Cited by 505Muscle Physiology and DisordersDevelopmental Biology and Gene RegulationNeurogenesis and neuroplasticity mechanisms

Asymmetric division and cosegregation of template DNA strands in adult muscle satellite cells

Shinin, Vasily, Gayraud-Morel, Barbara, Gomès, Danielle, Tajbakhsh, Shahragim·2006·Nature Cell Biology

Abstract

Satellite cells assure postnatal skeletal muscle growth and repair. Despite extensive studies, their stem cell character remains largely undefined. Using pulse-chase labelling with BrdU to mark the putative stem cell niche, we identify a subpopulation of label-retaining satellite cells during growth and after injury. Strikingly, some of these cells display selective template-DNA strand segregation during mitosis in the muscle fibre in vivo, as well as in culture independent of their niche, indicating that genomic DNA strands are nonequivalent. Furthermore, we demonstrate that the asymmetric cell-fate determinant Numb segregates selectively to one daughter cell during mitosis and before differentiation, suggesting that Numb is associated with self-renewal. Finally, we show that template DNA cosegregates with Numb in label-retaining cells that express the self-renewal marker Pax7. The cosegregation of 'immortal' template DNA strands and their link with the asymmetry apparatus has important implications for stem cell biology and cancer.

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Crossref · 10.1038/ncb1425

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  • Asymmetric chromosome segregation occurs in MuSCs, ISCs, and NSCs.

    “There is mounting evidence of asymmetric chromosome segregation in stem cells such as MuSCs17,18,129, ISCs20,130,131 and NSCs132.”

    From Molecular regulation of stem cell quiescence (2013) · cites this paper as [18]

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Authors
Shinin, V., Gayraud-Morel, B., Gomès, D., & Tajbakhsh, S.
Affiliations
Centre National de la Recherche Scientifique (FR)
Corresponding author
Tajbakhsh, Shahragim
Venue
Nature Cell Biology
Published
2006-06-25
Volume
8
Issue
7
Pages
677-682
ISSN
  • 1465-7392 (ISSN-L)
  • 1476-4679
OpenAlex
W2091757969
Cited by
504
References
51
Citations by year
2026: 7 · 2025: 5 · 2024: 12 · 2023: 8 · 2022: 11 · 2021: 17 · 2020: 11 · 2019: 16 · 2018: 17 · 2017: 15 · 2016: 23 · 2015: 29 · 2014: 28 · 2013: 47 · 2012: 52
FWCI
18.24
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Cell Biology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
satellite cells, asymmetric cell division, Numb, label-retaining cells, stem cell self-renewal, Pax7, skeletal muscle regeneration, mitosis, stem cell niche
MeSH terms
Animals, Bromodeoxyuridine, Cell Transformation, Neoplastic, Cells, Cultured, DNA Replication, DNA, Single-Stranded, Membrane Proteins, Mice, Transgenic, Mitosis, Nerve Tissue Proteins, Regeneration, Muscle, Skeletal, Cell Lineage, Satellite Cells, Skeletal Muscle, Mice, PAX7 Transcription Factor

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