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GenomicsGenome-wide mapping of HATs and HDACs in human CD4+ T cells
Histone acetyltransferases (HATs) and deacetylases (HDACs) function antagonistically to control histone acetylation. As acetylation is a histone mark for active transcription, HATs have been associated with active and HDACs with inactive genes. We describe here genome-wide mapping of HATs and HDACs ...
ORGANISM(S): Homo sapiens 
2009-08-20 | E-GEOD-15735 | biostudies-arrayexpress
TranscriptomicsGenome-wide analysis of 5-hydroxymethylcytosine distribution reveals its dual function in transcriptional regulation in mouse embryonic stem cells
Recent studies have demonstrated that the Ten-eleven translocation (Tet) family proteins can enzymatically convert 5-methylcytosine (5mC) to 5-hydroxymethylcytosine (5hmC). While 5mC has been studied extensively, little is known about the distribution and function of 5hmC. Here we present a genome...
ORGANISM(S): Mus musculus 
2011-03-30 | E-GEOD-27613 | biostudies-arrayexpress
GenomicsDual functions of Tet1 in transcriptional regulation in mouse embryonic stem cells (ChIP-Seq)
Epigenetic modification of the mammalian genome by DNA methylation (5-methylcytosine) has a profound impact on chromatin structure, gene expression and maintenance of cellular identity. Recent demonstration that members of the Ten-eleven translocation (Tet) family proteins can convert 5-methylcytosi...
ORGANISM(S): Mus musculus 
2011-03-30 | E-GEOD-26832 | biostudies-arrayexpress
TranscriptomicsDual functions of Tet1 in transcriptional regulation in mouse embryonic stem cells (mRNA)
Epigenetic modification of the mammalian genome by DNA methylation (5-methylcytosine) has a profound impact on chromatin structure, gene expression and maintenance of cellular identity. Recent demonstration that members of the Ten-eleven translocation (Tet) family proteins can convert 5-methylcytosi...
ORGANISM(S): Mus musculus 
2011-03-30 | E-GEOD-26830 | biostudies-arrayexpress
TranscriptomicsDual functions of Tet1 in transcriptional regulation in mouse embryonic stem cells (ChIP-chip and MeDIP-chip)
Epigenetic modification of the mammalian genome by DNA methylation (5-methylcytosine) has a profound impact on chromatin structure, gene expression and maintenance of cellular identity. Recent demonstration that members of the Ten-eleven translocation (Tet) family proteins can convert 5-methylcytosi...
ORGANISM(S): Mus musculus 
2011-03-30 | E-GEOD-26827 | biostudies-arrayexpress
TranscriptomicsHistone methylations and gene expression in naïve, central (TCM) and effector (TEM) memory CD8 T cells.
Histone methylations play a major role in regulating the chromatin state and gene expression, yet little is known about their involvement in differential gene expression and function of memory CD8 T cells. Here, we report a genome-wide analysis of two histone H3 methylations (H3K4me3 and H3K27me3) ...
ORGANISM(S): Homo sapiens 
2009-03-06 | E-GEOD-14422 | biostudies-arrayexpress
GenomicsGenome-wide Analysis of Histone Methylations in Memory CD8+ T Cells
Histone methylations play a major role in regulating the chromatin state and gene expression, yet little is known about their involvement in differential gene expression and function of memory CD8 T cells. Here, we report a genome-wide analysis of two histone H3 methylations (H3K4me3 and H3K27me3) ...
ORGANISM(S): Homo sapiens 
2009-06-12 | E-GEOD-12616 | biostudies-arrayexpress
GenomicsThe mental retardation gene PHF8 mediates histone H4K20/H3K9 demethylation and regulates zebrafish brain apoptosis and craniofacial development: ChIP-Seq analysis
PHF8 (PHD Finger 8) mutations have been found in patients with X-linked mental retardation (XLMR) and craniofacial deformities. Here we identify PHF8 as the first enzyme that mediates demethylation of mono-methylated histone H4 lysine (K) 20 (H4K20me1), with additional activities towards H3K9me2/1 a...
ORGANISM(S): Homo sapiens 
2010-07-14 | E-GEOD-21108 | biostudies-arrayexpress
GenomicsPTIP promotes chromatin changes critical for immunoglobulin class switch recombination
Programmed genetic rearrangements in lymphocytes require transcription at antigen receptor genes to promote accessibility for initiating double-strand break (DSB) formation critical for DNA recombination and repair. Here we show that activated B cells deficient in the PTIP component of the MLL3 (mix...
ORGANISM(S): Mus musculus 
2010-08-25 | E-GEOD-20852 | biostudies-arrayexpress
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