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European Journal of Trauma and Emergency Surgery

Erschienen in:

09.03.2018 | Original Article

Cultivation of EPC and co-cultivation with MSC on β-TCP granules in vitro is feasible without fibronectin coating but influenced by scaffolds’ design

verfasst von: Philipp Störmann, Juliane Kupsch, Kerstin Kontradowitz, Maximilian Leiblein, René Verboket, Caroline Seebach, Ingo Marzi, Dirk Henrich, Christoph Nau

Erschienen in: European Journal of Trauma and Emergency Surgery | Ausgabe 3/2019

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Abstract

Introduction

Meanwhile, the osteoconductive properties of frequently used synthetic bone grafts can be improved by the use of osteoinductive cells and growth factors. Nevertheless, the cultivation of endothelial progenitor cells (EPC) seems to be difficult and requires a pre-conditioning of the scaffolds with fibronectin. Additionally, the influence of the scaffolds’ design on cell cultivation is not fully elucidated.

Methods

As scaffold, a commercially available β-tricalcium phosphate was used. 5 × 10⁵ EPC, or 5 × 10⁵ MSC or a combination of each 2.5 × 10⁵ cells was seeded onto the granules. We investigated seeding efficiency, cell morphology, cell metabolism, adherence, apoptosis and gene expression of EPC and MSC in this in vitro study on days 2, 6 and 10.

Results

Total number of adherent cells was higher on the β-TCP without fibronectin coating. The number of cells in all approaches significantly declined when a solid β-TCP was used. Metabolic activity of MSC was comparable throughout the scaffolds and increased until day 10. Additionally, the amount of supernatants VEGF was higher for MSC than for EPC.

Discussion

Our results demonstrate that a coating of the scaffold for successful cultivation of EPC in vitro is not necessary. Furthermore, our study showed that structural differences of the scaffolds significantly influenced cell adherence and metabolic activity. Thereby, the influence on EPC seems to be higher than on MSC.

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Titel: Cultivation of EPC and co-cultivation with MSC on β-TCP granules in vitro is feasible without fibronectin coating but influenced by scaffolds’ design
verfasst von: Philipp Störmann
Juliane Kupsch
Kerstin Kontradowitz
Maximilian Leiblein
René Verboket
Caroline Seebach
Ingo Marzi
Dirk Henrich
Christoph Nau
Publikationsdatum: 09.03.2018
Verlag: Springer Berlin Heidelberg
Erschienen in: European Journal of Trauma and Emergency Surgery / Ausgabe 3/2019
Print ISSN: 1863-9933
Elektronische ISSN: 1863-9941
DOI: https://doi.org/10.1007/s00068-018-0935-6

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Cultivation of EPC and co-cultivation with MSC on β-TCP granules in vitro is feasible without fibronectin coating but influenced by scaffolds’ design