Home > Publications database > Maintenance of Ligament Homeostasis of Spheroid-Colonized Embroidered and Functionalized Scaffolds after 3D Stretch > print

001     894339
005     20211102141452.0
024 7 _ |a 10.3390/ijms22158204
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024 7 _ |a 1661-6596
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024 7 _ |a 2128/28410
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100 1 _ |a Gögele, Clemens
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245 _ _ |a Maintenance of Ligament Homeostasis of Spheroid-Colonized Embroidered and Functionalized Scaffolds after 3D Stretch
260 _ _ |a Basel
|c 2021
|b Molecular Diversity Preservation International
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520 _ _ |a Anterior cruciate ligament (ACL) ruptures are usually treated with autograft implantation to prevent knee instability. Tissue engineered ACL reconstruction is becoming promising to circumvent autograft limitations. The aim was to evaluate the influence of cyclic stretch on lapine (L) ACL fibroblasts on embroidered scaffolds with respect to adhesion, DNA and sulphated glycosaminoglycan (sGAG) contents, gene expression of ligament-associated extracellular matrix genes, such as type I collagen, decorin, tenascin C, tenomodulin, gap junctional connexin 43 and the transcription factor Mohawk. Control scaffolds and those functionalized by gas phase fluorination and cross-linked collagen foam were either pre-cultured with a suspension or with spheroids of LACL cells before being subjected to cyclic stretch (4%, 0.11 Hz, 3 days). Stretch increased significantly the scaffold area colonized with cells but impaired sGAGs and decorin gene expression (functionalized scaffolds seeded with cell suspension). Stretching increased tenascin C, connexin 43 and Mohawk but decreased decorin gene expression (control scaffolds seeded with cell suspension). Pre-cultivation of functionalized scaffolds with spheroids might be the more suitable method for maintaining ligamentogenesis in 3D scaffolds compared to using a cell suspension due to a significantly higher sGAG content in response to stretching and type I collagen gene expression in functionalized scaffolds
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700 1 _ |a Hahn, Judith
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700 1 _ |a Breier, Annette
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700 1 _ |a Schröpfer, Michaela
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700 1 _ |a Meyer, Michael
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700 1 _ |a Merkel, Rudolf
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700 1 _ |a Hoffmann, Bernd
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700 1 _ |a Schulze-Tanzil, Gundula
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773 _ _ |a 10.3390/ijms22158204
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856 4 _ |u https://juser.fz-juelich.de/record/894339/files/ijms-22-08204-v2.pdf
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