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Identification of a mesenchymal progenitor cell hierarchy in adipose tissue (scRNA-seq)

ABSTRACT: The healthy growth of adipose tissue depends on the capacity of progenitor cells to undergo denovo adipogenesis. However, the cellular hierarchy and mechanisms governing adipocyteprogenitor differentiation are incompletely understood. Here, we identify a lineage hierarchy25 consisting of distinct mesenchymal cell types present in mouse and human adipose tissue. Cellsmarked by Dpp4 expression are highly proliferative, multipotent progenitors that give rise toIcam1+ committed pre-adipocytes and a related adipogenic population marked by Clec11a andCd142 expression. TGFβ maintains DPP4+ cell identity and inhibits adipogenic commitment ofDPP4+ and CD142+ cells. Intriguingly, DPP4+ progenitors reside in the reticular interstitium that30 envelope many organs including adipose depots. Altogether, this study defines the adipose lineagehierarchy and identifies a new anatomical niche for multipotent mesenchymal progenitors.

ORGANISM(S): Mus musculus Homo sapiens

PROVIDER: GSE128890 | GEO | 2019/05/01

REPOSITORIES: GEO

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