Evidence map›Paper›PMID 11602746›Full record

ArticleJournal of virology2001

NS1- and minute virus of mice-induced cell cycle arrest: involvement of p53 and p21(cip1).

A Op De Beeck, J Sobczak-Thepot, H Sirma, F Bourgain, C Brechot, P Caillet-Fauquet

Abstract read
In one paragraph

Article in Journal of virology, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed
2.0field-weighted citation impact, top 14% 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

38 citing papers in PubMed, 59 citations in OpenAlex.

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  12. Viral genes as oncolytic agents for cancer therapy.Cellular and molecular life sciences : CMLS · 2015
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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

6 authors at 3 institutions in 2 countries.

A Op De BeeckUnité Hépatite C, CNRS-FRE 2369, Institut de Biologie de Lille et Institut Pasteur de Lille, 59021 Lille cedex, France. anne.op-de-beeck@ibl.fr
J Sobczak-Thepot
H Sirma
F Bourgain
C Brechot
P Caillet-Fauquet
Inserm · FRInstitut de Biologie de Lille · FRUniversité Libre de Bruxelles · BE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The nonstructural protein NS1 of the autonomous parvovirus minute virus of mice (MVMp) is cytolytic when expressed in transformed cells. Before causing extensive cell lysis, NS1 induces a multistep cell cycle arrest in G(1), S, and G(2), well reproducing the arrest in S and G(2) observed upon MVMp infection. In this work we investigated the molecular mechanisms of growth inhibition mediated by NS1 and MVMp. We show that NS1-mediated cell cycle arrest correlates with the accumulation of the cyclin-dependent kinase (Cdk) inhibitor p21(cip1) associated with both the cyclin A/Cdk and cyclin E/Cdk2 complexes but in the absence of accumulation of p53, a potent transcriptional activator of p21(cip1). By comparison, MVMp infection induced the accumulation of both p53 and p21(cip1). We demonstrate that p53 plays an essential role in the MVMp-induced cell cycle arrest in both S and G(2) by using p53 wild-type (+/+) and null (-/-) cells. Furthermore, only the G(2) arrest was abrogated in p21(cip1) null (-/-) cells. Together these results show that the MVMp-induced cell cycle arrest in S is p53 dependent but p21(cip1) independent, whereas the arrest in G(2) depends on both p53 and its downstream effector p21(cip1). They also suggest that induction of p21(cip1) by the viral protein NS1 arrests cells in G(2) through inhibition of cyclin A-dependent kinase activity.

Indexed as

Cell CycleAnimalsCDC2 Protein KinaseCell LineCyclin ACyclin-Dependent Kinase Inhibitor p21CyclinsDNA ReplicationG2 PhaseMinute Virus of MiceRatsS PhaseTumor Suppressor Protein p53Viral Nonstructural ProteinsCDC2 Protein KinaseCdkn1a protein, ratCyclin ACyclin-Dependent Kinase Inhibitor p21CyclinsNS1 protein, parvovirusTumor Suppressor Protein p53Viral Nonstructural Proteins

Identifiers

PMID11602746
PMCPMC114686
OpenAlexW2102576269

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.