成纤维细胞与间充质干细胞来源外泌体修复急性皮肤创面的比较
目的本研究旨在比较成纤维细胞来源外泌体与间充质干细胞来源外泌体对小鼠急性皮肤创面的修复作用。方法体外分离培养原代人真皮成纤维细胞(hDF)并鉴定。用超速离心法提取人真皮成纤维细胞来源外泌体(hDF-EXO)、人骨髓间充质干细胞来源外泌体(hMSC-EXO)并鉴定;两种外泌体与hDF共培养24 h后,CCK8细胞增殖实验和划痕实验检测细胞增殖和迁移活性;采用8周龄雌性C57BL/6小鼠构建急性全层皮肤切除模型,在伤口上分别局部涂敷PBS(对照组)、hDF-EXO、hMSC-EXO进行治疗。术后第0、2、4、7天观察小鼠伤口并计算伤口面积。术后第1天取伤口组织检测对外泌体摄取情况,并利用qPCR检...
| Published in: | Zhongshan Daxue xuebao. Yixue kexue ban |
|---|---|
| Main Authors: | 李锐阳, 董秋霖, 胡金华, 姜美花 |
| Format: | Article |
| Language: | Chinese |
| Published: |
Editorial Office of Journal of Sun Yat-sen University
2023-05-01
|
| Subjects: | |
| Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/doi/10.13471/j.cnki.j.sun.yat-sen.univ(med.sci).2023.0302/ |
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