Evidence map›Paper›PMID 19282980›Full record

ArticlePLoS pathogens2009

Definition of herpes simplex virus type 1 helper activities for adeno-associated virus early replication events.

Nathalie Alazard-Dany, Armel Nicolas, Aurélie Ploquin, Regina Strasser, Anna Greco, Alberto L Epstein, Cornel Fraefel, Anna Salvetti

Open access · goldAbstract read
In one paragraph

Article in PLoS pathogens, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
2.9field-weighted citation impact, top 9% 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

29 citing papers in PubMed, 54 citations in OpenAlex.

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  19. Vaccinia virus as a subhelper for AAV replication and packaging.Molecular therapy. Methods & clinical development · 2015
    Article
  20. Parvovirus glycan interactions.Current opinion in virology · 2014
    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

8 authors at 6 institutions in 2 countries.

Nathalie Alazard-DanyINSERM U758, Lyon, France.
Armel Nicolas
Aurélie Ploquin
Regina Strasser
Anna Greco
Alberto L Epstein
Cornel Fraefel
Anna Salvetti
Université Claude Bernard Lyon 1 · FRUniversity of Zurich · CHCentre de Génétique Moléculaire · FRCentre National de la Recherche Scientifique · FRÉcole Normale Supérieure de Lyon · FRInserm · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The human parvovirus Adeno-Associated Virus (AAV) type 2 can only replicate in cells co-infected with a helper virus, such as Adenovirus or Herpes Simplex Virus type 1 (HSV-1); whereas, in the absence of a helper virus, it establishes a latent infection. Previous studies demonstrated that the ternary HSV-1 helicase/primase (HP) complex (UL5/8/52) and the single-stranded DNA-Binding Protein (ICP8) were sufficient to induce AAV-2 replication in transfected cells. We independently showed that, in the context of a latent AAV-2 infection, the HSV-1 ICP0 protein was able to activate rep gene expression. The present study was conducted to integrate these observations and to further explore the requirement of other HSV-1 proteins during early AAV replication steps, i.e. rep gene expression and AAV DNA replication. Using a cellular model that mimics AAV latency and composite constructs coding for various sets of HSV-1 genes, we first confirmed the role of ICP0 for rep gene expression and demonstrated a synergistic effect of ICP4 and, to a lesser extent, ICP22. Conversely, ICP27 displayed an inhibitory effect. Second, our analyses showed that the effect of ICP0, ICP4, and ICP22 on rep gene expression was essential for the onset of AAV DNA replication in conjunction with the HP complex and ICP8. Third, and most importantly, we demonstrated that the HSV-1 DNA polymerase complex (UL30/UL42) was critical to enhance AAV DNA replication to a significant level in transfected cells and that its catalytic activity was involved in this process. Altogether, this work represents the first comprehensive study recapitulating the series of early events taking place during HSV-1-induced AAV replication.

Indexed as

AnimalsBlotting, SouthernChlorocebus aethiopsDependovirusDNA-Binding ProteinsDNA-Directed DNA PolymeraseDNA ReplicationExodeoxyribonucleasesFluorescent Antibody TechniqueGene Expression Regulation, ViralHeLa CellsHelper VirusesHerpesvirus 1, HumanHumansImmediate-Early ProteinsIn Situ Hybridization, FluorescenceDNA-Binding ProteinsDNA-Directed DNA PolymeraseDNA polymerase, SimplexvirusExodeoxyribonucleasesherpes simplex virus, type 1 protein ICP4ICP22 protein, human herpesvirus 1ICP8 protein, SimplexvirusImmediate-Early ProteinsUbiquitin-Protein LigasesViral ProteinsVmw110 protein, Human herpesvirus 1

Identifiers

PMID19282980
PMCPMC2650098
OpenAlexW2132885594

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.