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KIF15 confers resistance to enzalutamide in castration resistant prostate cancer [array]

ABSTRACT: KIF15 confers resistance to enzalutamide in castration resistant prostate cancer [array]

PROVIDER: PRJNA612624 | ENA |

REPOSITORIES: ENA

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KIF15 confers resistance to enzalutamide in castration resistant prostate cancer [RNA-Seq]

Project description:KIF15 confers resistance to enzalutamide in castration resistant prostate cancer [RNA-Seq]

| PRJNA634007 | ENA

KIF15 confers resistance to enzalutamide in castration resistant prostate cancer [array]

Project description:The aim of this research was to confirm the regulatory effect of KIF15 on gene expression in castration resistant prostate cancer.

2021-05-20 | GSE146984 | GEO

KIF15 confers resistance to enzalutamide in castration resistant prostate cancer [RNA-Seq]

Project description:The aim of this research was to confirm the regulatory effect of KIF15 on gene expression in castration resistant prostate cancer.

2021-05-20 | GSE150895 | GEO

Acquired Resistance to the Second-Generation Androgen Receptor Antagonist Enzalutamide in Castration-Resistant Prostate Cancer

Project description:Illumina gene array analyses of prostate cancer cell lines that had acquired resistance to Enzalutamide (MDV3100). mRNA analyses of four cell lines (CWR-R1, LAPC-4, LNCaP, and VCAP) cells that were either untreated, treated for 48hrs with Enz (short-term), or continuously grown in Enzalutamide for >6 months.

2016-02-24 | E-GEOD-78201 | biostudies-arrayexpress

Acquired Resistance to the Second-Generation Androgen Receptor Antagonist Enzalutamide in Castration-Resistant Prostate Cancer

Project description:Illumina gene array analyses of prostate cancer cell lines that had acquired resistance to Enzalutamide (MDV3100).

2016-02-24 | GSE78201 | GEO

Linking prostate cancer cell AR heterogeneity to distinct castration and Enzalutamide responses

Project description:Molecular mechanisms underlying resistance to androgen deprivation therapy (ADT) and, in particular, to antiandrogen Enzalutamide, in treating castration-resistant prostate cancer (CRPC), remain incompletely understood. Through screening >120 CRPC patient samples, we observed 3 expression patterns of androgen receptor (AR) protein: primarily nuclear (nuc-AR), mixed nuclear/cytoplasmic expression (nuc/cyto-AR), and low/no expression (AR-/lo). Xenograft CRPC modeling in 4 models (i.e., LNCaP, VCaP, LAPC4, and LAPC9) recapitulated the 3 AR expression patterns in castration-resistant tumors developed from parental androgen-dependent tumors. Strikingly, although the 3 CRPC models that retained AR expression (LNCaP, VCaP, and LAPC4) responded, to different levels and in different kinetics, to Enzalutamide, the AR-/lo LAPC9 CRPC was completely refractory to Enzalutamide. By combining whole-genome RNA-Seq and biochemical analyses together with experimental combinatorial therapy in the LNCaP and LAPC9 models, we identified BCL-2 as a critical therapeutic target in both AR+/hi and AR-/lo, Enzalutamide-resistant CRPC models.

2018-08-01 | GSE88752 | GEO

RNA sequencing of LNCaP cells treated with castration and/or enzalutamide

Project description:The goal of this study was to determine how androgen receptor inhibition alters transcriptional programs in prostate cancer cells. LNCaP prostate cancer cells were grown in 10% charcoal-stripped serum (CSS) supplemented with 0.5 nanomolar dihydrotestosterone (DHT), in CSS without DHT modeling castration, with CSS + DHT but in the presence of 10 micromolar enzalutamide, or in CSS without DHT (castrated) and in the presence of enzalutamide for 72 hours. Analysis shows that androgen receptor target genes are reduced with castration, enzalutamide or the combination of castration + enzalutamide.

2022-05-12 | GSE202755 | GEO

Effect of castration, bicalutamide, and enzalutamide on androgen receptor binding in Hi-Myc mouse prostate tumors

Project description:Effect of castration, bicalutamide, and enzalutamide on androgen receptor binding in Hi-Myc mouse prostate tumors

2015-10-01 | GSE62645 | GEO

Proteome profiling of enzalutamide-resistant cell lines and serum analysis identified ALCAM as marker of resistance in castration-resistant prostate cancer

Project description:Enzalutamide (ENZA) is a frequently used therapy in metastatic castration-resistant prostate cancer (mCRPC). Baseline or acquired resistance to ENZA have been observed, but the molecular mechanisms of resistance are poorly understood. We aimed to identify proteins involved in ENZA resistance and to find therapy-predictive serum markers. We performed comparative proteome analyses on ENZA-sensitive parental (LAPC4, DUCAP) and -resistant prostate cancer cell lines (LAPC4-ENZA, DUCAP-ENZA) using liquid chromatography tandem mass spectrometry (LC-MS/MS). The most promising 4 marker candidates were selected using bioinformatic approaches. Serum concentrations of selected markers (ALCAM, AGR2, NDRG1, IDH1) were measured in 72 ENZA-treated mCRPC patients’ samples using ELISA. In addition, ALCAM serum levels were measured in 101 Abiraterone (ABI) and 100 Docetaxel (DOC)-treated mCRPC patients. Results were correlated with clinical and follow-up data. The functional role of ALCAM in ENZA resistance was assessed in vitro using siRNA. Our proteome analyses revealed 731 significantly differentially abundant proteins between ENZA-sensitive and -resistant cells and our filtering methods identified 4 biomarker candidates. Serum analyses of these proteins revealed only ALCAM to be associated with poor patient survival. Furthermore, higher baseline ALCAM levels were associated with poor survival in ABI- but not in DOC-treated patients. In LAPC4-ENZA resistant cells, ALCAM silencing by siRNA knockdown resulted in significantly enhanced ENZA sensitivity. Our analyses revealed that ALCAM serum levels may help to identify ENZA- and ABI-resistant patients and may thereby help to optimize future clinical decision-making. Our functional analyses suggest the possible involvement of ALCAM in ENZA resistance.

2022-06-24 | PXD031847 | Pride

Expression data from prostate cancer cell lines C4-2B (enzalutamide sensitive) and C4-2B-MDVR (enzalutamide resistant) cells

Project description:Prostate cancer C4-2B cells were cultured in enzalutamide in a dose-escalation manner. After sixty passages cells were resistant to enzalutamide, with a specific sets of genes been deregulated. We performed global gene expression analysis by cDNA microarrays to identify genes responsible for enzalutamide resistance in C4-2B-MDVR cells. Enzalutamide resistant C4-2B-MDVR cells were selected from C4-2B cells during long time enzalutamide treatment. Genes responsible for enzalutamide resistance were identified using C4-2B vs. C4-2B-MDVR RNA extraction and hybridization on Affymetrix microarrays.

2015-04-09 | E-GEOD-64143 | biostudies-arrayexpress

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