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Published on: March 14, 2019
High miR-3650 expression in nasopharyngeal carcinoma and its clinical prognostic values
Qiang Ruan1, Xian-Zi Yang2, Lin Zhu3
1The First Affiliated Hospital of Jinan University, the First Clinical Medical College of Jinan University, Guangzhou, 510630, China; Department of the second area of Gastrointestinal Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China.
Background:
A recent study has reported that miR-3650 expression was significant reduced in hepatocellular carcinoma and predicted poor prognosis. However, the role of miR-3650 in nasopharyngeal carcinoma (NPC) remains indefinite.
Methods:
Total 140 cases of NPCs were included in this study. The expression of miR-3650 was determined in NPC tissues and adjacent nontumor tissues using qRT-PCR. Then the relationship between miR-3650 expression and clinicopathological features as well as survival were analyzed.
Results:
The expression of miR-3650 was significant higher in NPC tissues than that in adjacent nontumor tissues (P < 0.001). High expression of miR-3650 was significant correlated with tumor progression and distant metastasis of NPC patients. And patients with high miR-3650 expression have much worse 5-year overall survival (OS) and 5-year progression-free survival (PFS) than those with low expression (all P < 0.0001). Furthermore, Cox regression analysis showed that miR-3650 was an independent risk predictor for OS and PFS in NPC patients (all P = 0.000).
Conclusion:
Our results demonstrated for the first time that miR-3650 was markedly upregulated in NPC tissues and positively associated with tumor progression and poor survival, suggesting that miR-3650 may be a potential novel prognostic biomarker and therapeutic target for NPC patients.
