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Gene expression changes induced by hypomethylating agent, Azacitidine (AZA) IDH1 inhibitor, BAY1436032 (BAY) and combination of BAY and AZA in sorted human (CD45+) cells from bone marrow of IDH1mut Patient derived Xenotransplantation mice model.

ABSTRACT: Gene expression changes induced by hypomethylating agent, Azacitidine (AZA) IDH1 inhibitor, BAY1436032 (BAY) and combination of BAY and AZA in sorted human (CD45+) cells from bone marrow of IDH1mut Patient derived Xenotransplantation mice model.

PROVIDER: PRJNA505176 | ENA |

REPOSITORIES: ENA

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Gene expression changes induced by hypomethylating agent, Azacitidine (AZA) ; IDH1 inhibitor, BAY1436032 (BAY) and combination of BAY and AZA in sorted human (CD45+) cells from bone marrow of IDH1mut Patient derived Xenotransplantation mice model.

Project description:Mutations in the enzymes IDH1 and IDH2 have been identified in a wide variety of tumors like glioma, chondrosarcoma, thyroid cancer, lymphoma, melanoma, and in acute myeloid leukemia. Mutated IDH1/2 produces the metabolite 2-hydroxyglutarate (2HG), which interferes with epigenetic regulation of gene expression, and thus may promote tumorigenesis. Data for IDH1 inhibitors show that 30-40% of AML patients respond to monotherapy with a median duration of response of 8 months, suggesting that IDH1 inhibitors should be combined with other agents to improve efficacy. BAY 1436032 (BAY) is an oral pan-mutant IDH1 inhibitor currently undergoing phase 1 clinical trials. 5-Azacitidine (AZA) is a hypomethylating agent and can activate key epigenetically silenced pathways in AML cells, leading to an arrest of AML cell proliferation.

2019-12-31 | GSE122428 | GEO

DNA methylation changes induced by hypomethylating agent, Azacitidine (AZA); IDH1 inhibitor, BAY1436032 (BAY) and sequential and simultaneous combination of BAY and AZA in in vitro treated human (CD45+) cells isolated from the bone marrow of IDH1mut

2020-05-25 | GSE146502 | GEO

Gene expression changes induced by hypomethylating agent, Azacitidine (AZA); IDH1 inhibitor, BAY1436032 (BAY) and sequential and simultaneous combination of BAY and AZA in in vitro treated human (CD45+) cells isolated from the bone marrow of IDH1mut

2020-05-25 | GSE146503 | GEO

Gene expression changes induced by hypomethylating agent, Azacitidine (AZA) IDH1 inhibitor, BAY1436032 (BAY) and sequential and simultaneous combination of BAY and AZA in in vitro treated human (CD45+) cells isolated from the bone marrow of IDH1mut

Project description:Gene expression changes induced by hypomethylating agent, Azacitidine (AZA) IDH1 inhibitor, BAY1436032 (BAY) and sequential and simultaneous combination of BAY and AZA in in vitro treated human (CD45+) cells isolated from the bone marrow of IDH1mut

| PRJNA610784 | ENA

DNA methylation changes induced by hypomethylating agent, Azacitidine (AZA) IDH1 inhibitor, BAY1436032 (BAY) and sequential and simultaneous combination of BAY and AZA in in vitro treated human (CD45+) cells isolated from the bone marrow of IDH1mut

Project description:DNA methylation changes induced by hypomethylating agent, Azacitidine (AZA) IDH1 inhibitor, BAY1436032 (BAY) and sequential and simultaneous combination of BAY and AZA in in vitro treated human (CD45+) cells isolated from the bone marrow of IDH1mut

| PRJNA610783 | ENA

DNA methylation and gene expression changes induced by hypomethylating agent, Azacitidine (AZA), BAY1436032 (BAY) and sequential and simultaneous combination of BAY and AZA in in vitro treated human (CD45+) cells isolated from the bone marrow of IDH1mut

Project description:DNA methylation and gene expression changes induced by hypomethylating agent, Azacitidine (AZA), BAY1436032 (BAY) and sequential and simultaneous combination of BAY and AZA in in vitro treated human (CD45+) cells isolated from the bone marrow of IDH1mut

| PRJNA610781 | ENA

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

2020-05-25 | GSE146504 | GEO

Homo sapiens

Project description:Gene expression changes induced by BAY1436032 (IDH1mut inhibitor) in sorted human (CD45+) cells from bone marrow of IDH1mut patient derived xenotransplantation mice model

| PRJNA326116 | ENA

SUMO pulldown proteomics Namalwa 5-Aza-2' deoxycytidine treatment

Project description:Combination therapies targeting malignancies aim to increase treatment efficacy and reduce toxicity. Hypomethylating drug 5-Aza-2’-deoxycytidine (5-Aza-2’) enhances transcription of tumor suppressor genes and induces replication errors via entrapment of DNMT1. Post-translational modification by SUMO plays major roles in the DNA damage response and is required for degradation of entrapped DNMT1. Here, we combine SUMOylation inhibitor TAK981 and DNA-hypomethylating agent 5-Aza-2’ to improve treatment of MYC driven hematopoietic malignancies, since MYC overexpressing tumors are sensitive to SUMOylation inhibition. We studied the classical MYC driven malignancy Burkitt lymphoma, as well as diffuse large B-cell lymphoma (DLBCL) with and without MYC translocation. SUMO inhibition prolonged the entrapment of DNMT1 to DNA, resulting in DNA damage. An increase in DNA damage was observed in cells co-treated with TAK981 and 5-Aza-2’. Both drugs synergized to reduce cell proliferation in vitro in a B cell lymphoma cell panel, including Burkitt lymphoma and DLBCL. In vivo experiments combining TAK981 (25 mg/kg) and 5-Aza-2’ (2.5 mg/kg) showed a significant reduction in outgrowth of Burkitt lymphoma in an orthotopic xenograft model. In contrast, single dosing of TAK981 was ineffective and single dosing of 5-Aza-2’ only led to a modest outgrowth reduction. TAK981 and 5-Aza-2’ synergize to reduce B cell Lymphoma outgrowth in vitro and in vivo. SUMOylation is a key-player in the repair of DNA damage, hence upon TAK981 treatment the repair of DNA damage induced by 5-Aza-2’ treatment is impaired. Our results demonstrate the potential of tailored combination of drugs, based on insight in molecular mechanisms, to improve the efficacy of cancer therapies.

2023-03-17 | PXD038620 | Pride

MCF7 cells gene expression change by inducing CpG demethylation using 5-Aza-2'-deoxycytidine (Aza)

Project description:Promoter methylation is able to induce downregulation of gene expression. 5-Aza-2'-deoxycytidine(Aza), methytransferase inhibitor, induce CpG demethylation. Here, 5-Aza-2'-deoxycytidine(Aza) is treated in a human breast cancer cell, MCF7, for detection of gene expression change.

2011-08-18 | GSE31441 | GEO

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