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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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ChIP-seq of NuRD components and pluripotency factors in wild-type, Mbd3 and Sall4/1 mutant embryonic stem cells

ABSTRACT: Members of the Nucleosome Remodeling and Deacetylase (NuRD) complex Mbd3 and Mi2beta (Chd4) along with pluripotency regulators Nanog, Oct4, Klf4 and Esrrb were profiled for chromatin association by ChIP-seq in mouse embryonic stem cells mutant for Mbd3, Sall4 and/or the related Sall1 pluripotency-associated factors.

INSTRUMENT(S): Illumina HiSeq 2500

ORGANISM(S): Mus musculus

SUBMITTER: Paul Bertone

PROVIDER: E-MTAB-4565 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Sall4 controls differentiation of pluripotent cells independently of the Nucleosome Remodelling and Deacetylation (NuRD) complex.

Miller Anzy A Ralser Meryem M Kloet Susan L SL Loos Remco R Loos Remco R Nishinakamura Ryuichi R Bertone Paul P Vermeulen Michiel M Hendrich Brian B

Development (Cambridge, England) 20160728 17

Sall4 is an essential transcription factor for early mammalian development and is frequently overexpressed in cancer. Although it is reported to play an important role in embryonic stem cell (ESC) self-renewal, whether it is an essential pluripotency factor has been disputed. Here, we show that Sall4 is dispensable for mouse ESC pluripotency. Sall4 is an enhancer-binding protein that prevents precocious activation of the neural gene expression programme in ESCs but is not required for maintenanc ...[more]

PMID: 27471257

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RNA-seq of wild-type, Mbd3 and Sall4/1 mutant mouse embryonic stem cells

Project description:Mouse embryonic stem cells mutant for Mbd3, Sall4 and/or the related Sall1 pluripotency-associated factors were cultured in self-renewing and neural differentiation conditions and profiled by RNA-seq.

2016-08-09 | E-MTAB-4566 | biostudies-arrayexpress

Stoichiometry of MBD2 vs. MBD3-NuRD

Project description:To obtain a comprehensive and quantitative view on MBD2 vs MBD3-NuRD complex stoichiometry, we performed biotin co-immunoprecipitations in Mbd3 KO ES cells expressing either biotin-tagged MBD2a or MBD3a and identified known NuRD complex members using label-free mass spectrometry (Supplementary Fig. 8b-c). We then calculated the intensity-based absolute quantification (iBAQ) values of the most predominant and statistically significant MBD-interacting proteins in both cell lines, which can be used to estimate the relative abundance. While we observe very similar complex composition between MBD2a-NuRD and MBD3a-NuRD, peptides shared between SALL1-4 proteins show a preferred interaction with the MBD2a-NuRD complex.

2023-06-30 | PXD042407 | Pride

NURD dependent Reprogramming by Sall4-Jdp2-Esrrb-Glis1 (RNA-seq)

Project description:Cell fate decision involves rewiring of the genome, but remains poorly understood at the chromatin level. We report a system to reprogramming somatic cells to pluripotency by four factor combination (Sall4, Esrrb, Jdp2, Glis1). Mechanism study demonstrate that the Sall4-NuRD axis plays a critical role in the early phase of reprogramming. These results identify a previously unrecognized role of NuRD in reprogramming, may help establish early chromatin closing as a pre-requisite step in cell fate control.

2022-10-12 | GSE199613 | GEO

NURD dependent Reprogramming by Sall4-Jdp2-Esrrb-Glis1 (ChIP-seq)

2022-10-12 | GSE199612 | GEO

NURD dependent Reprogramming by Sall4-Jdp2-Esrrb-Glis1 (ATAC-seq)

2022-10-12 | GSE199609 | GEO

Titration of Sall4 by the NuRD complex facilitates neural differentiation of ES cells

Project description:Sall4 is a transcription factor essential for early mammalian development. Though it is reported to play an important role in embryonic stem (ES) cell self-renewal, whether it is an essential pluripotency factor has been disputed. Though Sall4 is known to associate with the Nucleosome Remodeling and Deacetylase (NuRD) complex, the nature of this interaction is unclear as NuRD and Sall4 serve opposing functions in ES cells. Here we use defined culture conditions and single-cell gene expression analyses to show that Sall4 prevents activation of the neural gene expression programme in ES cells but is dispensable for maintaining the pluripotency gene regulatory network. We further show using genome-wide analyses that while Sall4 interacts with NuRD, it neither recruits NuRD to chromatin nor influences transcription via NuRD. Rather we propose a model where, by titrating Sall4 protein, NuRD limits the differentiation-inhibiting activity of Sall4 in ES cells to enable lineage commitment.

2016-08-02 | PXD003614 | Pride

Effects of MBD3 depletion on nucleosome occupancy in MCF-7 cells

Project description:We and others have identified that MBD3/NuRD localizes at active promoters and enhancers, suggesting an active role of NuRD at open chromatin region. Because NuRD includes nucleosome remodelers, CHD3 and CHD4, we hypothesized that NuRD regulates nucleosome organization at open chromatin region. To test this idea, we performed micrococcal nuclease digestion followed by massively parallel sequencing (MNase-seq) in MBD3 knockdowned MCF-7 cells. We observed the decrease of nucleosome occupancy at promoters and enhancers in MBD3 knockdowned cells. Our results suggest a regulatory role of MBD3/NuRD at open chromatin region. Mapped nucleosome positioning in control (shLuc) and MBD3 knockdowned MCF-7 cells, in duplicate.

2013-10-31 | E-GEOD-51097 | biostudies-arrayexpress

Effects of MBD3 depletion on nucleosome occupancy in MCF-7 cells

2013-10-31 | GSE51097 | GEO

SALL4 Crud ChIP sequencing-WT and RNA-seq of SNU398 cells treated with therapeutic SALL4 peptides

Project description:SALL4 is a nuclear factor central to the maintenance of stem cell pluripotency and is a key component in HCC, a malignancy with no effective treatment. In cancer cells, SALL4 associates with NuRD to silence tumor suppressor genes such as PTEN. Here, we design a potent therapeutic SALL4 peptide (FFW) capable of antagonizing the SALL4-NURD interaction using systematic truncation and amino acid substitution studies. To understand the pathways affected by the peptide treatment, we performed RNA sequencing on cells treated with different peptides. Furthermore, to identify SALL4 DNA binding targets, we have performed CRUD-ChIP sequencing with SALL4 and H2K27Ac antibodies on HCC cell line SNU398.

2018-07-05 | GSE112729 | GEO

Transcriptional profiling of Mbd3 knockout and wild-type embryonic stem cells

Project description:RNA-seq was performed for transcriptional analysis of wild-type mouse embryonic stem (ES) cells and an Mbd3 knockout line. Mbd3 is a core component of the Nucleosome Remodeling and Deacetylation (NuRD) complex, which modulates transcriptional heterogeneity and pluripotency gene expression in ES cells.

2012-05-04 | E-MTAB-997 | biostudies-arrayexpress

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