实用肿瘤学杂志 ›› 2019, Vol. 33 ›› Issue (4): 300-304.doi: 10.11904/j.issn.1002-3070.2019.04.003

• 基础研究 • 上一篇    下一篇

miRNA-409-3p表达水平对宫颈癌细胞增殖及顺铂化疗敏感性的影响

申利1, 魏军成2   

  1. 1.华中科技大学同济医学院附属梨园医院妇产科(武汉 430077);
    2.华中科技大学同济医学院附属同济医院妇产科
  • 收稿日期:2019-03-29 发布日期:2019-08-30
  • 通讯作者: 魏军成,E-mail:wjcwjc999@126.com
  • 作者简介:申利,女,(1981-),本科,副主任医师,从事妇科肿瘤妇科内分泌的研究。

Effect of miRNA-409-3p expression on proliferation of cervical cancer cells and chemotherapy sensitivity of cisplatin

SHEN Li1, WEI Juncheng2   

  1. 1.Department of Obstetrics and Gynecology,Liyuan Hospital Affiliated to Tongji Medical College,Huazhong University of Science and Technology,Wuhan 430077,China;
    2.Department of Obstetrics and Gynecology,Tongji Hospital Affiliated to Tongji Medical College,Huazhong University of Science and Technology
  • Received:2019-03-29 Published:2019-08-30

摘要: 目的 探讨微小RNA-409-3p(miRNA-409-3p)表达水平对宫颈癌细胞增殖及顺铂化疗敏感性的影响。方法 将HeLa细胞分为正常对照组、NC对照组和miRNA-409-3p mimic组,RT-PCR法检测不同宫颈组织及转染miRNA-409-3p mimic后各组细胞中miRNA-409-3p mRNA的表达,CCK-8法检测细胞增殖率,Western blot法检测Fip200、LC3、Caspase-3蛋白的表达。结果 宫颈癌组织中miRNA-409-3p mRNA的相对表达水平显著低于正常宫颈组织和癌旁组织(P<0.05);通过转染miRNA-409-3p mimic后,miRNA-409-3p mimic组miRNA-409-3p mRNA的相对表达水平较正常对照组显著上调(P<0.05),NC对照组miRNA-409-3p mRNA的相对表达水平较正常对照组无统计学差异(P>0.05)。miRNA-409-3p mimic组HeLa细胞增殖率较正常对照组和NC对照组显著降低(P<0.05)。给予顺铂干预后,miRNA-409-3p mimic组细胞增殖显著被抑制(P<0.05);同时,miRNA-409-3p mimic组细胞中Fip200蛋白表达水平和LC3Ⅱ/LC3Ⅰ比值显著低于正常对照组和NC对照组(P<0.05)。结论 miRNA-409-3p在宫颈癌组织中低表达,可能与宫颈癌的发生发展有关,上调miRNA-409-3p水平可以抑制HeLa细胞增殖,增加HeLa细胞对顺铂的敏感性。

关键词: miRNA-409-3p, 宫颈癌, 细胞增殖, 顺铂敏感性

Abstract: Objective The Objective of this study was to investigate the effect of microRNA-409-3p(miRNA-409-3p)expression on proliferation of cervical cancer Hela cells and chemotherapy sensitivity of cisplatin.Methods HeLa cells were divided into normal control,miRNA-409-3p mimic and RNA control groups.The mRNA expression of miRNA-409-3p was detected by RT-qPCR.The cell viability was detected by CCK-8 assay,and the expression of Fip200,LC3 and Caspase-3 was detected by Western blot.Results The relative expression level of microRNA-409-3p mRNA in cervical cancer tissues was significantly lower than that in normal cervical tissues and adjacent tissues(P<0.05).After transfection of microRNA-409-3p mimic,the relative expression level of microRNA-409-3p mRNA in the microNA-409-3p mimic group was significantly up-regulated compared with the normal control group(P<0.05).The relative expression level of miRNA-409-3p mRNA in the RNA control group was not different from that in the normal control group(P>0.05).The proliferative rate of HeLa cells int the microRNA-409 mimic group was significantly lower than that in normal control and RNA control groups(P<0.05).After cisplatin treatment,the proliferation of Hela cells was significantly inhibited in the miRNA-409-3p mimic group(P<0.05);the expression of Fip200 protein and LC3II/LC3I ratio in the microRNA-409-3p mimic group were significantly lower than those in the normal control and RNA control groups(P<0.05).Conclusion The low expression of microRNA-409-3p in cervical cancer tissue may be related to the occurrence and development of cervical cancer.Upregulation of microRNA-409-3p level can inhibit the proliferation of HeLa cells and increase the sensitivity of HeLa cells to cisplatin.

Key words: miRNA-409-3p, Cervical cancer, Cell proliferation, Cisplatin sensitivity

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