基础研究

微小RNA-378-5p对胶质瘤血管生成的影响

  • 蔡嘉怡 ,
  • 陈思羽 ,
  • 蔡女略 ,
  • 李文德
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  • 1.广东省实验动物监测所动物部 (广东 广州 510663 )
    2.浙江中医药大学第一附属医院药学部 (浙江 杭州 310006 )
    3.浙江中医药大学临床药学与药事管理学教研室 (浙江 杭州 310006 )

收稿日期: 2024-10-10

  网络出版日期: 2025-01-26

基金资助

国家自然科学基金项目(31772549);广东省自然科学基金项目(2020A1515011298);广州市科技计划项目(202002030046);浙江中医药大学校级科研项目(2022FSYYZQ01)

Effect of miR⁃378⁃5p on angiogenesis of glioma

  • Jiayi CAI ,
  • Siyu CHEN ,
  • Nyulue CAI ,
  • Wende. LI
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  • 1.Animals Department of Guangdong Laboratory Animals Monitoring Institute,Guangzhou 510663,Guangdong,China
    2.Pharmacy Department of the First Affiliated Hospital of Zhejiang Chinese Medical University,Hangzhou 310006,Zhejiang,China
    3.Clinical Pharmacy Teaching and Research Office of Zhejiang Chinese Medical University,Hangzhou 310006,Zhejiang,China

Received date: 2024-10-10

  Online published: 2025-01-26

摘要

目的 探讨微小RNA(miR)-378-5p对胶质瘤血管生成的作用及其分子机制。 方法 qRT-PCR检测胶质瘤细胞miR-378-5p的表达水平。ELISA检测肿瘤细胞上清液中血管内皮生长因子A(VEGF-A)的含量。收集胶质瘤细胞上清液并制成条件培养基培养HUVECs,采用CCK-8、Transwell实验和小管形成实验检测HUVECs增殖、迁移、侵袭和血管形成能力的影响,评估miR-378-5p对HUVECs生物学行为的影响。 结果 在4个胶质瘤细胞中U251的miR-378-5p表达量最高,而U87 MG的表达量最低。miR-378-5p表达量高的肿瘤细胞,其条件培养基可显著促进HUVECs增殖、迁移、侵袭和血管生成。反之,降低肿瘤细胞miR-378-5p的表达量,其条件培养基促进HUVECs增殖、迁移、侵袭和血管生成的能力显著下降。ELISA结果显示miR-378-5p促进胶质瘤细胞释放VEGF-A。使用VEGF-A中和抗体干预条件培养基后,HUVECs迁移、侵袭和血管生成能力显著下调。反之外源性添加VEGF-A则可以显著提高HUVECs、迁移、侵袭和血管生成能力。 结论 miR-378-5p通过增加胶质瘤细胞释放VEGF-A,进而促进HUVECs增殖、迁移、侵袭和血管生成。

本文引用格式

蔡嘉怡 , 陈思羽 , 蔡女略 , 李文德 . 微小RNA-378-5p对胶质瘤血管生成的影响[J]. 实用医学杂志, 2025 , 41(2) : 186 -194 . DOI: 10.3969/j.issn.1006-5725.2025.02.005

Abstract

Objective To investigate the effect of miR-378-5p on glioma angiogenesis and its molecular mechanism. Methods The expression of miR-378-5p were detected by qRT-PCR in four glioma cells. The levels of VEGF were analyzed by ELISA. HUVECs were treated conditioned medium which collected by glioma cells supernatant. The effects of miR-378-5p on the proliferation, migration, invasion, and angiogenesis of HUVECs were detected by CCK-8, Transwell assay, and tubular formation assay. Results U251 was the highest expression of miR-378-5p, while U87 MG was the lowest expression. Glioma-conditioned media increased miR-378-5p levels significantly promoted the proliferation, migration, invasion, and angiogenesis of HUVECs. The results were contrary with glioma-conditioned media decreased miR-378-5p levels. miR-378-5p promoted the release of VEGF-A from glioma cells. The proliferation, migration, invasion, and angiogenesis of HUVECs treated-VEGF neutralizing antibody were significantly downregulated. Conclusion miR-378-5p promoted HUVECs proliferation, migration, invasion, and angiogenesis by increasing the release of VEGF from glioma cells.

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