Nature Communications (Jun 2021)

Unexpected contribution of fibroblasts to muscle lineage as a mechanism for limb muscle patterning

  • Joana Esteves de Lima,
  • Cédrine Blavet,
  • Marie-Ange Bonnin,
  • Estelle Hirsinger,
  • Glenda Comai,
  • Laurent Yvernogeau,
  • Marie-Claire Delfini,
  • Léa Bellenger,
  • Sébastien Mella,
  • Sonya Nassari,
  • Catherine Robin,
  • Ronen Schweitzer,
  • Claire Fournier-Thibault,
  • Thierry Jaffredo,
  • Shahragim Tajbakhsh,
  • Frédéric Relaix,
  • Delphine Duprez

DOI
https://doi.org/10.1038/s41467-021-24157-x
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 17

Abstract

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The dogma is that limb muscle cells originate from somite, while connective tissue fibroblasts derive from lateral plate mesoderm. Here the authors identify a fibroblast population that undergoes myoblast conversion in response to BMP and contributes nuclei to myotubes at the myotendinous junction.