Long Noncoding RNA GAS5 Promotes Proliferation, Migration, and Invasion by Regulation of miR-301a in Esophageal Cancer

被引：41
作者：
Li, Wei [1 ]
Zhao, Weidong [1 ]
Lu, Zhaohui [1 ]
Zhang, Wen [1 ]
Yang, Xuan [1 ]
机构：
[1] Shengli Oilfield Cent Hosp, Dept Gastroenterol, 31 Jinan Rd, Dongying 257000, Peoples R China
来源：
ONCOLOGY RESEARCH | 2018年 / 26卷 / 08期
关键词：
Esophageal cancer (EC); Growth arrest-specific transcript 5 (GAS5); MicroRNA-301a; Chemokine C-X-C motif receptor 4 (CXCR4); Wnt/beta-catenin/NF-kappa B; DOWN-REGULATION; LNCRNA; ACTIVATION; EXPRESSION; PROGNOSIS; APOPTOSIS; GROWTH; CXCR4; CELLS;
D O I：
10.3727/096504018X15166193231711
中图分类号：
R73 [肿瘤学];
学科分类号：
100214 ;
摘要：
Long noncoding RNA (lncRNA) growth arrest-specific transcript 5 (GAS5) has been revealed to be associated with the progression of various cancers. However, the biological roles of GAS5 in esophageal cancer (EC) remain unclear. We aimed to thoroughly explore the functions of GAS5 in EC. The results showed that GAS5 expression was increased in EC cells (ECA109, TE-1, TE-3, and EC9706) compared to SHEE cells. Knockdown of GAS5 decreased cell viability, migration, and invasion and induced apoptosis in EC9706 cells. Moreover, miR-301a appeared to be directly sponged by GAS5, and miR-301a suppression obviously alleviated the protumor effects of GAS5. Furthermore, miR-301a positively regulated CXCR4 expression, and overexpression of CXCR4 induced apoptosis and abolished the promoting effect of miR-301a inhibition on cell viability, migration, and invasion. Besides, miR-301a blocked Wnt/beta-catenin and NF-kappa B signaling pathways by regulation of CXCR4. Our results indicated that GAS5 promoted proliferation and metastasis and inhibited apoptosis by regulation of miR-301a in EC. These data contributed to our understanding of the mechanisms of miRNA-lncRNA interaction and provides a novel therapeutic strategy for EC.
引用
收藏
页码：1285 / 1294
页数：10
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