Evidence map›Paper›PMID 11604515›Full record

ArticleMolecular and cellular biology2001

Specific double-stranded RNA interference in undifferentiated mouse embryonic stem cells.

S Yang, S Tutton, E Pierce, K Yoon

Open access · greenAbstract read
In one paragraph

Article in Molecular and cellular biology, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 68 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
68citing papers in PubMed, 1 pooled it
8.3field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

68 citing papers in PubMed, 1 synthesis or guideline pooled it, 222 citations in OpenAlex.

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  16. Production of functional small interfering RNAs by an amino-terminal deletion mutant of human Dicer.Proceedings of the National Academy of Sciences of the United States of America · 2015
    Article
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8 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 2 institutions in 2 countries.

S YangDepartment of Dermatology and Cutaneous Biology, Jefferson Institute of Molecular Medicine, Thomas Jefferson University, and Jefferson Medical College, Philadelphia, Pennsylvania 19107, USA.
S Tutton
E Pierce
K Yoon
Jefferson Institute · USUniversity of Pennsylvania · US

Funding

Precision Medicine for Inherited Retinal DegenerationsR01EY012910 · NEI · UNIVERSITY OF PENNSYLVANIA · PI Eric A Pierce · 1999 to 2026
$15.9M
TRANSGENIC MICE WITH EPIDERMOLYSIS BULLOSAP01AR038923 · NIAMS · THOMAS JEFFERSON UNIVERSITY · PI UITTO, JOUNI · 1987 to 2006
$7.8M
MECHANISMS OF GENE TARGETING BY RNA-DNA OLIGONUCLEOTIDER21GM061942 · NIGMS · THOMAS JEFFERSON UNIVERSITY · PI YOON, KYONGGEUN · 2000 to 2001
$237k
NEW GENE THERAPY FOR RHEUMATOID ARTHRITISR01AR044350 · NIAMS · THOMAS JEFFERSON UNIVERSITY · PI YOON, KYONGGEUN · 1997 to 1999
–
NEI NIH HHS EY12910NEI NIH HHS R01 EY012910NIAMS NIH HHS AR38923NIAMS NIH HHS AR44350NIAMS NIH HHS P01 AR038923NIGMS NIH HHS GM61942
6 · The paper itself

Abstract

Specific mRNA degradation mediated by double-stranded RNA (dsRNA) interference (RNAi) is a powerful way of suppressing gene expression in plants, nematodes, and fungal, insect, and protozoan systems. However, only a few cases of RNAi have been reported in mammalian systems. Here, we investigated the feasibility of the RNAi strategy in several mammalian cells by using the enhanced green fluorescent protein gene as a target, either by in situ production of dsRNA from transient transfection of a plasmid harboring a 547-bp inverted repeat or by direct transfection of dsRNA made by in vitro transcription. Several mammalian cells including differentiated embryonic stem (ES) cells did not exhibit specific RNAi in transient transfection. This long dsRNA, however, was capable of inducing a sequence-specific RNAi for the episomal and chromosomal target gene in undifferentiated ES cells. dsRNA at 8.3 nM decreased the cognate gene expression up to 70%. However, RNAi activity was not permanent because it was more pronounced in early time points and diminished 5 days after transfection. Thus, undifferentiated ES cells may lack the interferon response, similar to mouse embryos and oocytes. Regardless of their apparent RNAi activity, however, cytoplasmic extracts from mammalian cells produced a small RNA of 21 to 22 nucleotides from the long dsRNA. Our results suggest that mammalian cells may possess RNAi activity but nonspecific activation of the interferon response by longer dsRNA may mask the specific RNAi. The findings offer an opportunity to use dsRNA for inhibition of gene expression in ES cells to study differentiation.

Indexed as

RNA, Double-StrandedRNA Processing, Post-TranscriptionalAnimalsCell DifferentiationCell LineCHO CellsCricetinaeGene SilencingGreen Fluorescent ProteinsLuminescent ProteinsMammalsMiceStem CellsGreen Fluorescent ProteinsLuminescent ProteinsRNA, Double-Stranded

Identifiers

PMID11604515
PMCPMC99950
OpenAlexW2155516979

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.