设计用于免疫调节的高负载丝/酸盐材料
Logan D Morton1, Julian B Gilbert2, Daniel V Percac2
1Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States.
ACS macro letters
|February 17, 2026
概括
丝纤维素 (SF) 载体有效地提供像丁酸盐这样的短链脂肪酸 (SCFA). 纳米颗粒的输送,而不仅仅是剂量,对于重新编程炎症性巨细胞和实现治疗性免疫调节至关重要.
科学领域:
- 生物材料科学 生物材料科学
- 免疫学 免疫学 免疫学
- 药物输送系统 药物输送系统
背景情况:
- 短链脂肪酸 (SCFA),如酸盐,是强大的免疫调节剂.
- 由于SCFA的生物可用性,挥发性和快速新陈代谢不佳,SCFA的治疗应用受到阻碍.
- 传统的聚合物输送系统往往无法提供持续的,生物相关的SCFA暴露.
研究的目的:
- 引入丝纤维素 (SF) 作为挥发性代谢物的多功能载体.
- 开发基于SF的交付系统,用于SCFA,具有可调节的加载和释放配置文件.
- 调查材料形态对交付SCFA的免疫调节功效的影响.
主要方法:
- 制造含有丁酸盐的丝纤维蛋白纳米颗粒和多孔海绵.
- 对SCFA加载和多天释放配置文件的表征.
- 在体外评估巨细胞重编程和细胞因子生产 (IL-10).
主要成果:
- SF载体使酸盐在多天内持续释放.
- 纳米粒子介导的输送对于重新编程炎症性巨细胞至关重要.
- 与海绵格式不同,SF纳米颗粒诱导了显著的抗炎IL-10产生和M1-to-M2巨细胞两极分化.
结论:
- 材料形态学,特别是纳米粒子形状因子,对于SCFA免疫调节功效至关重要,独立于释放速度.
- 丝纤维蛋白是提供挥发性和快速代谢的内源代谢物的有希望的平台.
- 这项工作使得在免疫调节和代谢医学中使用基于SF的传递系统实现了新的治疗策略.
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