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Accession IconGSE33101

Gene expression profiles in Sirt1/PPARalpha bigenic mice

Organism Icon Mus musculus
Sample Icon 8 Downloadable Samples
Technology Badge Icon Affymetrix Mouse Genome 430 2.0 Array (mouse4302)

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Description
Cardiac-specific PPARalpha transgenic (Tg-PPARalpha) mice show mild cardiac hypertrophy and systolic dysfunction. The failing heart phenotypes observed in Tg-PPARalpha are exacerbated by crossing with cardiac-specific Sirt1 transgenic (Tg-Sirt1) mice, whereas Tg-Sirt1 mice themselves do not show any cardiac hypertrophy or systolic dysfunction. To investigate the mechanism leading to the failing heart phenotypes in TgPPARalpha/Tg-Sirt1 bigenic mice, microarray analyses were performed. The microarray analyses revealed that many ERR target genes were downregulated in Tg-PPARalpha and in Tg-Sirt1, and they were further downregulated in the Tg-PPARalpha/Tg-Sirt1 bigenic mice.
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