Evidence map›Paper›PMID 24371074›Full record

ArticleJournal of virology2014

Inhibition of poliovirus-induced cleavage of cellular protein PCBP2 reduces the levels of viral RNA replication.

Amanda J Chase, Sarah Daijogo, Bert L Semler

Open access · bronzeAbstract read
In one paragraph

Article in Journal of virology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
2.0field-weighted citation impact, top 12% 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

32 citing papers in PubMed, 53 citations in OpenAlex.

  1. Article
  2. Article
  3. PCBP2 in gastrointestinal cancers: fundamental mechanism and clinical potential.Journal of molecular medicine (Berlin, Germany) · 2025
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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

3 authors at 1 institution in 1 country.

Amanda J ChaseDepartment of Microbiology and Molecular Genetics, School of Medicine, University of California, Irvine, California, USA.
Sarah Daijogo
Bert L Semler
University of California, Irvine · US

Funding

Impact of host protein dynamics on picornavirus RNA 5’ noncoding region functionsR01AI026765 · NIAID · UNIVERSITY OF CALIFORNIA-IRVINE · PI SEMLER, BERT L · 1988 to 2019
$5.9M
Functions of 5' NCRs of picornavirus and cellular mRNAsR56AI026765 · NIAID · UNIVERSITY OF CALIFORNIA-IRVINE · PI SEMLER, BERT L · 2008 to 2008
$369k
NIAID NIH HHS AI026765NIAID NIH HHS R01 AI026765NIAID NIH HHS R56 AI026765
6 · The paper itself

Abstract

unlabelledDue to their small genome size, picornaviruses must utilize host proteins to mediate cap-independent translation and viral RNA replication. The host RNA-binding protein poly(rC) binding protein 2 (PCBP2) is involved in both processes in poliovirus infected cells. It has been shown that the viral proteinase 3CD cleaves PCBP2 and contributes to viral translation inhibition. However, cleaved PCBP2 remains active in viral RNA replication. This would suggest that both cleaved and intact forms of PCBP2 have a role in the viral RNA replication cycle. The picornavirus genome must act as a template for both translation and RNA replication. However, a template that is actively being translated cannot function as a template for RNA replication, suggesting that there is a switch in template usage from translation to RNA replication. We demonstrate that the cleavage of PCBP2 by the poliovirus 3CD proteinase is a necessary step for efficient viral RNA replication and, as such, may be important for mediating a switch in template usage from translation to RNA replication. IMPORTANCE: Poliovirus, like all positive-strand RNA viruses that replicate in the cytoplasm of eukaryotic cells, uses its genomic RNA as a template for both viral protein synthesis and RNA replication. Given that these processes cannot occur simultaneously on the same template, poliovirus has evolved a mechanism(s) to facilitate the switch from using templates for translation to using them for RNA synthesis. This study explores one possible scenario for how the virus alters the functions of a host cell RNA binding protein to mediate, in part, this important transition.

Indexed as

Virus Replication3C Viral ProteasesCysteine EndopeptidasesDown-RegulationHeLa CellsHumansPoliomyelitisPoliovirusProtein Processing, Post-TranslationalRNA-Binding ProteinsRNA, ViralViral Proteins3C Viral ProteasesCysteine EndopeptidasesPCBP2 protein, humanRNA-Binding ProteinsRNA, ViralViral Proteins

Identifiers

PMID24371074
PMCPMC3957957
OpenAlexW2104668514

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.