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β-sheet breaker peptides inhibit fibrillogenesis in a rat brain model of amyloidosis: Implications for Alzheimer's therapy

β-sheet breaker peptides inhibit fibrillogenesis in a rat brain model of amyloidosis:... Inhibition of cerebral amyloid β-protein deposition seems to be an important target for Alzheimer's disease therapy. Amyloidogenesis could be inhibited by short synthetic peptides designed as β-sheet breakers. Here we demonstrate a 5-residue peptide that inhibits amyloid βprotein fibrillogenesis, disassembles preformed fibrils in vitro and prevents neuronal death induced by fibrils in cell culture. In addition, the β-sheet breaker peptide significantly reduces amyloid βprotein deposition in vivo and completely blocks the formation of amyloid fibrils in a rat brain model of amyloidosis. These findings may provide the basis for a new therapeutic approach to prevent amyloidosis in Alzheimer's disease. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Medicine Springer Journals

β-sheet breaker peptides inhibit fibrillogenesis in a rat brain model of amyloidosis: Implications for Alzheimer's therapy

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References (31)

Publisher
Springer Journals
Copyright
Copyright © 1998 by Nature Publishing Group
Subject
Biomedicine; Biomedicine, general; Cancer Research; Metabolic Diseases; Infectious Diseases; Molecular Medicine; Neurosciences
ISSN
1078-8956
eISSN
1546-170X
DOI
10.1038/nm0798-822
Publisher site
See Article on Publisher Site

Abstract

Inhibition of cerebral amyloid β-protein deposition seems to be an important target for Alzheimer's disease therapy. Amyloidogenesis could be inhibited by short synthetic peptides designed as β-sheet breakers. Here we demonstrate a 5-residue peptide that inhibits amyloid βprotein fibrillogenesis, disassembles preformed fibrils in vitro and prevents neuronal death induced by fibrils in cell culture. In addition, the β-sheet breaker peptide significantly reduces amyloid βprotein deposition in vivo and completely blocks the formation of amyloid fibrils in a rat brain model of amyloidosis. These findings may provide the basis for a new therapeutic approach to prevent amyloidosis in Alzheimer's disease.

Journal

Nature MedicineSpringer Journals

Published: Jul 1, 1998

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