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Accession IconGSE102257

Combined analysis of oligonucleotide microarray data from transgenic and knockout mice identifies directSREBPtarget genes [MG_U74Bv2]

Organism Icon Mus musculus
Sample Icon 10 Downloadable Samples
Technology Badge Icon Affymetrix Murine Genome U74A Version 2 Array (mgu74av2)

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Description
The synthesis of fatty acids and cholesterol is regulated by three membrane-bound transcription factors: sterol regulatory element-binding proteins (SREBP)-1a, -1c, and -2. Their function in liver has been characterized in transgenic mice that overexpress each SREBP isoform and in mice that lack all three nuclear SREBPs because of gene knockout of SREBP cleavage-activating protein (SCAP) required for nuclear localization of SREBPs. Here, we use oligonucleotide arrays hybridized with RNA from livers of three lines of mice (transgenic for SREBP-1a, transgenic for SREBP-2, and knockout for SCAP) to identify genes that are likely to be direct targets of SREBPs in liver. Application of stringent combinatorial criteria to the transgenic/knockout approach allows identification of genes whose activities are likely controlled directly by the SREBPs.
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