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GenomicsSequential ChIP-bisulfite sequencing enables direct genome-scale investigation of chromatin and DNA methylation cross-talk
Cross-talk between DNA methylation and histone modifications drives the establishment of composite epigenetic signatures and is traditionally studied using correlative rather than direct approaches. Here we present sequential ChIP-bisulfite-sequencing (ChIP- BS-seq) as an approach to quantitatively ...
ORGANISM(S): Homo sapiens 
2012-03-27 | E-GEOD-28254 | biostudies-arrayexpress
GenomicsPML-RARa/RXR alters the epigenetic landscape in Acute Promyelocytic Leukemia
Many different molecular mechanisms have been suggested to be associated with PML-RAR dependent transformation of haematopoietic progenitors. Here, we investigated the role of PML-RAR and RXR in the organization of epigenetic structures at a genome-wide level. We identified 2722 high confidence PML-...
ORGANISM(S): Homo sapiens 
2009-12-17 | E-GEOD-18886 | biostudies-arrayexpress
TranscriptomicsHairpin RNA induces secondary small interfering RNA synthesis and silencing in trans in fission yeast
We provide evidence of the generation of Rdp1-mediated secondary siRNAs in vivo in fission yeast. Secondly, we show that the presence of Ago1-associated siRNAs does not guarantee robust silencing. We obtained sequences from gel purified small RNAs of wt and rdp1delta fission yeast cells and FLAG-ago...
ORGANISM(S): Schizosaccharomyces pombe 
2010-02-15 | E-GEOD-20330 | biostudies-arrayexpress
GenomicsOncofusion protein AML1-ETO targets ERG factor binding sites in AML
ERG has been identified as an essential factor for the function and maintenance of adult hematopoietic stem cells and high ERG expression is a negative prognostic marker for treatment outcome in AML. The molecular function of ERG and its interplay with other factors is however largely unknown. Here ...
ORGANISM(S): Homo sapiens 
2012-09-18 | E-GEOD-23730 | biostudies-arrayexpress
GenomicsComparative genome-wide DNA methylation analysis of colorectal tumor and matched normal tissues
In our study we applied a genome-wide DNA methylation analysis approach, MethylCap-seq, to map the differentially methylated regions in 24 tumor and matched normal colon samples. In total, 2687 frequently hypermethylated and 468 frequently hypomethylated regions were identified, which include potent...
ORGANISM(S): Homo sapiens 
2012-10-26 | E-GEOD-39068 | biostudies-arrayexpress
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