细胞衍生的纳米囊从介质干细胞作为外细胞囊模仿剂在伤口愈合中
Yub Raj Neupane1,2, Harish K Handral3, Syed Abdullah Alkaff4
1Department of Pharmacy, National University of Singapore, Singapore 117559, Singapore.
Acta pharmaceutica Sinica. B
|May 30, 2023
概括
生物启发的细胞衍生纳米囊 (CDN) 能够有效地模仿外细胞囊 (EV) 进行伤口愈合. 这些CDN通过增强细胞增殖,迁移和血管生成来促进组织再生,为EV和细胞提供了一个有希望的替代方案.
科学领域:
- 生物技术是生物技术.
- 再生医学是一种再生医学.
- 细胞生物学 细胞生物学
背景情况:
- 伤口愈合涉及复杂的细胞和分子事件.
- 细胞外囊泡 (EVs) 对伤口愈合具有治疗潜力,但在产量和隔离方面存在局限性.
- 介酶干细胞衍生的纳米纤维 (MSCs-CDNs) 是EVs的生物灵感替代品.
研究的目的:
- 开发和描述细胞衍生纳米囊 (CDN) 作为外细胞囊 (EV) 的可扩展替代品,用于伤口愈合.
- 研究MSC-CDNs在促进组织再生和伤口愈合方面的治疗效果.
主要方法:
- 介质细胞干细胞 (MSC) 通过膜剪切产生CDN.
- 使用物理特征和高通量蛋白质组来比较MSC-CDN与MSC-EV.
- 试验室试验评估了纤维细胞和内皮细胞的反应,包括增殖,迁移和血管生成.
- 在动物模型中的体内研究评估了伤口愈合加速.
主要成果:
- 证实MSC-CDN在组成和结构上模仿MSC-EV.
- 人体皮肤纤维细胞有效地内化MSC-CDN,激活MAPK信号通路.
- MSC-CDNs促进了纤维细胞的增殖,迁移,生长因子分泌和细胞外基质的产生.
- 在体外和体内,MSC-CDNs增强了血管生成,加速了伤口愈合.
结论:
- 生物启发的MSC-CDN为伤口愈合应用提供了一个有希望的,可扩展的EV替代方案.
- 通过刺激关键细胞过程和血管生成,MSC-CDNs有效地促进组织再生.
- 这些发现表明MSC-CDNs可以在治疗创伤修复策略中取代细胞和EV.
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