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SETD2 loss sensitizes kidney cancer cells to DNA hypomethylating agents [methylation]

ABSTRACT: Genome-wide DNA methylation profiling of SETD2-null 786-0 RCC cells treated with decitabine (100nM and 300nM) or DMSO vehicle. The Illumina Infinium HumanMethylation EPIC BeadChip was used to obtain DNA methylation profiles across approximately 850K CpGs.

ORGANISM(S): Homo sapiens

PROVIDER: GSE223697 | GEO | 2024/07/01

REPOSITORIES: GEO

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DA Methylation patterns in decitabine treated 786-0 cells

Project description:Genome-wide DNA methylation profiling of 786-0 RCC cells treated with decitabine (100nM and 300nM) or DMSO vehicle. The Illumina Infinium HumanMethylation EPIC BeadChip was used to obtain DNA methylation profiles across approximately 850K CpGs.

2020-06-01 | GSE146179 | GEO

SETD2 loss sensitizes kidney cancer cells to DNA hypomethylating agents

Project description:Large-scale sequencing efforts in Clear cell renal cell carcinoma (ccRCC) have found a high prevalence of mutations in chromatin-related genes. Prominent within this group is SETD2, which is mutated in 15% of ccRCC and is associated with aggressive disease. SETD2 is a methyltransferase responsible for trimethylating lysine 36 on histone H3 (H3K36me3). Although it is not completely understood how SETD2 loss contributes to ccRCC tumorigenesis, it is thought that it reprograms the epigenetic landscape of the cell. Here we explore the impact that SETD2/H3K36me3 loss has on the DNA methylome in ccRCC cells. DNA methylation was measured using the EPIC DNA methylation assay in 786-O ccRCC cells and non-cancerous transformed proximal tubule kidney cells (HKC) with and without SETD2. Sensitivity to DNA hypomethylating agents was assessed by dose-response assay using 5-aza-2'-deoxycytidine. Apoptosis was measured via Annexin-V/PI staining by flow cytometry. Mitochondrial fitness was evaluated by electron microscopy and flow cytometry. Moreover, activity of 5-aza-2'-deoxycytidine, a DNA hypomethylating agent, in was assessed in SETD2 WT/KO xenografts in NOD-Scid mice. SETD2 loss resulted in DNA hypermethylation in HKC cells and to a greater extent in 786-O. Dose-response assays showed that SETD2-null ccRCC cells are sensitive to 5-aza-2'-deoxycytidine. Furthermore, Annexin-V/PI staining revealed more apoptotic and necrotic cells in SETD2-null cells following 5-aza-2'-deoxycytidine treatment, which was rescued using a Caspase inhibitor. In addition, 5-aza-2'-deoxycytidine induced profound changes in mitochondria in SETD2-null cells, including loss of membrane potential and size reduction. Indeed, in vivo experiments verified increased SETD2-null xenografts’ sensitivity to 5-aza-2'-deoxycytidine. We show that SETD2 loss in ccRCC cells causes DNA hypermethylation, creating a synthetic lethal dependency with DNA hypomethylating agents.

2024-07-01 | GSE223688 | GEO

RNA mis-splicing sensitizes SETD2-mutant kidney cancer cells to DNMTi (Methylation)

Project description:The dysregulation of the histone H3 lysine 36 (H3K36) methyltransferase, SETD2, is associated with worse clinical outcomes and metastasis in clear cell Renal Cell Carcinoma (ccRCC). Here, we reveal that kidney cancer cells displaying diminished H3K36me3 levels (SETD2 deficiency) show increased sensitivity to the anti-tumor effects of the DNA hypomethylating agent 5-aza-2’-deoxycytidine (Decitabine/DAC). DAC treatment induced stronger viral mimicry activation and immunostimulatory signals by higher transposable element (TE) expression in SETD2-mutant cancer cells. Surprisingly, we demonstrate that the increased TE abundance in SETD2-knockout (SETD2-KO) kidney cancer cells is substantially derived from mis-spliced products induced by DAC treatment. Epigenetic profiling suggests that differential DNA methylation, H3K36me3, and H3K9me3 marks across exons and intronic TEs might contribute to elevated mis-splicing rates specifically in the SETD2 loss context. Finally, SETD2 dysregulation also sensitized tumors in vivo to combinatorial therapy of DAC and immune checkpoint inhibitors highlighting the translational potential for this precision medicine.

2023-01-27 | GSE198673 | GEO

RNA mis-splicing sensitizes SETD2-mutant kidney cancer cells to DNMTi (ChiP-Seq and RNA-Seq)

2023-01-27 | GSE198670 | GEO

Setd2 inactivation sensitizes lung adenocarcinoma to inhibitors of oxidative respiration and mTORC1 signaling [KPY RNAseq]

Project description:RNA-sequencing analysis of murine KPY lung adenocarcinoma tumors in the presence and absence of Setd2. Tumors were harvested from KPY-Ctrl and KPY-SetdKO mice and were then subject to RNA-Seq to identify gene expression differences following loss of Setd2 expression.

2023-02-08 | GSE224269 | GEO

Setd2 inactivation sensitizes lung adenocarcinoma to inhibitors of oxidative respiration and mTORC1 signaling [K RNAseq]

Project description:RNA-sequencing analysis of murine K lung adenocarcinoma tumors in the presence and absence of Setd2. Tumors were harvested from K-Ctrl and K-Setd2KO mice. Tumors were then subject to RNA-Seq to identify gene expression differences following loss of Setd2 expression.

2023-02-08 | GSE224267 | GEO

Proteomics analysis on SETD2 loss induced ccRCC formation

Project description:Patients with polycystic kidney disease (PKD) encounter a high risk of clear cell renal cell carcinoma (ccRCC), a malignant tumor with dysregulated lipid metabolism. SET domain–containing 2 (SETD2) has been identified as an important tumor suppressor gene in ccRCC. However, the role of SETD2 in tumorigenesis during the transition from PKD to ccRCC remains largely unexplored. Herein, we performed metabolomics, lipidomics, transcriptomics and proteomics with SETD2 loss induced PKD-ccRCC transition mouse model. To characterize biological responses triggered by SETD2 deletion during PKD-ccRCC transition at the protein level, we conducted global proteomics studies.

2023-10-31 | PXD038966 | Pride

Setd2 knockdown.

Project description:Setd2 knockdown.

| PRJNA612891 | ENA

RNA sequencing of SETD2 isogenic renal cell carcinoma cell lines

Project description:RNA sequencing of SETD2 isogenic renal cell carcinoma cell lines. Examination of RNA expression in SETD2 isogenic cell lines

2015-06-17 | E-GEOD-66879 | biostudies-arrayexpress

Comparison of gene expression pattern between Wild-type and Setd2 knockout mESCs [Affymetrix]

Project description:SETD2/HYPB has been known as a histone H3K36 specific methyltransferase. However, its roles in physiology such as development and cellular function remain unclear. In this study, using mESCs as cellular model, we show that Setd2 mainly regulates differentiation of murine embryonic stem cells (mESCs) towards primitive endoderm. This study aimed at exploring how did Setd2 regulate primitive endoderm. differentiation. We used microarrays to detail the global programme of gene expression controled by setd2, which is required for endoderm differentiation. Wild type and Setd2 knockout mESCs were selected for RNA extraction and hybridization on Affymetrix GeneChip® mouse genome 430 2.0 arrays. We sought to obtain some deregulated genes, which were required for primitive endoderm differentiation. For comparison, three biological repeats of each were performed.

2014-10-14 | E-GEOD-54931 | biostudies-arrayexpress

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