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Genome-wide analysis of colon cancer cell SW480_Control, _BOP1, _CKS2 and _NFIL3 treated with different inhibitors

ABSTRACT: SW480 cells overexpressing BOP1, CKS2 or NFIL3 migrated more actively compared to Control cells. Migration induced by BOP1, CKS2 or NFIL3 was repressed by interfering with distinct signaling systems using small- molecular-weight inhibitors, i.e., interference with PI3K, JNK and Notch in the case of BOP1, with PI3K and p38 MAPK in the case of CKS2, as well as with PI3K, p38 and mTOR in the case of NFIL3. Gene expression profilings suggest that BOP1, CKS2 and NFIL3 overexpression are associated functionally with a series of migration-related genes, which can be repressed transcriptionally by specific pathway inhibitors.

ORGANISM(S): Homo sapiens

PROVIDER: GSE50841 | GEO | 2015/08/04

SECONDARY ACCESSION(S): PRJNA219137

REPOSITORIES: GEO

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Genome-wide analysis of colon cancer cell SW480_Control, _BOP1, _CKS2 and _NFIL3 treated with different inhibitors

Project description:SW480 cells overexpressing BOP1, CKS2 or NFIL3 migrated more actively compared to Control cells. Migration induced by BOP1, CKS2 or NFIL3 was repressed by interfering with distinct signaling systems using small- molecular-weight inhibitors, i.e., interference with PI3K, JNK and Notch in the case of BOP1, with PI3K and p38 MAPK in the case of CKS2, as well as with PI3K, p38 and mTOR in the case of NFIL3. Gene expression profilings suggest that BOP1, CKS2 and NFIL3 overexpression are associated functionally with a series of migration-related genes, which can be repressed transcriptionally by specific pathway inhibitors. SW480 stable cells were grown in DMEM, 10% FCS, and treated for 24 hr with the following inhibitors or with solvent (DMSO): SW480_Control with DMSO; SW480_BOP1 with DMSO, LY294002 (3.3 uM), SP600125 (33.3 nM) and DAPT (667 nM); SW480_CKS2 with DMSO, LY294002 (3.3 uM) and SB203580 (3.3 uM); SW480_NFIL3 with DMSO, LY294002 (3.3 uM), SB203580 (3.3 uM) and Rapamycin (33.3 nM).

2015-08-04 | E-GEOD-50841 | biostudies-arrayexpress

Expression data from SW480 cells with Gankyrin knockdown

Project description:We performed genome-wide screening using SW480 cells with Gankyrin knockdown on an Affymetrix gene expression array to identify the transcriptional targets of Gankyrin. Transcriptional profiling with samples from SW480 cells that were infected with control or gankyrin shRNA. Two condition experiment: control shRNA (three replicates) and NFIL3 shRNA (three replicates)

2013-02-04 | E-GEOD-44029 | biostudies-arrayexpress

HeberleRazquinNavas2019 - The PI3K and MAPK/p38 pathways control stress granuleassembly in a hierarchical manner model 2

Project description:All cells and organisms exhibit stress-coping mechanisms to ensure survival. Cytoplasmic protein-RNA assemblies termed stress granules are increasingly recognized to promote cellular survival under stress. Thus, they might represent tumor vulnerabilities that are currently poorly explored. The translation-inhibitory eIF2α kinases are established as main drivers of stress granule assembly. Using a systems approach, we identify the translation enhancers PI3K and MAPK/p38 as pro-stress-granule-kinases. They act through the metabolic master regulator mammalian target of rapamycin complex 1 (mTORC1) to promote stress granule assembly. When highly active, PI3K is the main driver of stress granules; however, the impact of p38 becomes apparent as PI3K activity declines. PI3K and p38 thus act in a hierarchical manner to drive mTORC1 activity and stress granule assembly. Of note, this signaling hierarchy is also present in human breast cancer tissue. Importantly, only the recognition of the PI3K-p38 hierarchy under stress enabled the discovery of p38’s role in stress granule formation. In summary, we assign a new pro-survival function to the key oncogenic kinases PI3K and p38, as they hierarchically promote stress granule formation.

2020-01-03 | MODEL2001030002 | BioModels

HeberleRazquinNavas2019 - The PI3K and MAPK/p38 pathways control stress granuleassembly in a hierarchical manner model 3

Project description:All cells and organisms exhibit stress-coping mechanisms toensure survival. Cytoplasmic protein-RNA assemblies termedstress granules are increasingly recognized to promote cellularsurvival under stress. Thus, they might represent tumor vul-nerabilities that are currently poorly explored. The translation-inhibitory eIF2αkinases are established as main drivers ofstress granule assembly. Using a systems approach, we identifythe translation enhancers PI3K and MAPK/p38 as pro-stress-granule-kinases. They act through the metabolic master regu-lator mammalian target of rapamycin complex 1 (mTORC1) topromote stress granule assembly. When highly active, PI3K is themain driver of stress granules; however, the impact of p38becomes apparent as PI3K activity declines. PI3K and p38 thusact in a hierarchical manner to drive mTORC1 activity and stressgranule assembly. Of note, this signaling hierarchy is also presentin human breast cancer tissue. Importantly, only the recognition ofthe PI3K-p38 hierarchy under stress enabled the discovery of p38’srole in stress granule formation. In summary, we assign a new pro-survival function to the key oncogenic kinases PI3K and p38, as theyhierarchically promote stress granule formation

2020-01-03 | BIOMD0000000907 | BioModels

RNAi profiling by array of SW840 cells after Ezrin knockdown

Project description:Analysis of SW480 cells following knockdown of Ezrin using RNAi. Ezrin is a protein that regulate the organization of cytoskeleton. Ezrin KD SW480 was used to study the role of ezrin in colon cancer. Experiment Overall Design: Knockdown ezrin in SW480 cells and investigate the affection on cell migration and the downstream genes.

2008-06-11 | E-GEOD-11279 | biostudies-arrayexpress

Homo sapiens

Project description:Comparison of gene expression profilings between Mock-WS480, NonV50-OKS-SW480 and 2ndV50-OKS-SW480

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| PRJNA659546 | ENA

Ezrin knockdown in SW480

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The RALA pathway can maintain the proliferation of KRAS- and BRAF-mutated cancer cells

Project description:By silencing of RALA, a downstream member of the RAS signal transduction pathway, we aimed to determine whether genes downstream of a mutated KRAS (codon 12 or 13) or a mutated BRAF can have significant functions in colorectal cancer carcinogenesis. RALA was silenced in three colorectal cancer cell lines (SW480, HCT116 and HT29). Effects were normalized to mock-transfected cells and the effects of scramble siRNA were excluded. SW480, HCT116 and HT29 cell lines were treated with the PI3K inhibitor LY294002 or DMSO.

2015-06-20 | E-GEOD-39857 | biostudies-arrayexpress

Transcription profiling of mouse postnatal neuroblasts from posterior and anterior rostral migratory streams

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2008-09-01 | E-MEXP-1430 | biostudies-arrayexpress

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