天津医药 ›› 2023, Vol. 51 ›› Issue (8): 814-819.doi: 10.11958/20221529

• 细胞与分子生物学 • 上一篇    下一篇

白皮杉醇调控miR-106b-5p/RUNX3轴对宫颈癌细胞迁移及侵袭的影响

王玉宁1(), 宋聚星2, 田志刚3, 郝国荣1, 申浩1   

  1. 1 石家庄市第四医院妇科(邮编050035)
    2 保定市第二中心医院病理科
    3 保定市第二中心医院检验科
  • 收稿日期:2022-09-22 修回日期:2023-03-03 出版日期:2023-08-15 发布日期:2023-08-10
  • 作者简介:王玉宁(1983),男,主治医师,主要从事妇科肿瘤方面研究。E-mail:wang_yn1983w@163.com
  • 基金资助:
    石家庄市科学技术研究与发展计划项目(191201233)

The effect of piceatannol on the migration and invasion of cervical cancer cells by regulating miR-106b-5p/RUNX3 axis

WANG Yuning1(), SONG Juxing2, TIAN Zhigang3, HAO Guorong1, SHEN Hao1   

  1. 1 Department of Gynecology, Shijiazhuang No.4 Hospital, Shijiazhuang 050035, China
    2 Department of Pathology, Baoding Second Central Hospital
    3 Department of Clinical Laboratory, Baoding Second Central Hospital
  • Received:2022-09-22 Revised:2023-03-03 Published:2023-08-15 Online:2023-08-10

摘要:

目的 探究白皮杉醇(PIC)调控微小RNA-106b-5p(miR-106b-5p)/RUNT相关转录因子3(RUNX3)轴对宫颈癌(CC)细胞迁移及侵袭的影响。方法 使用不同浓度PIC(0、20、40、80和160 μmol/L)培养液处理人CC Hela细胞,通过CCK-8法检测PIC对细胞增殖活力的影响,以确定PIC最佳使用浓度。将Hela细胞分为Control组、PIC组、PIC+NC mimics组、PIC+miR-106b-5p mimics组、NC inhibitor组、miR-106b-5p inhibitor组、miR-106b-5p inhibitor+si-RNA组及miR-106b-5p inhibitor+si-RUNX3组。实时荧光定量PCR检测各组Hela细胞miR-106b-5p表达水平;Transwell法检测各组Hela细胞迁移及侵袭能力;Western blot法检测各组Hela细胞中RUNX3、基质金属蛋白酶(MMP)2和MMP9蛋白表达水平;双萤光素酶报告基因实验检测miR-106b-5p与RUNX3靶向关系。结果 Hela细胞增殖活力随着PIC处理浓度的增高而呈现降低趋势(P<0.05),其中80 μmol/L PIC对Hela细胞的抑制作用接近半数抑制浓度(IC50),故选择80 μmol/L为后续研究的PIC浓度。与Control组相比,PIC组miR-106b-5p、MMP2和MMP9表达水平均降低,迁移和侵袭细胞数量减少,RUNX3表达水平增加(P<0.05);与PIC+NC mimics组相比,PIC+miR-106b-5p mimics组miR-106b-5p、MMP2和MMP9表达水平增加,迁移和侵袭细胞数量增多,RUNX3表达水平降低(P<0.05)。双萤光素酶报告基因实验证实RUNX3为miR-106b-5p的靶基因。与NC inhibitor组相比,miR-106b-5p inhibitor组RUNX3表达水平增加,miR-106b-5p、MMP2与MMP9表达水平降低,迁移和侵袭细胞数量减少(P<0.05);与miR-106b-5p inhibitor+si-RNA组相比,miR-106b-5p inhibitor+si-RUNX3组RUNX3表达水平降低,miR-106b-5p、MMP2和MMP9表达水平增加,迁移和侵袭细胞数量增多(P<0.05)。结论 PIC通过抑制miR-106b-5p表达、促进RUNX3表达来抑制CC细胞迁移及侵袭。

关键词: 微RNAs, 核心结合因子α3亚基, 宫颈肿瘤, 细胞运动, 肿瘤浸润, 白皮杉醇, miR-106b-5p, RUNT相关转录因子3

Abstract:

Objective To explore the effect of piceatannol (PIC) on migration and invasion of cervical cancer (CC) cells by regulating microRNA-106b-5p (miR-106b-5p)/RUNT-related transcription factor 3 (RUNX3) axis. Methods Firstly, human CC cells Hela were treated with culture media of different concentrations of PIC (0, 20, 40, 80 and 160 μmol/L), and the effect of PIC on cell proliferation was detected by CCK-8 assay to determine the optimal concentration of PIC. Hela cells were divided into the control group, the PIC group, the PIC+NC mimics group, the PIC+ miR-106b-5p mimics group, the NC inhibitor group, the miR-106b-5p inhibitor group, the miR-106b-5p inhibitor+si-RNA group and the miR-106b-5p inhibitor+si-RUNX3 group. qRT-PCR was used to detect the expression level of miR-106b-5p in Hela cells in each group. Transwell method was used to detect the migration and invasion abilities of Hela cells in each group. Western blot assay was used to detect the protein levels of RUNX3, MMP2 and MMP9 in Hela cells of each group. Dual luciferase reporter gene experiment was used to detect the targeting relationship between miR-106b-5p and RUNX3. Results The proliferation activity of Hela cells decreased with the increase of PIC treatment concentration (P<0.05). The inhibitory effect of 80 μmol/L PIC on Hela cells was nearly to half inhibitory concentration (IC50), so 80 μmol/L was selected as the PIC concentration for subsequent study. Compared with the control group, the expression levels of miR-106b-5p, MMP2 and MMP9 decreased in the PIC group, the numbers of migrating and invasive cells decreased, and the expression level of RUNX3 increased (P<0.05). Compared with the PIC+NC mimics group, the expression levels of miR-106b-5p, MMP2 and MMP9 increased in the PIC+miR-106b-5p mimics group, numbers of migrating and invasive cells increased, and the expression level of RUNX3 decreased (P<0.05). Double luciferase reporter gene assay confirmed RUNX3 as the target gene of miR-106b-5p. Compared with the NC inhibitor group, the expression level of RUNX3 increased in the miR-106b-5p inhibitor group, and the expression levels of miR-106b-5p, MMP2 and MMP9 decreased, and numbers of migrating and invasive cells decreased (P<0.05). Compared with the miR-106b-5p inhibitor+si-RNA group, the miR-106b-5p inhibitor+si-RUNX3 group showed lower RUNX3 expression level, increased miR-106b-5p, MMP2 and MMP9 expression levels, and increased numbers of migrating and invading cells (P<0.05). Conclusion PIC inhibits the miR-106b-5p expression and promotes RUNX3 expression to inhibit CC cell migration and invasion.

Key words: microRNAs, core binding factor alpha 3 subunit, uterine cervical neoplasms, cell movement, neoplasm invasiveness, piceatannol, miRNA-106b-5p, RUNT-related transcription factor 3

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