Evidence map›Paper›PMID 24684861›Full record

ArticleVirology journal2014

Activation of the PKR/eIF2α signaling cascade inhibits replication of Newcastle disease virus.

Shilei Zhang, Yingjie Sun, Hongjun Chen, Yabin Dai, Yuan Zhan, Shengqing Yu, Xusheng Qiu, Lei Tan, Cuiping Song, Chan Ding

Open access · goldAbstract read
In one paragraph

Article in Virology journal, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed, 1 pooled it
3.1field-weighted citation impact, top 8% 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

37 citing papers in PubMed, 1 synthesis or guideline pooled it, 62 citations in OpenAlex.

  1. Pooled it
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  20. Review
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

10 authors at 3 institutions in 1 country.

Shilei Zhang
Yingjie Sun
Hongjun Chen
Yabin Dai
Yuan Zhan
Shengqing Yu
Xusheng Qiu
Lei Tan
Cuiping Song
Chan DingShanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No,518 Ziyue Road, Shanghai 200241, China. shoveldeen@shvri.ac.cn.
Shanghai Veterinary Research Institute · CNChinese Academy of Agricultural Sciences · CNPoultry Research Institute · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNewcastle Disease virus (NDV) causes severe and economically significant disease in almost all birds. However, factors that affect NDV replication in host cells are poorly understood. NDV generates long double-stranded RNA (dsRNA) molecules during transcription of single-stranded genomic RNA. Protein kinase R (PKR) is activated by dsRNA. The aim of this study was to elucidate the role of PKR in NDV infection.

resultsNDV infection led to the activation of dsRNA-dependent PKR and phosphorylation of its substrate, translation initiation factor eIF2α, in a dose-dependent manner by either the lentogenic strain LaSota or a velogenic strain Herts/33. PKR activation coincided with the accumulation of dsRNA induced by NDV infection. PKR knockdown remarkably decreased eIF2α phosphorylation as well as IFN-β mRNA levels, leading to the augmentation of extracellular virus titer. Furthermore, siRNA knockdown or phosphorylation of eIF2α or okadaic acid treatment significantly impaired NDV replication, indicating the critical role of the PKR/eIF2α signaling cascade in NDV infection.

conclusionPKR is activated by dsRNA generated by NDV infection and inhibits NDV replication by eIF2α phosphorylation. This study provides insight into NDV-host interactions for the development of candidate antiviral strategies.

Indexed as

Signal TransductionVirus ReplicationAnimalsBirdsCell LineeIF-2 KinaseEukaryotic Initiation Factor-2HumansNewcastle disease virusRNA, Double-StrandedRNA, ViraleIF-2 KinaseEukaryotic Initiation Factor-2RNA, Double-StrandedRNA, Viral

Identifiers

PMID24684861
PMCPMC3994276
OpenAlexW2146046197

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.