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首页> 外文期刊>Nanoscience and Nanotechnology Letters >Poly(3-Hydroxybutyrate-co-4-Hydroxybutyrate) Simulated Cartilage Lacunae Scaffold Promotes Cell Proliferation and Cartilage Repair
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Poly(3-Hydroxybutyrate-co-4-Hydroxybutyrate) Simulated Cartilage Lacunae Scaffold Promotes Cell Proliferation and Cartilage Repair

机译:聚(3-羟基丁酸酯-CO-4-羟基丁酸酯)模拟软骨LECUNAE支架促进细胞增殖和软骨修复

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摘要

The management of chondral defects is a challenging issue for scientists and surgeons. Herein, in order to simulate the microenvironment of the cartilage in vivo, we reported the fabrication and characterization of the bio-plasticpoly-3-hydroxybutyrate-4-hydroxybutyrate (P34HB) simulated cartilage lacunae scaffold. The characteristics of scaffold were tested by scanning electron microscopy (SEM) and atomic force microscopy (AFM). Cell morphologies on scaffold were obtained using SEM and fluorescence microscopy. To investigate the safety and biological compatibility of the scaffold, cell adhesion and proliferation on scaffold were conducted using MTT and CCK-8 assays, respectively. Furthermore, full cartilage defects in rats were created and scaffolds were implanted to evaluate the healing effects within 8 weeks. This project provides new ideas and methods for the design and construction of cartilage repair scaffolds, which serves as useful reference in cartilage tissue engineering research.
机译:科学家和外科医生的管理层是一个具有挑战性的问题。在此,为了模拟体内软骨的微环境,我们报道了生物塑料-3-羟基丁酸酯-4-羟基丁酸酯(P34HB)模拟软骨裂纹支架的制造和表征。通过扫描电子显微镜(SEM)和原子力显微镜(AFM)测试支架的特性。使用SEM和荧光显微镜获得支架上的细胞形态。为了研究支架的安全性和生物相容性,分别使用MTT和CCK-8测定进行支架上的细胞粘附和增殖。此外,创建大鼠的全软骨缺陷,植入支架以在8周内评估愈合效果。该项目为软骨修复支架的设计和构建提供了新的思路和方法,这是软骨组织工程研究中的有用参考。

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