可吸入的呼吸驱动穿透多孔微球基粘膜疫苗用于长期免疫保护.
Zhisheng Xiao1,2,3, Zhiqiang Wu1, Qiaofeng Li2
1Department of Thoracic Surgery, Shanghai Pulmonary Hospital, School of Medicine, Tongji University, Shanghai, China.
Advanced materials (Deerfield Beach, Fla.)
|March 5, 2026
概括
一种新的可吸入毛孔微球 (pMS) 疫苗只需一剂量就能提供持久的肺免疫力. 这种创新的疫苗平台证明了对肺瘤转移的长期保护,并具有各种肺部疾病的潜力.
科学领域:
- 生物医学工程 生物医学工程
- 免疫学 免疫学 免疫学
- 纳米技术纳米技术
背景情况:
- 吸入性粘膜疫苗提供非侵入性输送,但面临的挑战是肺障碍物,如粘膜清除和细胞化,往往需要多剂量.
- 现有的疫苗策略在有效的抗原递送和肺部持续免疫反应方面扎.
研究的目的:
- 开发一种创新的可吸入的多孔微球 (pMS) 疫苗平台,用于肺部的非侵入性,长期的粘膜免疫.
- 通过双尺度微球设计,克服肺部障碍并提高疫苗的有效性.
主要方法:
- 开发了可吸入的多孔微球 (pMS),具有特定的空气动力学和几何尺寸,用于深层肺沉积和逃避细胞化.
- 使用单一的食品和药物管理局批准的材料用于疫苗配方.
- 在临床前模型中研究了透,抗原/辅助剂释放和单次吸入后的免疫反应诱导.
主要成果:
- 单次吸入pMS疫苗诱导了持久的粘膜免疫,维持高IgG和IgA水平一年.
- 疫苗增强了肺部的组织内存T细胞,并促进了生殖中心的扩张.
- 在各种临床前肺癌模型中证明了对肺瘤转移和治疗潜力的显著长期保护效果.
结论:
- 开发的PMS疫苗平台提供了单剂量,非侵入性策略,以实现长期的肺免疫和预防转移.
- 该平台具有可扩展性,稳定性和临床可翻译性,为各种肺相关疾病提供了多功能治疗方法.
- 这种创新的疫苗技术解决了肺部药物输送和免疫治疗的关键挑战.
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