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  4. An overview of Alzheimer's disease
 
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An overview of Alzheimer's disease

Journal
Journal of the Chinese Institute of Chemical Engineers
Journal Volume
36
Journal Issue
6
Pages
533-559
Date Issued
2005
Author(s)
Wang S.S.-S.  
Good T.A.
URI
https://scholars.lib.ntu.edu.tw/handle/123456789/406768
URL
https://www.scopus.com/inward/record.uri?eid=2-s2.0-32344453133&partnerID=40&md5=e5f67bf4b8e14f0589ddda83aedb9778
Abstract
More than twenty different human proteins can fold abnormally resulting in the formation of pathological deposits and several feared degenerative diseases. These proteins lack primary sequence homology, yet they can self-assemble into fibrils with a characteristic cross £]-sheet structure. Among them, £]-amyloid of Alzheimer's disease is the best characterized. £]-amyloid is the principal protein component of senile plaques seen in the brains of individuals diagnosed with Alzheimer's disease and is implicated in the neurotoxicity associated with the disease. Although Alzheimer's disease has been the center of intense research, much remains to be learned concerning the role of £]-amyloid and the toxicity mechanisms that mediate its biological responses. In the current review, the general background information on Alzheimer's disease and £]-amyloid are first presented. Next, attention is focused on the relevant research works regarding structural aspect and molecular features of A£] species as well as £]-amyloid fribrillogenesis/ aggregation process. Importantly, an emerging issue that an oligomeric intermediate is the primary toxic £]-amyloid species is also discussed. Lastly, several £]-amyloid-induced toxicity mechanisms are proposed and reviewed. It is our belief that the advances in basic understanding of the conformational changes as well as biological functions of £]-amyloid and £]-amyloid-elicited toxicity mechanisms will shed light on the development and/or design of potential interfering agents against amyloid formation associated with Alzheimer's disease.
Subjects
£]-amyloid
Aggregation
Alzheimer's disease
Amyloidosis
Fibril
SDGs

[SDGs]SDG3

Other Subjects
Brain; Diagnosis; Molecular biology; Pathology; Proteins; Toxicity; Alzheimer disease; Fibril; Neurotoxicity; Pathological deposits; Primary sequence homology; Diseases; Brain; Diagnosis; Diseases; Molecular biology; Pathology; Proteins; Toxicity
Type
review

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