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lncRNA DGCR5通过靶向调控miR-21抑制鼻咽癌细胞的增殖、侵袭和迁移 被引量:4

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摘要 目的探讨lncRNA DGCR5对鼻咽癌细胞增殖、迁移和侵袭的影响及其作用机制。方法将pcDNA-NC、pcDNA-DGCR5、anti-miR-NC、anti-miR-21质粒分别转染至CNE-1、HNE-1细胞中,记为pcDNA-NC组、pcDNA-DGCR5组、anti-miR-NC组、anti-miR-21组;将pcDNA-DGCR5分别与mimic-NC、mimic-miR-21共转染至CNE-1、HNE-1细胞中,记为pcDNA-DGCR5+mimic-NC组、pcDNA-DGCR5+mimic-miR-21组;采用qRT-PCR检测miR-21和DGCR5的表达水平;四甲基偶氮唑蓝(MTT)、Transwell、流式细胞术检测CNE-1、HNE-1细胞增殖活性、迁移、侵袭和凋亡;双荧光素酶报告实验检测DGCR5和miR-21靶向调控。结果与癌旁组织和人永生化鼻咽上皮细胞NP69相比,鼻咽癌组织和鼻咽癌细胞SUNE-1、CNE-2、CNE-1、HNE-1、HONE-1中DGCR5表达水平显著降低(P<0.05),miR-21表达水平显著增加(P<0.05);过表达DGCR5和抑制miR-21表达细胞CNE-1、HNE-1活性、迁移和侵袭数量显著降低,凋亡率显著升高(P<0.05)。DGCR5靶向调控miR-21的表达,过表达miR-21能逆转过表达DGCR5对CNE-1、HNE-1细胞增殖、迁移、侵袭和凋亡的作用。结论lncRNA DGCR5可能通过靶向调控miR-21抑制鼻咽癌细胞的增殖、迁移和侵袭,促进其凋亡。
出处 《中国老年学杂志》 CAS 北大核心 2022年第11期2791-2795,共5页 Chinese Journal of Gerontology
基金 邢台市科技计划项目(2018ZC166)。
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