Evidence map›Paper›PMID 18833293›Full record

ArticlePLoS pathogens2008

Epstein-Barr nuclear antigen 1 contributes to nasopharyngeal carcinoma through disruption of PML nuclear bodies.

Nirojini Sivachandran, Feroz Sarkari, Lori Frappier

Open access · goldAbstract read
In one paragraph

Article in PLoS pathogens, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 85 papers.

0numbers the graph read from it
0cells of the map it votes in
85citing papers in PubMed
4.9field-weighted citation impact, top 4% 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

85 citing papers in PubMed, 144 citations in OpenAlex.

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  15. Viruses in the Nucleus.Cold Spring Harbor perspectives in biology · 2021
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25 more citing papers are in PubMed but not listed here.

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.

Nirojini SivachandranDepartment of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada.
Feroz Sarkari
Lori Frappier
University of Toronto · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Latent Epstein-Barr virus (EBV) infection is strongly associated with several cancers, including nasopharyngeal carcinoma (NPC), a tumor that is endemic in several parts of the world. We have investigated the molecular basis for how EBV latent infection promotes the development of NPC. We show that the viral EBNA1 protein, previously known to be required to maintain the EBV episomes, also causes the disruption of the cellular PML (promyelocytic leukemia) nuclear bodies (or ND10s). This disruption occurs both in the context of a native latent infection and when exogenously expressed in EBV-negative NPC cells and involves loss of the PML proteins. We also show that EBNA1 is partially localized to PML nuclear bodies in NPC cells and interacts with a specific PML isoform. PML disruption by EBNA1 requires binding to the cellular ubiquitin specific protease, USP7 or HAUSP, but is independent of p53. We further observed that p53 activation, DNA repair and apoptosis, all of which depend on PML nuclear bodies, were impaired by EBNA1 expression and that cells expressing EBNA1 were more likely to survive after induction of DNA damage. The results point to an important role for EBNA1 in the development of NPC, in which EBNA1-mediated disruption of PML nuclear bodies promotes the survival of cells with DNA damage.

Indexed as

Cell LineEpstein-Barr Virus InfectionsEpstein-Barr Virus Nuclear AntigensHerpesvirus 4, HumanHumansIntranuclear Inclusion BodiesNasopharyngeal NeoplasmsNuclear ProteinsPlasmidsPromyelocytic Leukemia ProteinTranscription FactorsTumor Suppressor Protein p53Tumor Suppressor ProteinsTumor Virus InfectionsUbiquitin-Specific Peptidase 7Ubiquitin ThiolesteraseEBV-encoded nuclear antigen 1Epstein-Barr Virus Nuclear AntigensNuclear ProteinsPML protein, humanPromyelocytic Leukemia ProteinTP53 protein, humanTranscription FactorsTumor Suppressor Protein p53Tumor Suppressor ProteinsUbiquitin-Specific Peptidase 7Ubiquitin ThiolesteraseUSP7 protein, human

Identifiers

PMID18833293
PMCPMC2542412
OpenAlexW1993436422

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.