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Genome-wide assay of BRG1 regulated genes in inflamed colon epithelial cells

ABSTRACT: Genome-wide assay of BRG1 regulated genes in inflamed colon epithelial cells

PROVIDER: PRJNA439398 | ENA |

REPOSITORIES: ENA

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Genome-wide assay of BRG1 regulated genes in inflamed colon epithelial cells

Project description:Here we focus on the function of BRG1 in colitis and colitis-associated-cancer, in the aim of finding the direct target genes of BRG1 which may response for the phenotype we observed in BRG1 conditional knock-out mice, ChIP-Seq assay is used. The cells used for ChIP-Seq is colon epithelial cells which isolated from DSS treated mice.

2019-03-01 | GSE112127 | GEO

Longitudinal single cell RNA-seq of the inflamed colon

Project description:We demonstrate single-cell RNA sequencing with time course study on DSS-induced colitis mouse model to reveal the overall cellular status during colon inflammation. Based on single cell transcriptome analysis in inflamed colon, we showed that the stromal cell population of colon functions as a hub to coordinate dynamic change with other cell type. We also found the Serpina3n, a serine protease inhibitor is specific up-regulation in the stromal cells during the resolution phase of colon inflammation. Furthermore, we found that systemic administration of Serpina3n promoted the recovery of resolution phase and ameliorated colitis-related symptoms. This study provides a comprehensive understanding of cell-cell interactions during colorectal inflammation at the single-cell level and reveals a potential therapeutic target by hijacking the endogenous inflammation resolution mechanism.

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Longitudinal single cell RNA-seq of the inflamed colon

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Protein-protein interactions of BRG1 or BRG1-HSA in SW13 cells

Project description:The SWI/SNF complex remodels chromatin in an ATP-dependent manner through the ATPase subunits BRG1 and BRM. Chromatin remodeling alters nucleosome structure to change gene expression, however aberrant remodeling and gene expression can result in cancer. The function and localization on chromatin of the SWI/SNF complex depends on the protein makeup of the complex. Here we report the protein-protein interactions of wild-type BRG1 or mutant BRG1 in which the HSA domain has been deleted (BRG1-HSA). We demonstrate the interaction of BRG1 with most SWI/SNF complex members and a failure of a number of these members to interact with BRG1-HSA. These results demonstrate that the HSA domain of BRG1 is a critical interaction platform for the correct formation of SWI/SNF remodeling complexes.

2023-02-15 | PXD029647 | Pride

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Project description:Colon epithelial cells Transcriptome

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Next generation sequencing of FFPE human colon cancer samples for validation of ColoType consensus molecular subtype (CMS) assay

Project description:Purpose: To validate the novel ColoType assay for computing consensus molecular subtypes of colon cancer tumor samples Method: Whole-genome RNA-sequencing of colon cancer samples from formalin-fixed paraffin-embedded (FFPE) provided data for consensus molecular subtyping samples using multiple independent methods, including the novel ColoType method. A custom Illumina AmpliSeq library was also used to implement ColoType on these samples by targeted RNA-sequencing. Results: Multiple independent methods for computing CMS subtypes for FFPE colon cancer samples have widespread agreement with ColoType assay.

2020-07-27 | GSE152430 | GEO

Brg1 restrains the pro-inflammatory properties of ILC3s and modulates intestinal immunity [ATAC-seq]

Project description:To determine the molecular regulation of ILC3s by Brg1, small intestinal ILC3s (Lin-Thy1highCD45low) from Brg1-deficient and control ILC3s were subjected to assay for transposase-accessible chromatin with high throughput sequencing (ATAC-seq).

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Function of Epithelium BRG1 in colitis and CAC

Project description:Here we show that epithelial BRG1, the catalytic subunit of SWI/SNF complex is critical for colitis and colitis-associated-cancer. Depletion of BRG1 in colonrectal epithelial cells make mice develop Spontaneous colitis. To dissect underlying mechanism, we conducted gene expression profile analysis (RNA-Seq) by using primary colonrectal epithelial cells isolated from BRG1CTRL and BRG1IEC-KO(Tamoxifen induced BRG1 knock-out) mice to gain molecular insights into the affected biological processes. To this end, colorectal epithelial cells were isolated after 14 days of tamoxifen treatment, on which day BRG1-depleted mice showed little morphological defects in colon in comparison with control littermates. IECs were isolated by EDTA isolation buffer. Each sample contains pooled mRNA from 3 mice, and was subjected to Hiseq RNA-Seq, performed by BGI Tech Solutions Co., Ltd.

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Microarray analysis of ATP-dependent chromatin remodeller BRG1/SMARCA4 mediated gene expression in primary human keratinocytes (PHEKs) after scratch wound assay.

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Re-expression of SMARCA4/BRG1 in Small Cell Carcinoma of Ovary, Hypercalcemic Type (SCCOHT) promotes an epithelial-like gene signature through an AP-1-dependent mechanism

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2021-01-15 | PXD014134 | Pride

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