miR-212-3p Targeted Regulation of NAP1L1 Inhibits Glioma Cell Proliferation,Migration and EMT
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摘要:
目的 探究miR-212-3p在胶质瘤细胞增殖、侵袭和上皮-间充质转化(EMT)中的分子机制。 方法 RT-qPCR用于衡量胶质瘤细胞中miR-212-3p和NAP1L1表达,构建NC mimic、miR-212-3p mimic、oe-NC和oe-NAP1L1转染至细胞中,利用CCK-8 、Transwell和伤口实验评估细胞生物学行为。通过Western blot分析EMT相关标志物的蛋白表达。miR-212-3p与NAP1L1的关系通过双荧光素酶报告基因和AgO2-RIP实验进行证实。 结果 miR-212-3p的表达水平在胶质瘤细胞中显著下调(P < 0.0001 ),过表达miR-212-3p 可以显著降低胶质瘤细胞增殖(P <0.0001 )、侵袭(P =0.0011 )和迁移能力(P <0.0001 ),并且抑制了EMT标志物N-钙黏蛋白(N-cadherin)(P =0.000861 )和波形蛋白(Vimentin)(P =0.007430 )的表达,而上调了E-钙黏蛋白(E-cadherin)(P <0.0001 )的表达。miR-212-3p靶向负调控NAP1L1的表达。过表达NAP1L1逆转了miR-212-3p对胶质瘤细胞增殖(P <0.0001 )、迁移(P <0.0001 )和EMT(P <0.0001 )的抑制作用。结论 miR-212-3p通过靶向负调节NAP1L1的表达抑制胶质瘤细胞增殖、迁移和EMT。 -
关键词:
- 胶质瘤 /
- miR-212-3p /
- NAP1L1 /
- 上皮-间充质转化 /
- 细胞增殖
Abstract:Objective To explore the molecular mechanism of miR-212-3p in glioma cell proliferation, invasion and epithelial-mesenchymal transition (EMT). Methods The expression of miR-212-3p and NAP1L1 were detected by RT-qPCR in glioma cells. NC mimic, miR-212-3p mimic, oe-NC and oe-NAP1L1 were built and transfected in cells. CCK-8, Transwell and wound healing assay were used to evaluate the cell biological behaviour. Western blot was used to detect the expression of EMT-related biomarkers. The relationship between miR-212-3p and NAP1L1 was confirmed by the dual-luciferase reporter gene and AgO2-RIP assay. Results miR-212-3p was lowly expressed in glioma cells (P < 0.0001 ). miR-212-3p mimic significantly inhibited the glioma cell proliferation (P <0.0001 ), invasion (P =0.0011 ) and migration (P <0.0001 ), and reduced the expression of EMT-related biomarkers N-cadherin (P =0.000861 ) and Vimentin (P =0.007430 ), while upregulating the expression of E-cadherin (P <0.0001 ). miR-212-3p targeted and negatively regulated the NAP1L1 expression. Overexpression of NAP1L1 reversed the inhibitory effects of miR-212-3p on glioma cell proliferation (P <0.0001 ), migration (P <0.0001 ), and EMT (P <0.0001 ).Conclusion miR-212-3p inhibits the glioma cell proliferation, migration and EMT by targeting the negative regulation of NAP1L1 expression. -
Key words:
- Glioma /
- miR-212-3p /
- NAP1L1 /
- Epithelial-mesenchymal transition /
- Cell proliferation
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图 4 miR-212-3p通过下调NAP1L1抑制胶质瘤细胞增殖、迁移和EMT
A:RT- qPCR检测NAP1L1转染效率;B:RT- qPCR检测NAP1L1的表达;C:CCK-8分析;D:Transwell评估细胞侵袭;E:伤口愈合实验评估细胞迁移;F:Western blot检测N-cadherin、E-cadherin和Vimentin的蛋白水平。与NC组比较,**P < 0.01,***P < 0.001;与miR-212-3p mimic组比较,#P < 0.05,##P < 0.01,###P < 0.001。
Figure 4. miR-212-3p inhibits glioma cell proliferation,migration and EMT through down-regulation of NAP1L1
表 1 PCR引物序列
Table 1. PCR primer sequences
基因 引物 序列(5'-3') miR-212-3p forward 5'-GCGCGTAACAGTCTCCAGTC -3' reverse 5'-AGTGCAGGGTCCGAGGTATT -3' U6 forward 5'-CAAATTCGTGAAGCGTTCCA-3' reverse 5'-AGTGCAGGGTCCGAGGTATT-3' NAP1L1 forward 5'-GGCAGACATTGACAACAA-3' reverse 5'-TTCCTCCGAAATCTCATC-3' GAPDH forward 5'-TGACCACAGTCCATGCCATCAC-3' reverse 5'-CGCCTGCTTCACCACCTTCTT-3' -
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