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Genome-wide analysis of mRNA expression alterations of mucosa associated lymphoid tissue lymphoma translocation gene 1 (Malt1) -/- or Wild Type (WT) Naïve T cells induced to differentiate into (T helper) Th1 or Th17 cells

ABSTRACT: Microarrays were used to examine gene expression changes at two time points following the induction of differentiation of Malt1 deficient Naive T cells into Th1 or Th17 cells. The present study aims to find the effect that Malt1 deficiency has on lineage specific T cell differentiation. Malt1 is a NF kappa B regulator and plays a key role in peripheral T cell activation and proliferation, but its role in T cell differentiation is not clear. Aspects of the latter are what the current data set investigates.

ORGANISM(S): Mus musculus

PROVIDER: GSE40931 | GEO | 2013/09/01

SECONDARY ACCESSION(S): PRJNA175387

REPOSITORIES: GEO

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Genome-wide analysis of mRNA expression alterations of mucosa associated lymphoid tissue lymphoma translocation gene 1 (Malt1) -/- or Wild Type (WT) Naïve T cells induced to differentiate into (T helper) Th1 or Th17 cells

Project description:Microarrays were used to examine gene expression changes at two time points following the induction of differentiation of Malt1 deficient Naive T cells into Th1 or Th17 cells. The present study aims to find the effect that Malt1 deficiency has on lineage specific T cell differentiation. Malt1 is a NF kappa B regulator and plays a key role in peripheral T cell activation and proliferation, but its role in T cell differentiation is not clear. Aspects of the latter are what the current data set investigates. Total RNA obtained from naïve T cells at two time points following induction to lineage specific T helper cells.

2013-09-01 | E-GEOD-40931 | biostudies-arrayexpress

Transcriptome analysis of Jurkat T cells expressing MALT1 or its mutants MALT1-R149A and MALT1-C464A or the MALT1-R149A-C464A double mutant.

Project description:Purpose: study the role of MALT1 auto-proteolysis in T cell receptor mediated activation of NF-kB. Methods: Jurkat cells were generated that express wild type MALT1, the auto-cleavage deficient MALT1-R149A mutant, the catalytic inactive MALT1-C464A mutant or the R149A-C464A double mutant (RACA). Expression of endogenous MALT1 was inactivated using TALEN technology for the Jurkat cells expressing MALT1-R149A (JDM-RA) and MALT1-C464A (JDM-CA). Illumina HISeq 2000 deep sequencing was performed to determine the mRNA profiles for MALT1, JDM-RA, JDM-CA and RACA cells in unstimulated conditions or after treatment with 75ng/ml PMA and 150 ng/ml ionomycin for 3 or 18 hrs. Results: PMA ionomycin stimulation of the MALT1 auto-cleavage defective JDM-RA cells fails to activate NF-kB-dependent transcription like for the MALT1 catalytic inactive JDM-CA cells and the double RACA mutant cells. Conclusion: MALT1 autoproteolysis is essential for transcription of NF-kB target genes

2014-11-28 | GSE52934 | GEO

RNA-seq of E0771-Vector control, E0771-Malt1-WT and E0771 Malt1-PD (Without T cell coculture)

Project description:To reveal the downstream paracrine signals from WT-Matl1 or PD-Malt1 tumor cells which responsible for the above observed macrophage phenotypes, we collected mRNA samples from Vector control-, WT-Malt1-, PD-Malt1-, V87R-Malt1-, or L88D-Malt1-expressing E0771 cancer cells, and performed RNA-seq analysis.

2024-04-18 | GSE242878 | GEO

A mouse model of deregulation of the malt1 oncogene recapitulates the pathogenesis of human malt lymphoma [MouseSca1 dataset]

Project description:Attempts at modeling chromosomal translocations involving MALT1 gene, hallmarks of human mucosa-associated lymphoid tissue (MALT) lymphoma, have failed to reproduce the disease in mice. Here we describe a transgenic model in which MALT1 expression was targeted to mouse hematopoietic stem/progenitor cells. In Sca1-MALT1 mice, MALT1 deregulation activated the NF-kappaB pathway in Sca1+ cells, promoting selective B-cell differentiation and mature lymphocyte accumulation in extranodal tissues, progressively leading to the development of clonal B-cell lymphomas. These tumors recapitulated the histopathological features of human MALT lymphomas, presenting typical lymphoepithelial lesions and plasmacytic differentiation. Transcriptional profiling of Sca1-MALT1 murine lymphomas revealed overlapping molecular signatures with human MALT lymphomas, including MALT1-mediated NFkappaB activation, pro-inflammatory signaling and XBP1-induced plasmacytic differentiation. Moreover, murine Malt1 showed proteolytic activity by cleaving Bcl10 in Sca1-MALT1 lymphomas. Our novel technological approach has allowed modeling human MALT lymphoma in mice, which represent unique tools study MALT lymphoma biology and evaluate anti-MALT1 therapies. Keywords: Genetic modification, wt vs. transgenic, MALT1 expression

2012-07-10 | GSE25636 | GEO

TMT10-TAILS for monitoring MALT1 substrate cleavage

Project description:We used TMT-TAILS to monitor MALT1 substrate cleavage in normal EBV B lymphocytes stimulated with PMA/ionomycin to evaluate kinetic profiles of MALT1 inhibitors

2018-10-02 | PXD008421 | Pride

A mouse model of deregulation of the malt1 oncogene recapitulates the pathogenesis of human malt lymphoma [MALT dataset]

Project description:Attempts at modeling chromosomal translocations involving MALT1 gene, hallmarks of human mucosa-associated lymphoid tissue (MALT) lymphoma, have failed to reproduce the disease in mice. Here we describe a transgenic model in which MALT1 expression was targeted to mouse hematopoietic stem/progenitor cells. In Sca1-MALT1 mice, MALT1 deregulation activated the NF-kappaB pathway in Sca1+ cells, promoting selective B-cell differentiation and mature lymphocyte accumulation in extranodal tissues, progressively leading to the development of clonal B-cell lymphomas. These tumors recapitulated the histopathological features of human MALT lymphomas, presenting typical lymphoepithelial lesions and plasmacytic differentiation. Transcriptional profiling of Sca1-MALT1 murine lymphomas revealed overlapping molecular signatures with human MALT lymphomas, including MALT1-mediated NF-kappaB activation, pro-inflammatory signaling and XBP1-induced plasmacytic differentiation. Moreover, murine Malt1 showed proteolytic activity by cleaving Bcl10 in Sca1-MALT1 lymphomas. Our novel technological approach has allowed modeling human MALT lymphoma in mice, which represent unique tools study MALT lymphoma biology and evaluate anti-MALT1 therapies. Keywords: lymphoma profiling, MALT lymphoma

2012-07-10 | GSE25638 | GEO

A mouse model of deregulation of the malt1 oncogene recapitulates the pathogenesis of human malt lymphoma [Spleen dataset]

2012-07-10 | GSE25637 | GEO

A mouse model of deregulation of the malt1 oncogene recapitulates the pathogenesis of human malt lymphoma [MouseSca1 dataset]

2012-07-09 | E-GEOD-25636 | biostudies-arrayexpress

A mouse model of deregulation of the malt1 oncogene recapitulates the pathogenesis of human malt lymphoma [Spleen dataset]

2012-07-09 | E-GEOD-25637 | biostudies-arrayexpress

A mouse model of deregulation of the malt1 oncogene recapitulates the pathogenesis of human malt lymphoma [MALT dataset]

Project description:Attempts at modeling chromosomal translocations involving MALT1 gene, hallmarks of human mucosa-associated lymphoid tissue (MALT) lymphoma, have failed to reproduce the disease in mice. Here we describe a transgenic model in which MALT1 expression was targeted to mouse hematopoietic stem/progenitor cells. In Sca1-MALT1 mice, MALT1 deregulation activated the NF-kappaB pathway in Sca1+ cells, promoting selective B-cell differentiation and mature lymphocyte accumulation in extranodal tissues, progressively leading to the development of clonal B-cell lymphomas. These tumors recapitulated the histopathological features of human MALT lymphomas, presenting typical lymphoepithelial lesions and plasmacytic differentiation. Transcriptional profiling of Sca1-MALT1 murine lymphomas revealed overlapping molecular signatures with human MALT lymphomas, including MALT1-mediated NF-kappaB activation, pro-inflammatory signaling and XBP1-induced plasmacytic differentiation. Moreover, murine Malt1 showed proteolytic activity by cleaving Bcl10 in Sca1-MALT1 lymphomas. Our novel technological approach has allowed modeling human MALT lymphoma in mice, which represent unique tools study MALT lymphoma biology and evaluate anti-MALT1 therapies. Keywords: lymphoma profiling, MALT lymphoma 97 samples were analized of which 13 were normal B-cell purified subpopulations and 84 lymphoma samples (31 MALT lymphomas, 26 DLBCL, 15 FCL and 12 SMZL)

2012-07-09 | E-GEOD-25638 | biostudies-arrayexpress

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