Profiles of JARID1B target genes in MCF-7 cell line
Ontology highlight
ABSTRACT:
ORGANISM(S): Homo sapiens
PROVIDER: GSE25214 | GEO | 2010/11/10
SECONDARY ACCESSION(S): PRJNA134333
REPOSITORIES: GEO
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Project description:Using ChIP-DSL technology from AVIVA SYSTEMS BIOLOGY to find out the targets of JARID1B on whole genome. Enriched DNA from Chromatin IP of JARID1B was analyzed by arrays, normal IgG was used as negative control.
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Project description:Using ChIP-DSL technology from Aviva Systems Biology to find out the whole genome targets for ZIP transcription repressor We analyzed arrays using specific ZIP antibody and negative control to acquire the enriched ratio of each gene
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Project description:Using ChIP-DSL technology from AVIVA SYSTEMS BIOLOGY to find out the whole genome targets for LSD1, MTA1, MTA2, and MTA3 We analyzed arrays using antibodies against LSD1, MTA1, MTA2, or MTA3 and negative control to acquire the enriched ratio of each gene.
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Project description:Embryonic development is tightly regulated by transcription factors and chromatin-associated proteins. H3K4me3 is associated with active transcription and H3K27me3 with gene repression, while the combination of both keeps genes required for development in a plastic state. Here we show that deletion of the H3K4me2/3 histone demethylase Jarid1b (Kdm5b/Plu1) results in major neonatal lethality due to respiratory failure. Jarid1b knockout embryos have several neural defects including disorganized cranial nerves, defects in eye development and increased incidences of exencephaly. Moreover, in line with an overlap of Jarid1b and Polycomb targets genes, Jarid1b knockout embryos display homeotic skeletal transformations typical for Polycomb mutants. Genome-wide analysis demonstrated that normally inactive genes encoding developmental regulators acquire aberrant H3K4me3 in early Jarid1b knockout embryos. H3K4me3 accumulates as embryonic development proceeds, leading to increased expression of neural master regulators in knockouts. Taken together, these results suggest that Jarid1b contributes to mouse development by protecting developmental genes from inappropriate acquisition of active histone modifications. * Lack of Jarid1b leads to major neonatal lethality and defects in neural systems * Jarid1b mutants display homeotic skeletal transformations * H3K4me3 is increased at inactive transcriptional regulators in Jarid1b-/- embryos * Chromatin changes are accompanied by elevated levels of key neural transcription factors
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Project description:Embryonic development is tightly regulated by transcription factors and chromatin-associated proteins. H3K4me3 is associated with active transcription and H3K27me3 with gene repression, while the combination of both keeps genes required for development in a plastic state. Here we show that deletion of the H3K4me2/3 histone demethylase Jarid1b (Kdm5b/Plu1) results in major neonatal lethality due to respiratory failure. Jarid1b knockout embryos have several neural defects including disorganized cranial nerves, defects in eye development and increased incidences of exencephaly. Moreover, in line with an overlap of Jarid1b and Polycomb targets genes, Jarid1b knockout embryos display homeotic skeletal transformations typical for Polycomb mutants. Genome-wide analysis demonstrated that normally inactive genes encoding developmental regulators acquire aberrant H3K4me3 in early Jarid1b knockout embryos. H3K4me3 accumulates as embryonic development proceeds, leading to increased expression of neural master regulators in knockouts. Taken together, these results suggest that Jarid1b contributes to mouse development by protecting developmental genes from inappropriate acquisition of active histone modifications. * Lack of Jarid1b leads to major neonatal lethality and defects in neural systems * Jarid1b mutants display homeotic skeletal transformations * H3K4me3 is increased at inactive transcriptional regulators in Jarid1b-/- embryos * Chromatin changes are accompanied by elevated levels of key neural transcription factors
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Project description:We analyzed the genome-wide binding profile of Jarid1b in mouse ESCs. We find that Jarid1b localizes mainly to transcription start sites, of which more than 50% are also bound by Polycomb proteins and are enriched for genes encoding developmental regulators. Furthermore, we generated genome-wide mapping of H3K4me3 in LKO Scramble and LKO Jarid1b mouse ESCs. Virtually all Jarid1b binding sites are positive for H3K4me3. Upon knockdown of Jarid1b, H3K4me3 is significantly increased at Jarid1b positive regions.
2011-10-27 | GSE31966 | GEO
Project description:Embryonic development is tightly regulated by transcription factors and chromatin-associated proteins. H3K4me3 is associated with active transcription and H3K27me3 with gene repression, while the combination of both keeps genes required for development in a plastic state. Here we show that deletion of the H3K4me2/3 histone demethylase Jarid1b (Kdm5b/Plu1) results in major neonatal lethality due to respiratory failure. Jarid1b knockout embryos have several neural defects including disorganized cranial nerves, defects in eye development and increased incidences of exencephaly. Moreover, in line with an overlap of Jarid1b and Polycomb targets genes, Jarid1b knockout embryos display homeotic skeletal transformations typical for Polycomb mutants. Genome-wide analysis demonstrated that normally inactive genes encoding developmental regulators acquire aberrant H3K4me3 in early Jarid1b knockout embryos. H3K4me3 accumulates as embryonic development proceeds, leading to increased expression of neural master regulators in knockouts. Taken together, these results suggest that Jarid1b contributes to mouse development by protecting developmental genes from inappropriate acquisition of active histone modifications. * Lack of Jarid1b leads to major neonatal lethality and defects in neural systems * Jarid1b mutants display homeotic skeletal transformations * H3K4me3 is increased at inactive transcriptional regulators in Jarid1b-/- embryos * Chromatin changes are accompanied by elevated levels of key neural transcription factors Determining H3K4me3 and H3K27me3 in early (E8.5) mouse embryos
2013-04-26 | E-GEOD-41172 | biostudies-arrayexpress
Project description:Embryonic development is tightly regulated by transcription factors and chromatin-associated proteins. H3K4me3 is associated with active transcription and H3K27me3 with gene repression, while the combination of both keeps genes required for development in a plastic state. Here we show that deletion of the H3K4me2/3 histone demethylase Jarid1b (Kdm5b/Plu1) results in major neonatal lethality due to respiratory failure. Jarid1b knockout embryos have several neural defects including disorganized cranial nerves, defects in eye development and increased incidences of exencephaly. Moreover, in line with an overlap of Jarid1b and Polycomb targets genes, Jarid1b knockout embryos display homeotic skeletal transformations typical for Polycomb mutants. Genome-wide analysis demonstrated that normally inactive genes encoding developmental regulators acquire aberrant H3K4me3 in early Jarid1b knockout embryos. H3K4me3 accumulates as embryonic development proceeds, leading to increased expression of neural master regulators in knockouts. Taken together, these results suggest that Jarid1b contributes to mouse development by protecting developmental genes from inappropriate acquisition of active histone modifications. * Lack of Jarid1b leads to major neonatal lethality and defects in neural systems * Jarid1b mutants display homeotic skeletal transformations * H3K4me3 is increased at inactive transcriptional regulators in Jarid1b-/- embryos * Chromatin changes are accompanied by elevated levels of key neural transcription factors RNA was extracted from heads of E8.5 embryos, three pools of 4 heads each were used per genotype
2013-04-26 | E-GEOD-41171 | biostudies-arrayexpress