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Updated: Aug 14, 2026

Isolation and Differentiation of Stromal Vascular Cells to Beige/Brite Cells
Published on: March 28, 2013
Dexamethasone-induced whitening of rabbit brown adipose tissue: leptin resistance and mitochondrial dysfunction
Xiaoqin Tang1, Beibei Zhang2, Puhang Xie2
1College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China.
Background:
Research on the effects of exogenous glucocorticoids on brown adipose tissue (BAT) is crucial for understanding how these hormones can induce metabolic disorders such as obesity. In this study, we explored the effects of glucocorticoids, specifically dexamethasone (Dex), on the metabolic transformation of BAT to white adipose tissue (WAT).
Results:
Our results indicate a significant whitening shift in BAT upon Dex treatment, characterized by increased lipid deposition, decreased mitochondrial density, a significant decline in cellular ATP content, and reduced expression of mitochondrial markers. We demonstrate the crucial role of leptin resistance in mediating mitochondrial function through the overexpression and inhibition of LEPR.
Conclusions:
Our results suggest the role of leptin resistance in regulating of mitochondrial biogenesis and energy metabolism in glucocorticoid-induced brown adipose whiteness.
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