Expression data from AKR1C1 over-expression in Cal-27 cells or knockdown in HSC-2 cells, respectively
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PROVIDER: PRJNA489264 | ENA |
REPOSITORIES: ENA
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Project description:To exmaine the AKR1C1 controls transcriptome in HNSCC cells, we preformed the Affymetrix Human Genome U133 Plus 2.0 Array with empty vector or AKR1C1 expression vector in Cal-27 cells and shLuc control or shAKR1C1 in HSC-2 cells
2019-12-18 | GSE119444 | GEO
Project description:Background: Zinc-finger protein 750 (ZNF750) is a potential tumor suppressor in oral squamous cell carcinoma (OSCC). However, the molecular mechanisms underlying its anti-tumor effect remain elusive in OSCC. We report the application of RNA sequencing to identify differentially expressed genes (DEGs) between vector groups and ZNF750 groups (over-expressed ZNF750 in CAL-27 cell), and to elucidate the genes and pathways involved in tumor suppression following the ZNF750 over-expression in OSCC cell line CAL-27 cell. Methods: The RNA sequence libraries were constructed, and the data were analyzed to identify DEGs between vector groups and ZNF750 groups. QPCR and western-blot was used to validate differential expression of candidate genes with cell cycle regulation. The cell cycle distribution was analyzed by BrdU staining. Results: By RNA sequencing profiling, 7,131 genes were differentially expressed in ZNF750 groups. Among the DEGs, 3,285 genes were upregulated, 3,846 genes were downregulated and 4,507 genes were identified in three main categories (cellular_component, biological process and molecular function) based on the gene ontology (GO) classification. The Kyoto Encyclopedia of Genes and Genome (KEGG) pathway analysis defined the DEGs could be categorized into 280 pathways and identified the top two most significant pathways involved in spliceosome and cell cycle. Functional categorization and enrichment analysis revealed that most of DEGs involved in binding and catalytic activity, and the cell cycle associated genes was significantly enriched in response to ZNF750 over-expression. ZNF750 induced cell cycle arrest in G0/G1 phase of the cell cycle. Conclusion: Data from this study revealed that the cell cycle pathway was a key factor involved in the anti-tumor effect of ZNF750 in CAL-27 cells.
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Project description:To investigate the carcinogenesis function LEF1 or KDM4A in the regulation of oral squamous cell carcinoma, we used siRNA knockdown of LEF1 or KDM4A in CAL-27 cells.
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Project description:We have employed mRNA microarray expression profiling as a discovery platform to identify genes with the potential to explain how knockdown of XBP-1s upregulated the cell membrane expression of HLA of CAL-27 cells. Both knockdown group and control group were comfirmed to be stable transfected.
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Project description:HSC-3-5 cells, which drived from human HSC-3 cells via transwell invasion assay was high invasive.Tumor cells were injected into the tongue of SCID mice. After 1 week, transcriptional profiling of human HSC-3 tumor comparing with high invasive HSC-3-5 tumor. Goal was to determine the effects of invasion on global HSC-3-5 gene expression during tumor metastasis. HSC-3 and HSC-3-5 oral cancer cells were respectively injected into the tongue of SCID mice. After 1 weeks, total RNA was respectively extracted from the tumor tissue on tongue of SCID mice for gene expression profiling during metastasis. Briefly, two-condition experiment,HSC-3 vs. HSC-3-5 cells.
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Project description:Efficacy of the Multi-Kinase Inhibitor Enzastaurin is Dependent on Cellular Signaling Context Testing a panel of SCCHN cell lines revealed variable sensitivity to enzastaurin which correlated significantly with baseline cyclin D1 protein expression. Moreover, sensitivity and resistance could be reversed, respectively, by expression or depletion of cyclin D1. Furthermore, analysis of sensitive and resistant cell lines revealed distinct differences in cyclin D1 regulation. Enzastaurin modulated cyclin D1 synthesis via an AKT regulated pathway in the former while high level CCND1 gene amplification was present in the latter. These results underscore the critical relevance of cellular signaling context in developing cancer therapies, in general, and suggest that enzastaurin, in particular, would be most effective in tumors where baseline cyclin D1 expression is low to moderate and physiologically regulated. CAL-27 cells were treated with the inhibitors for 24 hours and the gene expression from each group were analyzed
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2013-08-13 | E-GEOD-39726 | biostudies-arrayexpress
Project description:Differential Expression of LncRNAs of cisplatin-resistant versus parental CAL-27 cells
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Project description:Human solid tumors contain rare cancer side population (SP) cells, which expel the fluorescencent dye H33342 and display cancer stem cell characteristics. Transcriptional profiling of cancer SP cells isolated by H33342 fluorescence analysis is a newly emerging approach to discover cancer stem cell markers and aberrant differentiation pathways. Using Affymetrix expression microarrays this study investigated differential gene expression between SP and non-SP (NSP) cells isolated from the CAL-51 human mammary carcinoma cell line. Keywords: cell type comparison To characterize differential gene expression between CAL-51 breast cancer SP and NSP cells, three consecutive cell culture passages of CAL-51 were independently subjected to H33342 labeling and dual wavelength fluorescence analysis and were then flow cytometrically sorted into SP and NSP cell fractions. Subsequently, each of the six cell preparations was subjected to global transcriptional profiling using Affymetrix HG U133 Plus 2.0 expression microarrays.
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