scholarly journals Comparative analysis of the pioglitazone (Pio) and peroxisome proliferator activated receptor-α (PPARα/Ppara)-regulated transcriptomes in mouse liver

2015 ◽  
Author(s):  
H Ren
Keyword(s):  
Comparative Analysis ◽  
Mouse Liver ◽  
Peroxisome Proliferator ◽  
Peroxisome Proliferator Activated Receptor

scholarly journals A meta-analysis study of gene expression datasets in mouse liver under PPARα knockout

2013 ◽  
Vol 95 (2-3) ◽  
pp. 78-88 ◽  
Author(s):  
KAN HE ◽  
ZHEN WANG ◽  
QISHAN WANG ◽  
YUCHUN PAN
Keyword(s):  
Gene Expression ◽  
Mouse Liver ◽  
Meta Analysis ◽  
Expression Patterns ◽  
Hepatic Tissue ◽  
Marker Genes ◽  
Specific Marker ◽  
Peroxisome Proliferator ◽  
Peroxisome Proliferator Activated Receptor ◽  
Microarray Datasets

SummaryGene expression profiling of peroxisome-proliferator-activated receptor α (PPARα) has been used in several studies, but there were no consistent results on gene expression patterns involved in PPARα activation in genome-wide due to different sample sizes or platforms. Here, we employed two published microarray datasets both PPARα dependent in mouse liver and applied meta-analysis on them to increase the power of the identification of differentially expressed genes and significantly enriched pathways. As a result, we have improved the concordance in identifying many biological mechanisms involved in PPARα activation. We suggest that our analysis not only leads to more identified genes by combining datasets from different resources together, but also provides some novel hepatic tissue-specific marker genes related to PPARα according to our re-analysis.

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