同电聚 ((ε-Caprolactone) /Zein 关节软骨支架 关节软骨支架
Andre M Souza Plath1, Stephanie Huber1, Serena R Alfarano2
1Laboratory for Orthopaedic Technology, ETH Zurich, 8092 Zurich, Switzerland.
Bioengineering (Basel, Switzerland)
|July 29, 2023
概括
新的poly ((ε-caprolactone) /zein支架通过增强软组织整合和tribological特性来改善骨关节炎的治疗. 这些仿生材料显示细胞活动增加和冠状细胞扩散,用于更好的关节组织工程.
科学领域:
- 生物材料科学 生物材料科学
- 组织工程是组织工程.
- 整形外科 整形外科 整形外科
背景情况:
- 骨关节炎的基架植入通常由于软组织的整合不佳和 tribological 属性的不足而失败.
- 开发先进的生物材料对于成功修复和再生关节软骨至关重要.
研究的目的:
- 开发和表征电聚-ε-caprolactone) /zein (PCL/zein) 支架,以增强关节组织工程的仿生能力.
- 评估这些新型支架的表面性质和生物相容性,使用初级牛肉色素细胞.
主要方法:
- 使用富里埃变换红外光谱 (FTIR),X射线光电子光谱 (XPS),水接触角测量和形状测量分析了脚手架表面.
- 生物相容性通过测量牛体红细胞的蛋白质吸附,细胞扩散 (F-actin染色) 和代谢活性 (PrestoBlueTM测定) 来评估.
主要成果:
- 齐恩表面分离显著改变了材料的疏水性,将水接触角度从125°降低到60°.
- 加入赛因可将蛋白质吸附量减少一半,并增强淋巴细胞的代谢活动和扩散.
- PCL/zein支架的表面纳米粗性进一步促进了辐射细胞的扩散.
结论:
- 同电的PCL/zein支架表现出有希望的表面性能和增强的生物相容性.
- 这些支架展示了通过解决整合和部落学挑战来改善关节组织工程应用的潜力.
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