Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA139457 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR403108.fastq.gz | Fastqsanger.gz | |||
| SRR403109.fastq.gz | Fastqsanger.gz | |||
| SRR403110.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 3 of 3 |
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Project description:Aberrations in epigenetic processes, such as histone methylation, can lead to cancer. Retinoblastoma Binding Protein 2 (RBP2)(also called JARID1A or KDM5A) can demethylate tri- and di-methylated lysine 4 in histone H3, which are epigenetic marks for transcriptionally active chromatin, whereas the MEN1 tumor suppressor promotes H3K4 methylation. Previous studies suggested that inhibition of RBP2 contributed to tumor suppression by pRB. Here we show RBP2 loss promotes cellular differentiation in vitro. We use mouse expression array 430 2.0 array to profile gene expression patterns of Rbp2f/f and Rbp2-/- ES cells in ES cell medium and after 6 days in ES cell medium without LIF.
2011-07-20 | GSE26446 | GEO
Project description:Histone H3K4 methylation has been linked to transcriptional activation. JARID1A (also known as RBP2 or KDM5A), a member of the JARID1 protein family, is an H3K4 demethylase, previously implicated in the regulation of transcription and differentiation. Here we show that JARID1A is physically and functionally associated with two histone deacetylase complexes. Immunoaffinity purification of JARID1A confirmed a previously described association with the SIN3B-containing HDAC complex, and revealed an association with the nucleosome remodeling and deacetylase (NuRD) complex. Sucrose density gradient and sequential immunoprecipitation analyses further confirmed the stable association of JARID1A with these two HDAC complexes. JARID1A depletion led to changes in the expression of hundreds of genes, two-thirds of which were also controlled by CHD4, the NuRD catalytic subunit. Gene ontology analysis confirmed that the genes commonly regulated by both JARID1A and CHD4 were categorized as developmentally regulated genes. ChIP analyses suggested that CHD4 controls chromatin association with JARID1A and modulates H3K4 levels at the promoter and coding regions of target genes. We further demonstrated that the C. elegans homologues of JARID1 and CHD4 function in the same pathway during vulva development. Taken together, these results suggest that JARID1A and the NuRD complex cooperatively function to control developmentally regulated genes. Genome-wide transcriptomic analysis of HeLa cells transfected with JARID1A complex component siRNA
2014-02-21 | E-GEOD-55206 | biostudies-arrayexpress
Project description:Aberrations in epigenetic processes, such as histone methylation, can lead to cancer. Retinoblastoma Binding Protein 2 (RBP2)(also called JARID1A or KDM5A) can demethylate tri- and di-methylated lysine 4 in histone H3, which are epigenetic marks for transcriptionally active chromatin, whereas the MEN1 tumor suppressor promotes H3K4 methylation. Previous studies suggested that inhibition of RBP2 contributed to tumor suppression by pRB. Here we show RBP2 loss promotes cellular differentiation in vitro. We use mouse expression array 430 2.0 array to profile gene expression patterns of Rbp2f/f and Rbp2-/- ES cells in ES cell medium and after 6 days in ES cell medium without LIF. Subconfluent Rbp2f/f and Rbp2-/- ES cells in ES cell medium and after 6 days in ES cell medium without LIF were harvested for RNA isolation using RNeasy mini kit with on-column DNase digestion (Qiagen). Gene expression profiling was performed using Affymetrix GeneChip mouse genome 430 2.0 arrays. Duplicate samples were used
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