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GenomicsIGH analysis in pro-B cells with H3K4me3, H3K4me2, H3K9ac, H3K27me3, Pax5 and CTCF [ChIP-Seq]
VH-DJH recombination of the immunoglobulin heavy-chain (Igh) locus is temporally and spatially controlled during early B-cell development, and yet no regulatory elements other than the VH gene promoters have been identified throughout the entire 2.5-Mb VH gene cluster. Here we discovered novel regul...
ORGANISM(S): Mus musculus 
2011-02-11 | E-GEOD-27214 | biostudies-arrayexpress
GenomicsFlexible chromatin loops in the VH gene region of the Igh locus facilitate the generation of a diverse antibody repertoire
The immunoglobulin heavy-chain (Igh) locus undergoes large-scale contraction in pro-B cells, which facilitates VH-DJH recombination by juxtaposing distal VH genes next to the DJH- rearranged gene segment in the proximal Igh domain. By high-resolution mapping of long-range interactions, we now demons...
ORGANISM(S): Mus musculus 
2013-09-30 | E-GEOD-43008 | biostudies-arrayexpress
TranscriptomicsExpression data from wild type, Ring1B-/-, Eed-/-, and Ring1B/Eed double deficient mouse ES cells
Polycomb complexes establish chromatin modifications for maintaining gene repression and are essential for embryonic development in mice. Here we use pluripotent embryonic stem (ES) cells to demonstrate an unexpected redundancy between Polycomb repressive complex 1 (PRC1) and PRC2 during the formati...
ORGANISM(S): Mus musculus 
2009-11-30 | E-GEOD-19076 | 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
TranscriptomicsSequencing of the non-ribosomal transcriptome allows the simultaneous identification of protein-coding and non-protein-coding RNAs
Deep Sequencing of protein-coding and non-protein-coding RNAs from mouse differentiated embryonic stem cells and 14.5dpc mouse fetal head Analysis of Ribominus RNA from mouse differentiated embryonic stem cells and 14.5dpc mouse fetal head There are no processed data files for GSM566806-GSM566811. ...
ORGANISM(S): Mus musculus 
2011-12-06 | E-GEOD-22959 | 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
TranscriptomicsTranscription profiling of human immature monocyte-derived dendritic cells activated with anti-CD40 antibodies for 8 hours in the absence or presence of VAF347
VAF347 is a low molecular weight compound which inhibits allergic lung inflammation in vivo. This effect is likely due to a block of dendritic cell (DC) function to generate pro-inflammatory T-helper (Th) cells since VAF347 inhibits IL-6, CD86 and HLA-DR expression by human monocyte derived DC, thre...
ORGANISM(S): Homo sapiens 
2008-04-07 | E-GEOD-10463 | biostudies-arrayexpress
TranscriptomicsWapl controls higher-order chromatin structure in interphase chromosomes (gene expression)
Mammalian genomes contain several billion base pairs of DNA which are packaged in chromatin fibers. At selected gene loci, cohesin complexes have been proposed to arrange chromatin fibers into higher-order structures, but it is poorly understood how cohesin performs this task, how important this fun...
ORGANISM(S): Mus musculus 
2013-08-09 | E-GEOD-41460 | 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
GenomicsCXCR5+ follicular cytotoxic T cells control viral infection in B cell follicles
In response to infection, antigen-specific CD8+ T cells are primed in the T cell zone of secondary lymphoid organs and differentiate into cytotoxic effector T (TC) cells. Concurrently, CD4+ T cells differentiate into follicular helper T (TFH) cells that localize to B cell follicles and promote prote...
ORGANISM(S): Mus musculus 
2016-08-01 | E-GEOD-84974 | biostudies-arrayexpress
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