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P34HB film promotes cell adhesion, in vitro proliferation, and in vivo cartilage repair

Fu, Na ; Xie, Jing ; Li, Guo ; Shao, Xiaoru ; Shi, Sirong ; Lin, Shiyu ; Deng, Shuwen ; Sun, Ke ; Lin, Yunfeng

RSC advances, 2015-01, Vol.5 (28), p.21572-21579 [Periódico revisado por pares]

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  • Título:
    P34HB film promotes cell adhesion, in vitro proliferation, and in vivo cartilage repair
  • Autor: Fu, Na ; Xie, Jing ; Li, Guo ; Shao, Xiaoru ; Shi, Sirong ; Lin, Shiyu ; Deng, Shuwen ; Sun, Ke ; Lin, Yunfeng
  • Assuntos: Cartilage ; Cell adhesion ; Defects ; Healing ; Repair ; Scaffolds ; Surgical implants ; Tissue engineering
  • É parte de: RSC advances, 2015-01, Vol.5 (28), p.21572-21579
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: The management of chondral defects is a challenging topic of current interest for scientists and surgeons, which has a crucial impact on human cost. Even after several centuries after its first observation, this problem has still not found a satisfactory and definitive answer. Cartilage tissue engineering, which involves novel natural scaffolds, has emerged as a promising strategy for cartilage regeneration and repair. In this study, bio-plasticpoly-3-hydroxybutyrate-4-hydroxybutyrate (P34HB) film was first fabricated. The characteristics of P34HB film were tested using SEM and AFM. Cell morphologies on P34HB film were obtained using SEM and fluorescence microscopy after cell seeding. The tests of cell adhesion and proliferation on P34HB film were conducted using MTT and CCK-8 assays, respectively. Furthermore, full cartilage defects in rats were created and P34HB films were implanted to evaluate their healing effects within 8 weeks. It was found that P34HB film, as a biomaterial implant, possessed good in vitro properties for cell adhesion, migration, and proliferation. Importantly, in the in vivo experiment, P34HB film exhibited desirable healing outcomes. These results demonstrated that P34HB film was a good scaffold for cartilage tissue engineering for improving cell proliferation and adhesion. The management of chondral defects is a challenging topic of current interest for scientists and surgeons, which has a crucial impact on human cost.
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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