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GSE95283
Mus musculus
10 Downloadable Samples
Description
We propose comparing liver gene expression of WT and female ERKO mice early in the high-fat feeding period to animals fed a regular chow diet. Analyzing liver tissue before the fatty liver disease phenotype becomes severe will allow identification of target genes which may be causal.
Publication Title
Hormone signaling and fatty liver in females: analysis of estrogen receptor α mutant mice.
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Sex, Specimen part
View Samples- Mus musculus
- 9 Downloadable Samples
Description
Genome-wide comparative gene expression analysis of callus tissue of osteoporotic mice (Col1a1-Krm2 and Lrp5-/-) and wild-type were performed to identify candidate genes that might be responsible for the impaired fracture healing observed in Col1a1-Krm2 and Lrp5-/- mice.
Publication Title
Osteoblast-specific Krm2 overexpression and Lrp5 deficiency have different effects on fracture healing in mice.
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Sex, Age, Specimen part
View Samples- Mus musculus
- 20 Downloadable Samples
Description
Glucocorticoids control expression of a large number of genes after binding to the glucocorticoid receptor (GR). Transcription may be regulated either by binding of the GR dimer to DNA regulatory elements or by protein-protein interactions of GR monomers with other transcription factors. Although the type of regulation for a number of individual target genes is known, the relative contribution of both mechanisms to the regulation of the entire transcriptional program remains elusive.
Publication Title
Prednisolone-induced differential gene expression in mouse liver carrying wild type or a dimerization-defective glucocorticoid receptor.
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Sex, Specimen part
View Samples- Mus musculus
- 9 Downloadable Samples
Description
IL-22 acts on epithelial cells and has been shown to induce tissue protective and wound healing responses in these cells. But it has recently been decribed that IL-22 exacerbates ileatis after infection with T. gondii.
Publication Title
Interleukin-22 induces interleukin-18 expression from epithelial cells during intestinal infection.
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Specimen part, Time
View Samples- Mus musculus
- 5 Downloadable Samples
Description
Polycomb protein group (PcG)-dependent trimethylation on H3-K27(H3K27me3) regulates identity of embryonic stem cells (SCs). How H3K27me3 governs adult SCs and tissue development is unclear. Here, we conditionally target H3-K27-methyltransferases Ezh2 and Ezh1 to address their roles in mouse skin homeostasis. Postnatal phenotypes appear only in doubly-targeted skin, where H3K27me3 is abolished, revealing functional redundancy in EZH1/2 proteins. Surprisingly, while Ezh1/2-null hair follicles (HFs) arrest morphogenesis and degenerate due to defective proliferation and increased apoptosis, epidermis hyperproliferates and survives engraftment. mRNA-microarray studies reveal that despite these striking phenotypic differences, similar genes are upregulated in HF and epidermal Ezh1/2-null progenitors. Featured prominently are a) PcG-controlled non-skin lineage genes, whose expression is still significantly lower than in native tissues, and b) the PcG-regulated Ink4a/Inkb/Arf locus. Interestingly, even though Ink4a/Arf/Ink4b genes are fully activated in HF cells, they only partially so in epidermal-progenitors. Importantly, transduction of Ink4b/Ink4a/Arf shRNAs restores proliferation/survival of Ezh1/2-null HF progenitors in vitro, pointing towards the relevance of this locus to the observed HF phenotypes. Our findings reveal new insights into Polycomb-dependent tissue control and provide a new twist to how different progenitors within one tissue respond to loss of H3K27me3.
Publication Title
EZH1 and EZH2 cogovern histone H3K27 trimethylation and are essential for hair follicle homeostasis and wound repair.
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Sex, Age, Specimen part
View Samples- Mus musculus
- 2 Downloadable Samples
Description
Mouse hair follicles (HFs) undergo synchronized cycles. Cyclical regeneration and hair growth is fueled by stem cells (SCs). During the rest phase, the HF-SCs remain quiescent due to extrinsic inhibitory signals within the niche. As activating cues accumulate, HF-SCs become activated, proliferate, and grow downward to form transient-amplifying matrix progenitor cells. We used microarrays to detect the relative levels of global gene expression underlying the states of hair follicle stem cells and their transient-amplifying progeny before differentiation.
Publication Title
Genome-wide maps of histone modifications unwind in vivo chromatin states of the hair follicle lineage.
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Sex, Specimen part
View Samples- Mus musculus
- 11 Downloadable Samples
Description
Type I Interferons encompasses a large family of closely related cytokines comprising of at least 13 IFN- isotypes and single IFN-. Both IFN- and IFN- exert their activity through a common receptor IFNAR. Type I Interferons have broad regulatory effects and various subtypes of dendritic cells are influenced by this cytokines. In our study we asked question whether the low, constitutive levels of type I Interferons produced under steady state conditions are important for proper function of splenic conventional dendritic cells.
Publication Title
Absence of IFN-beta impairs antigen presentation capacity of splenic dendritic cells via down-regulation of heat shock protein 70.
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Sex, Age, Specimen part
View Samples- Gallus gallus, Mus musculus
- 4 Downloadable Samples
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
The transcription factor prospero homeobox protein 1 is a direct target of SoxC proteins during developmental vertebrate neurogenesis.
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Specimen part
View Samples- Mus musculus
- 4 Downloadable Samples
Description
The HMG-domain containing SoxC transcription factors Sox4 and Sox11 are expressed in the vertebrate central nervous system in neuronal precursors and neuroblasts. They are required during early stages of neurogenesis.
Publication Title
The transcription factor prospero homeobox protein 1 is a direct target of SoxC proteins during developmental vertebrate neurogenesis.
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Specimen part
View Samples- Mus musculus
- 8 Downloadable Samples
Description
The goal of this project was to characterize DCs from lymphopenic mice, like RAG (recombination activated gene) deficient mice and to examine the influence of mature B and T cells on the antigen presenting ability of splenic cDCs. We demonstrate how cellular cross-talk can shape the character and function of cDCs. Lymphopenic conditions, where splenic cDCs have to develop and differentiate, drastically change their character and their ability to cross-present soluble antigen.
Publication Title
Immunoglobulins drive terminal maturation of splenic dendritic cells.
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Sex, Age, Specimen part
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