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Next generation sequencing of advanced non-castrate prostate cancer treated with docetaxel chemotherapy

ABSTRACT: Early chemotherapy for advanced/metastatic non-castration resistant prostate cancer (PCa) may improve overall patient survival. We studied the safety, tolerability and early efficacy of up-front docetaxel chemotherapy and androgen deprivation therapy (ADT) versus ADT alone for patients with newly-diagnosed advanced/metastatic PCa. As proof of concept, we undertook in vivo gene expression profiling by next generation RNA sequencing (RNA-Seq).

ORGANISM(S): Homo sapiens

PROVIDER: GSE51005 | GEO | 2014/09/18

SECONDARY ACCESSION(S): PRJNA219507

REPOSITORIES: GEO

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Next generation sequencing of advanced non-castrate prostate cancer treated with docetaxel chemotherapy

Project description:Early chemotherapy for advanced/metastatic non-castration resistant prostate cancer (PCa) may improve overall patient survival. We studied the safety, tolerability and early efficacy of up-front docetaxel chemotherapy and androgen deprivation therapy (ADT) versus ADT alone for patients with newly-diagnosed advanced/metastatic PCa. As proof of concept, we undertook in vivo gene expression profiling by next generation RNA sequencing (RNA-Seq). Tumour biposies from 6 patients were taken before and after treatment with combined ADT and docetaxcel for 6 weeks

2014-09-18 | E-GEOD-51005 | biostudies-arrayexpress

Immune signature driven by ADT-induced immune microenvironment remodeling in prostate cancer is correlated with recurrence-free survival and immune infiltration

Project description:Androgen deprivation therapy (ADT) is a cornerstone treatment for locally advanced or metastatic prostate cancer (PCa). However, its potential effects on the tumor immune microenvironment (TIM) of PCa patients and the underlying mechanism remain largely unclear.We used RNA sequencing to reveal the effects of ADT on the PCa TIM at the transcriptome level. RNA sequencing was performed on 6 paired pre-ADT biopsy and post-ADT PCa lesions and 5 paired paracancerous benign tissues from patients receiving neoadjuvant ADT with locally advanced PCa.

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Expression data from docetaxel-resistant prostate cancer cell lines

Project description:Docetaxel-based chemotherapy is the standard first-line therapy in metastatic castration-resistant prostate cancer. However, most patients eventually develop resistance to this treatment. The aim of the study was to identify key molecular genes and networks associated with docetaxel resistance in 2 models of docetaxel-resistant castration-resistant prostate cancer cell lines. DU-145 and PC-3 cells were converted to docetaxel-resistant cells, DU-145R and PC-3R, respectively. Whole-genome arrays were used to compare global gene expression between these 4 cell lines. Arrays were performed by triplicate for each cell line.

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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.

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

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The genes associated with the response to S-1,cisplatin and docetaxel combination chemotherapy (DCS therapy) for metastatic gastric cancer:

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