Evidence map›Paper›PMID 22484427›Full record

ArticleOncogene2013

Activation of p53 following ionizing radiation, but not other stressors, is dependent on the proline-rich domain (PRD).

H G Campbell, R Mehta, A A Neumann, C Rubio, M Baird, T L Slatter, A W Braithwaite

Abstract read
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In one paragraph

Article in Oncogene, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
1.4field-weighted citation impact, top 19% 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

11 citing papers in PubMed, 16 citations in OpenAlex.

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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

7 authors at 3 institutions in 2 countries.

H G CampbellChildren's Medical Research Institute, University of Sydney, Sydney, New South Wales, Australia.
R Mehta
A A Neumann
C Rubio
M Baird
T L Slatter
A W Braithwaite
University of Sydney · AUChildren's Medical Research Institute · AUUniversity of Otago · NZ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The tumor suppressor protein, p53 is one of the most important cellular defences against malignant transformation. In response to cellular stressors p53 can induce apoptosis, cell cycle arrest or senescence as well as aid in DNA repair. Which p53 function is required for tumor suppression is unclear. The proline-rich domain (PRD) of p53 (residues 58-101) has been reported to be essential for the induction of apoptosis. To determine the importance of the PRD in tumor suppression in vivo we previously generated a mouse containing a 33-amino-acid deletion (residues 55-88) in p53 (mΔpro). We showed that mΔpro mice are protected from T-cell tumors but not late-onset B-cell tumors. Here, we characterize the functionality of the PRD and show that it is important for mediating the p53 response to DNA damage induced by γ-radiation, but not the p53-mediated responses to Ha-Ras expression or oxidative stress. We conclude that the PRD is important for receiving incoming activating signals. Failure of PRD mutants to respond to the activating signaling produced by DNA damage leads to impaired downstream signaling, accumulation of mutations, which potentially leads to late-onset tumors.

Indexed as

Radiation, IonizingAnimalsB-LymphocytesCells, CulturedCell Transformation, NeoplasticDNA DamageEmbryo, MammalianEmbryonic Stem CellsMiceMice, KnockoutModels, BiologicalProlineProline-Rich Protein DomainsSequence DeletionStress, PhysiologicalTumor Suppressor Protein p53ProlineTP53 protein, humanTumor Suppressor Protein p53

Identifiers

PMID22484427
OpenAlexW2093064349

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.