Evidence map›Paper›PMID 15277541›Full record

ArticleThe Journal of cell biology2004

Muscle satellite cells adopt divergent fates: a mechanism for self-renewal?

Peter S Zammit, Jon P Golding, Yosuke Nagata, Valérie Hudon, Terence A Partridge, Jonathan R Beauchamp

Abstract read
In one paragraph

Article in The Journal of cell biology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 448 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
448citing papers in PubMed, 3 pooled it
–field-weighted citation impact
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

448 citing papers in PubMed, 3 syntheses or guidelines pooled it.

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  20. Grb2/Sos1 signaling regulates the number of reserve cells in C2C12 cell culture.In vitro cellular & developmental biology. Animal · 2026
    Article

388 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

6 authors.

Peter S ZammitMuscle Cell Biology Group, Medical Research Council Clinical Sciences Centre, Faculty of Medicine, Imperial College, Hammersmith Hospital Campus, Du Cane Rd., London W12 0NN, UK. peter.zammit@csc.mrc.ac.uk
Jon P Golding
Yosuke Nagata
Valérie Hudon
Terence A Partridge
Jonathan R Beauchamp

Funding

Medical Research Council G113/31
6 · The paper itself

Abstract

Growth, repair, and regeneration of adult skeletal muscle depends on the persistence of satellite cells: muscle stem cells resident beneath the basal lamina that surrounds each myofiber. However, how the satellite cell compartment is maintained is unclear. Here, we use cultured myofibers to model muscle regeneration and show that satellite cells adopt divergent fates. Quiescent satellite cells are synchronously activated to coexpress the transcription factors Pax7 and MyoD. Most then proliferate, down-regulate Pax7, and differentiate. In contrast, other proliferating cells maintain Pax7 but lose MyoD and withdraw from immediate differentiation. These cells are typically located in clusters, together with Pax7-ve progeny destined for differentiation. Some of the Pax7+ve/MyoD-ve cells then leave the cell cycle, thus regaining the quiescent satellite cell phenotype. Significantly, noncycling cells contained within a cluster can be stimulated to proliferate again. These observations suggest that satellite cells either differentiate or switch from terminal myogenesis to maintain the satellite cell pool.

Indexed as

AnimalsCell DifferentiationDown-RegulationGenes, ReporterHomeodomain ProteinsMiceMice, TransgenicMyoD ProteinPAX7 Transcription FactorSatellite Cells, Skeletal MuscleHomeodomain ProteinsMyoD ProteinPax7 protein, mousePAX7 Transcription Factor

Identifiers

PMID15277541
PMCPMC2172269

What OpenQuestion holds

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LicenceCC BY-NC-SA
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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.