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Expression analysis of platinum sensitive and resistant epithelial ovarian cancer patient samples.

ABSTRACT: Expression analysis of platinum sensitive and resistant epithelial ovarian cancer patient samples.

PROVIDER: PRJNA470544 | ENA |

REPOSITORIES: ENA

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Expression analysis of platinum sensitive and resistant epithelial ovarian cancer patient samples.

Project description:The objective of this work was to identify potential cancer biomarkers by analyzing microarray and protein expression data from platinum-sensitive and -resistant ovarian cancer patient samples. The gene expression profiles of the samples were ompared based on platinum sensitivity status and PARP levels.

2018-05-09 | GSE114206 | GEO

Molecular profiling of ovarian carcinoma platinum-sensitive and -resistant cell lines (microRNAs)

Project description:Resistance to platinum compounds represents a major obstacle to the cure of ovarian carcinoma. The molecular profiling of drug-sensitive and drug-resistant cells may be helpful to clarify if altered expression of miRNAs can contribute to the drug-resistant phenotype. The expression pattern of miRNAs of three ovarian carcinoma cell lines was examined. The analysis revealed the modulation of several miRNAs in the two platinum-resistant cell lines as compared to parental platinum-sensitive cells. The integration of the information obtained through miRNA expression analysis may be useful to clarify the specific molecular alterations of factors and pathway favouring survival of tumor cells.

2018-06-26 | GSE58469 | GEO

Molecular profiling of ovarian carcinoma platinum-sensitive and -resistant cell lines (gene expression)

Project description:Resistance to platinum compounds represents a major obstacle to the cure of ovarian carcinoma. The molecular profiling of drug-sensitive and drug-resistant cells may be helpful to clarify if altered gene expression can contribute to the drug-resistant phenotype. The expression pattern of three ovarian carcinoma cell lines was examined. The analysis revealed the modulation of several genes in the two platinum-resistant cell lines as compared to parental platinum-sensitive cells. The integration of the information obtained through gene expression analysis may be useful to clarify the specific molecular alterations of factors and pathway favouring survival of tumor cells.

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RNA-Seq of treatment response of platinum sensitive and platinum resistant ovarian cancer cells

Project description:Resistance to platinum-based chemotherapy is a clinical challenge in the treatment of ovarian cancer (OC) and limits survival. Therefore, innovative drugs against platinum-resistance are urgently needed. Our therapeutic concept is based on the conjugation of two chemotherapeutic compounds to a monotherapeutic pro-drug, which is taken up by cancer cells and cleaved into active cytostatic metabolites. Here, we explore the activity of the duplex-prodrug 5-FdU-ECyd, covalently linking 2'-deoxy-5-fluorouridine (5-FdU) and 3'-C-ethynylcytidine (ECyd), on platinum-resistant OC cells. RNA-Sequencing was used for characterization of 5-FdU-ECyd treated platinum-sensitive A2780 and isogenic platinum-resistant A2780cis.

2018-02-22 | GSE98230 | GEO

Molecular analysis of platinum-resistant and -sensitive ovarian cacner based on RNA-Seq analysis

Project description:Ovarian cancer (OC) is the leading cause of death from gynecologic malignancies. The most difficult issue in the treatment of ovarian cancer is the eventual development of platinum resistance. Accumulating studies have shown that circRNAs are abnormally aberrantly expressed in tumors and play critical roles in tumor growth, metastasis, stemness and resistance to therapy.To identify circRNAs that play crucial roles in maintaining the platinum resistance of ovarian cacner, we performed RNA-seq analysis in platinum-resistant（n=9） and -sensitive（n=10） ovarian cacner tissues. Candidate genes were identified by bioinformatic analysis and literature review.

2024-05-30 | GSE214302 | GEO

Transcriptional profiling of platinum sensitive and platinum resistant high grade serous ovarian cancer samples

Project description:This study aims at correlating changes in the transcriptional state in high grade serous epithelial ovarian cancer (HGS-EOC) to the response to therapy, in particular the insurgence of resistance to platinum-based treatment.

2020-02-11 | E-MTAB-7083 | biostudies-arrayexpress

microRNA profiling of platinum sensitive and platinum resistant high grade serous ovarian cancer samples

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Genome-wide mapping of H3K27ac and H3K9ac in platinum sensitive and resistant epithelial ovarian cancer cell lines

Project description:ChIP-seq for H3K27ac or H3K9ac was performed in different platinum sensitive and resistant epithelial ovarian cancer cell lines and in sensitive A2780 cells with shRNA induced knockdown of MBD3.

2021-07-26 | GSE172510 | GEO

Molecular profiling of ovarian carcinoma platinum-sensitive and -resistant cell lines

Project description:Molecular profiling of ovarian carcinoma platinum-sensitive and -resistant cell lines

| PRJNA252702 | ENA

MicroRNA profiling of cisplatin-resistant and cisplatin-sensitive ovarian cancer cells

Project description:Platinum resistance is a major drawback in the treatment of ovarian cancer. Evidence suggests that microRNAs are key players in the initiation, progression, and drug resistance of cancer cells. However, the precise miRNAs dysregulated and contributing to platinum resistance in ovarian cancer cells have not been fully elucidated. Here, we conducted a miRNA expression profiling of cisplatin-sensitive (A2780) and cisplatin-resistant (CP20 and CIS) ovarian cancer cells to identify potential miRNAs involved in platinum resistance.

2020-11-20 | GSE161784 | GEO

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