Journal
CELL REPORTS
Volume 26, Issue 10, Pages 2720-+Publisher
CELL PRESS
DOI: 10.1016/j.celrep.2019.02.015
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Funding
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB13030000]
- Natural Science Foundation of China (NSFC) [91649108]
- Chinese Academy of Sciences-Novo Nordisk Foundation
- Chinese Academy of Sciences 1000 Talents'' recruitment program
- UK Royal Society
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The relation between gut microbiota and the host has been suggested to benefit metabolic homeostasis. Brown adipose tissue (BAT) and beige adipocytes facilitate thermogenesis to maintain host core body temperature during cold exposure. However, the potential impact of gut microbiota on the thermogenic process is confused. Here, we evaluated how BAT and white adipose tissue (WAT) responded to temperature challenges in mice lacking gut microbiota. We found that microbiota depletion via treatment with different cocktails of antibiotics (ABX) or in germfree (GF) mice impaired the thermogenic capacity of BAT by blunting the increase in the expression of uncoupling protein 1 (UCP1) and reducing the browning process of WAT. Gavage of the bacterial metabolite butyrate increased the thermogenic capacity of ABX-treated mice, reversing the deficit. Our results indicate that gut microbiota contributes to upregulated thermogenesis in the cold environment and that this may be partially mediated via butyrate.
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