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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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ERbeta modulation of NFkB pathway in colon cancer cell lines SW480 and HT29

ABSTRACT: Analysis of differentially expressed genes in colon cancer cell lines SW480 and HT29 with and without stably expressed ERbeta gene, with and without 10ng/mL TNFa treatment for 2 and 24 hours. Total RNA obtained from colon cancer cell lines SW480 and HT29 with and without stably expressed ERbeta gene, with and without 10ng/mL TNFa treatment for 2 and 24 hours.

ORGANISM(S): Homo sapiens

SUBMITTER: Trang Nguyen-Vu

PROVIDER: E-GEOD-65979 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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ERbeta modulation of NFkB pathway in colon cancer cell lines SW480 and HT29

Project description:Analysis of differentially expressed genes in colon cancer cell lines SW480 and HT29 with and without stably expressed ERbeta gene, with and without 10ng/mL TNFa treatment for 2 and 24 hours.

2020-08-13 | GSE65979 | GEO

Response to estradiol-ERbeta and estradiol-ERbeta ERE binding defective mutant

Project description:In addition to the estrogen responsive element (ERE)-dependent gene expression, E2-ERbeta regulates transcription through functional interactions with transfactors bound to their cognate regulatory elements on DNA, hence the ERE-independent signaling pathway. However, the relative importance of the ERE-independent pathway in E2-ERbeta signaling is unclear. Our studies in infected ER-negative cell models with an ERbeta mutant (ERbetaDBD) that functions exclusively at the ERE-independent pathway demonstrated that genomic responses assessed by microarrays from the ERE-independent pathway to E2-ERbeta are not sufficient to alter cellular growth, death or motility. These findings suggest that the ERE-dependent pathway is the canonical E2-ERbeta signaling in model cell lines. Keywords: MDA-MB-231 cells

2007-12-04 | GSE9759 | GEO

Human colon cancer SW480 cells: stably transfected with vector control and LRP16 treated with or without etoposide

Project description:Transcriptional profiling of human colon cancer SW480 cells comparing control untreated SW480 cells with cells stably transfected with LRP16 treated with or without etoposide (50 μM) for the indicated periods (0,1hour, 3hours).An exploratory microarray analysis was performed with mRNA extracted from clutured SW480 cells transfected with LRP16 or control plasmid that were treated with or without etoposide. Total RNA of colon cancer cells stably transfected with vector control and LRP16 treated with or without etoposide (50 μM) for the indicated periods was isolated and purified using RNeasy Kit (Qiagen, Hilden, Germany). Integrity of RNA was assessed by using an Agilent BioAnalyser 2100 (Agilent Technologies).

2017-09-22 | GSE93625 | GEO

Diverse effect of WWOX overexpression in HT29 colon cancer cell line.

Project description:The WWOX gene is a tumor suppressor probably involved in regulation of cell cycle and apoptosis and downregulated in variety of cancer types.However, its role in colon cancerogenesis is unknown. The aim of this study was to characterize how WWOX may be involved in colon cancerogenesis or cancer progression, how it influences the basic cancer cell features and modifies cell expression profile.Our observations suggest that in HT29 colon cancer cell line increased expression of WWOX may result in transition of cancer cells into more normal- like colon epithelium phenotype, on the other hand in SW480 WWOX revealed the well-known tumour suppressor properties. However, as the colon cancer is very heterogeneous disease, obtained discrepancies may reflect the known differences between cell lines and cancerogenesis pathway, which they undergone. HT29 colon cancer cells were stably transfected with WWOX cDNA. HT29 cells transfected with an empty vector served as a control. Total mRNA was isolated to look for gene-expression differences induced by the WWOX overexpression.

2014-01-23 | E-GEOD-54298 | biostudies-arrayexpress

Diverse effect of WWOX overexpression in SW480 colon cancer cell line.

Project description:The WWOX gene is a tumor suppressor probably involved in regulation of cell cycle and apoptosis and downregulated in variety of cancer types.However, its role in colon cancerogenesis is unknown. The aim of this study was to characterize how WWOX may be involved in colon cancerogenesis or cancer progression, how it influences the basic cancer cell features and modifies cell expression profile.Our observations suggest that in HT29 colon cancer cell line increased expression of WWOX may result in transition of cancer cells into more normal- like colon epithelium phenotype, on the other hand in SW480 WWOX revealed the well-known tumour suppressor properties. However, as the colon cancer is very heterogeneous disease, obtained discrepancies may reflect the known differences between cell lines and cancerogenesis pathway, which they undergone. SW480 colon cancer cells were stably transfected with WWOX cDNA. SW480 cells transfected with an empty vector served as a control. Total mRNA was isolated to look for gene-expression differences induced by the WWOX overexpression.

2014-01-23 | E-GEOD-54299 | biostudies-arrayexpress

ERbeta influencing p65 cistromes in colon cancer cells

Project description:ERbeta influencing p65 cistromes in colon cancer cells

| PRJNA674648 | ENA

ERbeta influencing p65 cistromes in colon cancer cells

Project description:Inflammation is involved in both initiation and promotion of colorectal cancer (CRC), and patients with inflammatory bowel disease (IBC) have increased risk of developing CRC. Tumor necrosis factor alpha (TNFα) is a cytokine secreted by e.g. macrophages, and this signaling is deregulated in IBD and CRC. TNFα activates the pro-survival transcription factor complex NFκB, which is composed of several subunits including p65 (RELA). We recently characterized the genome-wide transcriptional impact by TNFα in two CRC cell lines, but how p65 binds the chromatin, its cistrome, in colorectal cancer cells has not been explored. We here used p65 chromatin immunoprecipitation followed by sequencing (ChIP-Seq) in HT29 and SW480 cells, and correlated with the transcriptomic impact of TNFα. Further, estrogen receptor beta (ERβ) has anti-inflammatory and anti-tumorigenic effects in colon cells and interacts with NFκB main targets. We have shown that ERβ impacts TNFα signaling in CRC cells and ERβ impacts the P65 cistrome.

2021-03-01 | GSE160856 | GEO

Co-cultivation of colorectal cancer cells and human skin fibroblasts in 3D collagen gel and comparison of co-cultivated fibroblasts with CAFs

Project description:Despite the growing recognition of the role of the stroma in cancer growth, invasive behavior and metastasis, the exact mechanisms of its participation remain unclear. We have explored the relationships between the epithelial/mesenchymal (E/M) state of colorectal cancer cells, their ability to activate fibroblasts, and the expression of collagen related genes. To this end, we studied (i) co-cultures of colorectal cancer cells with different hybrid E/M states and normal fibroblasts in a collagen matrix and (ii) patient-derived cancer-associated fibroblasts (CAFs). Using RNA-sequencing, we found that the different cancer cells can activate normal fibroblasts, which could form dense collagen networks. The functional enrichment analysis of differentially expressed genes indicates more mesenchymal phenotype and greater motility of SW480 cells compared to HT29 cells. The genes related to collagen biosynthesis and catabolism tend to be more active in SW480 cells rather than HT29 cells. Moreover, LOXL2 and LOXL3 genes, which are necessary for collagen fibril organization, are SW480 specific, which may indicate greater input of this cell line in collagen remodeling compared to HT29 cells. The expression of several CAF marker genes is activated in NFs upon co-cultivation with HT29 and SW480. Interestingly, a more-epithelial cell line HT29 activates the fibroblasts to a greater extent, than does SW480. The co-cultivation of colon cancer cell lines HT29 or SW480 with NFs leads to the activation of collagen biosynthesis and collagen fibril organization genes in NFs. Our findings suggest that the normal fibroblasts, activated by cancer cells, contribute to the organization of the extracellular matrix. Therefore, targeting the ability of cancer cells to activate normal fibroblasts can be considered as a new therapeutic strategy.

2020-10-30 | GSE155343 | GEO

Transcription profiling of human ER negative cells response to estradiol-ERbeta and estradiol-ERbeta ERE binding defective mutant

2008-06-16 | E-GEOD-9759 | biostudies-arrayexpress

LncRNA expression analysis of Clostridium butyricum-induced cell apoptosis in colon cancer SW480 cells

Project description:To compare lncRNAs and mRNAs expression profiles in colon cancer after co-cultured with CB and without CB, we extracted total RNA of colon cancer cell line(SW480) after co-cultured with CB(SW480/CB) and paired control without CB(SW480/ctr), and identified the dysregulated lncRNAs and mRNAs using Agilent Human lncRNAs/mRNAs microarrays.

2015-05-30 | GSE66731 | GEO

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