细胞周期蛋白依赖性激酶在miR-193a5p调控卵巢癌细胞增殖及上皮细胞间充质转变中的作用*

doi:10.12047/j.cjap.5888.2020.039

摘要/Abstract

摘要： 目的: 探讨miR-193a-5p靶向CDK14并调控卵巢癌细胞OVAC的增殖和上皮间充质转变(EMT)的作用。方法: 通过TargetScanHuman分析miR-193a-5p与CDK14的匹配情况,通过荧光素酶报告系统检测miR-193a-5p靶向CDK14情况;在miR-193a-5p mimics过表达或者miR-193a-5p inhibitor基因沉默miR-193a-5p的情况下,采用免疫印迹检测CDK14,EMT相关蛋白质E-cadherin、vimentin、fibronectin和N-cadherin的表达量,采用CCK-8检测卵巢癌细胞OVAC增殖情况, MMT检测卵巢癌细胞OVAC的细胞活力。结果: miR-193a-5p靶向CDK14的3‘UTR;过表达miR-193a-5后, CDK14的表达下降,EMT相关蛋白质E-cadherin的表达上升,vimentin、fibronectin和N-cadherin的表达下降,卵巢癌细胞OVAC的增殖和细胞活力均增加;同时,基因沉默miR-193a-5p后, CDK14的表达上升,EMT相关蛋白质E-cadherin的表达下降,vimentin、fibronectin和N-cadherin的表达量上升,卵巢癌细胞OVAC的增殖和细胞活力均减少。结论: miR-193a-5p通过靶向CDK14的3‘UTR降低卵巢癌细胞OVAC的增殖、细胞活力和EMT。

关键词: miR-193a-5p, CDK14, 卵巢癌, OVAC, 增殖, 上皮细胞间充质转变

Abstract: Objective: To investigate whether miR-193a-5p targets CDK14 and regulates the proliferation and epithelial-mesenchymal transition (EMT) of ovarian cancer cell line OVAC. Methods: TargetScanHuman was used to analyze the match between miR-193a-5p and CDK14, and then miRNA assay was used to detect whether miR-193a-5p targeting CDK14; miR-193a-5p mimics overexpression or miR-193a-5p inhibitor knockdown in the case of low miR-193a-5p, the expression levels of CDK14, EMT-related proteins E-cadherin, vimentin, fibronectin and N-cadherin were detected by immunoblotting, and the proliferation of ovarian cancer cells OVAC was detected by CCK-8, and the cell viability of cancer cell OVAC was detected by MMT. Results: miR-193a-5p targeted the 3'UTR of CDK14; after overexpression of miR-193a-5, the expression of CDK14 was decreased, the expression of EMT-related protein E-cadherin was increased, and the expressions of vimentin, fibronectin and N-cadherin were decreased. The proliferation and cell viability of ovarian cancer cell line OVAC were increased. Meanwhile, after knocking down miR-193a-5p, the expression of CDK14 was increased, and the expression of EMT-related protein E-cadherin was decreased, while the expression levels of vimentin, fibronectin and N-cadherin were increased, and the proliferation and cell viability of ovarian cancer cell line OVAC were decreased. Conclusion: miR-193a-5p reduces the proliferation, cell viability and EMT of ovarian cancer cell line OVAC by targeting the 3 'UTR of CDK14.

Key words: miR-193a-5p, CDK14, ovarian cancer, OVAC, proliferation, EMT

中图分类号:

R737-31

杨尊敬, 杜先玲. 细胞周期蛋白依赖性激酶在miR-193a5p调控卵巢癌细胞增殖及上皮细胞间充质转变中的作用^*[J]. 中国应用生理学杂志, 2020, 36(2): 176-179.

YANG Zun-jing, DU Xian-ling. The role of cyclin-dependent kinases in miR-193a5p regulating ovarian cancer cell proliferation and epithelial mesenchymal transformation[J]. CJAP, 2020, 36(2): 176-179.

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细胞周期蛋白依赖性激酶在miR-193a5p调控卵巢癌细胞增殖及上皮细胞间充质转变中的作用^*

The role of cyclin-dependent kinases in miR-193a5p regulating ovarian cancer cell proliferation and epithelial mesenchymal transformation

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