Up-Regulation of Long Non-Coding RNA AB073614 Predicts a Poor Prognosis in Patients with Glioma

Lei Hu, Qiao-Li Lv, Shu-Hui Chen, Bao Sun, Qiang Qu, Lin Cheng, Ying Guo, Hong-Hao Zhou and Lan Fan
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Lei Hu: Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, China
Qiao-Li Lv: Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, China
Shu-Hui Chen: Department of Oncology, Changsha Central Hospital, Changsha 410006, China
Bao Sun: Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, China
Qiang Qu: Department of Pharmacy, Xiangya Hospital, Central South University, Changsha 410008, China
Lin Cheng: State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510275, China
Ying Guo: Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, China
Hong-Hao Zhou: Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, China
Lan Fan: Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, China

IJERPH, 2016, vol. 13, issue 4, 1-8

Abstract: Dysregulated long noncoding RNAs (lncRNAs) have been found in human diseases, especially in cancer. Emerging evidence indicates that dysregulated lncRNAs are implicated in tumorigenesis and cancer progression. LncRNA AB073614 characterized as a new candidate lncRNA promotes the development of ovarian cancer. However, the role of lncRNA AB073614 in human gliomas remains unknown. The expression of AB073614 was detected in 65 glioma tissues and 13 normal brain tissues by qRT-PCR, showing that lncRNA AB073614 expression was significantly up-regulated in cancerous tissues compared with normal brain tissues ( p < 0.001), and it was positively correlated with tumor grade (I–II grades vs. III–IV grades, p = 0.013) in glioma patients. Kaplan-Meier analysis demonstrated that increased AB073614 expression contributed to poor overall survival (HR (hazard ratio) = 1.952, 95%CI: 1.202–3.940, p = 0.0129). Further, univariate Cox regression analysis indicated that lncRNA AB073614 overexpression was an unfavorable prognostic factor in gliomas (HR = 1.997, 95%CI: 1.135–3.514, p = 0.016), regardless of the tumor grade (I–II grades vs. III–IV grades, HR = 1.902, 95%CI: 1.066–3.391, p = 0.029). Finally, after adjustment with age, sex, tumor grade and tumor location, multivariate Cox regression analysis suggested that both highly expressed lncRNA AB073614 (HR = 2.606, 95%CI: 1.408–4.824, p = 0.002) and high tumor grade (III–IV grades, HR = 2.720, 95%CI: 1.401–5.282, p = 0.003) could be considered independent poor prognostic indicators for glioma patients. In conclusion, our study suggested that increased lncRNA AB073614 expression may be identified as a poor prognostic biomarker in gliomas.

Keywords: long non-coding RNA; AB073614; glioma; prognostic biomarker (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2016
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