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Increased mRNA Levels of TCF7L2 and MYC of the Wnt Pathway in Tg-ArcSwe Mice and Alzheimer's Disease Brain.
Uppsala universitet.
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2010 (English)In: International Journal of Alzheimer's Disease, ISSN 2090-8024, E-ISSN 2090-0252, Vol. 2011Article in journal (Refereed) Published
Abstract [en]

Several components in the Wnt pathway, including β-catenin and glycogen synthase kinase 3 beta, have been implied in AD pathogenesis. Here, mRNA brain levels from five-month-old tg-ArcSwe and nontransgenic mice were compared using Affymetrix microarray analysis. With surprisingly small overall changes, Wnt signaling was the most affected pathway with altered expression of nine genes in tg-ArcSwe mice. When analyzing mRNA levels of these genes in human brain, transcription factor 7-like 2 (TCF7L2) and v-myc myelocytomatosis viral oncogene homolog (MYC), were increased in Alzheimer's disease (AD) (P < .05). Furthermore, no clear differences in TCF7L2 and MYC mRNA were found in brains with frontotemporal lobar degeneration, suggesting that altered regulation of these Wnt-related genes could be specific to AD. Finally, mRNA levels of three neurogenesis markers were analyzed. Increased mRNA levels of dihydropyrimidinase-like 3 were observed in AD brain, suggesting that altered Wnt pathway regulation may signify synaptic rearrangement or neurogenesis.

Place, publisher, year, edition, pages
2010. Vol. 2011
National Category
Medical Genetics
URN: urn:nbn:se:du-21597DOI: 10.4061/2011/936580PubMedID: 21234373OAI: oai:DiVA.org:du-21597DiVA: diva2:932880
Available from: 2016-06-02 Created: 2016-06-02 Last updated: 2016-06-02Bibliographically approved

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Skoglund, Lena
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