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- W4378903669 abstract "The energy-burning capability of beige adipose tissue is a potential therapeutic tool for reducing obesity and metabolic disease, but this capacity is decreased by aging. Here, we evaluate the impact of aging on the profile and activity of adipocyte stem and progenitor cells (ASPCs) and adipocytes during the beiging process. We found that aging increases the expression of Cd9 and other fibrogenic genes in fibroblastic ASPCs and blocks their differentiation into beige adipocytes. Fibroblastic ASPC populations from young and aged mice were equally competent for beige differentiation in vitro, suggesting that environmental factors suppress adipogenesis in vivo. Examination of adipocytes by single nucleus RNA-sequencing identified compositional and transcriptional differences in adipocyte populations with age and cold exposure. Notably, cold exposure induced an adipocyte population expressing high levels of de novo lipogenesis (DNL) genes, and this response was severely blunted in aged animals. We further identified natriuretic peptide clearance receptor Npr3, a beige fat repressor, as a marker gene for a subset of white adipocytes and an aging-upregulated gene in adipocytes. In summary, this study indicates that aging blocks beige adipogenesis and dysregulates adipocyte responses to cold exposure and provides a unique resource for identifying cold and/or aging-regulated pathways in adipose tissue." @default.
- W4378903669 created "2023-06-01" @default.
- W4378903669 creator A5085687728 @default.
- W4378903669 date "2023-05-31" @default.
- W4378903669 modified "2023-10-03" @default.
- W4378903669 title "eLife assessment: Aging impairs cold-induced beige adipogenesis and adipocyte metabolic reprogramming" @default.
- W4378903669 doi "https://doi.org/10.7554/elife.87756.1.sa0" @default.
- W4378903669 hasPublicationYear "2023" @default.
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