Generation of Functional Brown Adipocytes from Human Pluripotent Stem Cells via Progression through a Paraxial Mesoderm State.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

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 whole-body 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.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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