Evidence map›Paper›PMID 23785203›Full record

ArticleJournal of virology2013

Encephalomyocarditis virus disrupts stress granules, the critical platform for triggering antiviral innate immune responses.

Chen Seng Ng, Michihiko Jogi, Ji-Seung Yoo, Koji Onomoto, Satoshi Koike, Takuya Iwasaki, Mitsutoshi Yoneyama, Hiroki Kato, Takashi Fujita

Open access · bronzeAbstract read
In one paragraph

Article in Journal of virology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 105 papers.

0numbers the graph read from it
0cells of the map it votes in
105citing papers in PubMed
6.3field-weighted citation impact, top 3% 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

105 citing papers in PubMed, 143 citations in OpenAlex.

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45 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

9 authors at 3 institutions in 1 country.

Chen Seng NgLaboratory of Molecular Genetics, Institute for Virus Research, Kyoto University, Kyoto, Japan.
Michihiko Jogi
Ji-Seung Yoo
Koji Onomoto
Satoshi Koike
Takuya Iwasaki
Mitsutoshi Yoneyama
Hiroki Kato
Takashi Fujita
Kyoto University · JPTokyo Metropolitan Institute of Medical Science · JPChiba University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In response to stress, cells induce ribonucleoprotein aggregates, termed stress granules (SGs). SGs are transient loci containing translation-stalled mRNA, which is eventually degraded or recycled for translation. Infection of some viruses, including influenza A virus with a deletion of nonstructural protein 1 (IAVΔNS1), induces SG-like protein aggregates. Previously, we showed that IAVΔNS1-induced SGs are required for efficient induction of type I interferon (IFN). Here, we investigated SG formation by different viruses using green fluorescent protein (GFP)-tagged Ras-Gap SH3 domain binding protein 1 (GFP-G3BP1) as an SG probe. HeLa cells stably expressing GFP-G3BP1 were infected with different viruses, and GFP fluorescence was monitored live with time-lapse microscopy. SG formations by different viruses was classified into 4 different patterns: no SG formation, stable SG formation, transient SG formation, and alternate SG formation. We focused on encephalomyocarditis virus (EMCV) infection, which exhibited transient SG formation. We found that EMCV disrupts SGs by cleavage of G3BP1 at late stages of infection (>8 h) through a mechanism similar to that used by poliovirus. Expression of a G3BP1 mutant that is resistant to the cleavage conferred persistent formation of SGs as well as an enhanced induction of IFN and other cytokines at late stages of infection. Additionally, knockdown of endogenous G3BP1 blocked SG formation with an attenuated induction of IFN and potentiated viral replication. Taken together, our findings suggest a critical role of SGs as an antiviral platform and shed light on one of the mechanisms by which a virus interferes with host stress and subsequent antiviral responses.

Indexed as

Carrier ProteinsCytokinesDNA HelicasesDNA VirusesEncephalomyocarditis virusGene ExpressionGene Knockdown TechniquesGreen Fluorescent ProteinsHeLa CellsHost-Pathogen InteractionsHumansImmunity, InnateInterferonsMutationPoly-ADP-Ribose Binding ProteinsRecombinant Fusion ProteinsCarrier ProteinsCytokinesDNA HelicasesG3BP1 protein, humanGreen Fluorescent ProteinsInterferonsPoly-ADP-Ribose Binding ProteinsRecombinant Fusion ProteinsRibonucleoproteinsRNA HelicasesRNA Recognition Motif Proteins

Identifiers

PMID23785203
PMCPMC3754122
OpenAlexW2005502948

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.