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TranscriptomicsIntegration of Hi-C and ChIP-seq data reveals distinct types of chromatin hubs
We have analyzed publicly available K562 Hi-C data, which enables genome-wide unbiased capturing of chromatin interactions, using a Mixture Poisson Regression Model to define a highly specific set of interacting genomic regions. We integrated multiple ENCODE Consortium resources with the Hi-C data, ...
ORGANISM(S): Homo sapiens 
2012-06-30 | E-GEOD-32213 | biostudies-arrayexpress
GenomicsGenetic Framework for GATA Factor Function in Vascular Biology
Vascular endothelial dysfunction underlies the genesis and progression of numerous diseases. Whereas the GATA transcription factor GATA-2 is expressed in endothelial cells and is implicated in coronary heart disease, it has been studied predominantly as a master regulator of hematopoiesis. As many q...
ORGANISM(S): Homo sapiens 
2011-08-11 | E-GEOD-29531 | biostudies-arrayexpress
GenomicsAutophagy driven by a master regulator of hematopoiesis
Developmental and homeostatic remodeling of cellular organelles is mediated by a complex process termed autophagy. The cohort of proteins that constitute the autophagy machinery function in a multistep biochemical pathway. Though components of the autophagy machinery are broadly expressed, autophagy...
ORGANISM(S): Homo sapiens 
2011-09-30 | E-GEOD-32491 | biostudies-arrayexpress
GenomicsGenome-wide maps of GATA factor occupancy in K562 cells
GATA factors interact with simple DNA motifs (WGATAR) to regulate critical processes, including hematopoiesis, but very few WGATAR motifs are occupied in genomes. Given the rudimentary knowledge of mechanisms underlying this restriction, and how GATA factors establish genetic networks, we used ChIP-...
ORGANISM(S): Homo sapiens 
2009-11-25 | E-GEOD-18868 | biostudies-arrayexpress
GenomicsLIM domain binding protein 1 regulates a transcriptional program essential for hematopoietic stem cell maintenance
We used ChIP-Seq to map Ldb1, Scl and Gata2 binding sites in mouse hematopoietic progenitor cells (HPCs). Together with functional studies using conventional and conditional Ldb1 deficient mouse models and bioinformatics analysis, we systematically determined a transcriptional program controlled by ...
ORGANISM(S): Mus musculus 
2011-01-04 | E-GEOD-26031 | biostudies-arrayexpress
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