NDLI: Development and characterisation of a decellularised bovine osteochondral biomaterial for cartilage repair

Content Provider	Springer Nature Link
Author	Fermor, Hazel L. Russell, Serena L. Williams, Sophie Fisher, John Ingham, Eileen
Copyright Year	2015
Abstract	It is proposed that an acellular natural osteochondral scaffold will provide a successful repair material for the early intervention treatment of cartilage lesions, to prevent or slow the progression of cartilage deterioration to osteoarthritis. Here, we investigated the efficacy of methods for the decellularisation of bovine osteochondral plugs. The plugs were subject to four freeze/thaw cycles followed by two cycles of washes in hypotonic solution and low concentration (0.1 % w/v) sodium dodecyl sulphate with protease inhibitors. Plugs were treated with nuclease (DNase and RNase) treatment followed by sterilization in peracetic acid. Full tissue decellularisation was achieved as confirmed by histological analysis and DNA quantification, however the resultant acellular matrix had reduced glycosaminoglycan content which led to an increased percent deformation of cartilage. Furthermore, the acellular scaffold was not reproducibly biocompatible. Additional terminal washes were included in the process to improve biocompatibility, however, this led to visible structural damage to the cartilage. This damage was found to be minimised by reducing the cut edge to cartilage area ratio through decellularisation of larger cuts of osteochondral tissue.
Starting Page	1
Ending Page	11
Page Count	11
File Format	PDF
ISSN	09574530
Journal	Journal of Materials Science: Materials in Medicine
Volume Number	26
Issue Number	5
e-ISSN	15734838
Language	English
Publisher	Springer US
Publisher Date	2015-04-21
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Biomaterials Biomedical Engineering Regenerative Medicine/Tissue Engineering Polymer Sciences Ceramics, Glass, Composites, Natural Methods Surfaces and Interfaces, Thin Films
Content Type	Text
Resource Type	Article
Subject	Biomaterials Biophysics Bioengineering Biomedical Engineering

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