期刊
JOURNAL OF FUNCTIONAL FOODS
卷 99, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jff.2022.105305
关键词
Neuroinflammation; Depression; Luteolin; Microglia
资金
- Yantai Double-hundred Talent Plan and Basic Public Welfare Research Project of Zhe-jiang Province
- [LGF18H250003]
Luteolin inhibits neuroinflammation and alleviates depression-like behavior by upregulating A20 and Nrf2.
Microglia-mediated neuroinflammation is closely related to depression. Many studies have shown that the NF-KB pathway was involved in the anti-neuroinflammatory effects of luteolin. However, more detailed molecular mechanisms should be further studied. In this study, our data indicated that luteolin inhibited neuroinflammation and alleviated depression-like behavior in a lipopolysaccharide (LPS)-induced mouse model. Further investigation revealed that luteolin increased the expression of A20 and Nrf2 and decreased the expression of TRAF6 while removing K63-linked polyubiquitin chains from TRAF6. Knockdown treatment using siRNA-A20 or Nrf2 reversed the effects of luteolin on neuroinflammation. This study explored the novel mechanism by which luteolin exerted anti-neuroinflammatory and antidepressant-like effects in a lipopolysaccharide-induced mouse model, which might be related to the upregulation of A20 and Nrf2. Notably, A20 exerted its function as a downstream factor of Nrf2. This study provides evidence for the potential application of luteolin in the prevention and treatment of neuroinflammation and depression.
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