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Updated: Apr 10, 2026

Isolation and Differentiation of Stromal Vascular Cells to Beige/Brite Cells
Published on: March 28, 2013
UCP1 and CKB are parallel players in BAT.
Meng Dong1, Ziyu Cheng2, Wanzhu Jin2
1Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, 1 West Beichen Road No. 5, Chaoyang District, Beijing 100101, China.
Adaptive thermogenesis in brown adipose tissue is regulated by both UCP1 and CKB pathways working in parallel, challenging the view that UCP1-independent routes are secondary.
Area of Science:
- Physiology
- Metabolism
- Adipose Tissue Biology
Background:
- Brown adipose tissue (BAT) is crucial for thermogenesis.
- Uncoupling protein 1 (UCP1) is considered the primary mediator of BAT thermogenesis.
- The role of UCP1-independent pathways in adaptive thermogenesis is often considered secondary.
Purpose of the Study:
- To investigate the regulatory mechanisms of adaptive thermogenesis in BAT.
- To determine the relative contributions of UCP1-dependent and UCP1-independent pathways.
- To elucidate the role of creatine kinase B (CKB) in BAT thermogenesis.
Main Methods:
- In vivo studies in animal models.
- Assessment of thermogenic responses.
- Analysis of gene and protein expression related to thermogenesis.
- Metabolic flux analysis.
Main Results:
- Adaptive thermogenesis in BAT is regulated by parallel pathways.
- Both UCP1 and CKB play significant roles in regulating BAT thermogenesis.
- UCP1-independent pathways, involving CKB, contribute significantly to adaptive thermogenesis.
Conclusions:
- Adaptive thermogenesis in brown adipose tissue is not solely dependent on UCP1.
- UCP1 and CKB-mediated pathways operate in parallel to regulate BAT thermogenesis.
- These findings highlight the importance of UCP1-independent pathways in energy homeostasis.
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