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Fibrocartilage extracellular matrix augmented demineralized bone matrix graft repairs tendon-to-bone interface in a rabbit tendon reconstruction model

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dc.contributor.authorYun, HW-
dc.contributor.authorJin, YJ-
dc.contributor.authorShin, DI-
dc.contributor.authorNoh, S-
dc.contributor.authorKim, KM-
dc.contributor.authorPark, JY-
dc.contributor.authorLim, S-
dc.contributor.authorPark, DY-
dc.date.accessioned2023-07-06T06:02:51Z-
dc.date.available2023-07-06T06:02:51Z-
dc.date.issued2023-
dc.identifier.issn2772-9516-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/26137-
dc.description.abstractCurrent tendon/ligament reconstructions integrate via scar tissue rather than proper bone-tendon interface regeneration, which affects graft longevity, changes in bone tunnel size, and functional outcomes. The purpose of this study was to develop a functional demineralized bone matrix (DBM) + fibrocartilage extracellular matrix (FCECM) composite scaffold, characterize its physicochemical properties, and evaluate its efficacy in repairing tendon-bone interface in a rabbit tendon reconstruction model. Solubilized FCECM was loaded and crosslinked on to DBM scaffolds via gamma-irradiation to create DBM + FCECM scaffolds. The resulting scaffold showed interconnected pores coated with FCECM and protein cargo similar to FCECM. The addition of FCECM modified the physicochemical properties of the DBM scaffold, including microstructure, biochemical composition, mechanical strength, thermodynamic properties, and degradation period. The DBM + FCECM scaffold was biocompatible for mesenchymal stem cells (MSCs) and resulted in elevation of fibrochondrogenic gene markers compared to DBM scaffolds in vitro. In vivo implantation of DBM + FCECM scaffold resulted in neofibrocartilage formation, better pullout strength, and less bone tunnel widening compared to DBM only group in a rabbit tendon reconstruction model. In conclusion, the FCECM augmented DBM scaffold repairs the tendon-bone interface with osseous-fibrocartilage tissue, which may be utilized to improve current tendon reconstruction surgeries.-
dc.language.isoen-
dc.titleFibrocartilage extracellular matrix augmented demineralized bone matrix graft repairs tendon-to-bone interface in a rabbit tendon reconstruction model-
dc.typeArticle-
dc.identifier.pmid37343332-
dc.subject.keywordDecellularization-
dc.subject.keywordDemineralized bone matrix-
dc.subject.keywordFibrocartilage-
dc.subject.keywordScaffold-
dc.subject.keywordTendon-to-bone interface-
dc.contributor.affiliatedAuthorLim, S-
dc.contributor.affiliatedAuthorPark, DY-
dc.type.localJournal Papers-
dc.identifier.doi10.1016/j.bioadv.2023.213522-
dc.citation.titleBiomaterials advances-
dc.citation.volume152-
dc.citation.date2023-
dc.citation.startPage213522-
dc.citation.endPage213522-
dc.identifier.bibliographicCitationBiomaterials advances, 152. : 213522-213522, 2023-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.identifier.eissn2772-9508-
dc.relation.journalidJ027729516-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Orthopedic Surgery
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