Foundation
  • National Human Genome Research Institute (R01HG003456)
  • National Institute of General Medical Sciences (R01GM067031)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
Keywords
microRNA, protein production, protein synthesis inhibition, mRNA destabilization, 3' untranslated region, miR-223, neutrophils, gene expression regulation, SILAC
MeSH terms
Animals, Gene Expression Regulation, HeLa Cells, Humans, Isotope Labeling, Male, Neutrophils, Transfection, Protein Biosynthesis, Oligonucleotide Array Sequence Analysis, MicroRNAs, Proteomics, Mice

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