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19 April 2024
 
  » pubmed » pmid2111583

 Article overview


Cleavage of amyloid beta peptide during constitutive processing of its precursor
F S Esch ; P S Keim ; E C Beattie ; R W Blacher ; A R Culwell ; T Oltersdorf ; D McClure ; P J Ward ;
Date 1 Jun 1990
Journal Science, 248 (4959), 1122-4
AbstractThe amyloid beta peptide (A beta P) is a small fragment of the much larger, broadly distributed amyloid precursor protein (APP). Abundant A beta P deposition in the brains of patients with Alzheimer’s disease suggests that altered APP processing may represent a key pathogenic event. Direct protein structural analyses showed that constitutive processing in human embryonic kidney 293 cells cleaves APP in the interior of the A beta P, thus preventing A beta P deposition. A deficiency of this processing event may ultimately prove to be the etiological event in Alzheimer’s disease that gives rise to senile plaque formation.
Source PubMed, pmid2111583
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