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Cerebrospinal fluid Aβ40 and Aβ42: natural course and clinical usefulness. Mikio SHOJI 1 1Department of Neurology, Division of Neuroscience, Biophysical Science, Okayama University Graduate School of Medicine and Dentistry Keyword: Aβ40 , Aβ42 , 脳脊髄液 , 自然経過 , 診断マーカー pp.819-825
Published Date 2002/12/10
DOI https://doi.org/10.11477/mf.1431901432
  • Abstract
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Amyloid β protein 40 (Aβ40) and 42 Aβ42, major components of senile plaque amyloids, are physiological peptides present in the brain, cerebrospinal fluid (CSF) and plasma. The levels of CSF Aβ40 and Aβ42 (43) show a U-shaped natural course in normal aging. The increase of Aβ42 (43) over 60 years of age is inhibited in Alzheimer's disease (AD). This specific alteration of CSF Aβ42 (43) correlates with Aβ deposits in the AD brain providing a biological basis for a biomarker of AD.


Copyright © 2002, 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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