Cited by 308MicroRNA in disease regulationRNA Interference and Gene DeliveryCancer-related molecular mechanisms research

Vectors expressing efficient RNA decoys achieve the long-term suppression of specific microRNA activity in mammalian cells

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Haraguchi, Takeshi, Ozaki, Yuka, Iba, Hideo·2009·Nucleic Acids Research

Abstract

Whereas the strong and stable suppression of specific microRNA activity would be essential for the functional analysis of these molecules, and also for the development of therapeutic applications, effective inhibitory methods to achieve this have not yet been fully established. In our current study, we tested various RNA decoys which were designed to efficiently expose indigestible complementary RNAs to a specific miRNA molecule. These inhibitory RNAs were at the same time designed to be expressed in lentiviral vectors and to be transported into the cytoplasm after transcription by RNA polymerase III. We report the optimal conditions that we have established for the design of such RNA decoys (we term these molecules TuD RNAs; tough decoy RNAs). We finally demonstrate that TuD RNAs induce specific and strong biological effects and also show that TuD RNAs achieve the efficient and long-term-suppression of specific miRNAs for over 1 month in mammalian cells.

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Authors
Haraguchi, T., Ozaki, Y., & Iba, H.
Affiliations
Institute of Medical Science, The University of Tokyo (JP)
Corresponding author
Iba, Hideo
Venue
Nucleic Acids Research
Published
2009-02-17
Volume
37
Issue
6
Pages
e43-e43
ISSN
  • 0305-1048 (ISSN-L)
  • 1362-4962
OpenAlex
W2128520557
Cited by
305
References
29
Citations by year
2026: 6 · 2025: 8 · 2024: 15 · 2023: 6 · 2022: 14 · 2021: 10 · 2020: 20 · 2019: 18 · 2018: 21 · 2017: 27 · 2016: 29 · 2015: 24 · 2014: 33 · 2013: 23 · 2012: 23
FWCI
5.59
Type
journal article
Language
en
Open access
Locations
  • Nucleic Acids Research (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer-related molecular mechanisms research
Keywords
microRNA inhibition, RNA decoys, lentiviral vectors, RNA polymerase III transcription, mammalian cells
MeSH terms
Binding Sites, Cell Line, Genetic Vectors, Humans, Nucleic Acid Conformation, Transduction, Genetic, Lentivirus, Genes, Reporter, RNA, Untranslated, MicroRNAs

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