具有超分子药物负载的可注射阴离子动态水凝重编程中性粒细胞的命运,以缓解糖尿病牙周炎
Qianyu Zhang1, Xiaoyang Luo1, Kehao Liu1
1The Affiliated Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, China.
Materials today. Bio
|December 3, 2025
概括
糖尿病牙周炎是由有害的中性粒细胞外细胞陷 (NETs) 恶化. 一种新的水凝 (ICDH) 针对NETosis和感染,减少炎症和骨损失,以改善治疗.
科学领域:
- 生物材料科学 生物材料科学
- 免疫学 免疫学 免疫学
- 牙周病学 牙周病学
背景情况:
- 糖尿病牙周炎是耐火的,因为具有组织破坏性的中性粒细胞外细胞陷 (NETs).
- 功能障碍性NETosis和感染加剧牙周组织损伤.
- 细胞亡是一种自然的中性粒细胞循环过程,但过度的NETosis会造成伤害.
研究的目的:
- 开发一种可注射的阴离子动态水凝 (ICDH),用于针对糖尿病牙周炎的病态NETosis和失生性感染.
- 为了同时提供免疫调节剂 (酸和甲胺),使用超分子药物负载.
- 评估ICDH在对抗感染,减少炎症和预防骨质损失方面的有效性.
主要方法:
- 通过将基酸移植到聚-L-氨酸上并与聚乙烯醇进行交叉连接来设计ICDH.
- 荷载的基酸和甲福林通过免疫调节的超分子相互作用.
- 在糖尿病牙周炎模型中评估了ICDH的抗菌活性,生物相容性,抗炎作用和骨损失减弱.
- 利用宿主转录组学和双RNA-seq来阐明潜在的机制.
主要成果:
- ICDH证明了强大的组织粘附性和微环境响应性 (pH/葡萄糖/ROS).
- 实现了针对S.的广泛抗菌疗效. 黄金色,E. 黄金色 大肠杆菌和P. coli,以及P. 牙 (Gingivalis) 是一个牙.
- 显著减轻牙周炎症和膜骨损失.
- ICDH将中性粒细胞从NETosis重编程为apoptosis,并抑制了骨质细胞形成.
- 调节宿主-微生物氨酸代谢,恢复界面平衡.
结论:
- 通过向NETosis和感染,ICDH为耐火性糖尿病牙周炎提供了一种新的治疗策略.
- 水凝促进了免疫微生物交叉调节,改善了治疗结果.
- ICDH提出了一种临床可转换和可部署的解决方案,用于糖尿病牙周炎的管理.
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