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J Neuroimmunol. 2012 Mar;244(1-2):70-83. doi: 10.1016/j.jneuroim.2012.01.008. Epub 2012 Feb 11.

Combined treatment of Aβ immunization with statin in a mouse model of Alzheimer's disease.

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  • 1Department of Cancer Biology and Pharmacology, University of Illinois College of Medicine at Peoria, Peoria, IL 61656, USA.

Abstract

We evaluated the therapeutic efficacy of combined treatment of Aβ-immunization with simvastatin in an Alzheimer mouse model at age 22 months. DNA prime-adenovirus boost immunization induced modest anti-Aβ titers and simvastatin increased the seropositive rate. Aβ-KLH was additionally administered to boost the titers. Irrespective of simvastatin, the immunization did not decrease cerebral Aβ deposits but increased soluble Aβ and tended to exacerbate amyloid angiopathy in the hippocampus. The immunization increased cerebral invasion of leukocytes and simvastatin counteracted the increase. Thus, modest anti-Aβ titers can increase soluble Aβ and simvastatin may reduce inflammation associated with vaccination in aged Alzheimer mouse models.

Copyright © 2012 Elsevier B.V. All rights reserved.

PMID:
22326143
[PubMed - indexed for MEDLINE]
PMCID:
PMC3298635
Free PMC Article

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