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GenomicsCytosine methylation and hydroxymethylation mark DNA for elimination in Oxytricha trifallax.
We report the existence of both methylcytosine and hydroxymethylcytosine in the genomic DNA of the ciliate Oxytricha trifallax during its genome rearrangement process. These modifications are dynamically added, de novo, to sequences targeted for elimination and are not present after the rearrangemen...
ORGANISM(S): Oxytricha trifallax 
2012-09-26 | E-GEOD-41060 | biostudies-arrayexpress
TranscriptomicsGain of the oncostatin M receptor in cervical squamous cell carcinoma is associated with adverse clinical outcome [camb1Mb data]
For many oncogenes, increased expression resulting from copy number gain confers a selective advantage to cells that consequently make up the tumour bulk. To identify oncogenes of potential biological significance in cervical squamous cell carcinoma (SCC), 36 primary samples and ten cell lines were ...
ORGANISM(S): Homo sapiens 
2011-02-16 | E-GEOD-27332 | biostudies-arrayexpress
TranscriptomicsGain of the oncostatin M receptor in cervical squamous cell carcinoma is associated with adverse clinical outcome [penn1Mb data]
For many oncogenes, increased expression resulting from copy number gain confers a selective advantage to cells that consequently make up the tumour bulk. To identify oncogenes of potential biological significance in cervical squamous cell carcinoma (SCC), 36 primary samples and ten cell lines were ...
ORGANISM(S): Homo sapiens 
2011-02-16 | E-GEOD-27331 | biostudies-arrayexpress
TranscriptomicsLeishmania major promastigote ChIP-chip: TBP, SNAP50, acetylH3
The goal of this study is to identify likely sites of polycistronic transcription initiation in a kinetoplastid parasite. Peaks in histone H3 acetylations were found to mark these likely sites, with TBP and SNAP50 enriched upstream of these acetylation peaks. Acetylation peaks are greater in rapid...
ORGANISM(S): Leishmania major 
2010-05-16 | E-GEOD-13415 | biostudies-arrayexpress
UnknownLong-range chromosomal interactions increase and mark repressed gene expression during adipogenesis.
Not available
S-EPMC9665133 | biostudies-literature
TranscriptomicsTargeting H3K4 methylation as a therapeutic strategy for Huntington's disease (RNA-seq)
Transcriptional dysregulation is an early feature of Huntington's disease (HD). We observed gene-specific changes in H3K4me3 at transcriptionally repressed promoters in R6/2 mouse and human HD brain. Genome-wide analysis showed a novel chromatin signature for this mark. Reducing the levels of the H3...
ORGANISM(S): Mus musculus 
2013-07-18 | E-GEOD-48962 | biostudies-arrayexpress
GenomicsDynamics of Genomic H3K27me3 Domains and Role of EZH2 during Pancreatic Endocrine Specification
Endoderm cells undergo a sequence of fate choices to generate insulin-secreting M-NM-2 cells. Studies of chromatin transitions during this process have been limited to the pancreatic progenitor stage that can be reconstituted from stem cells in vitro, with a gap in understanding the induction of end...
ORGANISM(S): Mus musculus 
2014-07-28 | E-GEOD-56617 | biostudies-arrayexpress
GenomicsPOLIISER5 and POLIISER2 ChIP-Seq in mutant RNAi LID Drosophila Melanogaster
LID is a histone demethylase acting on H3K4me3, a mark related to transcription and found near the transcription start sites (TSS) of the genes. We analyzed where POLIISER5 and POLIISER2 are localized in LID RNAi mutants. 1 sample for POLIISER5 with an input control, and 1 sample for POLIISER2 with ...
ORGANISM(S): Drosophila melanogaster 
2012-09-04 | E-GEOD-40599 | biostudies-arrayexpress
MetabolomicsInhibition of glycolysis and mitochondrial respiration promotes radiosensitisation of neuroblastoma and glioma cells

BACKGROUND: Neuroblastoma accounts for 7% of paediatric malignancies but is responsible for 15% of all childhood cancer deaths. Despite rigorous treatment involving chemotherapy, surgery, radiotherapy and immunotherapy, the 5-year overall survival rate of high-risk disease remai...

2022-11-30 | MTBLS858 | MetaboLights
Transcriptomics5-azacytidine treatment reorganizes genomic histone modification patterns
Methylation of DNA in combination with histone modifications establishes an epigenetic code that ensures the proper control of gene expression. Although DNA methyltransferases have been shown to interact with histone methyltransferases such as EZH2 (which methylates histone H3 on lysine 27) and G9a ...
ORGANISM(S): Homo sapiens 
2010-04-09 | E-GEOD-20598 | biostudies-arrayexpress
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