Reversing Pdgfrβ signaling restores metabolically active beige adipocytes by alleviating ILC2 suppression in aged and obese mice.
Abstract
Platelet Derived Growth Factor Receptor Beta (Pdgfrβ) suppresses the formation of cold temperature-induced beige adipocytes in aged mammals. We aimed to determine if deleting Pdgfrβ in aged mice could rejuvenate metabolically active beige adipocytes by activating group 2 innate lymphoid cells (ILC2), and whether this effect could counteract diet-induced obesity-associated beige fat decline.
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Research summary
The paper investigates the role of Pdgfrβ in the formation of beige adipocytes, which are associated with metabolic health and aging. By focusing on the rejuvenation of these adipocytes in aged mice, the research addresses a potential mechanism related to age-related metabolic decline. However, while the findings are solid and contribute to the understanding of adipocyte biology in the context of aging, the impact is limited as it primarily explores a specific signaling pathway without broader implications for lifespan extension or addressing root causes of aging.
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