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Differential expression genes analysis of knocking down Prmt1 and Ripk1 in MC38/gp100 cell line

ABSTRACT: Differential expression genes analysis of knocking down Prmt1 and Ripk1 in MC38/gp100 cell line

PROVIDER: PRJNA678452 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13061459.fastq.gz	Fastqsanger.gz
	SRR13061460.fastq.gz	Fastqsanger.gz
	SRR13061461.fastq.gz	Fastqsanger.gz
	SRR13061462.fastq.gz	Fastqsanger.gz
	SRR13061463.fastq.gz	Fastqsanger.gz

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Differential expression genes analysis of knocking down Prmt1 and Ripk1 in MC38/gp100 cell line

Project description:Despite approval of immunotherapy for a wide range of cancers, the majority of patients fail to respond to immunotherapy or relapse following initial response. These failures may be attributed to immunosuppressive mechanisms co-opted by tumor cells. However, it is challenging to utilize conventional methods to systematically evaluate the potential of tumor intrinsic factors to act as immune regulators in cancer patients. To identify immunosuppressive mechanisms in non-responders to cancer immunotherapy in an unbiased manner, we performed genome-wide CRISPR immune screens and integrated our results with multi-omics clinical data to evaluate the role of tumor intrinsic factors in regulating two rate-limiting steps of cancer immunotherapy, namely T cell tumor infiltration and T cell-mediated tumor killing.Our studies revealed two distinct types of immune resistance regulators and demonstrated their potential as therapeutic targets to improve the efficacy of immunotherapy. Among them, PRMT1 and RIPK1 were identified as a dual immune resistance regulator and a cytotoxicity resistance regulator, respectively. Although the magnitude varied between different types of immunotherapy, genetically targeting PRMT1 and RIPK1 sensitized tumors to T-cell killing and anti-PD-1/OX40 treatment. Interestingly, a RIPK1-specific inhibitor enhanced the antitumor activity of T cell-based and anti-OX40 therapy, despite limited impact on T cell tumor infiltration. Collectively, the data provides a rich resource of novel targets for rational immuno-oncology combinations.

2021-02-24 | GSE161496 | GEO

MC38/gp100 cells after type I PRMT inhibitor treatment

Project description:MC38/gp100 cells after type I PRMT inhibitor treatment

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Chromatin accessibility in MC38/gp100 cells after type I PRMT inhibitor treatment

Project description:Chromatin accessibility in MC38/gp100 cells after type I PRMT inhibitor treatment

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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

Toxoplasma gondii arginine methyltransferase 1 (PRMT1) regulates parasite counting during tachyzoite cell division

Project description:PRMT1 is thought to be responsible for the majority of PRMT activity in Toxoplasma gondii, but its exact function is unknown. We generated T. gondii mutants lacking PRMT1 (∆prmt1) by deletion of the PRMT1 gene. ∆prmt1 parasites exhibit morphological defects during cell division and grow slowly, and this phenotype reverses in the complemented strain ∆prmt::PRMT1mRFP. PRMT1 localizes primarily in the cytoplasm with enrichment at the centrosome, and the strain lacking PRMT1 is unable to segregate progeny accurately. Unlike wild-type and complemented parasites, ∆prmt1 parasites have abnormal daughter buds, perturbed centrosome stoichiometry, and loss of synchronous replication. Whole genome expression profiling demonstrated differences in expression of cell cycle regulated genes in ∆prmt1 relative to the complemented ∆prmt1::PRMT1mRFP and parental wild-type strains, but these changes did not correlate with a specific block in cell cycle. Although PRMT1’s primary biological function was previously proposed to be methylation of histones, our genetic studies suggest that the most critical function of PRMT1 is within the centrosome as a regulator of daughter cell counting to assure the proper replication of the parasite. RNA samples were isolated in triplicates from RH-hxgprt parent strain (W), PRMT1 knockout (K) strain and PRMT1 knockout strain complemented with RFP-tagged PRMT1 protein (C). Parasites were grown for 32h at 37C. Samples were hybridized to the Toxoplasma gondii Affymetrix microarray (ToxoGeneChip: http://ancillary.toxodb.org/docs/Array-Tutorial.html). Hybridization data was preprocessed with Robust Multi-array Average (RMA) and normalized using per chip and per gene median polishing and analyzed using the software package GeneSpring GX (Agilent Technologies).

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Differential expression genes analysis in MC38/gp100 cell line with DMSO or type I PRMT inhibitor treatment

Project description:Differential expression genes analysis in MC38/gp100 cell line with DMSO or type I PRMT inhibitor treatment

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Next Generation Sequencing to check the enrichment of RIPK1/BAF on chromatin, RIPK1-dependent chromatin state and RIPK1-dependent transcriptome during inflammatory responses.

Project description:RIPK1 is a master regulator of multiple cell death pathways, including apoptosis and necroptosis, and inflammation. Multiple RIPK1 inhibitors have been advanced into human clinical trials as new therapeutics for human inflammatory and neurodegenerative diseases, including ALS and AD. However, while the mechanism of cytosolic RIPK1 in control of cell death has been extensively investigated, how the activation of RIPK1 may promote transcription of proinflammatory cytokines is unclear as a nuclear function of RIPK1 has not been explored, nor is it clear if and how RIPK1 kinase activity may directly mediate inflammation independent of cell death. Here we show that nuclear RIPK1 is recruited by specific transcription factors and binds to the BAF complex on active enhancers and promoters marked by H3K4me1 and H3K27ac. Nuclear RIPK1 mediates the phosphorylation of SMARCC2, a key component of the BAF complex, to promote chromatin remodeling and the transcription of specific proinflammatory genes. Our results suggest that RIPK1 kinase serves a transcriptional coregulator in nucleus that can transmit extracellular stimuli to BAF complex to modulate the chromatin accessibility and directly regulate the transcription of specific genes involved in mediating inflammatory responses.

2022-07-13 | GSE179018 | GEO

Transcriptional profiles of PA1 teratoma cells transfected by RIPK1, RIPK2, RIPK3, or RIPK4

Project description:RIPK4 but not the related kinases RIPK1, RIPK2, and RIPK3 caused similar transcriptional changes to Wnt3a. PA1 cells were transfected by 8ug RIPK1, RIPK2, RIPK3, or RIPK4 for 48h, RNA were extracted and sequenced.

2013-02-04 | E-GEOD-43362 | biostudies-arrayexpress

Targeting epigenetic networks mediated by Prmt1 and Kdm4c in acute myeloid leukemia

Project description:Transcriptional deregulation plays a major role in acute myeloid leukemia, identification of epigenetic modifying enzymes essential for the maintenance of oncogenic transcription programs holds the key to better understanding the biology and designing effective therapeutic strategies for the disease. Here we provide experimental evidence showing the functional involvement and therapeutic potentials of targeting PRMT1 with H4R3 methyltransferase activity in various MLL and non-MLL leukemias. PRMT1 is necessary but not sufficient for leukemic transformation, which requires co-recruitment of KDM4C with H3K9 demethylase activity by chimeric transcription factors to mediate epigenetic reprogramming. Inhibition of KDM4C/PRMT1 suppresses transcription and transformation ability of MLL fusions and MOZ-TIF2, revealing a novel and targetable epigenetic circuitry mediated by PRMT1 and KDM4C in acute leukemia.

2016-01-14 | E-MTAB-3322 | biostudies-arrayexpress

Quantitative Transcriptome Analysis of RIPK1-KO CD4 T cells

Project description:RIPK1 is a key signaling molecule controlling cell death and inflammation through both scaffold and kinase functions of RIPK1. Human RIPK1 deficiency causes immunodeficiency and inflammatory diseases. Here we analyzed the functional roles of RIPK1 in CD4 T cells.

2022-02-27 | GSE197232 | GEO

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