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利用粉为下一代角膜组织工程.

Amin Orash Mahmoudsalehi1, Kevin Stalin Catzim Rios1, Wendy Ortega-Lara1

  • 1Department of Chemistry and Nanotechnology, School of Engineering and Science, Tecnologico de Monterrey, Monterrey, Nuevo Leon 64849, Mexico.

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概括

基于粉的生物材料在角膜组织工程 (CTE) 中表现有前途,为捐赠组织提供了可持续的替代方案. 需要进一步的研究,以优化机械稳定性和降解,用于先进的角膜再生疗法.

关键词:
在3D生物打印中使用3D生物打印生物相容的脚手架.角膜再生 角膜再生角膜组织工程 角膜组织工程光学透明度 光学透明度基于粉的生物材料

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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.
  • 眼科医生 眼科 眼科

背景情况:

  • 角膜移植由于供体组织稀缺,免疫排斥和并发症而面临限制.
  • 角膜组织工程 (CTE) 为角膜修复提供了一个有希望的替代方案.
  • 粉 (ST) 是一种天然的多糖,其生物相容性和可调性特性在CTE支架中得到了探索.

研究的目的:

  • 审查CTE的粉基生物材料的制造方法,结构-性质关系和性能.
  • 评估粉作为用于角膜再生的可持续和具有成本效益的生物材料的潜力.

主要方法:

  • 对各种粉加工技术的分析:水凝形成,电和3D生物打印.
  • 审查使用生物活性分子来提高脚手架性能的功能化策略.
  • 对基于粉的角膜支架进行的"体外"和"体内"研究的评估.

主要成果:

  • 基于粉的支架具有可控制的水分,光学透明度和可修改的机械强度.
  • 功能化的ST支架表现出增强的细胞粘附,增殖和改善的生物力学特性.
  • 与合成生物材料相比,粉提供了经济和环境的好处.

结论:

  • 粉是一种多功能且有前途的生物材料,用于开发下一代角膜再生疗法.
  • 在优化机械稳定性,降解特征和宿主细胞生物整合方面仍然存在挑战.
  • 需要进一步的研究来克服这些挑战,并推进ST在CTE的临床应用.