Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

AhR signaling reprograms newly activated CD4+ T cells promoting combinatorial expression of regulatory genes to suppress murine GVHD [48 hr]

ABSTRACT: AhR activation during the first 3 days of an immune response is sufficient to reprogram CD4+ T cells, resulting in prevention of GVHD. To identify the early transciptional signature of AhR activation in CD4+ T cells, we performed analyses on mice treated with 2 different AhR ligands, TCDD and Cl-BBQ, in comparison with vehicle treated mice. Transcriptional responses were measured by global microarray analysis of donor alloresponding CD4+ T cells from spleen and lymph nodes.

ORGANISM(S): Mus musculus

PROVIDER: GSE83257 | GEO | 2016/09/01

SECONDARY ACCESSION(S): PRJNA325451

REPOSITORIES: GEO

ACCESS DATA

Json Xml

Similar Datasets

AhR signaling reprograms newly activated CD4+ T cells promoting combinatorial expression of regulatory genes to suppress murine GVHD [72 hr]

Project description:AhR activation during the first 3 days of an immune response is sufficient to reprogram CD4+ T cells, resulting in prevention of GVHD. To identify the early transciptional signature of AhR activation in CD4+ T cells, we performed analyses on mice treated with 2 different AhR ligands, TCDD and Cl-BBQ, in comparison with vehicle treated mice. Transcriptional responses were measured by global microarray analysis of donor alloresponding CD4+ T cells from spleen and lymph nodes.

2016-09-01 | GSE83258 | GEO

Effect of an AhR-/- on transcription in CD4 T cells from the spleen.

Project description:CD4+ T cells from 8-12 week female mice were isolated from wt and AhR-/- mice 24h after injection of 10µg/kg TCDD or solvent control. Keywords: TCDD, AHR, immunosuppression

2008-11-25 | GSE10084 | GEO

Effect of an AhR-/- on transcription in CD4 T cells from the spleen.

Project description:CD4+ T cells from 8-12 week female mice were isolated from wt and AhR-/- mice 24h after injection of 10Âµg/kg TCDD or solvent control. Keywords: TCDD, AHR, immunosuppression Each experiment was performed in biological duplicates from 4 pooled animals. Since TCDD treatment showed only marginal impact on the gene expression (~10 transcripts effected in wt mice) wt - ko comparisons were performed on pooled profiles from TCDD and solvent mice.

2008-11-25 | E-GEOD-10084 | biostudies-arrayexpress

Role of AhR in thymocyte emigration in vivo

Project description:Over-activation of the aryl hydrocarbon receptor by TCDD in mice leads among other phenotypes to a severe thymic atrophy accompanied by immunosuppression. TCDD causes a block in thymocyte maturation and a preferential emigration of immature CD4-CD8- DN thymocytes (recent thymic emigrants) into the periphery. As part of this study gene expression profiles from DN thymocytes and thymic emigrants were generated from TCDD and solvent control mice Keywords: Affymetrix, TCDD, CD4-CD8- thymocytes, Thymus involution, thymic emigration, Ahr Female, 6-8 week old C57BL6 mice were i.p. injected with 10 M-BM-5g/kg TCDD. After 5 days mice were anesthezised and FITC injected into their thymi. after 24h mice were sacrificed and CD4-CD8-FITC+ cells isolated from thymus (thymocytes) and spleen (recent thymus emigrants).

2008-11-25 | E-GEOD-10166 | biostudies-arrayexpress

Role of AhR in thymocyte emigration in vivo

2008-11-25 | GSE10166 | GEO

AhR signaling reprograms newly activated CD4+ T cells promoting combinatorial expression of regulatory genes to suppress murine GVHD

Project description:AhR signaling reprograms newly activated CD4+ T cells promoting combinatorial expression of regulatory genes to suppress murine GVHD

| PRJNA325446 | ENA

TCDD-induced hepatic transcriptomic responses in transgenic AHR-variant mice

Project description:The aryl hydrocarbon receptor (AHR) mediates most of the toxic effects of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). However, TCDD toxicity phenotypes vary widely between species, strains and even between sexes within a strain. While the exact reasons for this variation remain unclear, it is thought to be related to differences in the structure of the AHR. Previous studies comparing the downstream effects of TCDD exposure between animals with different AHR isoforms have been confounded by the genetic differences between these model systems. To address this issue conclusively, we evaluated three transgenic mouse lines, each of which express a different rat AHR isoform (rWT, DEL, and INS) from two strains of rat with highly divergent TCDD-susceptibilities, within identical genetic backgrounds. Here we profile hepatic transcriptomic responses following exposure to TCDD, and use these to identify transcripts associated with toxicity. We have confirmed that the variation in toxicity is inherent to the AHR isoform. Additionally, we note the enhanced activity of the modified transactivation domain of the DEL isoform, relative to the INS isoform, and provide further evidence that the INS isoform is responsible for the high resistance to TCDD observed in H/W rats. We also uncover several candidate genes that were consistently differentially expressed in TCDD-sensitive mice and rats. Adult male transgenic mice were treated by gavage with 0, 125, 250, 500, or 1000 Âµg/kg TCDD dissolved in corn oil vehicle. Mice were euthanized 4 days following treatment and liver tissue was harvested for analysis. RNA was isolated and the transcriptome for each animal assayed on separate microarrays.

2016-07-03 | E-GEOD-72270 | biostudies-arrayexpress

AhR-mediated lipid peroxidation contributes to TCDD-induced cardiac injury in zebrafish

Project description:2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) is a persistent environmental contaminant. Previous reports revealed TCDD activating aryl hydrocarbon receptor (AhR) pathway and causing cardiac damage. However, the mechanism of AhR-induced cardiac defect in response to TCDD exposure remains unclear. In this study, we characterized the impacts of TCDD exposure on heart morphology and cardiac function in zebrafish. To investigate the differentially expressed genes under TCDD exposure, we collected the zebrafish larave heart from the control and TCDD treatment groups. We then performed gene expression profiling analysis using data obtained from RNA-seq. Transcriptomic profiling showed that, along with an upregulation of the AhR signaling pathway by TCDD, the expression of pro-ferroptosis genes was upregulated, while genes implicated in glutathione metabolism were downregulated. Consistently, lipid peroxidation, as indicated by malonaldehyde (MDA) production, increased in TCDD-exposed cardiac tissue. Accordingly, inhibiting lipid peroxidation with Liproxstatin-1 reversed the adverse cardiac effects under TCDD treatment. Together, our findings demonstrate that AhR-mediated lipid peroxidation contributes to the cardiac developmental defects of TCDD during zebrafish early development.

2022-10-30 | GSE206948 | GEO

TCDD-induced hepatic transcriptomic responses in transgenic AHR-variant mice

2016-01-01 | GSE72270 | GEO

AhR activation by TCDD in the ET, cortical epithelial cell line

Project description:Over activation of the aryl hydrocarbon receptor (AhR) by TCDD results ampng other phenotypes in severe thymic atrophy accompanied by immunosuppression. The link between thymic atrophy, skewed thymocyte differntiation and immunosuppression is still not fully resolved. This study investigates the TCDD elicted exprssion changes in the ET, cortical thymus epithelial cell line. Keywords: TCDD, AhR, thymic epithelial cells, thymic involution, thymus atrophy

2008-12-31 | GSE10168 | GEO

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data