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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Breast cancer cell lines treated with eribulin and paclitaxel

ABSTRACT: Eribulin mesylate is a synthetic macrocyclic ketone analog of the marine sponge natural product halichondrin B. Eribulin is a mechanistically unique inhibitor of microtubule dynamics, leading to inhibition of microtubule growth in the absence of effects on microtubule shortening at microtubule plus ends, and formation of nonproductive tubulin aggregates. In this study, we investigated whether selective signal pathways were associated with eribulin activity compared to paclitaxel, which stabilizes microtubules, based on gene expression profiling of cell line panels of breast, endometrial, and ovarian cancer in vitro. 27 breast cancer cell lines treated with eribulin and paclitaxel for 24 hours at concentration 10xIC50. Three technical replicates were included. for eribulin , paclitaxel and untreated cell lines.

ORGANISM(S): Homo sapiens

SUBMITTER: Zoltan Dezso

PROVIDER: E-GEOD-50811 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Gene expression profiling reveals epithelial mesenchymal transition (EMT) genes can selectively differentiate eribulin sensitive breast cancer cells.

Dezső Zoltán Z Oestreicher Judith J Weaver Amy A Santiago Stephanie S Agoulnik Sergei S Chow Jesse J Oda Yoshiya Y Funahashi Yasuhiro Y

PloS one 20140829 8

<h4>Objectives</h4>Eribulin mesylate is a synthetic macrocyclic ketone analog of the marine sponge natural product halichondrin B. Eribulin is a mechanistically unique inhibitor of microtubule dynamics. In this study, we investigated whether selective signal pathways were associated with eribulin activity compared to paclitaxel, which stabilizes microtubules, based on gene expression profiling of cell line panels of breast, endometrial, and ovarian cancer in vitro.<h4>Results</h4>We determined t ...[more]

PMID: 25171249

Similar Datasets

Endometrial cancer cell lines treated with eribulin and paclitaxel

Project description:Eribulin mesylate is a synthetic macrocyclic ketone analog of the marine sponge natural product halichondrin B. Eribulin is a mechanistically unique inhibitor of microtubule dynamics, leading to inhibition of microtubule growth in the absence of effects on microtubule shortening at microtubule plus ends, and formation of nonproductive tubulin aggregates. In this study, we investigated whether selective signal pathways were associated with eribulin activity compared to paclitaxel, which stabilizes microtubules, based on gene expression profiling of cell line panels of breast, endometrial, and ovarian cancer in vitro. 19 endometrial cancer cell lines treated with eribulin and paclitaxel for 24 hours at concentration 10xIC50. Three technical replicates were included. for eribulin , paclitaxel and untreated cell lines.

2014-10-02 | E-GEOD-50830 | biostudies-arrayexpress

Ovarian cancer cell lines treated with eribulin and paclitaxel

Project description:Eribulin mesylate is a synthetic macrocyclic ketone analog of the marine sponge natural product halichondrin B. Eribulin is a mechanistically unique inhibitor of microtubule dynamics, leading to inhibition of microtubule growth in the absence of effects on microtubule shortening at microtubule plus ends, and formation of nonproductive tubulin aggregates. In this study, we investigated whether selective signal pathways were associated with eribulin activity compared to paclitaxel, which stabilizes microtubules, based on gene expression profiling of cell line panels of breast, endometrial, and ovarian cancer in vitro. 21 ovarian cancer cell lines treated with eribulin and paclitaxel for 24 hours at concentration 10xIC50. Three technical replicates were included for eribulin , paclitaxel and untreated cell lines.

2014-10-02 | E-GEOD-50831 | biostudies-arrayexpress

Ovarian cancer cell lines treated with eribulin and paclitaxel

2014-10-02 | GSE50831 | GEO

Endometrial cancer cell lines treated with eribulin and paclitaxel

2014-10-02 | GSE50830 | GEO

Breast cancer cell lines treated with eribulin and paclitaxel

2014-10-02 | GSE50811 | GEO

Gene Expression Profiling Reveals Epithelial Mesenchymal Transition (EMT) Genes Can Selectively Differentiate Eribulin Sensitive Breast Cancer Cells

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2014-10-02 | E-GEOD-50832 | biostudies-arrayexpress

Paclitaxel resistance in ovarian cancer increases oncolytic adenovirus efficacy via upregulated CAR expression and dysfunctional cell cycle control

Project description:The microtubule-stabilising drug paclitaxel has activity in relapsed ovarian cancer. However, resistance frequently develops. Oncolytic adenoviruses are a novel cancer therapy, and replicate selectively within and lyse malignant cells, leading to productive infection of neighbouring cells. We found increased efficacy of adenoviruses of multiple subtypes in paclitaxel-resistant ovarian cancer cells. There was increased expression of a key adenovirus receptor, CAR (coxsackie adenovirus receptor), due to increased transcription that resulted from histone modification. Moreover, CAR transcription increased in intraperitoneal xenografts with acquired paclitaxel resistance and in tumours from patients with paclitaxel-resistant ovarian cancer. Finally, we identified dysregulated cell cycle control as a second mechanism of increased adenovirus efficacy in paclitaxel-resistant ovarian cancer and that inhibition of CDK4/6 using PD-0332991 was able both to reverse paclitaxel resistance and reduce adenovirus efficacy. Thus, paclitaxel resistance increases oncolytic adenovirus efficacy via at least two separate mechanisms. Parental SKOV3 and paclitaxel-resistant SKOV3-TR cells were analysed in duplicate

2015-12-10 | E-GEOD-54772 | biostudies-arrayexpress

Paclitaxel resistant MDA-MB-231 Cells and resensitization with bexarotene treatment

Project description:Acquired drug resistance represents a major challenge in chemo-therapy treatment for various types of cancers. We have found that the retinoid X receptorâselective agonist bexarotene (LGD1069, Targretin) was efficacious in treating chemo-resistant cancer cells. The goal of this microarray study was to understand the mechanism of bexaroteneâs role in overcoming acquired drug resistance using human breast cancer cells MDA-MB-231 as a model system and paclitaxel as model compound. After MDA-MB-231 cells were repeatedly treated with paclitaxel for 8 cycles with each cycle including a 3-day treatment with 30 nM paclitaxel and followed by a 7-day exposure to control medium, MDA cells resistant to paclitaxel were developed and their growth was no longer inhibited by paclitaxel treatment. Those MDA cells with acquired drug resistance, when treated with paclitaxel and bexarotene in combination, could regain their sensitivity and their growth were again inhibited. Therefore, RNA samples from parental MDA-MB-231 cells, paclitaxel-resistant MDA cells treated with vehicle, paclitaxel alone or in combination with bexarotene, were used for perform global gene expression profiling with Affymetrix HG-U133A gene chips. Keywords: Drug Treatment MDA-MB-231 cells were exposed to regimens on a 10-day cycle: a 3-day treatment with 30 nM paclitaxel and followed by a 7-day exposure to control medium. Paclitaxel resistant MDA-MB-231 cells (MDA-PR) were established within 8 cycles of such treatment (80 days). These MDA-PR cells were then treated with vehicle control, paclitaxel along, or the combination of 30 nM paclitaxel ( 3 days on and 7 days off) and 1 ÂµM Targretin (10 days on) in a new 10-day cycle for 3 months. Thus, there are four treatment groups, parent MDA cells, MDA-PR, MDA-PR treated with paclitaxel, MDA-PR treated with paclitaxel and bexarotene, and each group had four biological replicates.

2011-07-18 | E-GEOD-12791 | biostudies-arrayexpress

A549 Sagopilone

Project description:Anticancer drug sagopilone in lung cancer line A549. We performed gene expression analysis of lung cancer cell line A549 treated with sagopilone and paclitaxel. The aim was to analyse gene expression differences between the two drugs in two different concentrations. A549 cells were treated with medium containing either 2.5 nM sagopilone, 40 nM sagopilone, 4 nM paclitaxel or 40 nM paclitaxel, respectively, vehicle (ethanol 0.1%), or were left untreated for 18 hours. The two different concentrations were chosen according the phenotypes they have caused in A549 cells. Treatment with 2.5 nM sagopilone, 4 nM paclitaxel induced an aneuploid cell population, whereas treatment with 40 nM sagopilone and 40 nM paclitaxel induced mitotic arrest.

2012-01-01 | E-MTAB-377 | biostudies-arrayexpress

Gene expression data of sensitive, Docetaxel resistant and Paclitaxel resistant MDA-MB-231 Cells

Project description:The taxanes, namely Paclitaxel and Docetaxel, are important and widely used cancer chemotherapy drugs in the treatment of invasive and metastatic human breast cancer. Although treatment with the taxanes is beneficial to many patients, drug-responsive tumors in patients with metastatic breast cancer often display resistance to these drugs, either initially or over time following the continued administration of chemotherapy drugs. To investigate the patterns of cross-resistance with the taxane drugs and to identify potential mechanisms of resistance, we generated a series of MDA-MB-231 taxane resistant cell lines. We then used microarrays to determine gene expression differences between sensitive, Docetaxel and Paclitaxel resistant MDA-MB-231 cells. RNA isolated from three independent passages of sensitive, Docetaxel and Paclitaxel resistant cell lines and purified using the Qiagen RNeasy Mini Kit. Total RNA was processed and hybridized to Affymetrix Genechip HU133A arrays.

2011-04-22 | E-GEOD-28784 | biostudies-arrayexpress

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