Evidence map›Paper›PMID 22022391›Full record

ArticlePloS one2011

PCBP2 enhances the antiviral activity of IFN-α against HCV by stabilizing the mRNA of STAT1 and STAT2.

Zhongshuai Xin, Wei Han, Zhiqiang Zhao, Qing Xia, Bin Yin, Jiangang Yuan, Xiaozhong Peng

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
0.9field-weighted citation impact, top 26% 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

15 citing papers in PubMed, 23 citations in OpenAlex.

  1. PCBP2 in gastrointestinal cancers: fundamental mechanism and clinical potential.Journal of molecular medicine (Berlin, Germany) · 2025
    Review
  2. Article
  3. Article
  4. Article
  5. Article
  6. The T1D-associated lncRNAProceedings of the National Academy of Sciences of the United States of America · 2020
    Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Article
  14. Review
  15. Article
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

7 authors at 3 institutions in 1 country.

Zhongshuai XinNational Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Wei Han
Zhiqiang Zhao
Qing Xia
Bin Yin
Jiangang Yuan
Xiaozhong Peng
Chinese Academy of Medical Sciences & Peking Union Medical College · CNNational Center of Biomedical Analysis · CNNational Institutes for Food and Drug Control · CN

Funding

Effect of Prazosin on Alcohol Craving, Stress Dysregulation and Alcohol RelapseR01AA020504 · NIAAA · YALE UNIVERSITY · PI FOX, HELEN CECILIA, SINHA, RAJITA · 2012 to 2016
$2.7M
NIAAA NIH HHS R01 AA020504
6 · The paper itself

Abstract

Interferon-α (IFN-α) is a natural choice for the treatment of hepatitis C, but half of the chronically infected individuals do not achieve sustained clearance of hepatitis C virus (HCV) during treatment with IFN-α alone. The virus can impair IFN-α signaling and cellular factors that have an effect on the viral life cycles. We found that the protein PCBP2 is down-regulated in HCV-replicon containing cells (R1b). However, the effects and mechanisms of PCBP2 on HCV are unclear. To determine the effect of PCBP2 on HCV, overexpression and knockdown of PCBP2 were performed in R1b cells. Interestingly, we found that PCBP2 can facilitate the antiviral activity of IFN-α against HCV, although the RNA level of HCV was unaffected by either the overexpression or absence of PCBP2 in R1b cells. RIP-qRT-PCR and RNA half-life further revealed that PCBP2 stabilizes the mRNA of STAT1 and STAT2 through binding the 3'Untranslated Region (UTR) of these two molecules, which are pivotal for the IFN-α anti-HCV effect. RNA pull-down assay confirmed that there were binding sites located in the C-rich tracts in the 3'UTR of their mRNAs. Stabilization of mRNA by PCBP2 leads to the increased protein expression of STAT1 and STAT2 and a consistent increase of phosphorylated STAT1 and STAT2. These effects, in turn, enhance the antiviral effect of IFN-α. These findings indicate that PCBP2 may play an important role in the IFN-α response against HCV and may benefit the HCV clinical therapy.

Indexed as

3' Untranslated RegionsAntiviral AgentsBase SequenceBinding SitesCell Line, TumorDown-RegulationGenome, ViralHepacivirusHumansInterferon-alphaModels, BiologicalMolecular Sequence DataProtein BindingRepliconRNA-Binding ProteinsRNA-Dependent RNA Polymerase3' Untranslated RegionsAntiviral AgentsInterferon-alphaNS4 protein, hepatitis C virusNS-5 protein, hepatitis C virusPCBP2 protein, humanRNA-Binding ProteinsRNA-Dependent RNA PolymeraseSTAT1 protein, humanSTAT1 Transcription FactorSTAT2 protein, humanSTAT2 Transcription FactorViral Nonstructural Proteins

Identifiers

PMID22022391
PMCPMC3191149
OpenAlexW2016063153

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.