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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
7
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pubmed:dateCreated |
1998-8-14
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pubmed:abstractText |
Neuronal injury associated with amyloid plaque progression in Alzheimer disease was examined using TUNEL combined with beta-amyloid immunolabeling. There was a progressive increase in the frequency of TUNEL-positive neurons associated with plaque types representing a hypothesized sequence of plaque evolution, from 20% of neurons not associated with plaques to 40%, 70-80%, and 100% of neurons in diffuse, neuritic, and dense-core non-neuritic plaques, respectively. The total number of neurons associated with end-stage, dense-core, non-neuritic plaques declined by 70% (per unit plaque area) compared with neuritic plaque forms. This decline, together with the fact that virtually all of those remaining were TUNEL-positive, suggests that neuronal cell damage increases as plaques evolve from diffuse to more complex forms and that eventually all plaque-associated neurons are lost. This novel demonstration of neurotoxicity associated with amyloid plaque formation and progression suggests that plaque-associated neuronal injury is a major cause of neuronal loss in Alzheimer disease.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
0022-3069
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
57
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
714-7
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pubmed:dateRevised |
2010-11-18
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pubmed:meshHeading |
pubmed-meshheading:9690675-Aged,
pubmed-meshheading:9690675-Aged, 80 and over,
pubmed-meshheading:9690675-Alzheimer Disease,
pubmed-meshheading:9690675-Amyloid beta-Peptides,
pubmed-meshheading:9690675-Apoptosis,
pubmed-meshheading:9690675-Brain,
pubmed-meshheading:9690675-Female,
pubmed-meshheading:9690675-Humans,
pubmed-meshheading:9690675-Male,
pubmed-meshheading:9690675-Neurons,
pubmed-meshheading:9690675-Plaque, Amyloid
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pubmed:year |
1998
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pubmed:articleTitle |
Progressive neuronal injury associated with amyloid plaque formation in Alzheimer disease.
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pubmed:affiliation |
Department of Geriatrics, University of Arkansas for Medical Sciences, Little Rock 72205, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.
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