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Human exon microarray analysis in CEM cells overexpressing HTLV-1 Rex

ABSTRACT: Human exon microarray analysis in CEM cells overexpressing HTLV-1 Rex

PROVIDER: PRJNA796617 | ENA |

REPOSITORIES: ENA

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Human exon microarray analysis in CEM cells overexpressing HTLV-1 Rex

Project description:HTLV-1 is an onco-retrovirus that infects human T cells and causes poor prognosis leukaemia/lymphoma, ATL. The viral RNA binding protein, Rex, intervenes in host cell regulation of gene expression, splicing and translation mechanisms to promote viral particle replication, but the detailed mechanism of its function has not been elucidated. In the present study, we stably overexpressed HTLV-1 Rex in the human T-cell-derived cell line, CEM, and investigated effect of Rex on splicing patterns in CEM cells by exon microarray analysis.

2022-03-03 | GSE193574 | GEO

Human gene expression microarray analysis in CEM cells overexpressing HTLV-1 Rex

Project description:HTLV-1 is an onco-retrovirus that infects human T cells and causes poor prognosis leukaemia/lymphoma, ATL. The viral RNA binding protein, Rex, intervenes in host cell regulation of gene expression, splicing and translation mechanisms to promote viral particle replication, but the detailed mechanism of its function has not been elucidated. In the present study, we stably overexpressed HTLV-1 Rex in the human T-cell-derived cell line, CEM, and investigated effect of Rex on gene expression profiles in CEM cells by gene expression microarray analysis.

2022-03-03 | GSE193576 | GEO

Human gene expression microarray analysis in CEM cells overexpressing HTLV-1 Rex

Project description:Human gene expression microarray analysis in CEM cells overexpressing HTLV-1 Rex

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Exon-expression profiling of CD4+ T cells derived from HTLV-1-infected individuals with or without malignancy

Project description:T-cell clones were obtained by limiting dilution culture of PBMC of HTLV-1 carriers. Exon expression profiling was performed using Affymetrix exon array (Affymetrix Human Exon 1.0 ST Array) according to the manufacturer's instructions. Gene version of CEL files 01 to 12 are presented in GSE46518. The main objectives were to assess whether transcriptional and post-transcriptional modifications associate with HTLV-1 infection in vivo. To this end, T-cell clones, infected or not by HTLV-1, were obtained by limiting dilution culture of PBMC derived from HTLV-1 carriers. Tumor cells derived from patients with an acute form ATLL. Exon expression profiles of cloned T-cells and ATLL cells was analyzed using Affymetrix exon array (Affymetrix Human Exon 1.0 ST Array) according to the manufacturer's instructions. Given that T-cell activation is known to modify alternative exon usage, microarray analysis was carried-out with unstimulated and PHA-stimulated CD4+ T cell clones.

2015-11-01 | E-GEOD-52244 | biostudies-arrayexpress

Exon-expression profiling of CD4+ T cells derived from HTLV-1-infected individuals with or without malignancy

2015-11-01 | GSE52244 | GEO

Transcriptional and post-transcriptional analysis of CD4+ T cell clones deriving from HTLV-1 infected individuals

2014-12-03 | E-GEOD-46518 | biostudies-arrayexpress

RNA-Seq of WT HeLa Flp-In T-REx and UPF3A overexpression cell lines

Project description:UPF3A and UPF3B are paralogous genes in human cells that are involved in the nonsense-mediated decay (NMD) pathway. NMD is a cellular quality control mechanism that monitors mRNAs during translation. Aberrant translation due to features such as the presence of a premature stop codon downstream on an exon-exon junction activates NMD and leads to the degradation of the mRNA. To investigate the role of UPF3B and UPF3A in NMD, we have generated UPF3A overexpressing human HeLa Flp-In T-REx cells using the PiggyBac transposon system. We generated RNA-Sequencing data for wild type and UPF3A overexpressing (OE) cells.

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KDR-dependent tyrosine phosphorylation in HTLV-1 transformed cells

Project description:Human T-cell leukemia virus type 1 (HTLV-1) is linked to the development of adult T-cell leukemia (ATL) and the neuroinflammatory disease, HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). The HTLV-1 Tax oncoprotein regulates viral gene expression and the NF-kB pathway to promote the survival of HTLV-1 infected T cells. In thsi study, we utilize a kinome-wide shRNA screen to identify the tyrosine kinase KDR/VEGFR2 as an essential survival factor of HTLV-1-transformed T cells. Inhibition of KDR induces apoptosis of Tax expressing HTLV-1-transformed cell lines and CD4+ T cells from HAM/TSP patients. Phosphoproteomics analysis of HTLV-1 transformed cells treated with a KDR inhibitor revealed inhibition of the phosphorylation of multiple receptors/cell surface proteins, ubiquitin conjugating systems, proteases, phosphatases, apoptotic regulatory factors, adhesion/extracellular matrix proteins and viral proteins. This work suggests that HTLV-1 Tax has hijacked KDR kinase activity to promote Tax stability and the proliferation and survival of HTLV-1 infected cells.

2024-06-14 | PXD051981 | Pride

Transcriptional and post-transcriptional analysis of CD4+ T cell clones deriving from HTLV-1 infected individuals

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