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Journal Articles Experimental Cell Research Year : 2022

Emergence of heart and branchiomeric muscles in cardiopharyngeal mesoderm

Abstract

Branchiomeric muscles of the head and neck originate in a population of cranial mesoderm termed cardiopharyngeal mesoderm that also contains progenitor cells contributing to growth of the embryonic heart. Retrospective lineage analysis has shown that branchiomeric muscles share a clonal origin with parts of the heart, indicating the presence of common heart and head muscle progenitor cells in the early embryo. Genetic lineage tracing and functional studies in the mouse, as well as in Ciona and zebrafish, together with recent experiments using single cell transcriptomics and multipotent stem cells, have provided further support for the existence of bipotent head and heart muscle progenitor cells. Current challenges concern defining where and when such common progenitor cells exist in mammalian embryos and how alternative myogenic derivatives emerge in cardiopharyngeal mesoderm. Addressing these questions will provide insights into mechanisms of cell fate acquisition and the evolution of vertebrate musculature, as well as clinical insights into the origins of muscle restricted myopathies and congenital defects affecting craniofacial and cardiac development.
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Dates and versions

hal-03632722 , version 1 (01-02-2023)

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Fabienne Lescroart, Camille Dumas, Noritaka Adachi, Robert Kelly. Emergence of heart and branchiomeric muscles in cardiopharyngeal mesoderm. Experimental Cell Research, 2022, 410 (1), pp.112931. ⟨10.1016/j.yexcr.2021.112931⟩. ⟨hal-03632722⟩
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