Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA192937 | ENA |
REPOSITORIES: ENA
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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
2014-01-01 | E-GEOD-45124 | biostudies-arrayexpress
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.
2014-01-01 | GSE45124 | GEO
Project description:Genome-wide analysis of RNA-binding protein PSF-associated transcripts in prostate cancer
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Project description:Prostate cancer is the most common cancer in men and androgen receptor (AR) downstream signalings promote prostate cancer cell proliferation. PSF is a RNA binding protein which is involved in AR signaling.To investigate the effect of samll molecule, No.10-3, on the RNA binding ability of PSF, we performed RNA immunoprecipitation (RIP) sequence analysis in AR positive prostate cancer cell line long term androgen deprivation (LTAD) cells to explore the differences of PSF function to associate with RNAs in prostate cancer cells.
2021-05-01 | GSE169139 | GEO
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.
2014-01-01 | E-GEOD-44264 | biostudies-arrayexpress
Project description:Prostate cancer is the most common cancer in men and androgen receptor (AR) downstream signalings promote prostate cancer cell proliferation. PSF is an RNA-binding protein which is involved in AR signaling. To investigate the role of PSF, we performed RNA immunoprecipitation (RIP) and crosslinking immunoprecipitation (CLIP) sequence analysis in AR-positive prostate cancer cell line, LNCaP. In addition, we used hormone-refractory prostate cancer model cells 22Rv1 and long term androgen deprivation (LTAD) cells to explore the differences of PSF function in prostate cancer progression.
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Project description:Prostate cancer is the most common cancer in men and AR downstream signalings promote prostate cancer cell proliferation. Androgen-deprivation therapy is the first-line treatment strategy for advanced prostate cancer. However, many tumors develop to castration-resistant prostate cancer (CRPC) and relapse. Thus, analyzing key factors for development of CRPC is important. We found PSF functions as RNA binding protein and transcription factor to promote castration-resistant tumor growth. High expression of PSF in metastatic prostate cancer tissue indicates the clinical relevance. In order to investigate the PSF function in CRPC cells, we performed gene expression in CRPC model cells derived from AR-positive prostate cancer cell lines after siPSF treatment.
2017-12-24 | GSE100239 | GEO
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 on the histone acetylation status in CRPC cells.
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Project description:Genome-wide mapping of retinoblastoma (Rb) binding sites in prostate cancer cell lines VCaP and LNCaP
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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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