期刊
LIFE SCIENCES
卷 91, 期 23-24, 页码 1141-1147出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.lfs.2012.05.020
关键词
Intracellular Abeta; Amyloid precursor protein; Abeta amyloid peptides; Alzheimer's disease; Down syndrome
In this review we highlight the evidence for an intracellular origin of Abeta (A(3) amyloid peptides as well as the observations for a pathological accumulation of these peptides in Alzheimer's disease and Down syndrome, as well as in transgenic animal models. We deliberate on the controversy as to whether the intracellular A beta immunoreactive material is simply an accumulation of unprocessed full length amyloid precursor protein (APP) or a mix of processed APP fragments including A beta. Finally, we discuss the possible pathological significance of these intracellular APP fragments and the expected future research directions regarding this thought-provoking problem. (C) 2012 Elsevier Inc. All rights reserved.
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