用于密封和修复胃孔的内镜可输出的水凝干粉
Panxianzhi Ni1, Dengbinpei Duan2, Dan Luo3
1National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China; School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, China.
Acta biomaterialia
|August 31, 2025
概括
一种新型的水凝干粉,PPCL@Mg,为胃穿孔 (GP) 治疗提供了最小侵入性的解决方案. 这种可喷的粉末形成一个强大的水凝, 密封穿孔, 促进比传统方法更快的愈合.
科学领域:
- 生物材料科学
- 胃肠病学
- 最少的入侵性手术
背景情况:
- 胃穿孔是一种危及生命的疾病,需要有效的密封和治愈.
- 目前的治疗方法,如接和内镜关闭,在完成穿孔修复方面存在局限性.
- 在临床上,医生需要先进的治疗策略.
研究的目的:
- 开发和评估一种用于最小侵入性胃穿孔治疗的新型水凝干粉 (PPCL@Mg).
- 在临床前模型中评估PPCL@Mg在密封穿孔和促进愈合方面的有效性.
- 阐明PPCL@Mg在胃穿孔修复中的治疗机制.
主要方法:
- 开发一种具有特定功能性质的喷雾式水凝干粉 (PPCL@Mg).
- 使用老鼠和猪胃穿孔模型进行体内评估.
- 对密封效果的评估,促进愈合,并与手术和片进行比较.
- 转录组测序和蛋白质组学分析以了解治疗机制.
主要成果:
- 在喷时,PPCL@Mg迅速形成水凝,即时,坚固,无地封闭胃孔.
- 这种水凝具有强大的粘附性,耐胃液,生物相容性和抗炎性.
- 在体内研究显示PPCL@Mg加速愈合,超过了大鼠的手术和猪的片.
- 机制分析证实促进细胞增殖,血管生成和调节炎症和氧化应激.
结论:
- PPCL@Mg水凝干粉是一种有前途的微创治疗方法,用于胃穿孔.
- 与现有治疗方法相比,该材料具有更好的密封和加快愈合能力.
- 这种基于水凝的新疗法在胃肠急诊中具有显著的临床转化潜力.
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