Evidence map›Paper›PMID 19174155›Full record

ArticleBiochemical pharmacology2009

Cyclophilin B stimulates RNA synthesis by the HCV RNA dependent RNA polymerase.

Julie A Heck, Xiao Meng, David N Frick

Open access · greenAbstract readComparative Study
In one paragraph

Article in Biochemical pharmacology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
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

13 citing papers in PubMed, 34 citations in OpenAlex.

  1. Article
  2. Review
  3. Chaperones in hepatitis C virus infection.World journal of hepatology · 2016
    Review
  4. The role of immunophilins in viral infection.Biochimica et biophysica acta · 2015
    Article
  5. Cyclophilin inhibitors as antiviral agents.Bioorganic & medicinal chemistry letters · 2013
    Article
  6. Review
  7. Review
  8. Article
  9. Anti-HCV drugs in the pipeline.Current opinion in virology · 2011
    Review
  10. Article
  11. Review
  12. Article
  13. 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

3 authors at 1 institution in 1 country.

Julie A HeckDepartment of Biochemistry & Molecular Biology, New York Medical College, Valhalla, 10595, United States.
Xiao Meng
David N Frick
New York Medical College · US

Funding

Enzymatic Differences Among Hepatitis C Virus GenotypesR01AI052395 · NIAID · NEW YORK MEDICAL COLLEGE · PI FRICK, DAVID N · 2003 to 2007
$1.5M
NIAID NIH HHS AI052395NIAID NIH HHS R01 AI052395
6 · The paper itself

Abstract

Cyclophilins are cellular peptidyl isomerases that have been implicated in regulating hepatitis C virus (HCV) replication. Cyclophilin B (CypB) is a target of cyclosporin A (CsA), an immunosuppressive drug recently shown to suppress HCV replication in cell culture. Watashi et al. recently demonstrated that CypB is important for efficient HCV replication, and proposed that it mediates the anti-HCV effects of CsA through an interaction with NS5B [Watashi K, Ishii N, Hijikata M, Inoue D, Murata T, Miyanari Y, et al. Cyclophilin B is a functional regulator of hepatitis C virus RNA polymerase. Mol Cell 2005;19:111-22]. We examined the effects of purified CypB proteins on the enzymatic activity of NS5B. Recombinant CypB purified from insect cells directly stimulated NS5B-catalyzed RNA synthesis. CypB increased RNA synthesis by NS5B derived from genotype 1a, 1b, and 2a HCV strains. Stimulation appears to arise from an increase in productive RNA binding. NS5B residue Pro540, a previously proposed target of CypB peptidyl-prolyl isomerase activity, is not required for stimulation of RNA synthesis.

Indexed as

AnimalsCyclophilinsHepacivirusHumansInsectaRNA-Dependent RNA PolymeraseRNA, ViralViral Nonstructural Proteinscyclophilin BCyclophilinsNS-5 protein, hepatitis C virusRNA-Dependent RNA PolymeraseRNA, ViralViral Nonstructural Proteins

Identifiers

PMID19174155
PMCPMC2656422
OpenAlexW2061320529

What OpenQuestion holds

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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.