具有可调节螺旋结构的生物灵感异质球体,用于精确有效地控制血糖水平
Kangrui Yuan1, Zhicheng Jia2, Xiaomei Ye3
1National Key Laboratory for the Development and Utilization of Forest Food Resources, Joint Laboratory of Advanced Biomedical Materials (NFU-UGent), Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, China.
Advanced materials (Deerfield Beach, Fla.)
|June 16, 2025
概括
新的螺旋球 (HSs) 为2型糖尿病 (T2DM) 提供了改善的口服药物输送. 这些微刺激球减少低血糖风险,增强生物可用性,改善糖尿病患者的血糖控制.
科学领域:
- 生物材料工程 生物材料工程
- 药物输送系统 药物输送系统
- 纳米技术纳米技术
背景情况:
- 口服抗糖尿病药物是2型糖尿病 (T2DM) 的标准药物,但生物可用性受损可能导致危险的低血糖症.
- 现有的微刺激口服药片面临着释放控制和生物相容性方面的挑战.
研究的目的:
- 设计和评估新的毫米大小的螺旋球 (HS),灵感来自Phacus helicoides,用于改善T2DM的口服药物输送.
- 评估HSs在控制血糖水平和降低低血糖的发生率方面的有效性.
主要方法:
- 设计了带有内螺旋结构的毫米大小的球体,模仿Phacus helicoides的形态和运动.
- 螺旋球 (HSs) 被外部操纵,使用磁场进行可控的混合和药物释放.
- 用HS吸附,催化和释放物质的能力来模仿代谢过程.
主要成果:
- 螺旋形球体展示了可控制的自旋和循环运动,从而实现了高效的混合.
- 在2小时内,HSs有效地降低了T2DM的老鼠的食后血糖水平.
- 药物诱导的低血糖的发病率从14.2-18.6%显著降低,使用glibenclamide,到3.8%使用HSs.
结论:
- 螺旋球是口服药物输送的一个有希望的方法,可以提高生物可用性并减轻T2DM中低血糖的风险.
- HSs的仿生设计为现有的口服抗糖尿病疗法提供了一种可控且可能更具生物相容性的替代方案.
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