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

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

PROVIDER: PRJNA634007 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR11816612_1.fastq.gz	Fastqsanger.gz
	SRR11816612_2.fastq.gz	Fastqsanger.gz
	SRR11816613_1.fastq.gz	Fastqsanger.gz
	SRR11816613_2.fastq.gz	Fastqsanger.gz
	SRR11816614_1.fastq.gz	Fastqsanger.gz

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

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

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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.

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

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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.

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

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

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