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PML nuclear bodies form a regulatory hub via liquid-liquid phase separation for TRIM33 control of Lefty1/2 genes in mouse embryonic stem cells [CHIP-seq]

ABSTRACT: PML nuclear bodies form a regulatory hub via liquid-liquid phase separation for TRIM33 control of Lefty1/2 genes in mouse embryonic stem cells [CHIP-seq]

PROVIDER: PRJNA821413 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18533146_1.fastq.gz	Fastqsanger.gz
	SRR18533146_2.fastq.gz	Fastqsanger.gz
	SRR18533147_1.fastq.gz	Fastqsanger.gz
	SRR18533147_2.fastq.gz	Fastqsanger.gz
	SRR18533148_1.fastq.gz	Fastqsanger.gz

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PML nuclear bodies form a regulatory hub via liquid-liquid phase separation for TRIM33 control of Lefty1/2 genes in mouse embryonic stem cells [RNA-seq]

Project description:TRIM33 is a chromatin reader required for nodal signaling during mesendoderm differentiation, although differences in its function between mouse embryonic stem cells (mESCs) and differentiated mesendoderm cells are unknown. Here, we found that TRIM33 co-condenses with PML nuclear bodies (NBs) via liquid-liquid phase separation specifically in mESCs to mediate nodal signaling-directed transcription of Lefty1/2. Our findings show that TRIM33 puncta formation depends on the presence of PML NBs. TurboID proximity labeling further revealed that PML NBs recruit distinct sets of client proteins in NaAsO2-treated, untreated mESCs, and differentiated cells. TRIM33 and PML co-regulate Lefty1/2 expression, while PML NBs directly associate with the Lefty1/2 loci and regulate a gene cluster that includes Lefty1/2 loci specifically in mESCs. Moreover, TRIM33 association with chromatin depends on PML NBs. Thus, PML NBs serve as a hub for transcriptional regulation of Lefty1/2 by TRIM33 and other pluripotency factors in mESCs.

2022-12-08 | GSE199737 | GEO

PML nuclear bodies form a regulatory hub via liquid-liquid phase separation for TRIM33 control of Lefty1/2 genes in mouse embryonic stem cells [CHIP-seq]

2022-12-08 | GSE199736 | GEO

Recruitment of TRIM33 to cell-context specific PML nuclear bodies regulates Nodal signaling in mESCs

Project description:TRIM33 is a chromatin reader required for mesendoderm differentiation upon activation of Nodal signaling. But, its role in mESCs is still elusive. Here, we found that TRIM33 co-localizes with promyelocytic leukemia nuclear bodies (PML NBs) specifically in mESCs to mediate Nodal signaling-directed transcription of Lefty1/2. We showed that TRIM33 puncta formation in mESCs depends on PML and specific assembly of PML NBs. Moreover, TRIM33 and PML co-regulate Lefty1/2 expression in mESCs. In addition, both PML and mESCs-specific PML NBs are required for TRIM33 recruitment at Lefty1/2 loci. Remarkably, PML NBs directly associate with the Lefty1/2 loci in mESCs. Finally, a TurboID proximity labeling experiment confirmed that TRIM33 is highly enriched in the mESCs-specific PML NBs. Thus, our study provides the mechanistic insight about TRIM33 condensate in regulating Nodal signaling-directed transcription in mESCs, it also reveals that PML NBs recruit distinct sets of client proteins in cell context dependent manner.

2022-12-08 | GSE199738 | GEO

PML nuclear bodies form a regulatory hub via liquid-liquid phase separation for TRIM33 control of Lefty1/2 genes in mouse embryonic stem cells [RNA-seq]

Project description:PML nuclear bodies form a regulatory hub via liquid-liquid phase separation for TRIM33 control of Lefty1/2 genes in mouse embryonic stem cells [RNA-seq]

| PRJNA821412 | ENA

Recruitment of TRIM33 to cell-context specific PML nuclear bodies regulates Nodal signaling in mESCs

Project description:Recruitment of TRIM33 to cell-context specific PML nuclear bodies regulates Nodal signaling in mESCs

| PRJNA821409 | ENA

Genome-wide maps of Trim33, Ctcf and H3K27ac binding in embryoid bodies

Project description:We report high throughput profiling and co-occupancy of Trim33, Ctcf and H3K27ac in differentiating embryoid bodies derived from mouse embryonic stem cells. An average of ~37 million reads were generated for each of the described samples and input sample generating 4,426, 52,446, 30,047 peaks respectively for Trim33, CTCF and H3K27ac. Motif enrichment analyses for Trim33 ChiP-Seq data returned CTCF and BORIS (CTCF analog) motifs as best matches. Of the merged peaks, 723 were shared by Trim33, CTCF as well as H3K27ac. In addition, 1299 peaks were shared by Trim33 and CTCF, 1131 were shared by Trim33 and H3K27ac and 3321 were shared by CTCF and H3K27ac.

2019-01-01 | GSE119874 | GEO

Recruitment of TRIM33 to cell-context specific PML nuclear bodies regulates nodal signaling in mESCs.

Project description:TRIM33 is a chromatin reader required for mammalian mesendoderm differentiation after activation of Nodal signaling, while its role in mESCs is still elusive. Here, we report that TRIM33 co-localizes with promyelocytic leukemia nuclear bodies (PML-NBs) specifically in mESCs, to mediate Nodal signaling-directed transcription of Lefty1/2. We show that TRIM33 puncta formation in mESCs depends on PML and on specific assembly of PML-NBs. Moreover, TRIM33 and PML co-regulate Lefty1/2 expression in mESCs, with both PML protein and formation of mESCs-specific PML-NBs being required for TRIM33 recruitment to these loci, and PML-NBs directly associating with the Lefty1/2 loci. Finally, a TurboID proximity-labeling experiment confirmed that TRIM33 is highly enriched only in mESCs-specific PML-NBs. Thus, our study supports a model in which TRIM33 condensates regulate Nodal signaling-directed transcription in mESCs and shows that PML-NBs can recruit distinct sets of client proteins in a cell-context-dependent manner.

| S-EPMC9890237 | biostudies-literature

The Sp100 component of ND10/PML bodies is a potent tumor suppressor

Project description:Identifying the functions of proteins, which define specific subnuclear structures and territories, is important for understanding eukaryotic nuclear dynamics. Sp100 is a prototypical protein of ND10/PML bodies and co-localizes with the proto-oncogenic protein PML and Daxx, proteins with critical roles in oncogenic transformation, interferon-mediated viral resistance and response to PML-directed cancer therapeutics. Sp100 isoforms contain PHD, Bromo and HMG domains and are highly sumoylated at ND10/PML bodies, all characteristics suggestive of a role in chromatin mediated gene regulation. However, no clear role for the Sp100 component of PML bodies in oncogenesis has been defined. Using isoform-specific knockdown techniques, we show that most human diploid fibroblasts, which lack Sp100, rapidly senesce and discuss gene expression changes associated with this rapid senescence.

2012-12-04 | GSE20613 | GEO

Dynamics of TRIM33 binding in macrophages and effects of TRIM33 deletion on chromatin state during activation of primary macrophages.

Project description:To get insight into TRIM33 functions, TRIM33 ChIP-seq was carried out in murine macrophage cell line (RAW) and in bone marrow-derived macrophages (BMDM). The results showed that, in addition to its role in hematopoietic differentiation, TRIM33 may modulate PU.1 transcriptional activity during macrophage development and/or activation.To characterize the role of TRIM33 in macrophages, we bred TRIM33fl/fl mice with Lyz-Cre mice where the Cre recombinase gene is under the regulatory sequences of the Lyz gene that is expressed only in mature myeloid cells. Bone marrow cells from LyzCre/Trim33+/+ mice and LyzCre/Trim33flox/flox mice were differentiated in macrophages and treated during 0h, 4h, 12h and 24h with LPS. Using ChIP-seq, we provide a link between TRIM33 binding and H3K4me3 spreading on inflammatory genes in macrophages. Chromatin immunoprecipitations of TRIM33 and H3K4Me3 followed by multiparallel sequencing performed in murine bone marrow-derived macrophages (BMDM).

2015-11-23 | E-GEOD-43654 | biostudies-arrayexpress

The Sp100 component of ND10/PML bodies is a potent tumor suppressor

Project description:The Sp100 component of ND10/PML bodies is a potent tumor suppressor: accelerated senescence and rapid malignant transformation of human fibroblasts through modulation of an embryonic stem cell program. Identifying the functions of proteins, which define specific subnuclear structures and territories, is important for understanding eukaryotic nuclear dynamics. Sp100 is a prototypical protein of ND10/PML bodies and colocalizes with the proto-oncogenic protein PML and Daxx, proteins with critical roles in oncogenic transformation, interferon-mediated viral resistance and response to PML-directed cancer therapeutics. Sp100 isoforms contain PHD, Bromo and HMG domains and are highly sumoylated at ND10/PML bodies, all characteristics suggestive of a role in chromatin mediated gene regulation. However, a clear role for Sp100 in oncogenesis has not been defined. Using isoform-specific knockdown techniques, we show that most human diploid fibroblasts, which lack Sp100, rapidly senesce. microarray analysis of mRNAs expression in BJV (collected at passage 47) and BJ-S (collected at passage 35). In addition, samples were treated for 24 h with 1000 U/ml IFNB. All RNAs were collected in triplicates of biological samples.

2012-12-04 | E-GEOD-20613 | biostudies-arrayexpress

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