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SMARCA4 reads PRMT1-mediated H4R3me2a to promote colorectal cancer progression II

ABSTRACT: SMARCA4 reads PRMT1-mediated H4R3me2a to promote colorectal cancer progression II

PROVIDER: PRJNA599180 | ENA |

REPOSITORIES: ENA

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SMARCA4 reads PRMT1-mediated H4R3me2a to promote colorectal cancer progression II

Project description:To further investigate the functional associations between PRMT1 and SMARCA4 and explore the biological significance of these interactions, we conducted expression profiling on the Agilent SurePrint G3 Human Gene Expression v3 (8*60K,Design ID:072363) using knockdown of PRMT1 or SMARCA4’s RNA in HCT116 cells.

2020-01-07 | GSE143199 | GEO

SMARCA4 reads PRMT1-mediated H4R3me2a to promote colorectal cancer progression I

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SMARCA4 reads PRMT1-mediated H4R3me2a to promote colorectal cancer progression I

Project description:SMARCA4 reads PRMT1-mediated H4R3me2a to promote colorectal cancer progression I

| PRJNA599181 | ENA

PRMT1-mediated H4R3me2a recruits SMARCA4 to promote colorectal cancer progression by enhancing EGFR signaling.

Project description: Not available

| S-EPMC8048298 | biostudies-literature

Correction to: PRMT1-mediated H4R3me2a recruits SMARCA4 to promote colorectal cancer progression by enhancing EGFR signaling.

Project description: Not available

| S-EPMC8491380 | biostudies-literature

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).

2015-09-18 | E-GEOD-73177 | biostudies-arrayexpress

WNT-driven PRMT1 Nuclear Localization Generates Synthetic Lethality in Colorectal Cancers

Project description:Colorectal cancer (CRC) arises from multi-step accumulation of genetic and epigenetic mutations that deregulate intestinal homeostasis leading to neoplastic transformation and metastases. Constitutive activation of WNT signaling is considered the initial driver oncogenic event to which CRCs remain addicted, also in their most aggressive metastatic forms. WNT activation provokes an aberrant signaling that converges into the nucleus where transcription and chromatin-remodeling factors cooperate to regulate cell identity. This leads to deregulated proliferation, block of differentiation and evasion from cell death pathways. We found that the protein arginine methyltransferase 1 (PRMT1) is synthetic lethal with WNT oncogenic activation in both genetically-defined mouse models and patient-derived metastatic CRC organoids. WNT activation regulates the subcellular localization of PRMT1, inducing its complete nuclear translocation. This makes CRCs specifically dependent on PRMT1 enzymatic activity to sustain WNT-dependent proliferation regardless of the mutational landscape carried by distinct patients. Together these data uncover a new molecular crosstalk between WNT activation and PRMT1 activity and place PRMT1 inhibition as a potential strategy to counteract CRC addiction to WNT oncogenic activation.

2024-07-01 | GSE179305 | GEO

The SMARCA4<sup>R1157W</sup> mutation facilitates chromatin remodeling and confers PRMT1/SMARCA4 inhibitors sensitivity in colorectal cancer.

Project description: Not available

| S-EPMC10017700 | biostudies-literature

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

PRMT1 and CSNK1a1 control epidermal progenitor maintanence (PRMT1 ChIP-seq data set)

Project description:Here we determine the genome-wide binding sites of PRMT1 in primary human keratinocytes. We also investigated the impact of casein kinase inhibitor D4476 on PRMT1 genomic binding.

2018-02-02 | GSE110050 | GEO

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