蒙纳斯色素受保护的骨髓衍生干细胞用于心力衰竭治疗
Tian Yue1, Wentai Zhang2, Haifeng Pei3
1Department of Cardiology, The Third People's Hospital of Chengdu/Affiliated Hospital of Southwest Jiaotong University, Chengdu Institute of Cardiovascular Disease, Chengdu, Sichuan, 610031, China.
Bioactive materials
|September 17, 2024
概括
可注射水凝中的Monascus颜料纳米颗粒增强了心力衰竭 (HF) 中介酶干细胞 (MSC) 疗法. 这种方法通过减轻炎症和氧化应激来改善MSC生存率和心脏功能.
科学领域:
- 生物医学工程 生物医学工程
- 再生医学是一种再生医学.
- 纳米技术纳米技术
背景情况:
- 中介细胞干细胞 (MSCs) 显示出治疗心力衰竭 (HF) 的前景.
- 由于炎症和氧化压力丰富的HF微环境,MSCs的临床转化受到保留和活性较差的限制.
- 需要新的策略来提高MSC在HF治疗中的有效性.
研究的目的:
- 开发一个注射式水凝系统,装载着色素 (MP) 纳米颗粒 (PPM) 用于骨髓衍生MSC (BMSC) 移植.
- 评估带有PPM的水凝能够改善不利的HF微环境的能力.
- 在大鼠HF模型中评估这种综合方法的治疗疗效.
主要方法:
- 使用希夫基交叉链接制备可注射水凝,以封装PPM和BMSCs.
- 水凝性质的表征,包括生物相容性,可注射性和组织粘附性.
- 在体外评估PPM对BMSCs的ROS清除和巨细胞调节效应.
- 在活体中评估水凝-BMSC-PPM复合物在危心脏HF的老鼠模型中.
主要成果:
- 开发的水凝具有出色的生物相容性,可注射性和粘附性.
- PPM 显示出显著的 ROS 清除和巨细胞表型调节,在模拟的 HF 环境中增强了 BMSC 存活率和活性.
- 联合凝-BMSC-PPM治疗导致HF的老鼠心脏功能的有效改善.
- 该战略成功调节了不利的高频微环境,支持了BMSC的治疗潜力.
结论:
- 结合MP纳米颗粒的可注射,粘合性水凝提供了一个有希望的策略,以克服基于MSC的心力衰竭治疗的挑战.
- 这种方法通过创造更有利的微环境来增强BMSC的生存和功能.
- 这些发现为推进MSCs在治疗心力衰竭中的临床应用提供了宝贵的见解.
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