开发Ac2-26中孔微粒系统作为炎症性肠病的潜在治疗剂
Milena Fronza Broering1,2, Pedro Leonidas Oseliero Filho3,4, Pâmela Pacassa Borges1
1Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil.
这项研究开发了一种新的口服输送系统,用于抗炎性Ac2-26,使用中孔纳米颗粒. 这种方法有效地减少了炎症,并在炎症性肠病 (IBD) 模型中改善了肠道愈合.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术 纳米技术
- 胃肠病学 胃肠病学
背景情况:
- 炎症性肠道疾病 (IBD) 导致慢性肠道炎症,目前的治疗方法通常是无效的或引起不良影响.
- 附录素A1 (AnxA1) 和其模仿对IBD的抗炎和组织修复有前途.
- 开发这些治疗剂的有效,非侵入性输送方法至关重要.
研究的目的:
- 开发和评估AnxA1 N端模仿性Ac2-26.6的口服输送系统.
- 研究该系统在治疗小鼠中德克斯硫酸诱导的大肠炎的疗效.
主要方法:
- 酸Ac2-26被纳入SBA-15半孔纳米颗粒中,并涂上EL30D-55用于口服.
- 该系统,Eudragit-SBA-15-Ac2-26,被口服给患有诱导性大肠炎的小鼠.
- 评估了细胞吸收和对炎症和上皮恢复的治疗效果.
主要成果:
- 开发的系统证明了高效的合 (88%) 和粒子自组装.
- 在小鼠中,口服Eudragit-SBA-15-Ac2-26显著降低了结肠炎症状,炎症,并促进了上皮质修复.
- 被成功地传递到并对炎症肠道中的巨细胞和上皮细胞起作用.
结论:
- 成功开发了一种简单,经济高效的AC2-26口服输送系统.
- 这种纳米结构方法显示出非侵入性,有效治疗炎症性肠道疾病的巨大潜力.
- 进一步开发可能会导致IBD患者改善治疗策略.
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