Evidence map›Paper›PMID 17380128›Full record

ArticleThe EMBO journal2007

Phosphorylation of pRB at Ser612 by Chk1/2 leads to a complex between pRB and E2F-1 after DNA damage.

Yasumichi Inoue, Masatoshi Kitagawa, Yoichi Taya

Open access · bronzeAbstract readComparative Study
In one paragraph

Article in The EMBO journal, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 75 papers.

0numbers the graph read from it
0cells of the map it votes in
75citing papers in PubMed
4.7field-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

75 citing papers in PubMed, 115 citations in OpenAlex.

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  19. Kurarinone fromMolecules (Basel, Switzerland) · 2019
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15 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 2 institutions in 1 country.

Yasumichi InoueRadiobiology Division, National Cancer Center Research Institute, Tokyo, Japan.
Masatoshi Kitagawa
Yoichi Taya
Japan Science and Technology Agency · JPHamamatsu University School of Medicine · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The retinoblastoma tumor suppressor protein (pRB) plays a critical role in the control of cell proliferation and in the DNA damage checkpoints. pRB inhibits cell cycle progression through interactions with the E2F family of transcription factors. Here, we report that DNA damage induced not only the dephosphorylation of pRB at Cdk phosphorylation sites and the binding of pRB to E2F-1, but also the phosphorylation of pRB at Ser612. Phosphorylation of pRB at Ser612 enhanced the formation of a complex between pRB and E2F-1. Substitution of Ser612 with Ala decreased pRB-E2F-1 binding and the transcriptional repression activity. Until now, Ser612 of pRB has been thought to be phosphorylated by Cdk2. However, the phosphorylation of pRB at Ser612 was conducted by Chk1/2 after DNA damage, and inhibition of ATM-Chk1/2 activity suppressed the phosphorylation of Ser612 and the binding of pRB to E2F-1. These results suggest that Ser612 is phosphorylated by Chk1/2 after DNA damage, leading to the formation of pRB-E2F-1. This is the first report that pRB is phosphorylated in vivo by a kinase other than Cdk.

Indexed as

DNA DamageAtaxia Telangiectasia Mutated ProteinsCell Cycle ProteinsCell Line, TumorCheckpoint Kinase 1Checkpoint Kinase 2Chromatography, GelDNA-Binding ProteinsDNA PrimersE2F1 Transcription FactorHumansPhosphorylationProtein KinasesProtein Serine-Threonine KinasesRetinoblastoma ProteinRNA InterferenceAtaxia Telangiectasia Mutated ProteinsATM protein, humanCell Cycle ProteinsCheckpoint Kinase 1Checkpoint Kinase 2CHEK1 protein, humanCHEK2 protein, humanDNA-Binding ProteinsDNA PrimersE2F1 Transcription FactorProtein KinasesProtein Serine-Threonine KinasesRetinoblastoma ProteinSerineTumor Suppressor Proteins

Identifiers

PMID17380128
PMCPMC1852778
OpenAlexW2110160400

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.