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MicroRNA-25 expression level is an independent prognostic factor in epithelial ovarian cancer.
MedLine Citation:
PMID:  24696291     Owner:  NLM     Status:  Publisher    
OBJECTIVES: The present study aimed to investigate the expression level of MicroRNA-25 (miR-25) in epithelial ovarian cancer (EOC) tissue, and examine its relationship with clinicopathological factors and prognosis of patients with EOC.
METHODS: Expression levels of miR-25 in 86 pairs of EOC tissue and adjacent normal tissue were measured by quantitative real-time reverse-transcription polymerase chain reaction (qRT-PCR). The comparison of the expression level of miR-25 between EOC tissue and adjacent normal tissue was performed using the two-sample Student's t test. The correlation between the expression of miR-25 and clinicopathological characters was assessed with the two-sample Student's t test. The overall survival was analyzed by log-rank test, and survival curves were plotted according to Kaplan-Meier.
RESULTS: The expression level of miR-25 in EOC tissue was significantly higher than in adjacent normal tissue. The miR-25 expression level was significantly positively correlated with tumor stage, histology, and regional lymph node involvement (P < 0.05). Kaplan-Meier analysis showed that patients with higher levels of miR-25 had significantly poorer survival than those with lower expression of this miRNA in patients, with a 6-year overall survival of 15.96 and 45.89 %, respectively, (P = 0.001). In the multivariate Cox proportional hazards analysis, high miR-25 expression was independently associated with poor survival (P = 0.002; HR = 2.119; 95 % CI = 1.568-3.221).
CONCLUSION: The increased expression of miR-25 is closely related to poor prognosis of EOC, indicating that miR-25 may serve as a predictive biomarker for the prognosis of EOC.
X Wang; X Meng; H Li; W Liu; S Shen; Z Gao
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-4-3
Journal Detail:
Title:  Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico     Volume:  -     ISSN:  1699-3055     ISO Abbreviation:  Clin Transl Oncol     Publication Date:  2014 Apr 
Date Detail:
Created Date:  2014-4-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101247119     Medline TA:  Clin Transl Oncol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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