与基于酸盐的工程组织相关的光生物调制促进了用于软骨再生的细胞衍生的生物反应
Nguyen Le Thanh Hang1, Andrew E-Y Chuang2, Cheng-Jen Chang3
1International Ph.D. Program in Biomedical Engineering, Taipei Medical University, Taipei 110, Taiwan.
International journal of biological macromolecules
|September 28, 2024
概括
这项研究将光生物调制 (PBM) 与酸支架结合起来,以增强软骨再生. 最佳的PBM和支架条件显著促进了肌细胞生长和细胞外基质生产,用于组织工程应用.
科学领域:
- 生物材料科学 生物材料科学
- 再生医学是一种再生医学.
- 组织工程是组织工程.
背景情况:
- 关节软骨的自我愈合能力有限,往往导致骨关节炎.
- 结合光生物调制 (PBM) 的工程组织显示了改善软骨修复的潜力.
- 酸盐支架为软骨组织工程提供了一个有前途的基础.
研究的目的:
- 为了优化酸盐支架的特性,用于软骨再生.
- 为了研究近红外 (NIR) 激光光生物调节对胆红细胞的影响.
- 评估PBM和酸盐支架在软骨修复方面的联合疗效.
主要方法:
- 用不同度的CaCl2制造酸盐支架.
- 在不同的NIR激光波动 (830 nm,2.510 J/cm2) 下评估状细胞的活力和增殖.
- 在二维和三维培养中评估PBM对II型原蛋白,Col2a1表达,糖氨基甘氨酸生产和细胞外囊释放的影响.
主要成果:
- 确定了最佳条件: 3% w/v CaCl2用于脚手架和5 J/cm2用于PBM.
- 单次PBM会话增加了II型原蛋白和Col2a1的表达.
- 多次PBM疗程 (每四天一次) 显著增强了状细胞的增殖和糖氨基糖的产生.
- PBM诱导了分泌颗粒的形成,并增加了细胞外囊泡的释放.
结论:
- 将光生物调节与优化酸盐支架相结合是软骨再生的一个有希望的策略.
- 这种方法可以加速和改进用于组织工程应用的软骨修复.
- 进一步的研究可能会导致骨关节炎治疗的临床应用.
关键词:
阿尔金酸盐的脚手架.软骨的再生和再生冠状细胞的增殖和扩散.冠状细胞衍生的细胞外囊泡.葡萄糖氨基酸甘油的合成摄影生物调制 (Photobiomodulation) 是一种生物调制方法.秘颗粒是一种颗粒.更多相关视频
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