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使用木叶外体输送泌尿酶类型的等离子素激活剂可使静脉微环境的血栓溶解和重塑成为可能

Pengpeng Guan¹, Caijie Yuan¹, Jiali Li¹

¹State Key Laboratory of Laboratory of Resource Insects, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China; Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, Chongqing 400715, China.

International journal of biological macromolecules

|October 25, 2024

概括

来自树叶的自然外体提供尿素酶类型的血原激活剂 (uPA) 来向血栓形成. 这种方法有效地溶解血块,并通过减少氧化应激和调节巨细胞来帮助静脉组织修复.

科学领域:

生物材料科学生物材料科学
纳米医学是一种纳米医学.
血栓形成治疗疗法血栓形成治疗

背景情况:

常规纳米载体用于血栓形成治疗面临诸如不良反应和复杂合成等挑战.
"药物食品同质性"概念为药物输送系统提供了一个自然的替代方案.

研究的目的:

开发一种新型的纳米载体从天然的木叶外体 (MLE) 来进行向性尿激酶类型等离子素激活剂 (uPA) 传递.
评估基于MLE的uPA在治疗血栓形成和促进静脉组织修复方面的有效性.

主要方法:

从木叶中提取和净化天然的外体.
用循环RGD (cRGD) 移植外体,以增强血栓向.
在体外细胞计和体内动物模型 (大腿静脉血栓症) 评估向,凝块溶解和组织修复.

主要成果:

树叶外体 (MLE) 呈现出最佳的物理化学特性 (119.4 nm大小,PDI=0.174,-23.3 mv电荷).
MLE@cRGD表现出显著的血栓向能力 (74.3%).
在体内研究表明,几乎完全的凝块溶解和有效的静脉微环境重塑,包括ROS清理和M1到M2巨分化.

结论:

天然木叶外体作为有效和安全的纳米载体,用于向血栓形成治疗.
这种纳米载体系统不仅可以溶解血块,还可以促进静脉组织的修复,提供了一个有前途的治疗策略.

关键词:

巨细胞是一个巨细胞.树叶外基因组树叶外基因组是一种外基因组.有反应性氧物种的反应性氧物种.血栓溶解是一种血栓溶解.泌尿酸酶类型的塑原激活剂

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