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Accession IconGSE92926

Comparative profiling of cortical gene expression in Alzheimer's disease patients and mouse models demonstrates a link between amyloidosis and neuroinflammation

Organism Icon Mus musculus
Sample Icon 12 Downloadable Samples
Technology Badge Icon Affymetrix Mouse Gene 2.0 ST Array (mogene20st)

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Description
Alzheimer's disease (AD) is the most common form of dementia, characterized by accumulation of amyloid beta (Abeta) and neurofibrillary tangles. Oxidative stress and inflammation are considered to play an important role in the development and progression of AD. However, the extent to which these events contribute to the Abeta pathologies remains unclear. We performed inter-species comparative gene expression profiling between AD patient brains and the App (NL-G-F/NL-G-F) and 3xTg-AD-H mouse models. Genes commonly altered in App (NL-G-F/NL-G-F) and human AD cortices correlated with the inflammatory response or immunological disease. Among them, expression of AD-related genes (C4a/C4b, Cd74, Ctss, Gfap, Nfe2l2, Phyhd1, S100b, Tf, Tgfbr2, and Vim) was increased in the App (NL-G-F/NL-G-F) cortex as Abeta amyloidosis progressed with exacerbated gliosis, while genes commonly altered in the 3xTg-AD-H and human AD cortices correlated with neurological disease. The App (NL-G-F/NL-G-F) cortex also had altered expression of genes (Abi3, Apoe, Bin2, Cd33, Ctsc, Dock2, Fcer1g, Frmd6, Hck, Inpp5D, Ly86, Plcg2, Trem2, Tyrobp) defined as risk factors for AD by genome-wide association study or identified as genetic nodes in late-onset AD. These results suggest a strong correlation between cortical Abeta amyloidosis and the neuroinflammatory response and provide a better understanding of the involvement of gender effects in the development of AD.
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