期刊
CLINICS AND RESEARCH IN HEPATOLOGY AND GASTROENTEROLOGY
卷 38, 期 6, 页码 715-719出版社
ELSEVIER MASSON, CORP OFF
DOI: 10.1016/j.clinre.2014.07.001
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Purpose: The aim was to investigate the expression level of miR-21 in HCC tissues and its prognostic value among Asian population. Methods: In the present study, expression of miR-21 was evaluated by qRT-PCR in tumor and adjacent non-neoplastic tissues in 119 HCC patients. The association of miR-21 expression with clinicopathological factors and the prognosis of HCC patients was also analyzed. Survival analysis was performed using the Kaplan-Meier method and Cox's proportional hazards model. Results: We found that miR-21 expression was significantly higher in HCC tissues compared with normal adjacent liver tissues (P < 0.0001). The 5-year overall survival (OS) of high miR-21 expression group was significantly shorter than that of low miR-21 expression group (40.2% vs. 70.7%; P = 0.007). Moreover, the 5-year disease-free survival (DFS) of high miR-21 expression group was also significantly shorter than that of low miR-21 expression group (17.4% vs. 57.3%; P = 0.001). Furthermore, in a multivariate Cox model, we found that miR-21 expression was an independent poor prognostic factor for both 5-year OS (hazards ratio [HR] = 3.189, 95% confidence interval [CI] = 1.911-10.012, P = 0.03) and 5-year DFS (HR = 5.897, CI = 3.009-13.763, P < 0.001) in HCC. Conclusions: The results of the present study suggested miR-21 expression level could be a novel potential biomarker for HCC prognosis. (C) 2014 Elsevier Masson SAS. All rights reserved.
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