Pericyte ontogeny: the use of chimeras to track a cell lineage of diverse germ line origins

Abstract : The goal of lineage tracing is to understand body formation over time by discovering which cells are the progeny of a specific, identified, ancestral progenitor. Subsidiary questions include unequivocal identification of what they have become, how many descendants develop, whether they live or die, and where they are located in the tissue or body at the end of the window examined. A classical approach in experimental embryology, lineage tracing continues to be used in developmental biology, stem cell and cancer research, wherever cellular potential and behavior need to be studied in multiple dimensions, of which one is time. Each technical approach has its advantages and drawbacks. This brief review, with some previously unpublished data, will concentrate non-exclusively on the use of interspecies chimeras to explore the origins of perivascular (or mural) cells, of which those adjacent to the vascular endothelium are termed pericytes for this purpose. These studies laid the groundwork for our understanding that pericytes derive from progenitor mesenchymal pools of multiple origins in the vertebrate embryo, some of which persist into adulthood. The results obtained through xenografting complement and abut those obtained through genetic lineage tracing techniques within a given species.
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https://hal-amu.archives-ouvertes.fr/hal-01586419
Contributeur : Heather Etchevers <>
Soumis le : mardi 12 septembre 2017 - 18:04:25
Dernière modification le : lundi 29 janvier 2018 - 16:48:01
Document(s) archivé(s) le : mercredi 13 décembre 2017 - 18:44:56

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Heather Etchevers. Pericyte ontogeny: the use of chimeras to track a cell lineage of diverse germ line origins. 2017. 〈hal-01586419〉

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