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Identification of interleukin-4 (IL-4) targets in chronic lymphocytic leukemia (CLL)

ABSTRACT: Gene expression profiles of CLL cells and normal B cells (NBC) treated for 18 hr with 10 ng/ml IL-4, compared with culture with nothing (Ctrl) and the basal (Pre) samples. Patient CLL01 was also treated with IL-4 plus 5 mg/ml ERK activation inhibitor peptide I, or IL-4 plus 10 µM NFkB activation inhibitor, and IL-4 plus 100 mg/ml cyclic-pifithrin-α

ORGANISM(S): Homo sapiens

PROVIDER: GSE55288 | GEO | 2014/10/06

SECONDARY ACCESSION(S): PRJNA239211

REPOSITORIES: GEO

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Identification of interleukin-4 (IL-4) targets in chronic lymphocytic leukemia (CLL)

Project description:Gene expression profiles of CLL cells and normal B cells (NBC) treated for 18 hr with 10 ng/ml IL-4, compared with culture with nothing (Ctrl) and the basal (Pre) samples. Patient CLL01 was also treated with IL-4 plus 5 mg/ml ERK activation inhibitor peptide I, or IL-4 plus 10 ÂµM NFkB activation inhibitor, and IL-4 plus 100 mg/ml cyclic-pifithrin-Î± 23 CLL patients (10 Pre samples, 23 Ctrl samples, 23 IL-4 samples, 1 IL-4 plus ERK inhibitor sample, 1 IL-4 plus NFkB inhibitor sample, 1 IL-4 plus Pifithrin sample), 13 NBC (10 Pre samples, 10 Ctrl samples, 13 IL-4 samples)

2014-10-06 | E-GEOD-55288 | biostudies-arrayexpress

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Project description:Purpose: To gain insight into both similarities and differences in the gene expression programs induced by IL-21R, BCR and CD40 signals, we performed RNA-seq on both GCBC and NBC that had been stimulated for either 2h or 4h with IL-21, CD40 ligation, BCR ligation, or combinations of these. Methods : Purified GCBC from d14 NP-CGG immunized MEG mice and NBC from naïve MEG mice were warmed at 37C for 30 minutes and then stimulated with 10ng/mL IL-21, 20μg/ml ⍺-IgM or 2.5μg/mL ⍺-CD40 (prepared as tetramer) alone or combined IL21/⍺-CD40 or ⍺-IgM/⍺-CD40 for 2 and 4 hours. After stimulation, cells were processed for RNA isolation using QIAshredder columns (Qiagen) and the RNeasy Plus Mini Kit (Qiagen) following the manufacturer’s instructions. Samples were sequenced using Illumina NextSeq 500 with 75 bp paired-end reads and aligned to the mm10 genome using the STAR aligner (Dobin et al., 2013). Gene-level counts were determined using featureCounts (Liao et al., 2014), and raw counts were quantile normalized to each other for differential expression using the voom method (Law et al., 2014) in the Limma R package (Ritchie et al., 2015). For normalization of the datasets, the Quantile method was used. Results: Like BCR and CD40 signals, IL-21R plus CD40 signals also synergize to induce c-Myc in GCBC. However, IL-21R plus CD40 stimulation differentially affects GCBC fate compared to BCR plus CD40 ligation—engaging unique molecular mechanisms

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Human monocyte-derived dendritic cells: Control vs Tolerogenic

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Transcriptome of cytokines-polarized mouse bone marrow-derived macrophages

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