CD5 alters gene transcription in Jok-1 B cells
Ontology highlight
ABSTRACT:
ORGANISM(S): Homo sapiens
PROVIDER: GSE50714 | GEO | 2013/09/11
SECONDARY ACCESSION(S): PRJNA218601
REPOSITORIES: GEO
Similar Datasets
Project description:To assess the impact of CD5 on the transcriptome in B cells, we studied changes in mRNA levels in Jok-E1A/Jok-E1B cells compared with Jok-1 cells. Gene expression was performed in untransfected CD5-negative hairy B cell leukemia line (Jok-1), transfected with cDNA for either the membrane isoform of CD5 (E1A; Jok-E1A) or the cytoplasmic E1B isoform (Jok-E1B). Three biological replicates were performed.
2013-09-11 | E-GEOD-50714 | biostudies-arrayexpress
Project description:We have previously observed that regulatory B cells expressing the apoptosis-inducing surface molecule Fas ligand were enriched in the B cell fraction denoted by a surface phenotype of CD5+CD1dhigh. To identify potential growth factors, transcriptional regulators, or surface markers that might better characterize regulatory B cells, we compared global gene expression by microarray in two B cells subsets isolated by FACS. Splenocytes from 20 DBA/1 male mice were harvested, pooled, and CD19+ B cells were isolated by positive selection using MACS. B cells were then stained for CD5 and CD1d and sorted by FACS into CD5+CD1dhigh and CD5-CD1dhigh populations.
2013-06-30 | GSE46245 | GEO
Project description:We have previously observed that regulatory B cells expressing the apoptosis-inducing surface molecule Fas ligand were enriched in the B cell fraction denoted by a surface phenotype of CD5+CD1dhigh. To identify potential growth factors, transcriptional regulators, or surface markers that might better characterize regulatory B cells, we compared global gene expression by microarray in two B cells subsets isolated by FACS. Splenocytes from 20 DBA/1 male mice were harvested, pooled, and CD19+ B cells were isolated by positive selection using MACS. B cells were then stained for CD5 and CD1d and sorted by FACS into CD5+CD1dhigh and CD5-CD1dhigh populations. Single replicates of both CD5+CD1dhigh and CD5-CD1dhigh B cells from pooled mouse splenocytes were isolated and assay using the Affymetrix GeneChip Mouse 430 2.0 Array.
2013-06-30 | E-GEOD-46245 | biostudies-arrayexpress
Project description:CD5 is characterized as an inhibitory co-receptor with important regulatory role during T cell development. To study the molecular mechanism by which CD5 operates, we used quantitative mass spectrometry to analyze the components of the CD5 signaling machinery in primary T cells. In a first set of experiments, CD5-containing complexes were immunoprecipitated from thymocytes of wild-type (WT) C57BL/6 mice. Thymocytes were treated with pervanadate to induce widespread activation of protein tyrosine kinases. Corresponding samples prepared from thymocytes of Cd5−/− mice were used as controls, to discriminate CD5-binding molecules from the background of contaminant proteins. Eight biological replicates were prepared for both conditions, and samples were analyzed in duplicate LC-MS runs. This first set of experiment is presented in TableS1 of the paper, and is associated to the MaxQuant result file “Interactome WT” in the present PX dataset. We analyzed the CD5 interactome at different time of stimulation with pervanadate (1min and 10min) using thymocytes from wild-type (WT) C57BL/6 mice. Corresponding samples prepared from thymocytes of Cd5−/− mice were used as controls. Three biological replicates were prepared for both conditions (WT and KO) and each time point (1min and 10min). This set of experiments is presented in TableS2 of the paper and is associated to the MaxQuant result file “Interactome at 1min and 10min” in the present PX dataset. We checked that the activation of CD5 (phosphorylation sites) and the formation of the signaling complex was comparable in different stimulatory conditions (comparison of WT thymocytes stimulated with either pervanadate or anti-CD3+anti-CD4 antibodies). We also analyzed the binding of CD5 interactors in thymocytes from a c-Cbl-/- mouse model (comparison of WT and c-Cbl-/-thymocytes stimulated with pervanadate). These experiments and the associated experimental design of the comparisons are summarized in TableS3 of the paper, and are based on the MaxQuant result file “Comparison of different stimulatory conditions” in this dataset. To check the phosphorylation status of the CD5 tyrosine residues at different time of stimulation, we analyzed samples immunoprecipitated from thymocytes of wild-type (WT) C57BL/6 mice, following stimulation with anti-CD3+anti-CD4 antibodies for 1min, 3min and 10min. This set of experiment is presented in TableS4 of the paper and is associated to the MaxQuant result file “CD5 pY kinetics” in the present PX dataset. To determine the role of Y429 in the context of CD5 signaling, we expressed a wild-type (CD5tgWt) or a mutated form of CD5, containing a tyrosine to phenylalanine substitution at position 429 (CD5tgY429F) in transgenic mice. We analyzed the CD5 interactome by comparing samples immunoprecipitated from thymocytes of these 2 mice models (following pervanadate stimulation, 6 and 5 biological replicates respectively) with samples prepared in the same way from Cd5−/− mice as controls (6 biological replicates). The results are shown in TableS5 of the paper, and correspond to the MaxQuant result file “interactome CD5tgWt_CD5tgY429F”.
2020-05-18 | PXD017343 | Pride
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