持续的葡萄糖溶解定义了与聚合物植入物相关的病理异物体相关的炎症
Christian Rempe1, Neal Callaghan2, Lauren Fong-Hollohan1
1Department of Microbiology & Immunology, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada.
Science advances
|December 17, 2025
概括
医疗植入物附近的巨细胞依赖于葡萄糖代谢,驱动炎症和纤维化. 准这种糖溶性依赖可以减轻对不可降解医疗器械的不良组织反应.
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
- 细胞的新陈代谢
背景情况:
- 不易降解的聚合物医疗器械可以导致持续的炎症和纤维化.
- 这种围部植入体炎症涉及激活的巨细胞,具有益菌性行为.
- 在这种情况下,巨细胞的代谢调节在很大程度上是未被探索的.
研究的目的:
- 为了研究巨细胞在周围植入物炎症中的代谢依赖性.
- 探索糖解在巨细胞激活和益纤维细胞行为中的作用.
- 确定潜在的代谢标,以减轻植入物相关纤维化.
主要方法:
- 在周围植入物组织中对代谢依赖性和容量的ex vivo分析.
- 对葡萄糖载体1 (GLUT1) 表达的分析.
- 对巨细胞种群的转录基因评估.
- 代谢特征与细胞行为和基因表达的相关性.
主要成果:
- 植入周围组织中的巨细胞在植入后6周内持续依赖糖解.
- 葡萄糖载体1 (GLUT1) 表达式随着时间的推移和接近植入物而增加.
- 在多核性巨细胞中,糖解质依赖性明显,与细胞活性相关.
- 病理性伤口愈合途径的升级与高葡萄糖进口能力相关.
结论:
- 葡萄糖溶解是一种绝对的代谢系统,驱动着持续的植入周炎症.
- 准巨细胞糖解是一种减少医疗植入物周围纤维化的潜在策略.
- 了解细胞代谢对于开发先进生物材料至关重要.
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