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Medical oncology (Northwood, London, England)

URG11 predicts poor prognosis of pancreatic cancer by enhancing epithelial-mesenchymal transition-driven invasion.


PMID 24930007

Abstract

The poor prognosis and high recurrent rate of pancreatic cancer (PC) necessitates the discovery of new predictive markers of PC invasion and prognosis. In this study, we evaluated the expression pattern of up-regulated gene 11 (URG11) in a tissue microarray with 18 pairs of PC and adjacent normal tissues. It was shown that URG11 was significantly up-regulated in PC tissues. High expression levels of URG11 were detected in all PC specimens, but were rarely detected in adjacent non-tumorous tissues. In addition, high expression of URG11 was correlated to poor prognosis. Furthermore, it was discovered that URG11 was correlated to epithelial-mesenchymal transition (EMT) markers and clinical pathological parameters indicative of high PC invasion, while knockdown of URG11 significantly changed the expression pattern of EMT markers and decreased the invasion of PC cells. These findings indicate that URG11 might enhance the invasion of PC by inducing EMT and thus lead to poor PC prognosis. Thus, URG11 has the potential to be a new predictive biomarker of PC invasion and prognosis, which may help in the diagnosis and treatment of PC patients.