含有胰岛素的粘液惰性纳米颗粒,基于L-氨酸修饰的奇托桑和富科伊丹,用于增强口服输送
Changsheng Gan1, Huiya Li1, Liu Yang1
1Engineering Research Center of Bio-process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, P R China.
这项研究开发了新型的素纳米颗粒,涂上富可伊丹,用于口服胰岛素的输送. 这些纳米粒子有效地保护胰岛素并增强其吸收,从而改善了糖尿病小鼠的血糖控制.
科学领域:
- 生物材料科学 生物材料科学
- 药物运输 药物运输 药物运输
- 纳米技术纳米技术
背景情况:
- 由于胃肠道障碍,口服胰岛素的输送具有挑战性.
- 现有的方法提供有限的治疗效益.
研究的目的:
- 开发和评估基于基托桑的纳米颗粒,以改善口服胰岛素的输送.
- 改善胰岛素在胃肠道的透性和稳定性.
主要方法:
- 基托桑纳米颗粒被L-氨酸修饰并涂上富可伊丹.
- 纳米粒子使用DLS,TEM,EE和LC进行了表征.
- 在糖尿病小鼠中进行了粘膜凝聚,细胞吸收 (CLSM) 和体内研究.
主要成果:
- VCS-INS-FU NPs显示有效的胰岛素保护和持续释放.
- 观察到显著的粘液透性和增强的细胞内化.
- 在体内研究显示出明显而持久的低血糖效应.
结论:
- 用L-氨酸修饰的奇托桑和富可伊丹纳米复合物为口服胰岛素的输送提供了一个有前途的平台.
- 这种粘膜惰性系统克服了有效吸收胰岛素的障碍.
- 开发的纳米颗粒显示出管理糖尿病的潜力.
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