Evidence map›Paper›PMID 20801874›Full record

ArticleThe Journal of biological chemistry2010

Proline isomerase Pin1 represses terminal differentiation and myocyte enhancer factor 2C function in skeletal muscle cells.

Alessandro Magli, Cecilia Angelelli, Massimo Ganassi, Fiorenza Baruffaldi, Vittoria Matafora, Renata Battini, Angela Bachi, Graziella Messina, Alessandra Rustighi, Giannino Del Sal and 2 more

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
1.2field-weighted citation impact, top 23% 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

20 citing papers in PubMed, 31 citations in OpenAlex.

  1. Article
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  7. Pinning Down the Transcription: A Role for Peptidyl-ProlylFrontiers in cell and developmental biology · 2020
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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

12 authors at 3 institutions in 1 country.

Alessandro MagliDepartment of Biomedical Sciences, University of Modena and Reggio Emilia, 41100 Modena, Italy.
Cecilia Angelelli
Massimo Ganassi
Fiorenza Baruffaldi
Vittoria Matafora
Renata Battini
Angela Bachi
Graziella Messina
Alessandra Rustighi
Giannino Del Sal
Stefano Ferrari
Susanna Molinari
University of Modena and Reggio Emilia · ITUniversity of Trieste · ITUniversity of Milan · IT

Funding

Telethon GGP07185
6 · The paper itself

Abstract

Reversible proline-directed phosphorylation at Ser/Thr-Pro motifs has an essential role in myogenesis, a multistep process strictly regulated by several signaling pathways that impinge on two families of myogenic effectors, the basic helix-loop-helix myogenic transcription factors and the MEF2 (myocyte enhancer factor 2) proteins. The question of how these signals are deciphered by the myogenic effectors remains largely unaddressed. In this study, we show that the peptidyl-prolyl isomerase Pin1, which catalyzes the isomerization of phosphorylated Ser/Thr-Pro peptide bonds to induce conformational changes of its target proteins, acts as an inhibitor of muscle differentiation because its knockdown in myoblasts promotes myotube formation. With the aim of clarifying the mechanism of Pin1 function in skeletal myogenesis, we investigated whether MEF2C, a critical regulator of the myogenic program that is the end point of several signaling pathways, might serve as a/the target for the inhibitory effects of Pin1 on muscle differentiation. We show that Pin1 interacts selectively with phosphorylated MEF2C in skeletal muscle cells, both in vitro and in vivo. The interaction with Pin1 requires two novel critical phospho-Ser/Thr-Pro motifs in MEF2C, Ser(98) and Ser(110), which are phosphorylated in vivo. Overexpression of Pin1 decreases MEF2C stability and activity and its ability to cooperate with MyoD to activate myogenic conversion. Collectively, these findings reveal a novel role for Pin1 as a regulator of muscle terminal differentiation and suggest that Pin1-mediated repression of MEF2C function could contribute to this function.

Indexed as

Cell ProliferationAnimalsCell LineChlorocebus aethiopsCOS CellsHumansMEF2 Transcription FactorsMiceMuscle DevelopmentMuscle Fibers, SkeletalMyoD ProteinMyogenic Regulatory FactorsNIMA-Interacting Peptidylprolyl IsomerasePeptidesPeptidylprolyl IsomerasePhosphorylationMef2c protein, mouseMEF2 Transcription FactorsMyoD1 myogenic differentiation proteinMyoD ProteinMyogenic Regulatory FactorsNIMA-Interacting Peptidylprolyl IsomerasePeptidesPeptidylprolyl IsomerasePIN1 protein, humanPin1 protein, mouse

Identifiers

PMID20801874
PMCPMC2966067
OpenAlexW2004415979

What OpenQuestion holds

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LicenceCC BY-NC
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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.