Cited by 9,456RNA Interference and Gene DeliveryRNA Research and SplicingPlant Molecular Biology Research

Duplexes of 21-nucleotide RNAs mediate RNA interference in cultured mammalian cells

Elbashir, Sayda M., Harborth, Jens, Lendeckel, Winfried, Yalcin, Abdullah, Weber, Klaus, Tuschl, Thomas·2001·Nature

Abstract

RNA interference (RNAi) is the process of sequence-specific, post-transcriptional gene silencing in animals and plants, initiated by double-stranded RNA (dsRNA) that is homologous in sequence to the silenced gene. The mediators of sequence-specific messenger RNA degradation are 21- and 22-nucleotide small interfering RNAs (siRNAs) generated by ribonuclease III cleavage from longer dsRNAs. Here we show that 21-nucleotide siRNA duplexes specifically suppress expression of endogenous and heterologous genes in different mammalian cell lines, including human embryonic kidney (293) and HeLa cells. Therefore, 21-nucleotide siRNA duplexes provide a new tool for studying gene function in mammalian cells and may eventually be used as gene-specific therapeutics.

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Crossref · 10.1038/35078107

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  • RNA interference triggers degradation of particular RNA targets by double-stranded RNAs, resulting in down-regulation of corresponding proteins.

    “RNA interference (RNAi) is an endogenous cellular process that triggers the degradation of particular RNA targets by double-stranded RNAs, result in the subsequent down-regulation of corresponding proteins.565–567”

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Authors
Elbashir, S. M., Harborth, J., Lendeckel, W., Yalcin, A., Weber, K., & Tuschl, T.
Affiliations
  • Max Planck Institute for Biophysical Chemistry (DE)
  • Max Planck Society (DE)
Corresponding author
Tuschl, Thomas
Venue
Nature
Published
2001-05
Volume
411
Issue
6836
Pages
494-498
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1611419331
Cited by
9,456
References
31
Citations by year
2026: 130 · 2025: 145 · 2024: 151 · 2023: 141 · 2022: 218 · 2021: 201 · 2020: 196 · 2019: 232 · 2018: 195 · 2017: 224 · 2016: 242 · 2015: 287 · 2014: 359 · 2013: 401 · 2012: 486
FWCI
210.46
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • 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
RNA interference, siRNA, gene silencing, post-transcriptional regulation, mammalian cells
MeSH terms
Animals, Coleoptera, Cells, Cultured, Cnidaria, Drosophila, Genes, Genetic Techniques, HeLa Cells, Humans, Nuclear Proteins, Nucleic Acid Hybridization, RNA, Double-Stranded, RNA, Messenger, Vimentin, Genes, Reporter, Cell Cycle Proteins, COS Cells, Gene Silencing, Nuclear Matrix-Associated Proteins, Lamins, Antigens, Nuclear

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