Project description:We established LNCaP cells in wihch KHSRP was knocked down along with LNCaP cells with silenced KHSRP and re-introduced HA-tagged KHSRP-WT/K205R.RNA-seq was carried out in the stable LNCaP cell lines to determine the underlying mechanism of KHSRP acetylation in PCa tumorigenesis. We then performed gene expression profiling analysis using data obtained from RNA-seq of 4 different cells.
Project description:Mounting evidence indicates that long non-coding RNAs (lncRNAs) play vital roles in tumorigenesis and progression of cancers. However, the functions and regulatory mechanisms of lncRNAs in prostate cancer (PCa) are still largely unknown. In this study, we discovered a PCa-specific lncRNA, PRCAT71, significantly highly expressed in metastatic and primary PCa compared to benign prostate tissues. Silencing PRCAT71 inhibited cancerous properties of PCa cells, as well as androgen receptor (AR) signaling. Mechanismly, PRCAT71 acts as a scaffold to recruit KH-type splicing regulatory protein (KHSRP) to AR mRNA and stabilize AR mRNA. Furthermore, PRCAT71 is transcriptionally regulated by AR, thus forming a positive regulatory loop between AR and PRCAT71 in PCa. Our findings demonstrate that the PRCAT71-KHSRP-AR axis is a promising therapeutic target to treat PCa.
Project description:LINC01518 is differentially expressed in prostate cancer, but the exact role and potential mechanisms are unknown. We overexpressed LINC01518 in prostate cancer lncap cells and examined the effect of LINC01518 on gene expression profiles by RNA sequencing
Project description:We generated and characterized an androgen-independent LNCaP-AI cell line by long-term culture of androgen-dependent LNCaP cells in RPMI-1640 medium containing charcoal-stripped serum. This approach used to generate the line mimics the castration resistant condition for treating prostate cancer, supporting the relevance of the LNCAP-AI cell line to Castration Resistant Prostate Cancer.
Project description:Long non-coding RNA MEG3 is widely involved in tumor development. However, its role in prostate cancer is not very clear. We overexpressed MEG3 in prostate cancer lncap cells and characterized the effect of MEG3 on gene expression profiles by RNA sequencing