3D Printed Platelet-Rich Plasma-Loaded Scaffold with Sustained Cytokine Release for Bone Defect Repair

The combination of three-dimensional (3D) printed scaffold materials and various cytokines can achieve the purpose of tissue reconstruction more efficiently. In this study, we prepared platelet-rich plasma (PRP)/gelatin microspheres combined with 3D printed polycaprolactone/β-tricalcium phosphate sc...

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Veröffentlicht in:Tissue engineering. Part A 2022-08, Vol.28 (15-16), p.7-711
Hauptverfasser: Liu, Chun, Peng, Ziyue, Xu, Haixia, Gao, Huiling, Li, Jianjun, Jin, Yanglei, Wang, Yihan, Wang, Chengqiang, Liu, Yang, Hu, Yunteng, Jiang, Cong, Guo, Jiasong, Zhu, Lixin
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container_end_page 711
container_issue 15-16
container_start_page 7
container_title Tissue engineering. Part A
container_volume 28
creator Liu, Chun
Peng, Ziyue
Xu, Haixia
Gao, Huiling
Li, Jianjun
Jin, Yanglei
Wang, Yihan
Wang, Chengqiang
Liu, Yang
Hu, Yunteng
Jiang, Cong
Guo, Jiasong
Zhu, Lixin
description The combination of three-dimensional (3D) printed scaffold materials and various cytokines can achieve the purpose of tissue reconstruction more efficiently. In this study, we prepared platelet-rich plasma (PRP)/gelatin microspheres combined with 3D printed polycaprolactone/β-tricalcium phosphate scaffolds to solve the key problem that PRP cannot be released under control and the release time is too short, and thus better promote bone repair. Consequently, the composite scaffold displayed a good mechanical property and sustained cytokine release for ∼3 weeks. Increased survival, proliferation, migration, and osteogenic and angiogenic differentiation of bone marrow mesenchymal stem cells were observed compared with the control groups. The in vivo study demonstrated that the composite scaffold with PRP/gelatin microspheres led to greater positive effects in promoting large bone defect repair. In conclusion, in this study, a new type of PRP long-term sustained-release composite scaffold material was constructed that effectively improved the survival, proliferation, and differentiation of cells in the transplanted area, thereby better promoting the repair of large bone defects.
doi_str_mv 10.1089/ten.tea.2021.0211
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source Alma/SFX Local Collection
subjects Angiogenesis
Blood vessels
Bone healing
Bone marrow
Calcium phosphates
Cell differentiation
Cell proliferation
Controlled release
Cytokines
Gelatin
Mesenchyme
Microspheres
Original Articles
Osteogenesis
Platelets
Polycaprolactone
Stem cells
Tricalcium phosphate
title 3D Printed Platelet-Rich Plasma-Loaded Scaffold with Sustained Cytokine Release for Bone Defect Repair
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