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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
1
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pubmed:dateCreated |
2009-11-25
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pubmed:abstractText |
It has been extensively reported that diabetes mellitus (DM) patients have a higher risk of developing Alzheimer's disease (AD), but a mechanistic connection between both pathologies has not been provided so far. Carbohydrate-derived advanced glycation endproducts (AGEs) have been implicated in the chronic complications of DM and have been reported to play an important role in the pathogenesis of AD. The earliest histopathological manifestation of AD is the apparition of extracellular aggregates of the amyloid beta peptide (Abeta). To investigate possible correlations between AGEs and Abeta aggregates with both pathologies, we have performed an immuhistochemical study in human post-mortem samples of AD, AD with diabetes (ADD), diabetic and nondemented controls. ADD brains showed increased number of Abeta dense plaques and receptor for AGEs (RAGE)-positive and Tau-positive cells, higher AGEs levels and major microglial activation, compared to AD brain. Our results indicate that ADD patients present a significant increase of cell damage through a RAGE-dependent mechanism, suggesting that AGEs may promote the generation of an oxidative stress vicious cycle, which can explain the severe progression of patients with both pathologies.
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Amyloid beta-Peptides,
http://linkedlifedata.com/resource/pubmed/chemical/Glycosylation End Products, Advanced,
http://linkedlifedata.com/resource/pubmed/chemical/MAPT protein, human,
http://linkedlifedata.com/resource/pubmed/chemical/Peptide Fragments,
http://linkedlifedata.com/resource/pubmed/chemical/Plant Lectins,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Immunologic,
http://linkedlifedata.com/resource/pubmed/chemical/Thiazoles,
http://linkedlifedata.com/resource/pubmed/chemical/advanced glycosylation end-product...,
http://linkedlifedata.com/resource/pubmed/chemical/amyloid beta-protein (1-40),
http://linkedlifedata.com/resource/pubmed/chemical/tau Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/thioflavin T,
http://linkedlifedata.com/resource/pubmed/chemical/tomato lectin
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pubmed:status |
MEDLINE
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pubmed:month |
Jan
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pubmed:issn |
1095-953X
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pubmed:author |
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pubmed:issnType |
Electronic
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pubmed:volume |
37
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
67-76
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pubmed:dateRevised |
2010-11-18
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pubmed:meshHeading |
pubmed-meshheading:19778613-Adult,
pubmed-meshheading:19778613-Aged,
pubmed-meshheading:19778613-Aged, 80 and over,
pubmed-meshheading:19778613-Alzheimer Disease,
pubmed-meshheading:19778613-Amyloid beta-Peptides,
pubmed-meshheading:19778613-Brain,
pubmed-meshheading:19778613-Cell Count,
pubmed-meshheading:19778613-Diabetes Mellitus,
pubmed-meshheading:19778613-Female,
pubmed-meshheading:19778613-Fluorescent Antibody Technique,
pubmed-meshheading:19778613-Glycosylation End Products, Advanced,
pubmed-meshheading:19778613-Humans,
pubmed-meshheading:19778613-Immunohistochemistry,
pubmed-meshheading:19778613-Male,
pubmed-meshheading:19778613-Microglia,
pubmed-meshheading:19778613-Middle Aged,
pubmed-meshheading:19778613-Peptide Fragments,
pubmed-meshheading:19778613-Plant Lectins,
pubmed-meshheading:19778613-Plaque, Amyloid,
pubmed-meshheading:19778613-Receptors, Immunologic,
pubmed-meshheading:19778613-Thiazoles,
pubmed-meshheading:19778613-tau Proteins
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pubmed:year |
2010
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pubmed:articleTitle |
Immunohistochemical analysis of human brain suggests pathological synergism of Alzheimer's disease and diabetes mellitus.
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pubmed:affiliation |
Department of Biochemistry and Molecular Biology, School of Medicine, Neuroscience Institute, Autonomous University of Barcelona, Bellaterra-08193, Barcelona, Spain. tonyvalente@gmail.com
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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