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- W2509038704 abstract "The contribution of long non-coding RNAs (lncRNAs) to tumorigenesis and metastasis of pancreatic cancer (PC) remains largely unknown. Urothelial cancer-associated 1 (UCA1), which is an originally identified lncRNA in bladder cancer, has be proved to play a pivotal role in bladder cancer progression and embryonic development. In this study, we detected the mRNA expression of UCA1 in 128 PC patients by qRT-PCR, and found that UCA1 expression was significantly, up-regulated in tumor tissues than that in matched adjacent non-tumor tissues (p<0.05). Clinicopathological analysis demonstrated that UCA1 expression in PC significantly correlated with malignant potential factors such as tumor size (p=0.021), depth of invasion (p=0.033), CA19-9 level (p=0.034) and tumor stage (p=0.013). Cox proportional hazards regression analysis also confirmed that high UCA1 expression was an independent prognostic biomarker of PC (p=0.046), which led to an obviously shorter 5-year overall survival (OS) compared to those patients with low UCA1 expressions (p=0.018). Furthermore, we effectively down-regulated UCA1 mRNA expression by transfecting RNA interfere fragments into SW-1990 cells, and our results in vitro indicated that down-regulation of UCA1 could effectively inhibit the cell proliferative activities, induce apoptotic rate and cause cell cycle arrest in PC cells (p<0.05). Meanwhile, UCA1 expression negative-correlated with p27 in PC tissues (r2=0.46, p<0.01), and knockdown of p27 partly abrogated the cell proliferative activities caused by UCA1 (p<0.05). Our results raised the possibility of using UCA1 as a potential prognostic biomarker and therapy target of PC, and down-regulation of UCA1 might be considered to be a novel molecular treatment strategy for patients with PC." @default.
- W2509038704 created "2016-09-16" @default.
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- W2509038704 date "2016-10-01" @default.
- W2509038704 modified "2023-10-05" @default.
- W2509038704 title "Long non-coding RNA UCA1 promotes the tumorigenesis in pancreatic cancer" @default.
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- W2509038704 doi "https://doi.org/10.1016/j.biopha.2016.08.041" @default.
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