期刊
JOURNAL OF ORTHOPAEDIC TRANSLATION
卷 3, 期 3, 页码 95-104出版社
ELSEVIER
DOI: 10.1016/j.jot.2015.05.002
关键词
animal models; bone defect; bone regeneration; bone substitutes
类别
资金
- NSFC-DG-RTD Joint Scheme [51361130034]
- European Union's [NMP3-SL-2013-604517]
- NSFC [51203178]
- Shenzhen Fundamental Research Foundation [JCYJ20120617114912864]
Large bone defects are serious complications that are most commonly caused by extensive trauma, tumour, infection, or congenital musculoskeletal disorders. If nonunion occurs, implantation for repairing bone defects with biomaterials developed as a defect filler, which can promote bone regeneration, is essential. In order to evaluate biomaterials to be developed as bone substitutes for bone defect repair, it is essential to establish clinically relevant in vitro and in vivo testing models for investigating their biocompatibility, mechanical properties, degradation, and interactional with culture medium or host tissues. The results of the in vitro experiment contribute significantly to the evaluation of direct cell response to the substitute biomaterial, and the in vivo tests constitute a stepmidway between in vitro tests and human clinical trials. Therefore, it is essential to develop or adopt a suitable in vivo bone defect animal model for testing bone substitutes for defect repair. This review aimed at introducing and discussing the most available and commonly used bone defect animal models for testing specific substitute biomaterials. Additionally, we reviewed surgical protocols for establishing relevant preclinical bone defect models with various animal species and the evaluation methodologies of the bone regeneration process after the implantation of bone substitute biomaterials. This review provides an important reference for preclinical studies in translational orthopaedics. Copyright (C) 2015, The Authors. Published by Elsevier (Singapore) Pte Ltd. This is an open access article under the CC BY-NC-ND license.
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