E-MTAB-1722
Ontology highlight
ABSTRACT:
PROVIDER: E-MTAB-1722 | ExpressionAtlas | 2014-12-11
REPOSITORIES: ExpressionAtlas
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Project description:A series of dual-channel gene expression profiles obtained using Rosetta/Agilent Whole Mouse Genome oligonucleotide microarrays, 4 x 44K format, was used to identify sex-dependent and HNF4alpha-dependent differences in gene expression in adult mouse liver. This series is comprised of four sex-genotype combinations: adult male wild-type liver (M-WT), adult female wild-type liver (F-WT), adult male liver-specific HNF4alpha knockout liver (M-KO) and adult female liver-specific HNF4alpha knockout liver (F-KO). Four pools, each comprised of 4 randomly selected individual liver RNAs, were prepared for each sex-genotype combination. The pools were paired randomly to generate 4 separate experimental comparisons: M-WT:F-WT (first array comparison), M-WT:M-KO (second array comparison), F-WT:F-KO (third array comparison), and M-KO:F-KO (fourth array comparison). A total of 4994 HNF4alpha-dependent genes were identified, of which ~1000 fewer genes responded to the loss of HNF4alpha in female liver as compared to male liver. Moreover, 90% of the genes showing sex-specific expression in the liver were shown to lose sex specificity in HNF4alpha-deficient liver. Keywords: genetic knockout and sex response
2008-03-21 | GSE10390 | GEO
Project description:Lysosome-enriched fractions from the liver of Cln8 KO mice and WT mice. Included are four datasets: 1. Lysosome-enriched fraction from the liver of Cln8 KO mice, replicate 1 (CLN8_KO_1). 2. Lysosome-enriched fraction from the liver of Cln8 KO mice, replicate 2 (CLN8_KO_2). 3. Lysosome-enriched fraction from the liver of WT mice, replicate 1 (WT_1). 4. Lysosome-enriched fraction from the liver of WT mice, replicate 2 (WT_2).
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Project description:RNA-seq was performed on mRNA samples purified from the livers of wild type (WT) and Sirt6 liver-specific knockout (KO) mice.
2022-04-04 | GSE129370 | GEO
Project description:Fenofibrate is a specific agonist of the nuclear receptor PPARa. To identify the gene expression under the strict dependence of hepatic PPARa activity, we generated a new mouse strain of PPARa-specific deletion in hepatocyte (albumin-Cre+/- Pparaflox/flox or LKO) and we compared them to total Ppara KO (KO), wild-type (WT) and liver WT (albumin-Cre-/- Pparaflox/flox or LWT) mice. We used microarrays to detail the global programme of gene expression in liver of Ppara LKO, LWT, Ppara KO and WT male mice. There are 36 liver samples, each from an individual mouse. The samples are from Ppara liver KO (LKO), Ppara KO (KO), wild-type (WT) and liver WT (LWT) male mice of 14 week-old from the same genetic background (C57Bl/6J) treated with Fenofibrate (100 mg/kg/day) or vehicle (aqueous solution of gum Arabic 3%) by daily gavage for 10 days. n= 4 mice for LKO, LWT and WT genotypes treated with vehicle; n=3 for KO mice treated with vehicle; n=5 mice for LWT, LKO and KO genotypes treated with fenofibrate; n=4 WT mice treated with fenofibrate. All mice were sacrified at ZT14.
2016-02-20 | E-GEOD-73298 | biostudies-arrayexpress
Project description:To assess the role of the transcription factor NFE2 related factor 2 like 2 ( Nrf2) in the development of high-fat diet (HFD)-induced obesity and non-alcoholic HFD-induced fatty liver disease, 8 wild type (WT) and 8 Nrf2 knock-out (Nrf2-KO) C57BL6J male mice (obtained from Riken BRC, Tsukuba, Japan and originally developed by Prof. M. Yamamoto) were fed an HFD (60 kcal % fat) for 180 days. Whole genome microarray expression profiling was performed in pooled liver samples of WT and Nrf2-KO mice to identify genes that are differentially expressed between WT and Nrf2-KO mice under the stress conditions of HFD-induced obesity. Liver samples were taken from 8 wild type (WT) and 8 Nrf2 knock-out (Nrf2-KO) male mice on high-fat diet (60 kcal % fat) for 180 days. Total RNA was isolated from pooled liver samples from WT or Nrf2-KO mice to produce 4 samples each using the guanidinium thiocyanate method.
2011-11-30 | E-GEOD-33575 | biostudies-arrayexpress
Project description:A series of dual-channel gene expression profiles obtained using Rosetta/Agilent Whole Mouse Genome oligonucleotide microarrays, 4 x 44K format, was used to identify sex-dependent and HNF4alpha-dependent differences in gene expression in adult mouse liver. This series is comprised of four sex-genotype combinations: adult male wild-type liver (M-WT), adult female wild-type liver (F-WT), adult male liver-specific HNF4alpha knockout liver (M-KO) and adult female liver-specific HNF4alpha knockout liver (F-KO). Four pools, each comprised of 4 randomly selected individual liver RNAs, were prepared for each sex-genotype combination. The pools were paired randomly to generate 4 separate experimental comparisons: M-WT:F-WT (first array comparison), M-WT:M-KO (second array comparison), F-WT:F-KO (third array comparison), and M-KO:F-KO (fourth array comparison). A total of 4994 HNF4alpha-dependent genes were identified, of which ~1000 fewer genes responded to the loss of HNF4alpha in female liver as compared to male liver. Moreover, 90% of the genes showing sex-specific expression in the liver were shown to lose sex specificity in HNF4alpha-deficient liver. Experiment Overall Design: An Alexa555-labeled cDNA sample is co-hybridized with an Alexa647-labeled cDNA sample. The samples are then dye-swapped and compared again on a second microarray chip. Together, these two mixed cDNA samples are considered a fluorescent reverse pair (dye swap). Similarly, a second fluorescent reverse pair is generated and the two pairs are averaged. The normalized expression ratio for each array is reported along with the two separate intensities. In this way, dye swaps were carried out for each of the four experimental comparisons. Thus, four microarrays, one for each mixed cDNA sample, were hybridized for each of the four fluorescent reverse pairs, giving a total of 16 microarrays.
2008-04-04 | E-GEOD-10390 | biostudies-arrayexpress
Project description:To assess the role of the transcription factor NFE2 related factor 2 like 2 ( Nrf2) in the development of high-fat diet (HFD)-induced obesity and non-alcoholic HFD-induced fatty liver disease, 8 wild type (WT) and 8 Nrf2 knock-out (Nrf2-KO) C57BL6J male mice (obtained from Riken BRC, Tsukuba, Japan and originally developed by Prof. M. Yamamoto) were fed an HFD (60 kcal % fat) for 180 days. Whole genome microarray expression profiling was performed in pooled liver samples of WT and Nrf2-KO mice to identify genes that are differentially expressed between WT and Nrf2-KO mice under the stress conditions of HFD-induced obesity.
2011-11-30 | GSE33575 | GEO
Project description:Transcriptional profiling of PNPase KO liver hepatocytes (HepKO) generated from Albumin-Cre/wt (liver-specific) Pnpt1 fl/fl C57BL/6J mice. Samples comparing liver hepatocyte PNPase KO (HepKO) cells to litter-, age-, and sex-matched wildtype hepatocyte control cells. The goal of this experiment was to determine effects of PNPase loss on the total RNA transcriptome under physiologic in vivo conditions.
2018-05-03 | GSE109210 | GEO
Project description:Comparison of gene expression in livers of either WT mice or mice with hepatic specific deletion of the gene Tribbles1. Animal groups were both Trib1 cKO mice homozygous for a floxed allele of Trib1. Mice aged 8-10 weeks were treated with adeno associated virus (AAV) encoding Cre recombinase (AAV_Cre) or no gene (AAV_null). The WT group is mice treated with AAV_Null, the liver-specific KO group treated with AAV_Cre. Gene expression data was then used in Ingenuity Pathway analysis to attempt to identify upstream transcription factors that might be responsible for the gene expression changes observed. All animals were 8-10 weeks of age, and all animals were homozygous for the floxed allele of Trib1. WT animals were treated with AAV_Null, Trib1 liver specific KO mice were treated with AAV_Cre. Mice were euthanized at 1-week post injection of AAV, and RNA collected from whole liver tissue.
2015-07-14 | E-GEOD-70846 | biostudies-arrayexpress