Homo sapiens
Ontology highlight
ABSTRACT:
OTHER RELATED OMICS DATASETS IN: GSE27619phs000597.v1.p1
PROVIDER: PRJNA141773 | ENA |
REPOSITORIES: ENA
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Project description:Agilent-013282 array CGH on NCI-60 cancer cell lines
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Project description:To identify which lncRNAs are differentially expressed in prostate cancer, the total RNA from prostate cancer cell lines (PC3, LNCaP), normal epithelial prostatic cells and the pool of 10 prostate tumor tissues and 10 adjacent normal prostate tissues were screened using SurePrint G3 human lncRNA microarrays (Agilent). The SurePrint G3 Human Gene array contains 16,472 lincRNAs and 34,127 mRNA genes.
2014-10-17 | GSE55909 | GEO
Project description:In order to identify methylation changes in prostate cancer, we performed a genome-wide analysis of DNA methylation using Agilent human CpG island arrays. We then chose specific genes to validate methylation both in the same cases as were hybridized to the array (using quantitative EpiTYPER analysis) and in an independent series of prostate cancer samples (using MethyLight quantitative methylation specific PCR). We specifically chose low grade (Gleason score 6 cases) and high grade (Gleason score 8 cases) to discover methylated genes/loci that may be involved in the progression to a higher grade of prostate cancer.
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Project description:Agilent expression analysis of prostate cancer tissue samples
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Project description:Beginning with precursor lesions, aberrant DNA methylation marks the entire spectrum of prostate cancer progression. We mapped the global DNA methylation patterns in selected prostate tissues and cell lines using Methylplex-Next Generation Sequencing (M-NGS). Hidden Markov Model based next generation sequence analysis identified ~68,000 methylated regions per sample. While global CpG Island (CGI) methylation was not differential between benign adjacent and cancer samples, overall promoter CGI methylation increased from ~12.6% in benign samples to 19.3% and 21.8% in localized and metastatic cancer tissues, respectively. We found distinct patterns of promoter methylation around transcription start sites, where methylation occurred not only on the CGIs, but also on flanking regions and CGI sparse promoters. Among the 6,691 methylated promoters in prostate tissues, 2481 differentially methylated regions (DMRs) are cancer specific, including numerous novel DMRs. A novel cancer specific DMR in WFDC2 promoter showed heavy methylation in cancer (17/22 tissues, 6/6 cell lines), but not in the benign tissues (0/10) and normal PrEC cells. Integration of LNCaP DNA methylation and H3K4me3 data suggested an epigenetic mechanism for alternate transcription start site utilization and these modifications segregated into distinct regions when present on the same promoter. Finally, we observed differences in repeat element methylation, particularly LINE-1, between ERG gene fusion positive and negative cancers. This comprehensive methylome map will further our understanding of epigenetic regulation in prostate cancer progression. In this data, we are providing Methylplex-PrEC and LNCaP libraries hybridized on Agilent CpG Array, which we chose to perform correlation analysis with deep sequencing result. The LNCaP and PrEC 400bp-5 deep sequencing results were compared with this data and obtained high correlation.
2011-05-03 | GSE27617 | GEO
Project description:DNA methylation of prostatic normal cells (PrEC), normal mammary epithelial cells (HMEC), prostate cancer cell line (MDA-PCa-2b), and breast cancer cell lines (BT474 and MDA-MB-231) was analyzed by MeDIP-on-chip analysis. DNA obtained from each cells was immunoprecipitated by anti 5-methylcytidine antibody. IP DNA and input DNA were labeled with Cy5 and Cy3, respectively, and then analyzed by using human CpG island microarray provided by Agilent Technologies.
2011-06-06 | E-GEOD-28284 | biostudies-arrayexpress
Project description:AGO-PAR-CLIP analysis of prostate cancer cell lines
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Project description:Beginning with precursor lesions, aberrant DNA methylation marks the entire spectrum of prostate cancer progression. We mapped the global DNA methylation patterns in selected prostate tissues and cell lines using Methylplex-Next Generation Sequencing (M-NGS). Hidden Markov Model based next generation sequence analysis identified ~68,000 methylated regions per sample. While global CpG Island (CGI) methylation was not differential between benign adjacent and cancer samples, overall promoter CGI methylation increased from ~12.6% in benign samples to 19.3% and 21.8% in localized and metastatic cancer tissues, respectively. We found distinct patterns of promoter methylation around transcription start sites, where methylation occurred not only on the CGIs, but also on flanking regions and CGI sparse promoters. Among the 6,691 methylated promoters in prostate tissues, 2481 differentially methylated regions (DMRs) are cancer specific, including numerous novel DMRs. A novel cancer specific DMR in WFDC2 promoter showed heavy methylation in cancer (17/22 tissues, 6/6 cell lines), but not in the benign tissues (0/10) and normal PrEC cells. Integration of LNCaP DNA methylation and H3K4me3 data suggested an epigenetic mechanism for alternate transcription start site utilization and these modifications segregated into distinct regions when present on the same promoter. Finally, we observed differences in repeat element methylation, particularly LINE-1, between ERG gene fusion positive and negative cancers. This comprehensive methylome map will further our understanding of epigenetic regulation in prostate cancer progression. In this submission, Agilent expression array data used for Gene Set Enrichment Analysis (GSEA) for enrichment analysis for gene repression is provided.
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Project description:For the purpose of characterization of the 9p24 amplicon, we carried out high-resolution array CGH (Agilent 244K chip) analysis of four cancer cell lines, including three breast cancer cell lines, Colo824, HCC1954 and HCC70, and one esophageal cancer cell line, KYSE150.
2011-04-29 | GSE28989 | GEO
Project description:To identify which lncRNAs are differentially expressed in prostate cancer, the total RNA from prostate cancer cell lines (PC3, LNCaP), normal epithelial prostatic cells and the pool of 10 prostate tumor tissues and 10 adjacent normal prostate tissues were screened using SurePrint G3 human lncRNA microarrays (Agilent). The SurePrint G3 Human Gene array contains 16,472 lincRNAs and 34,127 mRNA genes. Gene expression in prostate cell lines and pooled tissue samples was measured. Three independent experiments (biological replicates) for cell lines (epithelial cells, PC3 and LNCap) and two independent experiments (technical replicates) for pooled prostate tissues (tumor and adjacent normal) samples were performed.
2014-10-17 | E-GEOD-55909 | biostudies-arrayexpress