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TranscriptomicsGene expression of murine B cells activated via TLR4 or TLR4 + CD40: Group1 naM-CM-/ve B cells, Group2 LPS activated B cells 24h, Group3 LPS + anti-CD40 activated B cells 24h, Group4 LPS activated B cells 72h, and Group5 LPS + anti-CD40 activated B cells 72h.
Murine B cells can be activated via the surface receptors TLR4 and CD40. For a global assessment of differences in gene expression between these two different modes of B cell activation a genome wide transcriptome analysis was performed. In order to dissect different gene expression profiles of B ce...
ORGANISM(S): Mus musculus 
2014-02-24 | E-GEOD-35998 | biostudies-arrayexpress
GenomicsEssential role of EBF1 in B cell immunity by controlling the generation and function of distinct mature B cell types
The transcription factor EBF1 is essential for lineage specification in early B cell development. Here we demonstrate by conditional mutagenesis that EBF1 was required for B cell commitment, pro-B cell development and subsequent transition to pre-B cells. Later in B cell development, EBF1 was essent...
ORGANISM(S): Mus musculus 
2012-03-20 | E-GEOD-35857 | biostudies-arrayexpress
GenomicsThe B cell identity factor Pax5 regulates distinct transcriptional programs in early and late B lymphopoiesis
Pax5 controls the identity and development of B cells by repressing lineage-inappropriate genes and activating B-cell-specific genes. Here, we used genome-wide approaches to identify Pax5 target genes in pro-B and mature B cells. In these cell types, Pax5 bound to 40% of the cis- regulatory elements...
ORGANISM(S): Mus musculus 
2012-06-14 | E-GEOD-38046 | biostudies-arrayexpress
TranscriptomicsRole and function of Bach2 in BCR-ABL1 driven pre-B ALL
In order to investigate the function of Bach2 in pre-B ALL, we isolated bone marrow cells from wildtype and Bach2 knockout mice of C57Bl6 background and transformed them with BCR-ABL1. We compared the gene expression profiles of Bach2 wildtype and knockout pre-B ALL cells, both with and without ima...
ORGANISM(S): Mus musculus 
2013-07-11 | E-GEOD-30883 | biostudies-arrayexpress
TranscriptomicsStage-specific control of early B cell development by the transcription factor Ikaros
Ikaros is an essential regulator of lymphopoiesis. Here, we studied the B-cell-specific function of Ikaros by conditional Ikzf1 inactivation in pro-B cells. B-cell development was arrested at an aberrant ‘pro-B’ cell stage characterized by increased cell adhesion and loss of pre-B cell receptor sign...
ORGANISM(S): Mus musculus 
2014-02-09 | E-GEOD-53595 | biostudies-arrayexpress
ProteomicsIFITM3 BioID Interactomes in B-ALL and MCL
To determine the roles of membrane associated IFITM3 in BCR-signalling in B-cell malignancies we expressed N-terminal BirA-IFITM3-Y20E fusion or BirA-EV control in patient derived B-ALL cells (PDX2) and Jeko1 Mantle cell lymphoma (MCL) cells. Additionally to examine the role of PIP3 binding residues...
ORGANISM(S): Homo sapiens (Human) 
2020-12-18 | PXD020697 | Pride
Human b-all mcl b-cells 
MetabolomicsImmunoglobulin expression in the endoplasmic reticulum shapes the metabolic fitness of B lymphocytes
The major function of B lymphocytes is to sense antigens and to produce protective antibodies after activation. This function requires the expression of a B-cell antigen receptor (BCR), and evolutionary conserved mechanisms seem to exist that ensure that B cells without a BCR do not develop nor surv...
2020-04-21 | MTBLS186 | MetaboLights
TranscriptomicsGene expression data of interleukin-7-dependent and BCR-ABL1-transformed pre-B cells
This analysis focused on identifying factors that protect pre-B cells against DNA double strand break (DSB)-mediated DNA damage stress during pre-B cell differentiation. Differentiation of pre-B cells including immunoglobulin light chain gene recombination were performed by withdrawal of interleuki...
ORGANISM(S): Mus musculus 
2010-05-27 | E-GEOD-21664 | biostudies-arrayexpress
TranscriptomicsEffect of Bach2 overexpression in BCL6+/+ and -/- BCR-ABL1 transformed pre-B cells
The aim was to investigate how BCL6 genotype affects Bach2 dependent gene expression changes. We compared gene expression profiles of BCL6+/+ and BCL6-/- BCR-ABL1 transformed pre-B cells after inducible overexpression of Bach2.
ORGANISM(S): Mus musculus 
2013-07-11 | E-GEOD-41042 | biostudies-arrayexpress
TranscriptomicsAn intrahepatic gene expression signature of enhanced immune activity predicts response to peginterferon and adefovir in chronic hepatitis B patients
In this study we aimed to identify a baseline intrahepatic transcriptional signature associated with response in chronic hepatitis B patients treated with peginterferon-alfa-2a (peg-IFN) and adefovir. Liver gene expression values of patients with combined response (responders; n=9) and non-response ...
ORGANISM(S): Homo sapiens 
2014-12-19 | E-GEOD-54747 | biostudies-arrayexpress
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