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Role of macrophages in invadopodia formation

ABSTRACT: The first experiment involved the DU-145 tumor cell samples cultured with or without macrophages. This experiment was planned with an aim to evaluate the gene expression changes that might occur in DU-145 cells when grown in proximity to macrophages as compared to DU145 cells being grown alone. Similarly, the second experiment, involved the macrophage samples cultured with or without the DU-145 cells. This experiment was planned with an aim to evaluate the gene expression changes that might occur in Macrophages when grown in proximity to DU-145 cells .

ORGANISM(S): Homo sapiens

PROVIDER: GSE36047 | GEO | 2012/03/08

SECONDARY ACCESSION(S): PRJNA151777

REPOSITORIES: GEO

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Role of macrophages in invadopodia formation

Project description:The first experiment involved the DU-145 tumor cell samples cultured with or without macrophages. This experiment was planned with an aim to evaluate the gene expression changes that might occur in DU-145 cells when grown in proximity to macrophages as compared to DU145 cells being grown alone. Similarly, the second experiment, involved the macrophage samples cultured with or without the DU-145 cells. This experiment was planned with an aim to evaluate the gene expression changes that might occur in Macrophages when grown in proximity to DU-145 cells . Agilent one-color experiment, Organism: Human, Agilent-Custom Whole Genome Human 8x60k designed by Genotypic Technology Pvt. Ltd. (AMADID: 027114), Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442)

2012-03-08 | E-GEOD-36047 | biostudies-arrayexpress

RNA expression analysis after DU-145 cell treatment with demethylating agent 5-Aza-2’-deoxycitidine (5-Aza)

Project description:Transcriptional profiling of DU-145 cells treated with 5-Aza for 72 h. Relative abundance to untreated control cells was used to estimate the effect of DNA demethylation on the expression of the RNAs. Two-condition experiment, 5-Aza-treated vs. untreated DU-145 cells. Biological replicates: 2. Technical replicates: 2.

2015-06-30 | E-GEOD-62955 | biostudies-arrayexpress

Comparison of microRNA expression between prostate adenocarcinoma cells, DU-145 and immortalized normal cells, PWR-1E

Project description:The primary goal of this experiment was to determine the endogenous miRNA that are differentially expressed between prostate adenocarcinoma cells, DU-145 and prostate immortalized epithelial cells, PWR-1E. Subsequently, we performed other analysis with BLAST and in silico algorithm searches to determine the appropriate miRNA that could regulate a novel gene MIEN1.

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Treatment of prostate cancer cell lines DU-145 and LNCaP with zebularine

Project description:Cultures of DU-145 cells and of LNCaP cells were treated for 216 hours with 100µM zebularine (SIGMA) in three independent biological experiments. Zebularine acts as a DNA methyltransferase (DNMT) inhibitor thereby upregulating genes that are inactivated by e.g. promotor hypermethylation. The experiment aimed to search for upregulated transcripts to provide new targets for biomarker development and therapeutic use.

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Hypoxia-independent gene expression signature associated with radiosensitisation of prostate cancer cell lines by histone deacetylase inhibition

Project description:We aimed to investigate gene expression associated with radiosensitisation of normoxic and hypoxic prostate cancer cells by the class I/II histone deacetylase inhibitor (HDACi) vorinostat. A pronounced deregulation of DNA repair and chromatin organization genes by vorinostat in DU 145 than in PC-3 or 22Rv1 was found and was a likly mechanism underlying radiosensitisation of DU 145. Expression of these genes was generally not affected by hypoxia and was altered by vorinostat in DU 145 towards the baseline levels of PC-3 and 22Rv1. A 56-gene expression signature associated with radiosensitisation under normoxia and hypoxia, including 8 genes with baseline expression characteristic of the radiosensitising effect was generated. These findings propose a hypoxia independent expression signature to predict the radiosensitising effect of vorinostat.

2016-12-08 | GSE80657 | GEO

IFN-Gamma keratinocytes

Project description:An experiment comparing control versus IFN-g treated skin cells (one design factor on two levels). To evaluate the biological and the experimental variability, the following experimental design was planned as shown in Figure 1: "Control" and "IFN-g stimulated" keratinocytes were cultured in triplicate using three individual petri Æ10 culture dishes and RNA was independently extracted from each cultured replicate. For each RNA sample, cRNA synthesis was performed in triplicate and each cRNA pool was hybridized to an Affymetrix U133 Gene Chip. Keywords: ordered

2004-09-01 | GSE1132 | GEO

Treatment of prostate cancer cell lines DU-145 and LNCaP with zebularine

Project description:Cultures of DU-145 cells and of LNCaP cells were treated for 216 hours with 100ÂµM zebularine (SIGMA) in three independent biological experiments. Zebularine acts as a DNA methyltransferase (DNMT) inhibitor thereby upregulating genes that are inactivated by e.g. promotor hypermethylation. The experiment aimed to search for upregulated transcripts to provide new targets for biomarker development and therapeutic use. Total RNA of untreated and treated (100ÂµM zebularine) DU-145 cells (experiment HK_21_DU_145-HK_26_DU_145), and of untreated and treated (100ÂµM zebularine) LNCaP cells (experiment HK_27_LNCaP-HK_32_LNCaP), were subjected to Affymetrix array analysis to detail the overall expression changes after treatment with a DNMT inhibitor. Treated cells showed no obvious signs of zebularine-induced cytotoxicity as revealed by XTT assays.

2013-10-24 | E-GEOD-51629 | biostudies-arrayexpress

Comparing gene-expression profiles between bone-metastatic vs. non bone-metastatic human prostate cancer cells

Project description:Disseminated prostate cancer cells colonize the skeleton to progress into macroscopic lesions only if they successfully adapt to the bone microenvironment. We previously reported that the ability of prostate cancer cells to generate skeletal tumors in animal models correlated with the expression of the alpha-receptor for Platelet-Derived Growth Factor (PDGFRa). In this study we aimed to identify PDGFRa-regulated genes responsible for the acquisition of a bone-metastatic prostate phenotype. We performed genome-wide expression comparative analyses of human prostate cancer cell lines that differ for PDGFRa expression and propensity to establish tumors in the skeleton of animal models. We investigated the genes that were differentially regulated in the highly bone-metastatic PC3-ML cells and their low-metastatic counterpart PC3-N cells, and the genes differentially regulated between PC3-N and PC3-N with overexpression of PDGFRa (PC3NRa). We have previously shown that DU-145 cells lack PDGFRa and fail to survive longer than three days as disseminated tumor cells after homing to the mouse bone marrow. Interestingly, and in contrast to PC3-N cells, the exogenous expression of PDGFRa did not promote metastatic bone-tropism of DU-145 cells in our model. Thus, we examined the genes that were differentially regulated between DU-145 and DU-145(Ra) and excluded them from our candidate genes. Finally, to refine our findings and compensate for PC3 and DU-145 genetic disparity, we performed a comparative analysis of the genes differentially regulated between two bone metastatic single-cell progenies that were derived from PC3-ML cells.

2013-03-30 | GSE43332 | GEO

Homo sapiens

Project description:DU 145 EMETINE TIME COURSE

| PRJNA90763 | ENA

Prostate Cancer Cell Line Transcriptomes

Project description:Gene expression of 5 prostate cancer cell lines (LNCaP, VCaP, DU-145, PC-3, DuCaP) in standard culture conditions, harvested during exponential growth phase.

2022-09-07 | GSE211721 | GEO

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