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双生物活性分子加载对齐的核心外微纤维用于肌组织工程.

Hongyun Xuan1, Zhuojun Zhang1, Wei Jiang1

  • 1School of Life Sciences, Nantong University, Nantong 226019, PR China.

Colloids and surfaces. B, Biointerfaces
|June 22, 2023
PubMed
概括

这项研究开发了使用聚L-乳酸 (PLLA) 与L-氨酸 (Arg) 和氨酸 (HA) 进行对齐的纤维支架,以增强肌愈合. 这种新型的支架促进细胞活动和肌再生,防止粘附.

关键词:
生物活性分子生物活性分子控制输送的超细纤维制造系统.肌组织工程 肌组织工程

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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:

  • 肌愈合需要先进的策略来控制生物活性分子的输送.
  • 超细纤维系统为组织再生提供了有希望的平台.

研究的目的:

  • 为了开发一个对齐的超细纤维支架,连续释放L-氨酸 (Arg) 和氨酸 (HA),用于肌愈合.
  • 调查这种新型支架在促进肌再生和预防粘附方面的有效性.

主要方法:

  • 乳液稳定的喷射电被用于制造结合的聚-乳酸 (PLLA) 纤维,其中包括Arg和HA.
  • 分析了脚手架的结构,生物活性分子释放动力学和细胞反应 (迁移,增殖).
  • 用大鼠的阿基里斯肌修复模型来评估体内疗效.

主要成果:

  • 对齐的Arg/HA/PLLA支架展示了一个核心外结构,使得Arg和HA的顺序释放.
  • 观察到增强的水友性,细胞迁移,扩散和增殖.
  • 脚手架成功地防止了粘附,并在体内促进了肌再生.

结论:

  • 开发的Arg/HA/PLLA纤维支架代表了一种用于肌再生的新生物模拟策略.
  • 生物活性分子的顺序释放和增强的细胞反应有助于改善肌愈合.
  • 这种方法有可能为肌肉骨组织修复创造先进的生物功能支架.