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Homo sapiens

ABSTRACT: HNF4G, AR, FOXA1, H3K4me1, H3K27acetyl binding sites upon knockdown and overexpression of HNF4G in 22Rv1 and LNCaP prostate cancer cells respectively

PROVIDER: PRJNA338787 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR4025870.fastq.gz	Fastqsanger.gz
	SRR4025880.fastq.gz	Fastqsanger.gz
	SRR4025890.fastq.gz	Fastqsanger.gz
	SRR4025871.fastq.gz	Fastqsanger.gz
	SRR4025881.fastq.gz	Fastqsanger.gz

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HNF4G, AR, FOXA1, H3K4me1, H3K27acetyl binding sites upon knockdown and overexpression of HNF4G in 22Rv1 and LNCaP prostate cancer cells respectively

Project description:HNF4G is a gastrointestinal tissue enriched master transcriptional regulator seen overexpressed in a subset of prostate cancer. Here we have mapped binding sites of HNF4G, AR, Foxa1, H3K4me1, H3K27acetyl upon knockdown and overexpression of HNF4G in in 22Rv1 and LNCaP cells respectively

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Project description:FoxA1 has been shown critical for prostate development and prostate-specific gene expression regulation. In addition to its well-established role as an AR pioneering factor,several studies have recently revealed significant AR binding events in prostate cancer cells with FoxA1 knockdown. Furthermore, the role of FoxA1 itself in prostate cancer has not been carefully examined. Thus, it is important to understand the role of FoxA1 in prostate cancer and how it interacts with AR signaling. To address these questions, we generated engineered LNCaP cells with FoxA1 knockdown using shRNA or siRNA, 22RV1 cells with stable FoxA1 knockdown and PC3M cells with FoxA1 stable overexpression. We performed microarray analysis of these cells. We performed microarray analysis on LNCaP cells with FoxA1 knockdown using shRNA or siRNA, 22RV1 cells with stable FoxA1 knockdown and PC3M cells with FoxA1 stable overexpression

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Dual Role of FoxA1 in Androgen Receptor Binding to Chromatin, Androgen Signaling and Prostate Cancer [ChIP_seq, DHS_seq]

Project description:We report the dual role of FoxA1 in androgen receptor recruitment to the chromatin of androgen responsive prostate cancer cell line LNCaP-1F5 using ChIP-sequencing. Depletion of FoxA1 reprograms both androgen and glucocorticoid receptor recruitment and subsequent gene expression. The ChIP-seq has been performed using AR, FoxA1, GR, H3K4me2 antibodies. We have also mapped the DNaseI-hypersensitive sites (DHS) using deep sequencing. Examination of AR, FoxA1, GR, H3K4me2 binding sites and DHS sites in parental and FoxA1 depleted LNCaP-1F5 cells.

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Project description:Although AR-V7 has been intensively studied, it remains unclear whether AR-V7 and other AR splicing variants can specifically activate a distinctive transcriptional program from the full-length AR (AR-FL), and whether AR-V7 may play a role in accelerating the metastatic progression of castration-resistant PCa (CRPC). In this study, we hypothesize that AR-V7 can drive a distinct transcription program from AR-FL in CRPC condition. To test this, we used LNCaP model with inducible overexpression of AR-V7 or AR-V7-S81A to examine the transcriptional function of AR-V7 and the role of S81 phosphorylation on AR-V7 transcriptome. We also studied the endogenous AR-V7 transcriptome in CWR-22Rv1 cells using siRNA against AR-V7. Lastly, we used LNCaP model with inducible overexpression of AR-V567es to examine the AR-V567es transcriptome.

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