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GSE55733
Mus musculus
4 Downloadable Samples
Description
Acute effects caused by the non-genotoxic carcinogen and peroxisome proliferator (PP) diethylhexylphthalate (DEHP) in the mouse liver
Publication Title
Gene ontology mapping as an unbiased method for identifying molecular pathways and processes affected by toxicant exposure: application to acute effects caused by the rodent non-genotoxic carcinogen diethylhexylphthalate.
Sample Metadata Fields
Sex, Specimen part, Compound, Time
View Samples- Mus musculus
- 16 Downloadable Samples
Description
In eukaryotes, regulation of mRNA translation enables a fast, localized and finely tuned expression of gene products. Within the translation process, the first stage of translation initiation is most rigorously modulated by the actions of eukaryotic initiation factors (eIFs) and their associated proteins. These 11 eIFs catalyze the joining of the tRNA, mRNA and rRNA into a functional translation complex. Their activity is influenced by a wide variety of extra- and intracellular signals, ranging from global, such as hormone signaling and unfolded proteins, to specific, such as single amino acid imbalance and iron deficiency. Their action is correspondingly comprehensive, in increasing or decreasing recruitment and translation of most cellular mRNAs, and specialized, in targeting translation of mRNAs with regulatory features such as a 5 terminal oligopyrimidine tract (TOP), upstream open reading frames (uORFs), or an internal ribosomal entry site (IRES). In mammals, two major pathways are linked to targeted mRNA translation. The target of rapamycin (TOR) kinase induces translation of TOP and perhaps other subsets of mRNAs, whereas a family of eIF2 kinases does so with mRNAs containing uORFs or an IRES. TOR targets translation of mRNAs that code for proteins involved in translation, an action compatible with its widely accepted role in regulating cellular growth. The four members of the eIF2 kinase family increase translation of mRNAs coding for stress response proteins such as transcription factors and chaperones. Though all four kinases act on one main substrate, eIF2, published literature demonstrates both common and unique effects by each kinase in response to its specific activating stress. This suggests that the activated eIF2 kinases regulate the translation of both a global and a specific set of mRNAs. Up to now, few studies have attempted to test such a hypothesis; none has been done in mammals.
Publication Title
eIF2alpha kinases GCN2 and PERK modulate transcription and translation of distinct sets of mRNAs in mouse liver.
Sample Metadata Fields
No sample metadata fields
View Samples- Mus musculus
- 6 Downloadable Samples
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
Sirt1 Regulates DNA Methylation and Differentiation Potential of Embryonic Stem Cells by Antagonizing Dnmt3l.
Sample Metadata Fields
No sample metadata fields
View Samples- Mus musculus
- 6 Downloadable Samples
Description
Stem-cells and transformed cancer cells specifically express a polycomb repressive complex subtype, PRC4 which characteristically contains Sirt1 (Sirtuin-1), a NAD+ dependent class III histone deacetylase (HDAC) and Eed2 isoform as specific members. Analyzing the transcriptiome and methylome analysis of Sirt1 deficient murine ESCs (Sirt1-/- ESC), we demonstrate that these cells repressed specifically on some genomic imprinted and germ-line related genes.
Publication Title
Sirt1 Regulates DNA Methylation and Differentiation Potential of Embryonic Stem Cells by Antagonizing Dnmt3l.
Sample Metadata Fields
No sample metadata fields
View Samples- Mus musculus
- 8 Downloadable Samples
Description
The genetic mechanism governing the spatial patterning of teeth still remains to be elucidated. Sonic hedgehog (Shh) is one of key signaling molecules involved in the spatial patterning of teeth. By utilizing maternal transfer of 5E1 (an IgG1 monoclonal antibody against Shh protein) through the placenta to block Shh signaling, we investigated the changes in tooth patterning and in gene expression.
Publication Title
Interactions between Shh, Sostdc1 and Wnt signaling and a new feedback loop for spatial patterning of the teeth.
Sample Metadata Fields
Specimen part, Time
View Samples- Mus musculus
- 12 Downloadable Samples
- Affymetrix Mouse Genome 430 2.0 Array (mouse4302)
Description
Equine herpesvirus 1 (EHV-1) is the causative agent of a number of equine pathological states, including severe disease of the central nervous system, respiratory infections, and abortion storms. Our results showed that intranasal immunization with CpG-B oligodeoxynucleotides (ODN) protects CBA mice from lethal EHV-1 challenge. IFN-γ and seven interferon-stimulated genes (ISGs) were upregulated 39.4- to 260.3-fold at 8 h postchallenge in the lungs of RacL11-challenged mice that had been immunized with CpG-B ODN. Treatment with 20 ng/ml of IFN-γ reduced EHV-1 yield by 100-fold in MH-S at 4 days post-VZV infection compared to that of untreated cells. However, IFN-γ reduced virus yield by only 2-fold in and mouse fibroblast L-M cells. To identify IFN-γ-stimulated genes that inhibit EHV-1 replication, Affymetrix microarray analyses were performed with IFN-γ-treated MH-S and L-M cells. In MH-S cells, IFN-γ upregulated 551 genes and down-regulated 136 genes as compared to those of untreated cells. In L-M cells, IFN-γ upregulated 225 genes and downregulated 2 genes. Nine genes associated with innate immune response were significantly upregulated only in MH-S cells. Five antiviral ISGs MX1, SAMHD1, NAMPT, TREX1, and DDX60 were upregulated 3.2- to 18.1-fold only in MH-S cells. These results suggest that CpG-B ODN may be used as a prophylactic agent in horses.
Publication Title
Interferon Gamma Inhibits Equine Herpesvirus 1 Replication in a Cell Line-Dependent Manner.
Sample Metadata Fields
Specimen part, Cell line, Treatment
View Samples- Mus musculus
- 2 Downloadable Samples
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
The transcription factor Foxo1 controls central-memory CD8+ T cell responses to infection.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 2 Downloadable Samples
Description
To find out genes regulated by geranylgeraniol (GGOH) treatment in peritoneal macrophage, we compared gene expression of cells treated with 200ng ml LPS and 250 micromolar compactin versus 200ng ml LPS, 250 micromolar compactin and 100micromolar GGOH.
Publication Title
Sufficient production of geranylgeraniol is required to maintain endotoxin tolerance in macrophages.
Sample Metadata Fields
Specimen part, Treatment
View Samples- Mus musculus
- 18 Downloadable Samples
Description
Glomerular RNA comparison between wild-type and podocyte specific deletion of the PTIP gene in 1 month old kidneys. The PTIP gene was deleted using a floxed allele and a Podocin-Cre driver strain.
Publication Title
Altering a histone H3K4 methylation pathway in glomerular podocytes promotes a chronic disease phenotype.
Sample Metadata Fields
Specimen part
View Samples- Danio rerio
- 2 Downloadable Samples
Description
The purpose of this experiment is to understand which transcripts are differentially expressed following exposure to TCDD.
Publication Title
TCDD inhibits heart regeneration in adult zebrafish.
Sample Metadata Fields
Treatment
View Samples