期刊
NEUROSCIENCE
卷 162, 期 4, 页码 1232-1243出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neuroscience.2009.05.009
关键词
luteolin; amyloid beta peptide; blood-brain barrier; neurovascular unit
资金
- Chinese High Technological Project [2004AA2Z3782]
- National Natural Science Foundation of China [30472015, 30772749]
- National Young Researcher Fund Project [2006QN42]
Luteolin (3',4',5,7-tetrahydroxyflavone) is an important member of the flavonoid family. It exhibits strongly anti-inflammatory, antioxidant and phytoestrogen-like activities. In the present study, we examined the anti-amnesic and protective effects of luteolin against A beta(25-35)-induced toxicity in mice. Mice were given an i.c.v. injection of aggregated A beta(25-35) peptide. The learning and memory impairments, ultrastructural changes of cerebral cortex, cerebrovascular dysfunction and neuronal changes were detected after oral administration of luteolin continuously for 8 days. Our results demonstrate that oral administration of luteolin for 8 days for those A beta(25-35)-induced amnesic mice conferred robust neurovascular protection in A beta(25-35)-induced amnesia, involving the improvement of the spatial learning and memory capabilities, the modulation of microvascular function, the increase of regional cerebral blood flow values, the clearance of reactive oxygen species, the improvement of cholinergic neuronal system, and the increase of brain-derived neurotrophic factor level and its receptor tyrosine kinase B expression in cerebral cortex. (C) 2009 IBRO. Published by Elsevier Ltd. All rights reserved.
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