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蔡昫,邹晓玲,王禹萌,余亦程,兰宏伟,郭娟,王婷婷,熊武.黄芪甲苷改善人内皮祖细胞生物学功能的实验研究[J].湖南中医药大学学报英文版,2020,40(1):34-37.[Click to copy
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| 黄芪甲苷改善人内皮祖细胞生物学功能的实验研究 |
| 蔡昫,邹晓玲,王禹萌,余亦程,兰宏伟,郭娟,王婷婷,熊武 |
| (湖南中医药大学第一附属医院烧伤疮疡整形外科, 湖南 长沙 410007;湖南中医药大学第一附属医院内分泌科, 湖南 长沙 410007) |
| 摘要: |
| 目的 探讨黄芪甲苷（Astragaloside IV，AS-IV）对人内皮祖细胞（endothelial progenitor cells，EPCs）生物学功能的影响，为深入研究AS-IV调节EPCs介导的血管新生的作用机制奠定基础。方法 取足月健康新生儿脐带血，采用密度梯度离心法分离得到单个核细胞，经传代培养，采用CD31抗体联合DAPI核染以及FITC-UEA-I和Dil-ac-LDL双荧光染色法鉴定EPCs。将鉴定成功的EPCs随机分为实验组和对照组，实验组采用100 mg/L的AS-IV干预，对照组用等容量的PBS液处理，两组细胞培养24 h后，通过CCK-8细胞增殖检测试剂盒、黏附能力测定试验、细胞划痕试验及Matrigel体外成血管试验观察AS-IV对EPCs增殖、黏附、迁移和成管功能的影响。结果 与对照组相比，实验组细胞增殖的OD值增大，细胞黏附数增多，细胞迁移宽度增加（即细胞迁移率增大），体外成管数增多，差异均有统计学意义（P<0.05）。结论 黄芪甲苷能改善体外人EPCs的生物学功能，具有调节EPCs介导血管新生的潜能。 |
| 关键词: 黄芪甲苷 内皮祖细胞 生物学功能 血管新生 |
| DOI：10.3969/j.issn.1674-070X.2020.01.008 |
| Received:July 08, 2019 |
| 基金项目:湖南省卫生计生委科研计划课题项目（B20180739）。 |
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| Experimental Study on the Improvement of Biological Function for Human Endothelial Progenitor Cells by Astragaloside IV |
| CAI Xu,ZOU Xiaoling,WANG Yumeng,YU Yicheng,LAN Hongwei,GUO Juan,WANG Tingting,XIONG Wu |
| (Department of Burn and Plastic Surgery, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, China;Department of Endocrinology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, China) |
| Abstract: |
| Objective To explore the effects of Astragaloside IV (AS-IV) on the biological function of human endothelial progenitor cells (EPCs), and to lay a foundation for further study of the mechanism of AS-IV regulating EPCs-mediated angiogenesis. Methods Umbilical cord blood was collected for full-term healthy newborns, and the mononuclear cells were separated by density gradient centrifugation method. After subculture, CD31 antibody combined with DAPI staining identification, and double staining identification of FITC-UEA-I and Dil-ac-LDL were adopted to identify EPCs. The successfully identified EPCs were randomly divided into an experimental group and a control group. The experimental group was treated with 100 mg/L Astragaloside IV and the control group was treated with the same amount of PBS solution. After 24 hours of cell culture, the effects of AS IV on EPCs proliferation, adhesion, migration and tube formation were observed by CCK-8 cell proliferation kit, adhesion ability assay test, cell scratch test and Matrigel angiogenesis test in vitro. Results Compared with the control group, the OD value of cell proliferation, the number of cell adhesion, the width of cell migration (namely cell migration rate) and the number of tubes formed in vitro increased in the experimental group, with significant difference (P<0.05). Conclusion Astragaloside IV can improve the biological function of human EPCs in vitro and has the potential to regulate the angiogenesis mediated by EPCs. |
| Key words: Astragaloside IV endothelial progenitor cells biological function angiogenesis |
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