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Gene expression data from livers of 3-month-old HNF4alpha knockout mice

ABSTRACT: HNF4alpha is a master regulator of hepatic differentiation. In this study, HNF4alpha was deleted in adult mice using a Cre-LoxP system where Cre recombinase was delivered using an AAV8 virus. Total RNA was isolated from the livers of HNF4alpha-floxed mice (mixed backgournd) treated with either Control Virus or Cre-carrying virus at 3 months of age.

ORGANISM(S): Mus musculus

SUBMITTER: Udayan Apte

PROVIDER: E-GEOD-35782 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Gene expression data from livers of 3-month-old HNF4alpha knockout mice

Project description:HNF4alpha is a master regulator of hepatic differentiation. In this study, HNF4alpha was deleted in adult mice using a Cre-LoxP system where Cre recombinase was delivered using an AAV8 virus.

2015-02-01 | GSE35782 | GEO

Analysis of the role of Micu1 in maintaining functional homeostasis in mouse liver

Project description:In this study, we analyzed global liver gene expression in MICU1 knock-down (KD) mice. To generate liver-specific MICU1 KD mice, MICU1loxp/loxp male mice were treated with an AAV8-Cre under the control of a hepatocyte specific promoter (TBG). AAV8-TBG-Null treated littermates were used as controls. Liver samples were collected 3-5 weeks after injection. Knockdown was verified by protein and mRNA (94%, 98%, respectively). Mouse Gene 2.0 ST (Affymetrix, Santa Clara, CA) arrays were used to obtain global gene expression data. Gene expression was profiled in control and in liver-specific Micu1 knockdown mice liver samples; 4 biological replicates per condition.

2016-01-10 | E-GEOD-69801 | biostudies-arrayexpress

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2013-11-07 | E-GEOD-51478 | biostudies-arrayexpress

Transcription profiling by array of liver from C57BL6 mice transfected with AAV8 vectors expressing either GFP or human macrophage inhibitory factor (MIF) or none (PBS).

Project description:MIF is a general mediator of inflammatory responses and is associated with several inflammatory diseases including atherosclerosis. Therefore MIF is currently investigated as a therapeutic target for atherosclerosis. Generation of AAV8 vectors expressing human MIF was initiated to overexpress human MIF in AAV8 target tissues (liver, heart, muscles) of C57/Bl6 to study biological function of MIF in vivo and to provide an animal model for testing of MIF antibodies. Aim of the gene expression profiling experiment: Livers of AAV8-CMV-MIF treated animals in order to identify established and potential novel target genes of MIF induced signalling

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GLI3 Controls the Proliferative Expansion of Digit Progenitors and Exit toward Chondrogenesis to Constrain the Autopod to Pentadactyly

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Gene expression in mouse liver depleted of HDAC3

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2011-03-11 | E-GEOD-25937 | biostudies-arrayexpress

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Project description:Canonical Wnt signalling regulates the self-renewal of most if not all stem cell systems. In the blood system, the role of Wnt signalling has been subject of much debate, with positive and negative roles of Wnt signalling proposed for hematopoietic stem cells (HSC). As we have shown previously, this controversy can be largely explained by the effects of different dosages of Wnt signalling. What remained unclear however, was why high Wnt signals would lead to loss of reconstituting capacity. To better understand this phenomenon, we have taken advantage of a series of hypomorphic mutant Apc alleles resulting in a broad range of Wnt dosages in HSCs, purified those HSCs and performed whole genome gene expression analyses. Gene expression profiling and functional studies show that HSCs with APC mutations lead to high Wnt levels , enhanced differentiation and diminished proliferation, but have no effect on apoptosis, collectively leading to loss of stemness. Thus, we provide mechanistic insight into the role of APC mutations and Wnt signalling in HSC biology. As Wnt signals are explored in various in vivo and ex vivo expansion protocols for HSCs, our findings also have clinical ramifications. To investigate the effects of Wnt signals in hematopoietic cells, mice carrying floxed Apc or hypomorphic Apc mutants were crossed, LSK cells were isolated and treated with Cre IRES GFP gamma-retrovirus ex vivo, GFP+ cells were sorted and RNA expression was determined.

2016-03-23 | E-GEOD-79495 | biostudies-arrayexpress

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