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β-Amyloid Protein in Alzheimer's Disease
Published online by Cambridge University Press: 18 September 2015
Abstract:
β-amyloid protein, a 42-43 amino acid polypeptide, accumulates abnormally in senile plaques and the cerebral vasculature in Alzheimer's disease. This polypeptide is derived from a membrane-associated precursor which has several isoforms expressed in many tissues. The precursor protein is processed constitutively within the P-amyloid domain, leading to the release of the large β-terminal portion into the extracellular medium, β-amyloid protein may be toxic to certain neuronal cell types and its early deposition may be an important event in the pathogenesis of Alzheimer's disease.
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- Copyright © Canadian Neurological Sciences Federation 1991
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