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KDM6A Regulates Immunogenicity of Multiple Myeloma (RNA-seq)

ABSTRACT: We created isogenic mutiple myeloma and mouse embryonic fibroblast cell lines disrupted for KDM6A using CRISPR editing and Cre-mediated deletion.

ORGANISM(S): Mus musculus Homo sapiens

PROVIDER: GSE244511 | GEO | 2024/10/01

REPOSITORIES: GEO

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KDM6A Regulates Immunogenicity of Multiple Myeloma (ATAC-seq)

Project description:We created isogenic mutiple myeloma cell lines disrupted for KDM6A using CRISPR-mediated editing.

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KDM6A Regulates Immunogenicity of Multiple Myeloma (ChIP-seq)

Project description:We created isogenic mutiple myeloma and mouse embryonic fibroblast cell lines disrupted for KDM6A using CRISPR editing and Cre-mediated deletion. To detect KDM6A we inserted a dual HA tag sequence into the C-terminal of KDM6A by CRISPR-mediated editing. We also created one isogenic cell line harboring a jmjD-dead KDM6A where 2 amino acids essential for KDM6A enzymatic activity, H1146 and E1148 , were replaced with alanine residues

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KDM6A Regulates Immunogenicity of Multiple Myeloma

Project description:This SuperSeries is composed of the SubSeries listed below.

2024-10-01 | GSE244512 | GEO

Transcriptome analysis of CHEK1 overexpression (AC or HC) VS control (A or H) and CHEK1 knockdown (AK_D or HK_D) VS control (AK or HK) in Mutiple Myeloma.

Project description:Transcriptome sequencing was used to analyze changes in related signaling pathways and gene expression in Mutiple Myeloma cells when CHEK1 was overexptressed or knocked down.

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UTX/KDM6A Loss Enhances the Malignant Phenotype of Multiple Myeloma and Sensitizes Cells to EZH2 inhibition

Project description:In this project we analyze the transcriptome of the human multiple myeloma isogenic cell lines ARP-1 (UTX wild-type) and ARD (UTX null). The transcriptome is studied at baseline, upon restoration of UTX levels in ARD cells for 3 and 6 days, and upon treatment of the cell lines with the EZH2 inhibitor GSK343. Moreover, we analyzed the transcriptome of a ARD resistant cell line that we generated.

2017-10-25 | GSE103567 | GEO

Protein and histone binding profiles from mouse ES cells during differentiation and after Kdm6a RNAi treatment.

Project description:Here we show binding and occupancy profiles for KDM6A, H3K27me3 and H3K4me3 to address the epigenetic regulation of a subset of Rhox genes, Rhox6 and 9, in female and male ES cells during differentiation. To further address a functional role for KDM6A in the epigenetic regulation of Rhox6 and 9, binding profiles for female ES cells treated with a control siRNA and siRNA specific for Kdm6a are shown. We report that two members of the Rhox cluster, Rhox6 and 9, are regulated by de-methylation of histone H3 at lysine 27 by KDM6A, a histone demethylase with female-biased expression. Our results are consistent with other homeobox genes in that Rhox6 and 9 are in bivalent domains prior to embryonic stem cell differentiation and thus poised for activation. In female mouse ES cells KDM6A is specifically recruited to Rhox6 and 9 for gene activation, a process inhibited by Kdm6a knockdown. In contrast, KDM6A occupancy at Rhox6 and 9 is low in male ES cells and knockdown has no effect on expression. Our study implicates Kdm6a, a gene that escapes X inactivation, in the regulation of genes important in reproduction, suggesting that KDM6A may play a role in the etiology of developmental and reproduction-related effects of X chromosome anomalies. ChIP-chip was used to analyze the binding profiles of KDM6A, H3K27me3, and H3K4me3 during differentiation in female and male ES cells. Additionally, ChiP-chip of KDM6A binding in control treated and siRNA treated ES cells is presented.

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Transcriptome analysis for KDM6A mutated urothelial bladder carcinoma and EZH2 inhibitor treated KDM6A mutated urothelial bladder carcinoma

Project description:Purpose: The goals of this study are to compare 1. The transcription profile in KDM6A wildtype and KDM6A mutated urothelial bladder carcinoma. 2. The transcriptional changes in KDM6A mutated urothelial bladder carcinoma upon EZH2 inhibitor treatment.

2017-03-01 | GSE92723 | GEO

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

Truncated KDM6A exhibits differential chromatin occupancy and regulatory interactions

Project description:Genome-wide studies characterizing mutational landscape of bladder cancer revealed the exceptionally high rate of chromatin modifier genes in bladder cancer. Thus, epigenetic deregulation is a critical theme which needs further investigation for bladder cancer research. One of the highly mutated genes in bladder cancer is KDM6A, functioning as H3K27 demethylase and part of MLL3/4 complexes. To decipher the role of KDM6A in normal vs tumor setting, we identified the genomic localization profiles of KDM6A in normal, immortalized and cancer bladder cells. Our results showed differential occupancy of KDM6A at the genes involved in cell differentiation, chromatin organization and Notch signaling depending on the cell type and the mutation status of KDM6A. Transcription factor motif analysis revealed an enrichment for HES1 for the KDM6A peaks identified for T24 bladder cancer cell line, which has a truncating mutation in KDM6A and lacking demethylase domain and also for the other clusters showing KDM6A localization. For the first time, using co-immunoprecipitation experiments, we show that KDM6A is in complex with TLE co-repressors and HES1, and illustrate the potential interaction of KDM6A with TLE co-repressors, HES1, RUNX, HHEX transcription factors by computational structural biology models. Our work makes important contributions to the understanding of KDM6A malfunction in bladder cancer and provides models for the functioning of KDM6A independent of its demethylase activity.

2023-03-03 | GSE216625 | GEO

KDM6A(UTX) is an epigenetic gatekeeper of mTORC1 signalling in cancer

Project description:Large-scale genome sequencing efforts of human tumors identified epigenetic modifiers as one of the most frequently mutated gene class in human cancer. However, how these mutations drive tumor development and progression is largely unknown. Here, we identify the histone demethylase KDM6A as an important tumor suppressor in solid cancers, such as liver cancer and pancreatic cancer. KDM6A-deficient tumors show hyperactivation of mTORC1 signaling, whereas endogenous KDM6A re-expression in established KDM6A-deficient tumors diminishes mTORC1 activity by fostering the expression of crucial negative pathway regulators, such as DEPTOR, TSC1, and TSC2, resulting in tumor regression. Importantly, KDM6A expression in human tumors correlates with mTORC1 activity and KDM6A-deficient tumors exhibit increased sensitivity to mTORC1 inhibition. Hence, our results link KDM6A-dependent epigenetic remodeling to mTORC1 signaling and provide a potential therapeutic strategy for KDM6A-deficient tumors.

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