期刊
NEUROREPORT
卷 33, 期 8, 页码 327-335出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/WNR.0000000000001783
关键词
Alzheimer's disease; inflammation; microglia; quercitrin
资金
- National Natural Science Foundation of China [82073726]
Quercitrin improves cognitive impairment in Alzheimer's disease model mice by alleviating the intensity of inflammatory response and reducing the accumulation of amyloid-beta plaques.
Objective Diets rich in quercitrin show a neuroprotective effect, but the mechanism is not very clear at present. The objective of this study is to explore the effect and mechanism of quercitrin in the treatment of alzheimer's disease (AD). Methods 5XFAD transgenic mice were fed with a diet supplemented with quercitrin for three consecutive months. Behavioral experiments were conducted to assess the cognitive ability, luminex liquid chip technology was used to assess the production of proinflammatory cytokines and immunohistochemistry was used to elucidate the activation of microglia. Results Quercitrin increased the frequency in exploring new objects, shortened the escape latency and increased the frequency crossing the platform in AD model mice. Quercitrin inhibited the activation and proliferation of microglia, inhibited the secretion of inflammatory cytokines and chemokines and reduced the accumulation of amyloid-beta plaques in AD model mice. Conclusion Quercitrin improved mice cognitive impairment through alleviating the intensity of inflammatory response and is a promising medicinal plant extract in the treatment of AD.
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