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Gene expression profile in Yaf2 KD and/or RYBP KO ES cells.

ABSTRACT: Gene expression change by Yaf2 KD in wild type or RYBP KO ES cells. Total RNAs were extracted from the respective ES cells, and were subjected to microarray analysis using Affymetrix GeneChip Mouse Genome 430A 2.0 arrays

ORGANISM(S): Mus musculus

SUBMITTER: Takaho Endo

PROVIDER: E-GEOD-32288 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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RYBP represses endogenous retroviruses and preimplantation- and germ line-specific genes in mouse embryonic stem cells.

Hisada Kaori K Sánchez Carmen C Endo Takaho A TA Endoh Mitsuhiro M Román-Trufero Mónica M Sharif Jafar J Koseki Haruhiko H Vidal Miguel M

Molecular and cellular biology 20120123 6

Polycomb repressive complexes (PRCs) are important chromatin regulators of embryonic stem (ES) cell function. RYBP binds Polycomb H2A monoubiquitin ligases Ring1A and Ring1B and has been suggested to assist PRC localization to their targets. Moreover, constitutive inactivation of RYBP precludes ES cell formation. Using ES cells conditionally deficient in RYBP, we found that RYBP is not required for maintenance of the ES cell state, although mutant cells differentiate abnormally. Genome-wide chro ...[more]

PMID: 22269950

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Expression data from wild-type and Rybp-deficient ES cells

Project description:We used microarrays to investigate a global change in gene expression by conditional depletion of Rybp in mouse ES cells. Total RNAs were extracted from wild-type and Rybp-deficient ES cells, and were subjected to microarray analysis using Affymetrix GeneChip Mouse Genome 430A 2.0 arrays

2012-04-03 | E-GEOD-32287 | biostudies-arrayexpress

Expression regulation by RYBP in mouse embryonic stem cells

Project description:Polycomb repressive complexes (PRCs) are important chromatin regulators of ES cell function. RYBP binds Polycomb H2A monoubiquitin ligases Ring1A and Ring1B, and has been suggested to participate in localizing Polycomb complexes to their targets. Moreover, constitutive inactivation of RYBP precludes ES cell formation. Here we have used ES cells conditionally deficient in RYBP to investigate RYBP function. Chromosome immunoprecipitation on a chip (ChIP-chip) of RYBP and microarray experiments were performed using wild type and knocked-out ES cells. Gene expression profiling of WT, conditionally deficient in RYBP with or without Yaf2 RNAi, and ChIP-chip of RYBP on promoters of WT, Dnmt1-KO or Eed-KO ES cells.

2012-04-03 | E-GEOD-32294 | biostudies-arrayexpress

Elucidation of BMI1, RYBP and H2AK119ub interactomes in Glioblastoma

Project description:Identification of BMI1, RYBP and H2AK119UB interactome in Glioblastoma (GBM) to elucidate BMI1 roles independent of the PRC1-complex in GBM.

2021-09-09 | PXD022057 | Pride

Rybp ChIP-chip in mouse ES cells

Project description:Rybp binding in wild-type, Eed-KO, and Dnmt1-KO ES cells ChIP on chip analysis was carried out using the Mouse Promoter ChIP-on-chip Microarray Set (G4490A, Agilent-014716 and Agilent-014717, Palo Alto, Calif., USA). ESCs were subjected to ChIP assay using a Rybp antibody (Santa Cruz; H-115). Purified immunoprecipitated and input DNA was subjected to T7 RNA polymerase-based amplification as described previously (van Bakel et al., 2008). Labeling, hybridization and washing were carried out according to the Agilent mammalian ChIP-on-chip protocol (ver.9.0). Scanned images were quantified with Agilent Feature Extraction software under standard conditions.

2012-04-03 | E-GEOD-32289 | biostudies-arrayexpress

Gene expression profile in Yaf2 KD and/or RYBP KO ES cells.

Project description:Gene expression change by Yaf2 KD in wild type or RYBP KO ES cells.

2012-04-04 | GSE32288 | GEO

HoxB4 in hematopoietic stem cells

Project description:Ectopic expression of homeodomain transcription factor HoxB4 in mouse ES cells enhances in vitro development of hematopoietic stem cells (HSCs). Mouse ES cells were differentiated for 6 days in EBs, then c-Kit+CD41+ hematopoietic precursor cells were isolated, plated onto OP9 cells, and transduced with the GFP control or 3M-CM-^WFLAG-tagged HoxB4 retrovirus. At day 12 of the co-culture with OP9 cells, c-Kit+ progenitor cells overexpressing HoxB4 were collected by magnetic-activated cell sorting (MACS) and subjected to a ChIP-chip and microarray analysis. The purity of the recovered c-Kit+ cells was more than 95% as judged by flow cytometry.

2011-05-23 | E-GEOD-26653 | biostudies-arrayexpress

Expression regulation by RYBP in mouse embryonic stem cells

Project description:Polycomb repressive complexes (PRCs) are important chromatin regulators of ES cell function. RYBP binds Polycomb H2A monoubiquitin ligases Ring1A and Ring1B, and has been suggested to participate in localizing Polycomb complexes to their targets. Moreover, constitutive inactivation of RYBP precludes ES cell formation. Here we have used ES cells conditionally deficient in RYBP to investigate RYBP function. Chromosome immunoprecipitation on a chip (ChIP-chip) of RYBP and microarray experiments were performed using wild type and knocked-out ES cells. This SuperSeries is composed of the SubSeries listed below.

2012-04-04 | GSE32294 | GEO

Rybp ChIP-chip in mouse ES cells

Project description:Rybp binding in wild-type, Eed-KO, and Dnmt1-KO ES cells

2012-04-04 | GSE32289 | GEO

Expression data from wild-type and Rybp-deficient ES cells

Project description:We used microarrays to investigate a global change in gene expression by conditional depletion of Rybp in mouse ES cells.

2012-04-04 | GSE32287 | GEO

PCGF Homologs and RYBP Define Functionally Distinct PRC1 Family Complexes

Project description:The heterogeneous nature of mammalian PRC1 complexes has hindered our understanding of their biological functions. Here, we present a comprehensive proteomic and genomic analysis that uncovered six major groups of PRC1 complexes each containing a distinct PCGF subunit, a RING1A/B ubiquitin ligase, and a unique set of associated polypeptides. These PRC1 complexes differ in their genomic localization and only a small subset co-localize with H3K27me3. Further biochemical dissection revealed that the six PCGFM-bM-^@M-^SRING1A/B combinations form multiple complexes through association with RYBP or its homolog YAF2, which prevents the incorporation of other canonical PRC1 subunits such as CBX, PHC and SCM. Although both RYBP/YAF2- and CBX/PHC/SCM-containing complexes compact chromatin, only RYBP stimulates the activity of RING1B toward H2AK119ub1, suggesting a central role in PRC1 function. Knockdown of RYBP in ES cells compromised their ability to form embryoid bodies, likely because of defects in cell proliferation and maintenance of H2AK119ub1 level. ChIP-seq experiments of different PRC1 components were performed either on HA-tagged transgenic stable 293T-REx lines or on endogenous subunits using specific antibodies.

2012-02-09 | E-GEOD-34774 | biostudies-arrayexpress

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