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JDP2 - an Oncogenic bZIP Transcription Factor in T-cell Acute Lymphoblastic Leukemia [ChIP-Seq]

ABSTRACT: JDP2 - an Oncogenic bZIP Transcription Factor in T-cell Acute Lymphoblastic Leukemia [ChIP-Seq]

PROVIDER: PRJNA475115 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7276387.fastq.gz	Fastqsanger.gz
	SRR7276388.fastq.gz	Fastqsanger.gz

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Similar Datasets

JDP2 - an Oncogenic bZIP Transcription Factor in T-cell Acute Lymphoblastic Leukemia

Project description:JDP2 - an Oncogenic bZIP Transcription Factor in T-cell Acute Lymphoblastic Leukemia

| PRJNA475108 | ENA

JDP2 - an Oncogenic bZIP Transcription Factor in T-cell Acute Lymphoblastic Leukemia [ChIP-Seq]

Project description:A substantial subset of patients with T-cell acute lymphoblastic leukemia (T-ALL) develops resistance to steroids and succumb to their disease. JDP2 encodes a bZIP protein that has been implicated as a T-ALL oncogene from insertional mutagenesis studies in mice, but its role in human T-ALL pathogenesis has remained obscure. Here we show JDP2 is aberrantly expressed in a subset of T-ALL patients and is associated with poor survival. JDP2 is required for T-ALL cell survival, as its depletion by shRNA knockdown leads to apoptosis. Mechanistically, JDP2 regulates pro-survival signaling through direct transcriptional regulation of MCL1. Furthermore, JDP2 is one of few oncogenes capable of initiating T-ALL in transgenic zebrafish. Notably, thymocytes from rag2:jdp2 transgenic zebrafish express high levels of mcl1, and demonstrate resistance to steroids in vivo. These studies establish JDP2 as a novel oncogene in high-risk T-ALL, and implicate overexpression of MCL1 as a mechanism of steroid resistance in JDP2-overexpressing cells.

2018-06-18 | GSE115465 | GEO

JDP2 - an Oncogenic bZIP Transcription Factor in T-cell Acute Lymphoblastic Leukemia [RNA-Seq]

2018-06-18 | GSE115464 | GEO

JDP2 - an Oncogenic bZIP Transcription Factor in T-cell Acute Lymphoblastic Leukemia [RNA-Seq]

Project description:JDP2 - an Oncogenic bZIP Transcription Factor in T-cell Acute Lymphoblastic Leukemia [RNA-Seq]

| PRJNA475112 | ENA

JDP2: An oncogenic bZIP transcription factor in T cell acute lymphoblastic leukemia.

Project description: Not available

| S-EPMC6028512 | biostudies-literature

JDP2 - an Oncogenic bZIP Transcription Factor in T-cell Acute Lymphoblastic Leukemia

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

2018-06-18 | GSE115466 | GEO

Oncogenic deubiquitination controls tyrosine kinase signaling and therapy response in acute lymphoblastic leukemia

Project description:Dysregulation of kinase signaling pathways via mutations favors tumor cell survival and resistance to therapy and it is common in cancer. Here, we reveal a novel mechanism of post-translational regulation of kinase signaling and nuclear receptor activity via deubiquitination in acute leukemia. We observed that the ubiquitin specific protease 11 (USP11) is highly expressed in lymphoblastic leukemia and associates with poor prognosis in this disease. USP11 ablation inhibits leukemia growth in vitro and in vivo, sparing normal hematopoiesis and thymus development, suggesting that USP11 could be a therapeutic target in leukemia. USP11 forms a complex with USP7 to deubiquitinate the oncogenic lymphocyte cell-specific protein-tyrosine kinase (LCK). Deubiquitination of LCK controls its activity, thereby altering T cell receptor signaling. Impairment of LCK activity leads to increased expression of the glucocorticoid receptor transcript, culminating into transcriptional activation of pro-apoptotic target genes, and sensitizes cells to glucocorticoids in primary T cell leukemia patient samples. The transcriptional activation of pro-apoptotic target genes, such as BCL2L11, is orchestrated by the deubiquitinase activity and mediated via an increase in enhancer-promoter interaction intensity. Pharmacological inhibition of USP7 or genetic knockout of USP7 in combination treatment of glucocorticoid displayed improved anti-T-ALL efficacy in vivo. Our data unveil how dysregulated deubiquitination controls signaling pathways, leading to cancer cell survival and drug non-response, and suggest novel therapeutic combinations towards targeting leukemia.

2022-02-28 | MSV000088930 | MassIVE

IRF2BP2 counteracts the ATF7/JDP2 heterodimer to prevent inflammatory overactivation in AML cells

Project description:Acute myeloid leukemia (AML) is a hematological malignancy characterized by the abnormal proliferation and accumulation of immature myeloid cells in the bone marrow. Inflammation plays a crucial role in AML progression, but excessive activation of inflammatory pathways can also trigger cell death. IRF2BP2 is a chromatin regulator that has been implicated in AML pathogenesis, although its precise role in this disease is not fully understood. In this study, we demonstrate that in AML cells IRF2BP2 interacts with the transcriptional heterodimer ATF7/JDP2, which is involved to activate inflammatory pathways in AML cells. We show that IRF2BP2 is recruited by the ATF7/JDP2 dimer to chromatin and counteracts its gene activating function. Loss of IRF2BP2 leads to the overactivation of inflammatory pathways, resulting in immediate cell death. Our findings suggest that a delicate balance of activating and repressive transcriptional mechanisms establishes a pro-oncogenic inflammatory set-up in AML cells, and that manipulation of the ATF7/JDP2-IRF2BP2 regulatory axis may offer a potential vulnerability for AML treatment. Thus, our study provides new insights into the molecular mechanisms underlying AML pathogenesis and identifies a potential therapeutic target for AML treatment.

2024-05-16 | PXD041817 | Pride

Proteogenomics of High hyperdiploid childhood acute lymphoblastic leukemia

Project description:Proteogenomic analysis and genomic profiling, RNA-sequencing, and mass spectrometry-based analysis of High hyperdiploid childhood acute lymphoblastic leukemia.

2020-01-29 | MSV000084862 | MassIVE

Enhancer engagement sustains oncogenic transformation and progression of B-cell precursor acute lymphoblastic leukemia

Project description:Numerous evidence report that non-genetic-driven events such as enhancer reprogramming promotes neoplastic transformation and strongly contribute to the phenotypical heterogeneity of cancers as much as genetic variation. In this study, we investigated the role of enhancers in sustaining oncogenic transformation in Paediatric B-cell Acute Lymphoblastic Leukemia (ALL-B), a type of cancer caused by the accumulation of lymphoid progenitor cells in the bone marrow.

2024-06-27 | GSE214916 | GEO

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