pectin在优化口服输送的阴阳性脂质体中的作用
Anitta Lutta1,2, Miquel Martínez-Navarrete3, Matteo Tollemeto1
1Department of Health Technology, Technical University of Denmark, Ørsteds Plads 345C, 2800 Kgs. Lyngby, Denmark.
ACS applied bio materials
|February 28, 2026
概括
蛋白涂层增强了口服输送的脂质体稳定性,保护它们免受降解,并改善了肠道中的保留. 这种涂有点氨酸的脂质体系统对粘膜疫苗配方有很大的前景.
科学领域:
- 制药科学 制药科学
- 生物材料科学 生物材料科学
- 药物运输 药物运输 药物运输
背景情况:
- 脂质体对于药物和疫苗的输送至关重要,但在胃肠道中面临稳定性挑战,阻碍了口服.
- 优化脂质体的口服输送需要策略,以提高其稳定性,并确保有效的粘膜相互作用.
研究的目的:
- 为了研究丁涂层的化脂质体对增强粘膜传递的潜力.
- 评估不同类型的pectin (LM,LMA,HM) 对脂质体稳定性,粘素相互作用和细胞吸收的影响.
主要方法:
- 用低甲基氧化 (LM),低甲基氧化胺基 (LMA) 或高甲基氧化 (HM) 质素覆盖阴阳辅助剂配方 (CAF04) 脂质体.
- 在模拟的肠液中评估*in vitro*的稳定性,粘素相互作用和在人造粘液中扩散性.
- 评估大鼠的*in situ*肠内保留和巨类细胞吸收.
主要成果:
- 丁涂层显著提高了脂质体的稳定性,防止在模拟的肠液中过早降解.
- LM和LMA-pectin涂层提供了一种保护性缓冲,防止过度的粘素复合.
- 佩涂层脂质体表现出保留的肠道存在,并没有阻碍巨细胞的吸收,表明其功能得到保护.
结论:
- 素是开发稳定的粘膜输送系统的有效辅助剂,特别是用于基于脂质体的口服疫苗.
- 丁涂层可以减轻与胆汁盐和粘膜的不良相互作用,同时保持细胞吸收效率.
- 这项研究强调了涂有点氨酸的脂质体作为口腔粘膜输送应用的有希望的策略.
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