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Effects of PSF inhibitors on histone acetylation in prostate cancer cells [ChIP-seq]

ABSTRACT: Effects of PSF inhibitors on histone acetylation in prostate cancer cells [ChIP-seq]

PROVIDER: PRJNA655683 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12401326.fastq.gz	Fastqsanger.gz
	SRR12401327.fastq.gz	Fastqsanger.gz
	SRR12401328.fastq.gz	Fastqsanger.gz
	SRR12401329.fastq.gz	Fastqsanger.gz
	SRR12401330.fastq.gz	Fastqsanger.gz

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Effects of PSF inhibitors on histone acetylation in prostate cancer cells [ChIP-seq]

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Project description:Prostate cancer is the most common cancer in men and AR downstream signalings promote prostate cancer cell proliferation. Although initially hormone-deprovation therapy is effective to inhibit cancer progression, most of cancers relapse as castration-resistant prostate cancer (CRPC). PSF is one of RNA binding proteins associated with prostate cancer progression. In this study, we examined the effect of small molecule treatment interacting with PSF in CRPC cells. In order to investigate the effect of small molecule interacting with PSF cells, we analyzed gene expression profile in AR-positive prostate cancer cell line LNCaP and CRPC model cell derived from LNCaP cells.We treated LNCaP cells with vehicle or dihydrotestosterone (DHT) for 24 h. LTAD cells were treated with siControl or siPSF (10 nM) for 48 h. LTAD cells were treated with vehicle or small molecule interacting with PSF (No.10-3) for 48 h.

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Project description:Prostate cancer is the most common cancer in men and AR downstream signalings promote prostate cancer cell proliferation. We identified androgen-regulated long non-coding RNA, CTBP1-AS, located in the antisese region of CTBP1 gene. CTBP1-AS activate AR signaling by epigenetically repress AR-associated cofactors such as CTBP1 by interactign with RNA-binding protein PSF and recruiting HDAC complex to the target promoters. In order investigated the PSF target genes, we performed ChIP-seq analysis of PSF binding sites in prostate cancer cell line, LNCaP cells. We identified androgen dependent PSF binding regions in prostate cancer cell genome. We observed PSF bindings around the promoters of androgen repressed genes such as CTBP1, p53 and SMAD3. ChIP-sequence analysis of PSF binding sites in prostate cancer cells

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Effects of PSF and CTBP1-AS knockdown in prostate cancer cell lines

Project description:Prostate cancer is the most common cancer in men and Androgen receptor (AR) downstream signalings promote prostate cancer cell proliferation. We identified androgen-regulated long non-coding RNA, CTBP1-AS, located in the antisese region of CTBP1 gene. CTBP1-AS activate AR signaling by epigenetically repress AR-associated cofactors such as CTBP1 by interactign with RNA-binding protein PSF and recruiting HDAC complex to the target promoters. In order to investigate the CTBP1-AS and PSF function in prostate cancer cells, we performed gene expression in AR-positive prostate cancer cell lines after siPSF or siCTBP1-AS treatment. We also treated cells with vehicle or androgen to analyzed the effects of CTBP1-AS and PSF on AR function. Observation of androgen dependent gene expression changes after treatmet with siRNAs targeting CTBP1-AS and PSF with microarray.

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