长链非编码RNA氧化应激反应丝氨酸丰富1反义RNA 1对肾癌细胞增殖、迁移及侵袭的影响

被引:5
|
作者
赫志强 [1 ]
王雷 [1 ]
杨锦建 [2 ]
机构
[1] 河南省商丘市第一人民医院泌尿外科
[2] 郑州大学第一附属医院泌尿外科
关键词
长链非编码RNA氧化应激反应丝氨酸丰富1反义RNA 1; 微小RNA; 肾癌; 增殖; 迁移; 侵袭;
D O I
暂无
中图分类号
R737.11 [肾、肾盂肿瘤];
学科分类号
摘要
目的探讨长链非编码RNA氧化应激反应丝氨酸丰富1反义RNA 1(lncRNA OSER1-AS1)对肾癌ACHN细胞的增殖、迁移、侵袭的影响及其对微小RNA(microRNA, miR)-612的调控作用。方法 2017年1月至2020年3月, 采用实时定量反转录聚合酶链反应(RT-qPCR)法检测肾癌组织、癌旁组织中OSER1-AS1、miR-612的表达量;体外培养肾癌细胞ACHN, 分别将OSER1-AS1小分子干扰RNA(si-OSER1-AS1)及其阴性对照(si-NC)、miR-612寡核苷酸模拟物(miR-612 mimics)及阴性对照mimic NC序列(miR-NC)、si-OSER1-AS1与miR-612特异性寡核苷酸抑制剂的阴性对照(anti-miR-NC)、si-OSER1-AS1与miR-612特异性寡核苷酸抑制剂(anti-miR-612)转染至ACHN细胞;采用RT-qPCR法检测细胞中OSER1-AS1、miR-612的表达量;采用噻唑蓝(MTT)、Transwell小室实验分别检测细胞增殖、迁移及侵袭能力;双荧光素酶报告实验检测OSER1-AS1、miR-612的靶向关系;蛋白质印迹法(Western blot)检测细胞周期蛋白1(Cyclin D1)、基质金属蛋白酶(MMP)-2、MMP-9、p21蛋白表达量。两组间比较采用独立样本t检验, 多组间比较采用单因素方差分析。结果肾癌组织OSER1-AS1的表达水平(1.00±0.08比3.37±0.28)高于癌旁组织(t=52.113, P<0.05), miR-612的表达水平(1.00±0.06比0.47±0.04)低于癌旁组织(t=47.062, P<0.05);si-OSER1-AS1组细胞活力(0.66±0.05比0.31±0.03)与Cyclin D1(0.63±0.05比0.25±0.02)、MMP-2(0.82±0.07比0.35±0.03)、MMP-9(0.76±0.06比0.28±0.03)蛋白水平低于si-NC组(t=18.007、21.169、18.514、21.466, P<0.05), si-OSER1-AS1组迁移细胞数[(115.56±9.52)个比(55.99±5.59)个]、侵袭细胞数[(93.41±6.09)个比(46.05±4.35)个]低于si-NC组(t=16.188、18.984, P<0.05), si-OSER1-AS1组p21蛋白水平(0.15±0.02比0.57±0.05)高于si-NC组(t=23.398, P<0.05);miR-612组细胞活力(0.68±0.05比0.39±0.03)与Cyclin D1(0.66±0.05比0.28±0.03)、MMP-2(0.85±0.06比0.46±0.03)、MMP-9(0.78±0.05比0.34±0.02)蛋白水平低于miR-NC组(t=14.920、19.551、17.441、24.512, P<0.05), miR-612组迁移细胞数[(118.76±9.87)个比(64.39±4.65)个]、侵袭细胞数[(99.65±9.12)个比(53.57±3.67)个]低于miR-NC组(t=14.950、14.062, P<0.05), miR-612组p21蛋白水平(0.14±0.02比0.51±0.04)高于miR-NC组(t=24.820, P<0.05);双荧光素酶报告实验证实OSER1-AS1可靶向结合miR-612;抑制miR-612表达可明显逆转干扰OSER1-AS1对细胞增殖、迁移及侵袭的作用。结论干扰OSER1-AS1可通过上调miR-612的表达从而抑制肾癌ACHN细胞增殖、迁移及侵袭。
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页码:488 / 492
页数:5
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