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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Expression data for HIF1alpha-regulated genes in clear cell renal carcinoma cells (ccRCC)

ABSTRACT: Gene expression profiling was performed in ccRCC cells, which either express both HIF1alpha and HIF2alpha (either naturally or by virtue of induced expression of HIF1alpha) or express HIF2alpha alone (either naturally or by virtue of a HIF1alpha shRNA), to identify genes regulated by HIF1alpha in ccRCC cells. Three H2 cell lines 769P, A498, and SLR24 were stably infected with retrovirus encoding doxycycline-inducible Luciferase (control) or HIF1alpha, and two H1H2 cell lines Caki-2 and SLR25 were stably infected with retroviruses encoding scrambled (control) or HIF1alpha shRNA. Duplicated samples were used for each condition.

ORGANISM(S): Homo sapiens

SUBMITTER: Chuan Shen

PROVIDER: E-GEOD-27415 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Genetic and functional studies implicate HIF1α as a 14q kidney cancer suppressor gene.

Shen Chuan C Beroukhim Rameen R Schumacher Steven E SE Zhou Jing J Chang Michelle M Signoretti Sabina S Kaelin William G WG

Cancer discovery 20110607 3

<h4>Unlabelled</h4>Kidney cancers often delete chromosome 3p, spanning the VHL tumor suppressor gene, and chromosome 14q, which presumably harbors ≥ 1 tumor suppressor genes. pVHL inhibits the hypoxia-inducible transcription factor (HIF), and HIF2α is a kidney cancer oncoprotein. In this article, we identify focal, homozygous deletions of the HIF1α locus on 14q in clear cell renal carcinoma cell lines. Wild-type HIF1α suppresses renal carcinoma growth, but the products of these altered loci do n ...[more]

PMID: 22037472

Similar Datasets

Expression data for HIF1alpha-regulated genes in clear cell renal carcinoma cells (ccRCC)

Project description:Gene expression profiling was performed in ccRCC cells, which either express both HIF1alpha and HIF2alpha (either naturally or by virtue of induced expression of HIF1alpha) or express HIF2alpha alone (either naturally or by virtue of a HIF1alpha shRNA), to identify genes regulated by HIF1alpha in ccRCC cells.

2011-12-02 | GSE27415 | GEO

YAP conveys an invasive phenotype to clear cell renal cell carcinoma cell lines via endothelin-2

Project description:To determine the biological mechanisms underlying the oncogenic properties of YAP in ccRCC the human ccRCC cell line MZ1774 was transduced with lentivirus containing a shRNA-cassette targeting YAP-mRNA. Expression profiles of MZ1774 YAP knockdown cells were compared to mock-transduced control cells. Total RNA from MZ1774 cells stably expressing shRNA directed against YAP compared to mock-transduced MZ1174 cells

2014-12-23 | E-GEOD-50053 | biostudies-arrayexpress

To identify genes responsive to treatment with the HIF2a inhibitor PT2399

Project description:HIF2a function is both necessary and sufficient for the growth of VHL-null clear cell Renal Cell Carcinoma (ccRCC). Targeting HIF2a function can therefore be a promising therapeutic strategy. We used microarray analysis to characterize a novel pharmacological inhibitor of HIF2a named PT2399. By comparing genes that are responsive to PT2399 in parental cells vs cells lacking HIF2a, by virtue of CRISPR-mediated genetic editing, we characterized gene signatures that are regulated by PT2399 in a HIF2a dependent manner. Cells were treated with either DMSO (control) or 2uM PT2399 for indicated time periods, total RNA was extracted and analyzed. Please note that the experiments with 786O Parental and HIF2a null cells were conducted independently.

2016-07-03 | E-GEOD-72959 | biostudies-arrayexpress

Murine M7 leukemia derived from retroviral insertional mutagenesis of Gata1s fetal progenitors depends on IGF signaling

Project description:The goal of this study is to derive a mouse model of human Down Syndrome (DS) megakaryocytic leukemia involving mutations in the hematopoietic transcription factor, GATA1 (called GATA1s mutation). We achieved this through transduction of Gata1s mutant fetal progenitors by MSCV-based retrovirus expressing a GFP marker, followed by in vitro selection (for immortalized cell lines), and then in vivo selection (for transformed cell lines) through transplantation. Here we report one such cell line [T6(6)] that gives rise to megakaryocytic leukemia (M7 leukemia) upon transplantation. We show knockdown of IGF1R in these cells leads to their reduced proliferation. IGF1R was knocked down in these cells using a tet-regulatable shRNA-based lentiviral system. Cells infected with the empty vector or those infected with shRNA construct against IGF1R but in the absence of Doxycycline were used as controls. The latter cells in the presence of Doxycycline exhibited reduced IGF1R at the RNA level.

2010-08-01 | E-GEOD-16684 | biostudies-arrayexpress

Gene expression data from cultured mouse cortical (mCTX) neurons in different stimulation and knockdown conditions

Project description:Although the induction of C-FOS in the brain has been extensively studied for several decades to date there has been no attempt to identify the targets of C-FOS at a genome wide level, and it was not known how many genes C-FOS activates in a given cell. To identify potential C-FOS target genes, we performed microarray analysis on RNA obtained from mouse cortical (mCTX) neurons infected with lentivirus containing either a control shRNA (targeting firefly luciferase) or c-Fos shRNA that were subsequently depolarized with 0, 1, 3, or 6 hours of KCl. Embryonic day 16.5 cortices from C57BL/6 mice were dissected, dissociated, plated, and subsequently grown in a cell culture incubator that maintained a temperature of 37 degrees C and a CO2 concentration of 5%. On DIV5, lentiviral supernatant containing either a lentivirus expressing a control shRNA targeting firefly luciferase or a lentivirus expressing shRNA targeting c-Fos was applied to cultures for 6hrs with 6ug/mL polybrene. At DIV7, mCTX neurons were silenced and stimulated with KCl for either 0, 1, 3, or 6hrs, and total RNA was purified using Trizol and the RNeasy mini kit from Qiagen. 10ug of labeled cDNA was subsequently hybridized to Affymetrix mouse genome 430 2.0 arrays with affymetrix processing.

2014-09-07 | E-GEOD-60049 | biostudies-arrayexpress

PKCδ regulates the transformed growth of K-ras dependent lung cancer cells through regulation of integrin αVβ3 expression

Project description:To explore how PKCδ regulates tumorigenesis, we performed mRNA expression analysis of four KRAS mutant NSCLC cell lines that stably express scrambled shRNA or PKCδ targeted shRNA

2016-09-01 | GSE72788 | GEO

NLRC5 is a transcriptional regulator of MHC class I genes

Project description:NLRC5 is a member of the NLR family of proteins. The observation that NLRC5 is found in the nucleus prompted us to perform a gene array to identify putative target genes of NLRC5. We generated Jurkat T cell lines that stably express either the wild-type or mutant forms of NLRC5 harboring mutations in the nucleotide binding domain (NBD): Walker A (deficient in nucleotide binding), Walker B (deficient in nucleotide hydrolysis), and the combined Walker AB, carrying both mutations. Site-directed mutagenesis was used to create the NLRC5 NBD mutants: Walker A (K234A), Walker B (E311Q), and Walker AB (both mutations). We compared the expression profiles of Jurkat T cells expressing GFP, or the GFP-tagged wild-type, Walker A, Walker B, or Walker AB forms of NLRC5. GFP and the Walker A and Walker AB forms of NLRC5 were considered functionally inactive, while the wild-type and Walker B forms of NLRC5 were considered functionally active. These groups were used as biological replicates to assess the effect of NLRC5 activity on gene expression.

2010-07-30 | E-GEOD-22064 | biostudies-arrayexpress

Integrin α3b1-dependent gene expression in MDA-MB-231 breast cancer cells

Project description:Gene-level and exon-level analysis of gene expression in MDA-MB-231 cells that stably express control shRNA or integrin α3-targeting shRNA. The laminin-332-binding integrin α3b1 is expressed highly in many breast cancer cells, but its roles in regulating gene expression programs that promote breast cancer progression have not been explored. In order to identify genes that are regulated by α3b1 in human breast cancer cells, we used a lentiviral approach to express an α3-targeting shRNA to suppress integrin α3b1 in MDA-MB-231 cells, and we identified subsequent changes in gene expression and alternate exon useage. We used the Affymetrix Human Exon 1.0 ST platform to analyze biological replicates of MDA-MB-231 cells that were transduced with lentivirus to stably express either control shRNA or α3-targeting shRNA. Array data was processed by Affymetrix Exon Array Computational Tool.

2014-05-02 | E-GEOD-43097 | biostudies-arrayexpress

Expression data from human colon cancer cell line HCT116 with NFX1-91 knockdown and control cells

Project description:NFX1-91, a novel E6 cellular downstream target, functions as a transcriptional regulator and is involved in repressing hTERT expression. Other functions and downstream targets regulated by NFX1-91 were not well understood. We used microarrays to determine gene expression deregulated when NFX1-91 was knocked down. HCT116 cells was infected with lentivirus carrying NFX1-91 shRNA or control β-Galactosidase shRNA to stably knock down target gene expression. Total RNAs were extracted and hybridized on Affymetrix microarrays.

2010-08-18 | E-GEOD-23674 | biostudies-arrayexpress

PKCÎ´ regulates the transformed growth of K-ras dependent lung cancer cells through regulation of integrin Î±VÎ²3 expression

Project description:To explore how PKCÎ´ regulates tumorigenesis, we performed mRNA expression analysis of four KRAS mutant NSCLC cell lines that stably express scrambled shRNA or PKCÎ´ targeted shRNA Four human lung cancer cell lines (A549, H441, H460 and H2009) with scrambled and PKC-delta knock down (shRNA), in triplicate.

2016-09-01 | E-GEOD-72788 | biostudies-arrayexpress

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