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Alzheimer's disease and statins Kazuhiro Ishii 1 , Akira Tamaoka 1 1Graduate School of Comprehensive Human Sciences, University of Tsukuba Keyword: 多面的効果 , pleiotrophic effect , アミロイドβ蛋白 , βamyloid , コレステロール , cholesterol pp.453-459
Published Date 2005/6/10
DOI https://doi.org/10.11477/mf.1431100062
  • Abstract
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The principal pathogenesis in Alzheimer's disease(AD) is the abnormal accumulation of amyloid-β(Aβ), called senile plaques. There is increasing evidence linking cholesterol, Aβ and AD in clinical, epidemiological and laboratory studies. Cholesterol metabolism and related factors play an important role in view of sporadic AD. HMG-CoA reductase is the rate-limiting enzyme for cholesterol synthesis and its inhibitor called ‘statins’ blocks the production of cholesterol in cell, lowering cholesterol levels in plasma and the brain. Preliminary studies show possible therapeutic effects of statins for AD, expecting the reduction of amyloidgenesis. However, very few papers have revealed any influence by statins on the concentration of Aβ protein in plasma or cerebrospinal fluid. Moreover, clinical studies have found no confirmed evidence that statins reduce the incidence of AD. At this time, we need more well-designed, longterm prospective, placebo-controlled, randomised studies on AD and statins. Until such data are available, it will be hard to use statins as drugs having a pleiotropic effect as AD therapeutic compounds.


Copyright © 2005, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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