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Gene transcription profiling in liver following high fat versus normal diet in C57/Bl6 mice. Characterisation of molecular mechanisms of in vivo insulin action in mouse models of experimentally induced Insulin Resistance. Switched the diet after mice are 5 weeks old, then sampled at 8 days, 3 weeks and 15 weeks.
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PAO1 was grown in sub-inhibitory ciprofloxacin (0.1x-, 0.3x-, 1x-MIC) until log phase. Microarrays were done on total RNA isolated from these cultures. Loop design and dye swapping were used.
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Mice which lack IRS-2, develop insulin resistance. Comparison between white adipose tissue from 5 week old IRS-2 KO and wild type mice. Processed data is not included for this experiment and therefore these data are not MIAME compliant
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Study comprising 74 kidney tumor samples of different histological type, differentiation grade, stage and with data on chromosomal aberrations and follow-up. Samples were hybridised against a common reference obtained from pooling different kidney tumor samples.
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Gene transcription profiling in muscle following muscle versus normal diet in C57/Bl6 mice. Switched the diet when mice were 5 weeks old, then sampled at 8 days, 3 weeks and 15 weeks.
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Gene transcription profiling in Epidydimal fat pad (EPD) following High fat versus normal diet in C57/Bl6 mice. Characterisation of molecular mechanisms of in vivo insulin action in mouse models of experimentally induced Insulin resistance. Switched the diet when mice were 5 weeks old, then sampled at 8 days.
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  • Software/Code
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Finally differentiated 3T3-L1 adipocytes are treated with insulin (0 or 100nM)or metformin (0 or 2mM)for 2 and 12 hours to understand insulin and metformin(an anti-diabetic drug commonly applied for Non-Insulin Dependent Diabetes Mellitus)action in adipose tissues.
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Gene transcription profiling in Epidydimal fat pad (EPD) following High fat versus normal diet in C57/Bl6 mice. The diet was switched when mice were 5 weeks old, then samples taken at 2 days, 8 days, 3 weeks and 15 weeks.
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  • Software/Code
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  • Image
  • Tabular Data
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The effect on gene expression of an extract from a medicinal mushroom (Agaricus blazei Murill)were compared with the effect of lipopolysaccharides (LPS). Both are potent immunomodulators. The study used a monocyte cell line.
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A major challenge in the emerging field of toxicogenomics is to define the relationships between chemically induced changes in gene expression and alterations in conventional toxicologic parameters such as clinical chemistry and histopathology. We have explored these relationships in detail using the rodent uterotrophic assay as a model system. Gene expression levels, uterine weights, and histologic parameters were analyzed 1, 2, 4, 8, 24, 48, and 72 hr after exposure to the reference physiologic estrogen 17 beta-estradiol (E2). A multistep analysis method, involving unsupervised hierarchical clustering followed by supervised gene ontology-driven clustering, was used to define the transcriptional program associated with E2-induced uterine growth and to identify groups of genes that may drive specific histologic changes in the uterus. This revealed that uterine growth and maturation are preceded and accompanied by a complex, multistage molecular program. The program begins with the induction of genes involved in transcriptional regulation and signal transduction and is followed, sequentially, by the regulation of genes involved in protein biosynthesis, cell proliferation, and epithelial cell differentiation. Furthermore, we have identified genes with common molecular functions that may drive fluid uptake, coordinated cell division, and remodeling of luminal epithelial cells. These data define the mechanism by which an estrogen induces organ growth and tissue maturation, and demonstrate that comparison of temporal changes in gene expression and conventional toxicology end points can facilitate the phenotypic anchoring of toxicogenomic data.
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