脂肪衍生的干细胞 (ADSCs) 衍生的DKK1通过通过PI3K/AKT和JNK激活诱导M2巨细胞极化促进皮肤伤口愈合
Daiming Liu1, Ning Liu1, Xinxuan Liu2
1Departments of Wound Repair, The Second Affiliated Hospital, Hunan University of Chinese Medicine, Changsha, 410005, Hunan, China.
Biochimica et biophysica acta. Molecular cell research
|November 2, 2025
概括
脂质衍生干细胞 (ADSCs) 通过释放头相关蛋白1 (DKK1) 加快伤口愈合. 这种蛋白调节巨细胞极化,减少炎症并促进组织修复,以改善治疗策略.
科学领域:
- 再生医学是一种再生医学.
- 免疫学 免疫学 免疫学
- 细胞生物学 细胞生物学
背景情况:
- 伤口愈合涉及炎症解决和组织再生.
- 巨细胞两极分化对于有效的伤口修复至关重要.
- 脂肪基衍生干细胞 (ADSCs) 在伤口愈合方面显示出治疗潜力.
研究的目的:
- 为了调查ADSC是否通过膜头相关蛋白1 (DKK1) 促进伤口修复.
- 探索ADSCs对巨细胞两极分化的调控机制.
- 阐明DKK1在ADSC介导的伤口愈合中的作用.
主要方法:
- 鼠全厚皮肤伤口模型.
- 使用LPS/IFN-γ刺激的巨体进行了体外研究.
- 在ADSC中DKK1的淘汰.
- 对巨细胞极化标记物和炎症性细胞因子的分析.
- 评估PI3K/AKT和JNK通路的激活.
主要成果:
- 治疗ADSCs增强了重新表皮化,原沉积和细胞增殖 (Ki67).
- ADSCs降低了炎症性细胞因子,并促进了M2巨细胞的两极分化.
- 在ADSC中,DKK1的淘汰削弱了这些有益影响.
- DKK1激活了巨细胞和伤口组织中的PI3K/AKT和JNK通路.
结论:
- DKK1是伤口愈合中ADSCs的一个关键的副介质.
- 通过DKK1.1,ADSCs通过调节巨细胞两极分化来促进伤口修复.
- 研究结果为优化基于干细胞的伤口愈合疗法提供了见解.
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