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Genomic occupancies of MLL1 and UTX, and H3K4me3/K3K27me3 histone modifications upon hydrogen peroxide treatment in human HaCaT keratinocytes.

ABSTRACT: Genomic occupancies of MLL1 and UTX, and H3K4me3/K3K27me3 histone modifications upon hydrogen peroxide treatment in human HaCaT keratinocytes.

PROVIDER: PRJNA1052079 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR27200446_1.fastq.gz	Fastqsanger.gz
	SRR27200446_2.fastq.gz	Fastqsanger.gz
	SRR27200447_1.fastq.gz	Fastqsanger.gz
	SRR27200447_2.fastq.gz	Fastqsanger.gz
	SRR27200448_1.fastq.gz	Fastqsanger.gz

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Genomic occupancies of MLL1 and UTX, and H3K4me3/K3K27me3 histone modifications upon hydrogen peroxide treatment in human HaCaT keratinocytes.

Project description:ChIP-seq analysis was conducted to investigate the effects of hydrogen peroxide (H2O2) treatment on the occupancy of MLL1 and UTX, and the associated histone modifications in HaCaT cells.

2024-03-27 | GSE250126 | GEO

Gene expression profiles under oxidative stress conditions in human HaCaT keratinocytes and the derivative cells expressing shRNA against NRF2, MLL1, or UTX.

Project description:To determine how transcriptome is altered by knockdown of NRF2, MLL1, or UTX, we performed RNA-sequencing (RNA-seq) analysis of HaCaT cells and its shRNA-expressing derivatives before and after exposure to hydrogen peroxide (H2O2) or cerium oxide nanoparticles (CeO2 NPs).

2024-03-27 | GSE250127 | GEO

Gene expression profiles under oxidative stress conditions in human HaCaT keratinocytes and the derivative cells expressing shRNA against NRF2, MLL1, or UTX.

Project description:Gene expression profiles under oxidative stress conditions in human HaCaT keratinocytes and the derivative cells expressing shRNA against NRF2, MLL1, or UTX.

| PRJNA1052078 | ENA

Utx interactome in mouse myeloid progenitor cells

Project description:Immunoprecipitation of Utx followed by mass spectrometry analysis to identify Utx binding partners in mouse myeloid progenitor cells.

2018-04-30 | PXD005011 | Pride

Alternative mRNA splicing controls functions of the human H3K27 demethylase UTX/KDM6A

Project description:The UTX/KDM6A gene encodes the UTX histone H3K27 demethylase, which plays an important role in mammalian development and is frequently mutated in cancers and particularly, in urothelial cancers. Using BioID technique, we explored the interactome of different UTX isoforms.

2024-01-28 | PXD041254 | Pride

Expression analysis on Mll1+/+ and Mll1-/- MEFs

Project description:Global analysis of H3K4 methylation defines MLL family member targets and points to a role for MLL1-mediated H3K4 methylation in the regulation of transcriptional initiation by RNA polymerase II A common landmark of activated genes is the presence of trimethylation on lysine 4 of histone H3 (H3K4) at promoter regions. The Set1/COMPASS was the founding member and the only H3K4 methylases in S. cerevisiae, however, in mammals at least six H3K4 methylases Set1A/B and MLL1-4 are found in COMPASS-like complexes capable of methylating H3K4. To gain further insight into the different roles and functional targets for the H3K4 methylases, we have undertaken a genome-wide analysis of H3K4 methylation pattern in wild-type Mll1+/+ and Mll1-/- mouse fibroblasts (MEFs). We found that Mll1 is required for the H3K4 trimethylation of less than 5% of promoters carrying this modification. Many of these genes, which include developmental regulators such as Hox genes show decreased levels of RNA polymerase II recruitment and expression concomitant with the loss of H3K4 methylation. Although Mll1 is only required for the methylation of a subset of Hox genes, Menin, a component of the Mll1 and Mll2 complexes, is required for the overwhelming majority of H3K4 methylation at Hox loci. However, the loss of MLL3/4 and/or the Set1 complexes have little to no effect on the Hox loci H3K4 methylation or expression levels in these MEFs. Together these data provide insight into redundancy and specialization of COMPASS-like complexes in mammals and provide evidence on a possible role for Mll1-mediated H3K4 methylation in the regulation of transcriptional initiation. Expression arrays were done with Mll1+/+ and Mll1-/- mouse embryonic fibroblasts. Four replicates were done (dyes were swapped). DNA was hybridized to Agilent Mouse Whole Genome Expression Arrays (4x44k).

2009-10-20 | E-GEOD-18261 | biostudies-arrayexpress

Expression analysis on Mll1+/+ and Mll1-/- MEFs

2009-10-20 | GSE18261 | GEO

The Histone Methyltransferases MLL1 and DOT1L Cooperate with Meningioma-1 to Induce AML [Mouse Mll1 ko RNA-seq]

Project description:Purpose: To characterize transcriptional changes associated with homozygous inactivation of Dot1l or Mll1 in MN1 driven AML Methods: We sequenced mRNA from murine LSK-cells transformed using forced expression of MN1 (MSCV-MN1-IRES-GFP), and transduced with Cre-vector to inactivate either Dot1l or Mll1. Cells were sorted for Cre-expression (pTomato fluorescent marker) or expression of an inert control vector. Results: Inactivation of either Dot1l or Mll1 in this model leads to a substantial delay or complete abrogation of leukemia development.Loss of Dot1l or Mll1 are associated with gene expression changes that have substantial overlap. In addition, genes that are downregulated follwing inactivation of Dot1l or Mll1 have substantial overlap with the gene set upregulated in MN1 transduced CMPs. Conclusions: MN1 mediated leukemogenesis is associated with a gene expression program that dependes on Mll1 and Dot1l Examination of mRNA levels between Dot1l f/f and Dot1l ko, and Mll1 f/f and Mll1 ko.

2016-01-12 | E-GEOD-76749 | biostudies-arrayexpress

HNF1A, UTX, H3K27me3 and H3K27ac ChIP-seq in wild-type and UTX- or HNF1A-deficient mouse pancreas

Project description:HNF1A and UTX are putative tumor suppressors in pancreatic cancer. In this study, we have combined mouse genetics, transcriptomics and genome binding studies to link HNF1A and UTX in a molecular mechanism that suppresses pancreatic cancer. In this session, we have profiled UTX, HNF1A, H3K27me3 and H3K27ac in normal and UTX- or HNF1A-deficient mouse pancreas by ChIP-seq experiments. We show that HNF1A recruits UTX to its genomic targets in pancreatic acinar cells, which results in remodeling of the chromatin landscape and activation of a broad transcriptional program of differentiated acinar cells, which in turn indirectly suppresses tumor suppressor pathways.

2019-12-20 | E-MTAB-7944 | biostudies-arrayexpress

Protein dataset of immortalized HaCaT cells p53 knock down HaCaT keratinocytes

Project description:The p53 protein is encoded by TP53 gene and plays the key role in significant number of cellular processes including proliferation, apoptosis and regulation of many stress response pathways. P53 acts like a direct transcription activator of numerous genes regulating cell cycle arrest, DNA repair, growth inhibition and many others (Mollereau and Ma, 2014). The canonical biological function of p53 is maintaining genome integrity via elimination of damaged or exposed to genotoxic stress cells. Immortalized HaCaT cells are widely used for keratinocyte research, since they maintain stable keratinocyte phenotype, have nearly unlimited proliferative potential, do not require specific growth and differentiation factors (Colombo et al., 2017). Also, HaCaT cells produce typical differentiation markers such as cytokeratins K14 and K10, involucrin (Colombo et al., 2017) and respond to keratinocyte differentiation stimuli. Taking together, HaCaT cells have similar to normal human keratinocytes (NHK) properties, however, as many of spontaneously immortalized cell lines HaCaT cells bear two mutant p53 alleles - R282Q and H179Y (Lehman et al., 1993). Mutp53 in HaCaT has an increased affinity to other p53 family members (p63, p73), which significantly expands p53 properties. Moreover, mutp53 indirectly affects specific target genes via protein-protein interactions with other transcription factors (NF-Y, E2F1, NF-KB) or by tethering p63 to new promotor locations. For more detailed investigation of mutp53 impact on various processes in HaCaT cells we performed a shRNA mediated knockdown of mutp53. For generation of stable TP53 knockdown we employed plasmid vector pLKO-p53-shRNA-941 (Addgene # #25637) followed by puromycin selection of transduced cells. Here we present proteomic dataset obtained from wild type HaCaT cells and p53 knock down HaCaT keratinocytes.

2022-04-28 | PXD033538 | Pride

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