Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA331134 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:Total RNA: 24h activated mouse OT-1 T lymphocytes, WT vs Lck-/- (OFF)
| PRJNA335377 | ENA
Project description:Total RNA: naïve ex vivo mouse OT-1 T lymphocytes, WT vs Lck-/- (OFF)
| PRJNA335378 | ENA
Project description:This experiment aims to study the transcriptome of activated T cells at 24h, using the same biological samples as the polysome profiling in GSE84781. A T cell receptor (TCR) transgenic mouse model (OT-1) posessing a homogenous alpha-beta CD8 T lymphocyte population was used, and cells with intact TCR signalling pathways (WT) were compared to those with defective signal transduction (Lck-/-, OFF). Ex vivo OT-1 T cells were isolated from the superficial cervicals, axillary, brachial, mesenteric, and inguinal lymph nodes and then activated for 24h with cognate peptide antigen SIINFEKL. Total RNA was extracted from the cells, labelled with Cy3, and hybridised onto an Agilent-074809 SurePrint G3 Mouse GE v2 8x60K Microarray.
2016-11-30 | GSE84856 | GEO
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Project description:In order to identify gene targets of translational regulation during T cell activation, a polysome analysis was performed in a T cell receptor (TCR) transgenic model (OT-1) possessing a homogenous alpha-beta CD8 T lymphocyte population. Cells with defective TCR signal tranduction (Lck-/-, OFF) were compared to WT cells to visualise targets regulated by TCR signalling. Total cytoplasmic ribonucleoprotein was extracted from ex vivo OT-1 transgenic T lymphocytes stimulated with SIINFEKL peptide antigen for 24h, extracts were fractionated using a sucrose density gradient, and separated into a sub-polysomal and a polysomal fraction. Total RNA from each fraction was extracted, equal volume of RNA from each fraction was individually labelled (Sub-poly: Cy3; Poly: Cy5), and hybridised onto a Agilent SurePrint G3 Mouse GE v2 8x60K Microarray.
2016-11-30 | GSE84781 | GEO
Project description:Gene profiling: U87 IRE1 dominant negative cells vs. U87ctrl cells in culture
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Project description:We compared the transcriptional profile of FACS-purified total effector, KLRG1+ effector and KLRG1- effector Lck-Cre;Ptpn2fl/fl and Ptpn2fl/fl OT-I cells from spleens of acutely infected mice. As expected, we found a large number of differentially expressed genes (DEG; |log2(fold-change)| >1; false discovery rate <0.05) between KLRG1– and KLRG1+ subsets of both Lck-Cre;Ptpn2fl/fl (712 DEG) and Ptpn2fl/fl (528 DEG) OT-I cells. Furthermore, we found 190 DEGs between total populations of Ptpn2-deficient and control OT-I cells. Considerably fewer genes were differentially expressed between Lck-Cre;Ptpn2fl/fl and Ptpn2fl/fl OT-I cells amongst the KLRG1– (93 DEG) and KLRG1+ (59 DEG) subsets. Hierarchical clustering analysis further revealed clustering of KLRG1– cells of both genotypes with total Ptpn2fl/fl OT-I cells, whereas KLRG1+ cells of both genotypes clustered with total Lck-Cre;Ptpn2fl/fl OT-I cells. Gene set enrichment analysis further showed that differential gene profiles between Lck-Cre;Ptpn2fl/fl and Ptpn2fl/fl OT-I cells for all subfractions (total, KLRG1+, KLRG1–) were enriched significantly for previously identified effector versus memory CD8+ T cell signature genes. Taken together, these findings indicate that after in vivo priming following HSV infection, Ptpn2 deficiency resulted in the preferential generation of OT-I cells with a transcriptional profile biased towards more terminally differentiated KLRG1+ effector cells with restricted memory potential.
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Project description:PAB/WT polysome loading and transcript levels (Arabidopsis thaliana)
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Project description:Transcriptomic profiling of mutant and WT HNF4alpha hepatic progenitor stage cells
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