Journal
CELL STEM CELL
Volume 27, Issue 5, Pages 784-+Publisher
CELL PRESS
DOI: 10.1016/j.stem.2020.07.013
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Funding
- NIH [1S10RR027814, 1R01AR070178-01, P01 GM75334]
- Venture Phase 1A Award from the Georgia Research Alliance
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Brown adipocytes (BAs) are a potential cell source for the treatment of metabolic disease, including type 2 diabetes. In this report, human pluripotent stem cells (hPSCs) are subject to directed differentiation through a paraxial mesoderm progenitor state that generates BAs at high efficiency. Molecular analysis identifies potential regulatory networks for BA development, giving insight into development along this lineage. hPSC-derived BAs undergo elevated rates of glycolysis, uncoupled respiration, and lipolysis that are responsive to changes in cyclic AMP (cAMP)-dependent signaling, consistent with metabolic activity in BA tissue depots. Transplanted human BAs engraft into the inter-scapular region of recipient mice and exhibit thermogenic activity. Recipient animals have elevated metabolic activity, respiratory exchange ratios, and wholebody energy expenditure. Finally, transplanted BAs reduce circulating glucose levels in hyperglycemic animals. These data provide a roadmap for brown adipocyte development and indicate that BAs generated from hPSCs have potential as a tool for therapeutic development.
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