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ABSTRACT: Gene expression changes in human gastric adenocarcinoma cells (AGS) after overexpression of LGALS9B

PROVIDER: PRJNA1188737 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR31419117.fastq.gz	Fastqsanger.gz
	SRR31419118.fastq.gz	Fastqsanger.gz
	SRR31419119.fastq.gz	Fastqsanger.gz
	SRR31419120.fastq.gz	Fastqsanger.gz
	SRR31419121.fastq.gz	Fastqsanger.gz

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Project description:Gene expression changes in human gastric adenocarcinoma cells (AGS) after knockdown of LGALS9B

| PRJNA1188735 | ENA

TNFα secreted from macrophages increases expression of prometastatic integrin αV in gastric cancer

Project description:We performed RNA-Seq to confirm the changes in expression of genes in the relevant pathway in human gastric cancer cells (AGS cells) and AGS cells cocultured with macrophages (RAW264.7 cells). In the gene ontology enrichment analysis of the 160 genes that were increased in AGS cells cocultured with RAW264.7 cells, pathways related to immune response, cell adhesion, and cytokine response were enriched.

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Comprehensive analysis of the immune implication of NOTCH1 gene in stomach adenocarcinoma

Project description:In order to better understand the relationship between NOTCH1 gene and immunity in gastric adenocarcinoma cells, we performed the silent interference of NOTCH1 gene on three gastric adenocarcinoma cell lines AGS, MKN-45 and MGC-803. We extracted the total RNA from the interfered and untreated blank control cells, and performed lncRNA library construction and sequencing. The results of bioinformatics analysis showed that the silencing of NOTCH1 gene in gastric adenocarcinoma cells activated several immune-related signal transduction pathways, including T cell receptors, chemokines, JAK-STAT, Toll-like receptors, ECM receptors and other signals. Conduction pathway. These results confirm that NOTCH1 may down-regulate the immune response of gastric adenocarcinoma.

2023-05-01 | GSE175445 | GEO

mRNA profiling of AGS Gastric Cancer cell line treated with the Homeopathy formulation, Ornithogalum

Project description:Ornithogalum is one of the therapeutic formulation used in homeopathic treatments. It is specifically used in the treatment for gastric and duodenal ulcerations. Towards understanding the anticancer mechanism, we investigated the genome-wide mRNA changes upon treating AGS Gastric Cancer cells with Ornithogalum. We observed that totally 707 genes were significantly regulated upon Ornithogalum Treatment, among them 246 genes were upregulated and 461 genes were downregulated. The results provide insight into molecular implication and gene level expression of AGS upon treatment with Ornithogalum. Total RNA was isolated from AGS gastric cancer cells treated with 0.01% of ornithogalum and ethanol control and profiled using Affymetrix Human Gene 1.0 ST Array (HuGene-1_0-st).

2014-04-01 | E-GEOD-54658 | biostudies-arrayexpress

human gastric cancer cell AGS shTOPK LC-MSMS

Project description:Knockdown of TOPK expression in human gastric cancer cells AGS, Phosphoproteomic assay for control and shTOPK groups

2023-05-10 | PXD036814 | Pride

Expression data of EBV-positive and EBV-negative subclones of gastric adenocarcinoma cell line AGS

Project description:Gastric cancer is one of the most common cancers worldwide. Epstein-Barr virus-associated gastric cancer accounts for approximately 10% of all gastric cancers. EBV expresses its own proteins and miRNAs (BART miRNAs) and regulates host gene expression. In this study, we examined the effect of EBV infection on host mRNA expression. Differential gene expression was analyzed between EBV-negative human gastric cancer cell line AGS and EBV-positive human gastric cancer cell line AGS-EBV.

2019-10-14 | GSE135644 | GEO

MAPK1 promotes the metastasis and invasion of gastric cancer as a bidirectional transcription factor (ChIP-Seq)

Project description:Background Mitogen-activated protein kinase 1 (MAPK1) has independent functions of phosphorylating histones as a kinase and directly binding the promoter regions of genes to regulate gene expression as a transcription factor. Previous studies identified elevated expression of MAPK1 in human gastric cancer, which is associated with its role as a kinase, facilitating gastric cancer cell migration and invasion. However, being a transcription factor, how MAPK1 binds its target genes and whether it modulated related gene expressions in gastric cancer remains unclear. Results Here, we integrated biochemical assays (protein interactions and chromatin immunoprecipitation (ChIP)), cellular analysis assays (cell proliferation and migration), RNA sequencing, ChIP sequencing, and clinical analysis to investigate the potential genomic recognition patterns of MAPK1 in a human gastric adenocarcinoma cell-line (AGS) and to uncover its regulatory effect on gastric cancer progression. We confirmed that MAPK1 promotes AGS cells invasion and migration by regulating the target genes in controversial directions, up-regulating seven target genes (KRT13, KRT6A, KRT81, MYH15, STARD4, SYTL4, and TMEM267) and down-regulating one gene (FGG). Among them, five genes (FGG, MYH15, STARD4, SYTL4, and TMEM267) were first associated with cancer procession, while the other three (KRT81, KRT6A, and KRT13) have been previously confirmed to be related to cancer metastasis and migration. Conclusion Our data showed that MAPK1 binds to the promoter regions of these target genes to control their transcription, hence encouraging AGS cell motility and invasion. Our research broadened the understanding of the regulatory roles of MAPK1, enriched the knowledge of transcription factors, and provided novel candidates for cancer therapeutics.

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mRNA profiling of AGS gastric cancer cell line upon CTNNB1 silencing

Project description:Beta-catenin (CTNNB1) is a major component of Wnt signaling pathway and a crucial player in gastric cancer. To delineate the complex transcription program governed by CTNNB1 in gastric cancer cells, CTNNB1 was silenced in AGS, a commonly used Wnt signaling activated gastric cancer cell line and the resultant changes in genome-wide mRNA expression pattern was profiled using Affymetrix Human Gene 1.0 ST Array.

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Changes in gene expression in AGS cells in response to Helicobacter pylori lipopolysaccharide

Project description:This study set out to identify global changes in gene expression in AGS gastric epithelial cells following 8 hours stimulation with 10 μg/ml lipopolysaccharide (LPS) from the gastric pathogen H. pylori. Microarray analysis was used to compare changes in gene expression between cells treated with 10 μg/ml H. pylori LPS and untreated cells at the same time point. Total RNA was harvested from AGS cells following treatment with LPS for 8h or untreated cells at the same time-point. 2 independent experiments were carried out. RNA was labelled and hybridized to GeneChips to analyse changes in gene expression.

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