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TranscriptomicsActive chromatin domains are defined by acetylation islands revealed by genome-wide mapping
The identity and developmental potential of a human cell is specified by its epigenome that is largely defined by patterns of chromatin modifications including histone acetylation. Here we report high-resolution genome-wide mapping of diacetylation of histone H3 at Lys 9 and Lys 14 in resting and ac...
ORGANISM(S): Homo sapiens 
2007-02-05 | E-GEOD-6974 | biostudies-arrayexpress
GenomicsGenome-wide analysis of histone modifications in latently HIV-1 infected T cells
The epigenetic mechanisms established by histone modifications may affect the transcriptional silencing of HIV-1 and viral latency. A systematic epigenome profiling could be applicable to develop new epigenetic diagnostic markers for detecting HIV-1 latency. In this study, histone modification prof...
ORGANISM(S): Homo sapiens 
2014-06-06 | E-GEOD-58247 | biostudies-arrayexpress
GenomicsChromatin Signatures in Multipotent Human HSCs Indicate the Fate of Bivalent Genes during Differentiation
Histone modifications have been implicated in stem cell maintenance and differentiation. We have analyzed genome-wide changes in gene expression and histone modifications during differentiation of multipotent human primary hematopoietic stem cells/progenitor cells (HSCs/HPCs) into erythrocyte precur...
ORGANISM(S): Homo sapiens 
2009-01-09 | E-GEOD-12646 | biostudies-arrayexpress
GenomicsPriming for Th2 differentiation requires IL-2-mediated induction of IL-4 receptor alpha chain expression
Th2 cells enable humoral immunity and host-defense to parasites. Whereas IL-4 drives Th2 differentiation and IL-2 is important later in this process by augmenting IL4 chromatin accessibility, we demonstrate that IL-2 serves an essential early role in regulating IL-4R? expression by inducing binding ...
ORGANISM(S): Mus musculus 
2008-12-11 | E-GEOD-12346 | biostudies-arrayexpress
GenomicsGenomic Profiling of HMGN1 Reveals an Association with Chromatin at Regulatory Regions
High mobility group (HMG) proteins interact with other architectural proteins to regulate chromatin structure. We performed genome-wide mapping experiments to examine the distribution of HMGN1 across the human genome. We discovered that HMGN1 proteins are enriched at regulatory regions such as DNas...
ORGANISM(S): Homo sapiens 
2010-11-30 | E-GEOD-25674 | biostudies-arrayexpress
TranscriptomicsFunctional analysis of KAI1
We sequenced mRNA from mouse EML cell line under Kai1 knockdown or Kai1 overexpressing condition. KAI1 belongs to tetraspanin superfamily and is known as suppressor of tumor metastasis. Examination of mRNA levels in wildtype (WT) and KAI1 knockdown EML cells were generated by deep sequencing, in dup...
ORGANISM(S): Mus musculus 
2016-03-31 | E-GEOD-56867 | biostudies-arrayexpress
GenomicsCTCF demarcates chromatin domains
Insulators are DNA elements, which prevent inappropriate interactions between the neighboring regions of the genome. They can be functionally classified as either enhancer blockers or domain barriers. CTCF (CCCTC binding factor) is the only known major insulator binding protein in the vertebrates a...
ORGANISM(S): Homo sapiens 
2008-10-20 | E-GEOD-12889 | 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
GenomicsGlobal Mapping of Histone H3 K4 and K27 Trimethylation: Lineage Fate Determination of Differentiating CD4+ T Cells
Multipotential naïve CD4+ T cells differentiate into distinct lineages including Th1, Th2, Th17, and inducible T regulatory (iTreg) cells. The remarkable diversity of CD4+ T cells begs the question whether the observed changes reflect terminal differentiation with heritable epigenetic modifications ...
ORGANISM(S): Mus musculus 
2009-01-21 | E-GEOD-14254 | biostudies-arrayexpress
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