Evidence map›Paper›PMID 11313928›Full record

ReviewOncogene2001

Regulation of the G2/M transition by p53.

W R Taylor, G R Stark

Abstract readReview
PubMed Publisher
In one paragraph

Review in Oncogene, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 622 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
622citing papers in PubMed, 1 pooled it
27.0field-weighted citation impact, top 1% 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

622 citing papers in PubMed, 1 synthesis or guideline pooled it, 1,554 citations in OpenAlex.

  1. Targeting p53 pathways: mechanisms, structures, and advances in therapy.Signal transduction and targeted therapy · 2023
    Pooled it
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562 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

2 authors at 2 institutions in 1 country.

W R TaylorDepartment of Molecular Biology, Lerner Research Insititute, The Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, Ohio 44195, USA.
G R Stark
Cleveland Clinic · USCleveland Clinic Lerner College of Medicine · US

Funding

NIGMS NIH HHS GM49345
6 · The paper itself

Abstract

p53 protects mammals from neoplasia by inducing apoptosis, DNA repair and cell cycle arrest in response to a variety of stresses. p53-dependent arrest of cells in the G1 phase of the cell cycle is an important component of the cellular response to stress. Here we review recent evidence that implicates p53 in controlling entry into mitosis when cells enter G2 with damaged DNA or when they are arrested in S phase due to depletion of the substrates required for DNA synthesis. Part of the mechanism by which p53 blocks cells at the G2 checkpoint involves inhibition of Cdc2, the cyclin-dependent kinase required to enter mitosis. Cdc2 is inhibited simultaneously by three transcriptional targets of p53, Gadd45, p21, and 14-3-3 sigma. Binding of Cdc2 to Cyclin B1 is required for its activity, and repression of the cyclin B1 gene by p53 also contributes to blocking entry into mitosis. p53 also represses the cdc2 gene, to help ensure that cells do not escape the initial block. Genotoxic stress also activates p53-independent pathways that inhibit Cdc2 activity, activation of the protein kinases Chk1 and Chk2 by the protein kinases Atm and Atr. Chk1 and Chk2 inhibit Cdc2 by inactivating Cdc25, the phosphatase that normally activates Cdc2. Chk1, Chk2, Atm and Atr also contribute to the activation of p53 in response to genotoxic stress and therefore play multiple roles. p53 induces transcription of the reprimo, B99, and mcg10 genes, all of which contribute to the arrest of cells in G2, but the mechanisms of cell cycle arrest by these genes is not known. Repression of the topoisomerase II gene by p53 helps to block entry into mitosis and strengthens the G2 arrest. In summary, multiple overlapping p53-dependent and p53-independent pathways regulate the G2/M transition in response to genotoxic stress.

Indexed as

Biomarkers, TumorExonucleasesG2 PhaseMitosisNeoplasm Proteins14-3-3 ProteinsAlkaloidsAnimalsCaffeineCDC2 Protein KinaseCyclin BCyclin B1Cyclin-Dependent Kinase Inhibitor p21CyclinsDNA DamageExoribonucleases14-3-3 Proteins7-hydroxystaurosporineAlkaloidsBiomarkers, TumorCaffeineCCNB1 protein, humanCDC2 Protein KinaseCDKN1A protein, humanCyclin BCyclin B1Cyclin-Dependent Kinase Inhibitor p21CyclinsExonucleasesExoribonucleasesNeoplasm ProteinsProteinsSFN protein, humanStaurosporineTumor Suppressor Protein p53

Identifiers

PMID11313928
OpenAlexW1967880683

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.