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Identification of PRMT1 as a suppressor of MHC-I and anti-tumour immunity

ABSTRACT: Identification of PRMT1 as a suppressor of MHC-I and anti-tumour immunity

PROVIDER: PRJNA1016038 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26046336_1.fastq.gz	Fastqsanger.gz
	SRR26046336_2.fastq.gz	Fastqsanger.gz
	SRR26046337_1.fastq.gz	Fastqsanger.gz
	SRR26046337_2.fastq.gz	Fastqsanger.gz
	SRR26046338_1.fastq.gz	Fastqsanger.gz

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Identification of PRMT1 as a suppressor of MHC-I and anti-tumour immunity

Project description:To understand the mechanisms by which Prmt1 knockout or inhibition sensitizes B16F10 to T cell mediated killing.

2024-01-28 | GSE243025 | GEO

PRMT1 suppresses anti-tumor immunity

Project description:PRMT1 suppresses anti-tumor immunity

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PRMT1 suppresses anti-tumor immunity

Project description:PRMT1 is known as a regulator of immune function by directly interacting with interferon receptors, methylating STAT1, and promoting B cell and macrophage differentiation by methylating CDK4 or B cell antigen receptor However, the function of PRMT1 as a therapeutic target of cancer remains largely elusive, particularly for its role in cancer immunosurveillance. Here, we performed bulk RNA-seq for CT26, a mouse tumor cell line, after either knocking down of endogeneous Prmt1 or blocking PRMT1 by two specific inhibitors, namely MS023 and GSK3368715.

2023-03-21 | GSE203466 | GEO

Epigenetic regulations in the IFNM-NM-3 signalling pathway: IFNM-NM-3-mediated MHC class I upregulation on tumour cells is associated with DNA demethylation of antigen-presenting machinery genes [TC1A9_IFN]

Project description:Reversible MHC class I deficiency on tumour cells is commonly caused by coordinated silencing of antigen-presenting machinery genes and restorable by IFNM-NM-3. Here we describe association of DNA demethylation of selected antigen-presenting machinery gene regulatory regions located in the MHC genomic locus (TAP-1, TAP-2, LMP-2, LMP-7) upon IFNM-NM-3 treatment with MHC class I upregulation on tumour cells. Our novel findings demonstrate that IFNM-NM-3 acts as an epigenetic modifier upregulating the expression of antigen-presenting machinery genes through DNA demethylation. Our data also cast more light on the role of DNA methylation in tumour cell escape from specific immunity. TC-1/A9 cultured cells treated with IFN gama or nothing. 3 biological replicates per condition.

2014-12-08 | E-GEOD-53467 | biostudies-arrayexpress

Project description:Reversible MHC class I deficiency on tumour cells is commonly caused by coordinated silencing of antigen-presenting machinery genes and restorable by IFNM-NM-3. Here we describe association of DNA demethylation of selected antigen-presenting machinery gene regulatory regions located in the MHC genomic locus (TAP-1, TAP-2, LMP-2, LMP-7) upon IFNM-NM-3 treatment with MHC class I upregulation on tumour cells. Our novel findings demonstrate that IFNM-NM-3 acts as an epigenetic modifier upregulating the expression of antigen-presenting machinery genes through DNA demethylation. Our data also cast more light on the role of DNA methylation in tumour cell escape from specific immunity. TC-1/A9 cultured cells treated with DAC/TSA or nothing. 3 biological replicates per condition.

2014-12-08 | E-GEOD-53466 | biostudies-arrayexpress

Project description:Reversible MHC class I deficiency on tumour cells is commonly caused by coordinated silencing of antigen-presenting machinery genes and restorable by IFNM-NM-3. Here we describe association of DNA demethylation of selected antigen-presenting machinery gene regulatory regions located in the MHC genomic locus (TAP-1, TAP-2, LMP-2, LMP-7) upon IFNM-NM-3 treatment with MHC class I upregulation on tumour cells. Our novel findings demonstrate that IFNM-NM-3 acts as an epigenetic modifier upregulating the expression of antigen-presenting machinery genes through DNA demethylation. Our data also cast more light on the role of DNA methylation in tumour cell escape from specific immunity. RVP3 cultured cells treated with DAC/TSA or nothing. 3 biological replicates per condition.

2014-12-08 | E-GEOD-53465 | biostudies-arrayexpress

Epigenetic regulations in the IFNγ signalling pathway: IFNγ-mediated MHC class I upregulation on tumour cells is associated with DNA demethylation of antigen-presenting machinery genes [TC1A9_DAC]

Project description:Reversible MHC class I deficiency on tumour cells is commonly caused by coordinated silencing of antigen-presenting machinery genes and restorable by IFNγ. Here we describe association of DNA demethylation of selected antigen-presenting machinery gene regulatory regions located in the MHC genomic locus (TAP-1, TAP-2, LMP-2, LMP-7) upon IFNγ treatment with MHC class I upregulation on tumour cells. Our novel findings demonstrate that IFNγ acts as an epigenetic modifier upregulating the expression of antigen-presenting machinery genes through DNA demethylation. Our data also cast more light on the role of DNA methylation in tumour cell escape from specific immunity.

2014-12-08 | GSE53466 | GEO

Epigenetic regulations in the IFNγ signalling pathway: IFNγ-mediated MHC class I upregulation on tumour cells is associated with DNA demethylation of antigen-presenting machinery genes [RVPC3_DAC]

Project description:Reversible MHC class I deficiency on tumour cells is commonly caused by coordinated silencing of antigen-presenting machinery genes and restorable by IFNγ. Here we describe association of DNA demethylation of selected antigen-presenting machinery gene regulatory regions located in the MHC genomic locus (TAP-1, TAP-2, LMP-2, LMP-7) upon IFNγ treatment with MHC class I upregulation on tumour cells. Our novel findings demonstrate that IFNγ acts as an epigenetic modifier upregulating the expression of antigen-presenting machinery genes through DNA demethylation. Our data also cast more light on the role of DNA methylation in tumour cell escape from specific immunity.

2014-12-08 | GSE53465 | GEO

Epigenetic regulations in the IFNγ signalling pathway: IFNγ-mediated MHC class I upregulation on tumour cells is associated with DNA demethylation of antigen-presenting machinery genes [TC1A9_IFN]

Project description:Reversible MHC class I deficiency on tumour cells is commonly caused by coordinated silencing of antigen-presenting machinery genes and restorable by IFNγ. Here we describe association of DNA demethylation of selected antigen-presenting machinery gene regulatory regions located in the MHC genomic locus (TAP-1, TAP-2, LMP-2, LMP-7) upon IFNγ treatment with MHC class I upregulation on tumour cells. Our novel findings demonstrate that IFNγ acts as an epigenetic modifier upregulating the expression of antigen-presenting machinery genes through DNA demethylation. Our data also cast more light on the role of DNA methylation in tumour cell escape from specific immunity.

2014-12-08 | GSE53467 | GEO

cDC1 prime and are licensed by CD4+ T cells to induce anti-tumour immunity

Project description:CD4 T cells are thought to help promote anti-tumour responses by ‘licensing’ antigen presenting cells (APCs) that activate CD8 T cells. Conventional type 1 dendritic cells (cDC1s) are responsible for cross-presentation of tumour-derived antigens to CD8 T cells. Prevailing models presume that the cDC1 is licensed by CD4 T cells that are themselves activated by a distinct cDC subset, the cDC2. The recent finding that neoantigens presented by major histocompatibility complex (MHC) class II molecules can promote rejection of tumours that lack MHC class II (MHC-II) surface expression is consistent with an indirect action of CD4 T cells, such as cDC1 licensing. However, no study has directly identified the APC that primes the CD4 T cells responsible for licensing or clearly identified the target of CD4 licensing in vivo. Here, we generated cDC1-specific Cre expressing mouse strain to inactivate or induce expression of MHC-I, MHC-II, or CD40 specifically within the cDC1 lineage. Using a tumour model that relies on CD8 T cells and CD4 T cells for rejection, we discovered that early priming of CD4 T cells against tumour-derived antigens, in contrast to soluble antigens, relied overwhelmingly on the cDC1 and not the cDC2. cDC1 do not simply transport antigen to lymph nodes for processing by cDC2, since lack of MHC-II expression on cDC1 prevented CD4 T cell priming. We also found that CD40 signaling not only affects licensing of cDC1 for CD8 T cell priming, but is also critical for the activation of CD4 T cells. Thus, in the setting of tumour-derived antigens, cDC1 can function as an autonomous platform, capable of priming both CD4 and CD8 T cells and orchestrating their cross-talk required for optimal anti-tumour immunity.

2020-06-11 | GSE152196 | GEO

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