Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

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. 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).

ORGANISM(S): Homo sapiens

SUBMITTER: Jingjing Qi

PROVIDER: E-GEOD-50841 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

New Wnt/β-catenin target genes promote experimental metastasis and migration of colorectal cancer cells through different signals.

Qi Jingjing J Yu Yong Y Akilli Öztürk Özlem Ö Holland Jane D JD Besser Daniel D Fritzmann Johannes J Wulf-Goldenberg Annika A Eckert Klaus K Fichtner Iduna I Birchmeier Walter W

Gut 20150708 10

<h4>Objectives</h4>We have previously identified a 115-gene signature that characterises the metastatic potential of human primary colon cancers. The signature included the canonical Wnt target gene BAMBI, which promoted experimental metastasis in mice. Here, we identified three new direct Wnt target genes from the signature, and studied their functions in epithelial-mesenchymal transition (EMT), cell migration and experimental metastasis.<h4>Design</h4>We examined experimental liver metastases ...[more]

PMID: 26156959

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Project description:This experiment is part of the FunGenES project (FunGenES - Functional Genomics in Embryonic Stem Cells partially funded by the 6th Framework Programme of the European Union, http://www.fungenes.org).The experiment was conducted at the Unyversity of Bath, Bath, UK. Aim is to identify genes regulated by PI3K-dependent signaling in undifferentiated ES cells. Materials and methods: E14tg2a cell line was used. Cells were cultured in Knock-out DMEM supplemented with 15% (v/v) Knock-out serum replacement, 1000U/ml LIF, 2mM glutamine, 50 ?M 2-mercaptothanol and 1x NEAA (as described in Handbook of work methods, 4.3.1.1). Cells were plated at 5x105 per 10cm gelatin-coated TC dish for 24h. ES cells were then starved for 24h in media lacking LIF and pre-incubated for 30 minutes with 5 <B5>M LY294002 (the concentration of this PI3K inhibitor that we have shown to perturb self-renewal in the presence of LIF and which knocks down PI3K signals) or DMSO alone. Cells were then stimulated with 103U/ml mLIF (Chemicon) for 2h (which gave maximal activation of STAT3), 24h, 48h or 72h.</p>\n<h3>Relationships between samples</h3>\n <p ALIGN="JUSTIFY">Samples were either maintained in LIF or LIF plus LY294002 (PI3K inhibitor) for the required treatment times.</p>\n<h3>Treatments</h3>\n <p ALIGN="JUSTIFY">Treatment times with PI3K inhibitor LY294002 at 5 <B5>M <96> 2h (n=5), 24h (n=3), 48h (n=3), 72h (n=3). DMSO was used as vehicle alone treatment control.</p>\n<h3>Culture conditions</h3>\n <p ALIGN="JUSTIFY">Gelatin-coated TC dishes (Nunc)</p>\n<h3>RNA isolation method</h3>\n <p ALIGN="JUSTIFY">RNA Easy with on-column DNase treatment</p>\n<h3>Experimental description</h3>\n <p ALIGN="JUSTIFY">This information is included above. Briefly, E14tg2a ES cells were either maintained in LIF or LIF plus LY294002 (5 <B5>M) for 2, 24, 48 or 72 hours, after which RNA was extracted from each sample and sent for expression profiling. During this time-course, only 72h time points plus LY294002 showed phenotypic evidence of differentiation. </p>\n

Dataset Information

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

Publications

New Wnt/β-catenin target genes promote experimental metastasis and migration of colorectal cancer cells through different signals.

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