Transcriptomics

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SOX2+ sustentacular cells are stem cells in the postnatal adrenal medulla


ABSTRACT: Renewal of the catecholamine-secreting chromaffin cell population of the adrenal medulla is necessary for physiological homeostasis throughout life. Definitive evidence for the presence or absence of an adrenomedullary stem cell has been enigmatic. In this work, we show that a subpopulation of uncommitted sustentacular cells, previously thought to be support cells, are in fact adrenomedullary stem cells. These postnatal cells express the transcription factor SOX2, and give rise to chromaffin cells of both the adrenaline and noradrenaline lineages in vivo and in vitro. We present comprehensive transcriptomic data of the mouse adrenal medulla as well as of purified SOX2+ adrenomedullary stem cell populations. Through genetic tracing, we show that postnatal stem cells specialise from embryonic Schwann Cell Precursors and identify this population in the normal adult human adrenal medulla.

ORGANISM(S): Mus musculus

PROVIDER: GSE237125 | GEO | 2024/07/13

REPOSITORIES: GEO

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