Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA124451 | ENA |
REPOSITORIES: ENA
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Project description:Gene expression analysis of 5-aza-dC treated pancreatic cancer associated fibroblasts To identify genes silenced by methylation in pancreatic CAFs, we performed gene expression profiling on 5-aza-dC treated pancreatic cancer associated fibroblast cultures using Affymetrix Exon arrays.
2010-11-20 | GSE20911 | GEO
Project description:Gene expression analysis of 5-aza-dC treated pancreatic cancer associated fibroblasts To identify genes silenced by methylation in pancreatic CAFs, we performed gene expression profiling on 5-aza-dC treated pancreatic cancer associated fibroblast cultures using Affymetrix Exon arrays. We analyzed 5 untreated and 5-aza-dC-treated pancreatic cancer associated fibroblast cultures using the Affymetrix Human Exon 1.0 ST platform. Gene expression levels were compared using Partek (version 6.3beta).
2010-11-20 | E-GEOD-20911 | biostudies-arrayexpress
Project description:Lactate-treated cancer-associated fibroblasts of pancreatic ductal adenocarcinoma
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Project description:Gene expression analysis of pancreatic cancer associated fibroblasts
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Project description:DNA methyltransferase inhibitor 5-aza-dC-treated prostate cancer cell lines
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Project description:Expression data from pancreatic cancer cell lines and non-neoplastic pancreatic cell line HPDE To identify genes epigenetically silenced and regulated in pancreatic cancer We compared the gene expression profiles of 6 pancreatic cancer cell lines (panc215, A32-1, A38-5, panc2.5, panc2.8, and panc3.014), to the non-neoplastic pancreas cell line, HPDE. We also compared the baseline gene expression of the pancreatic cancer cell lines to expression patterns after treatment with 5-aza-dC alone, TSA alone, and to a combination of 5-aza-dC/TSA.
2010-04-14 | E-GEOD-21163 | biostudies-arrayexpress
Project description:Genes activated by 5-aza-dC (DAC) in pancreatic (KPC-Brca1) cancer-associated fibroblasts (CAFs)
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Project description:RNA seq of pancreatic cancer-associated fibroblasts
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Project description:Analysis of normal lung cells treated with 5-aza-dC to induce DNA demethylation
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Project description:Pancreatic ductal adenocarcinoma (PDAC) is a lethal malignancy that resists current treatments. To test epigenetic therapy against this cancer we used the DNA demethylating drug 5-aza-2’-deoxycytidine (DAC) in a KrasLSL-G12D; p53LSL-R270H/+; Pdx1-cre; Brca1flex2/flex2 (KPC-Brca1) mouse model of aggressive stroma-rich PDAC. In untreated tumors, we found globally decreased 5-methyl-cytosine (5mC) in malignant epithelial cells and in cancer-associated myofibroblasts (CAFs), and increased amounts of 5-hydroxymethyl-cytosine (5HmC) in CAFs, in progression from pancreatic intraepithelial neoplasia (PanIN) to PDAC. DAC further reduced DNA methylation and slowed PDAC progression, markedly extending survival in an early treatment protocol and significantly though transiently inhibiting tumor growth when initiated later, without adverse side effects. Escaping tumors contained areas of sarcomatoid transformation with disappearance of CAFs. Mixing-allografting experiments and proliferation indices showed that DAC efficacy was due to inhibition of both the malignant epithelial cells and the stromal CAFs. Expression profiling and immunohistochemistry highlighted DAC-induction of STAT1 in the tumors, and DAC plus gamma-interferon produced an additive anti-proliferative effect on PDAC cells. DAC induced strong expression of the testis antigen DAZL in CAFs. These data show that DAC is effective against PDAC in vivo and provide a rationale for future studies combining hypomethylating agents with cytokines and immunotherapy. Treatment of a short-term explant culture of cancer-associated fibroblasts (CAFs) from a KPC-Brca1 mouse pancreatic carcinoma, with 2 micromolar 5-aza-dC (decitabine; DAC) for 48 hours. The experiment includes 3 replicate plates untreated and 3 replicates treated.
2013-01-01 | E-GEOD-42364 | biostudies-arrayexpress