期刊
CURRENT ALZHEIMER RESEARCH
卷 5, 期 5, 页码 475-480出版社
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/156720508785908874
关键词
Alzheimer's disease; amyloid-beta peptide (A beta(1-42)); A beta(1-42) injection animal model; inflammatory reactivity; pharmacological modulations
资金
- Pacific Alzheimer's Research Foundation
- Michael Smith Memorial Fellowship
Injection of amyloid-beta peptide (A beta(1-42)) into hippocampal and cortical regions of brain may have utility as an animal model of Alzheimer's disease (AD) emphasizing the inflammatory component of disease pathology. This review summarizes recent evidence supporting the relevance of the peptide injection model to describe inflammatory conditions in AD brain. A wide spectrum of responses are considered from effects of A beta(1-42) on animal behavior and cognitive performance to peptide actions at the cellular and molecular levels. In the latter case a particular focus is placed on inflammatory responses mediated by activated microglia. Specific pharmacological modulations of microglial signaling pathways and factors and how they shape patterns of inflammatory reactivity in peptide-injected brain are included. Overall, the considerations for the validity and limitations of A beta(1-42) injection as an animal model for AD pathology are also discussed.
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