具有水友性-脂友性平衡的工程微粒可以克服肠道屏障,用于口腔治疗应用
Kedong Liu1,2, Pi Zhao1, Yun Chen3
1Wuxi School of Medicine, Jiangnan University, Wuxi, 214000, China.
Materials today. Bio
|October 15, 2025
概括
研究人员从PLA-PEG或PLA-PCB聚合物开发了新型菌体,用于口服药物输送. 这些水友性-脂友性平衡的纳米载体增强细胞吸收和口服药物如帕克利塔塞尔的生物可用性,显示治疗潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 生物医学工程 生物医学工程
背景情况:
- 开发口服纳米载体在平衡粘液透和细胞吸收方面面临挑战.
- 目前的方法通常需要复杂的表面修改,阻碍临床翻译.
研究的目的:
- 为有效的口服药物输送创建简单的,水友性-脂友性平衡的.
- 研究小细胞组成和结构在细胞内化和治疗疗效中的作用.
主要方法:
- 使用聚 (乳酸) -b-聚 (乙烯基醇) (PLA-PEG) 或聚 (乳酸) -b-聚 (碳酸乙) (PLA-PCB) 合成了微粒.
- 微粒大小和聚合物细分比率进行了调整,以暴露疏水性核心.
- 评估了细胞吸收,细胞内贩运,体内/体外成像和口服帕克利塔塞尔的生物可用性.
主要成果:
- 对于PLA-PEG和PLA-PCB菌根体,观察到细胞内部化的增强.
- 疏水性核心暴露被确定为通过时间依赖性内细胞分裂增强细胞吸收的关键.
- 微粒在小肠和结肠中保持良好,帕克利塔塞尔的生物可用性超过29%和显著的抗瘤功效.
- 基于聚 (黄油) 的小在减轻小鼠大肠炎症状方面表现出有效性.
结论:
- 水友性-脂友性平衡的微粒为口腔纳米载体的发展提供了一种简化方法.
- 这些菌体表现出广泛的口服治疗潜力,包括增强药物输送和缓解疾病症状.
- 这些发现表明,这些纳米载体在口服药物输送中具有有希望的临床适用性.
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