Journal
CELL METABOLISM
Volume 27, Issue 5, Pages 954-961Publisher
CELL PRESS
DOI: 10.1016/j.cmet.2018.04.006
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Funding
- Ministerio de Economia y Competitividad (MINECO), Spain [SAF2017-85722-R, PI17/00420]
- European Regional Development Fund (ERDF)
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Immune cells were recently found to have an unexpected involvement in controlling the thermogenic activity of brown and beige adipose tissue. Here, we review how macrophages, eosinophils, type 2 innate lymphoid cells, and T lymphocytes are linked to this process. In particular, the recruitment of alternatively activated macrophages and eosinophils is associated with brown fat activation and white fat browning. Conversely, pro-inflammatory immune cell recruitment represses the thermogenic activity of brown and beige adipose tissues via cytokines that inhibit noradrenergic signaling. Macrophages also influence the noradrenergic tone by degrading norepinephrine locally and by inhibiting sympathetic innervation over time.
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