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Hollow quaternized chitosan microspheres increase the therapeutic effect of orally administered insulin.

机译:中空季铵化壳聚糖微球增加口服给药胰岛素的治疗效果。

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摘要

The delivery of insulin by non-parenteral routes has gained significant attention over the last two decades. In the present study, we prepared hollow quaternized chitosan microspheres by the SPG membrane emulsification technique and glutaraldehyde cross-linking method. The structural properties, as well as the uniform size and autofluorescence, enabled us to develop oral delivery of insulin which conserved the bioactivity of the encapsulated insulin, achieving bioadhesion of microspheres, increasing the loading ability and optimizing the release profile. In vivo evaluation also saw an optimal reduction in blood glucose level and powerful therapeutic effects after treatment with the designed microspheres, which further confirmed the feasibility of using hollow quaternized chitosan microspheres as insulin carriers for oral administration.
机译:在过去的二十年中,非肠外航线的胰岛素的递送效率显着。 在本研究中,我们通过SPG膜乳化技术和戊二醛交联方法制备中空季铵化壳聚糖微球。 结构性质以及均匀的尺寸和自发荧光,使我们能够发展胰岛素的口服递送,这些胰岛素保守包封胰岛素的生物活性,实现微球的生物粘度,增加负载能力并优化释放曲线。 在体内评估中,在用设计的微球处理后,血糖水平和强大的治疗效果中也看到了最佳的降低,这进一步证实了使用中空季铵化壳聚糖微球作为口服给药的胰岛素载体的可行性。

著录项

  • 来源
    《Acta biomaterialia》 |2010年第1期|共5页
  • 作者

    Wei W; Ma GH; Wang L;

  • 作者单位

    National Key Laboratory of Biochemical Engineering Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 China.;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 生物医学工程;
  • 关键词

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