Journal
BIOACTIVE MATERIALS
Volume 3, Issue 1, Pages 129-138Publisher
KEAI PUBLISHING LTD
DOI: 10.1016/j.bioactmat.2017.08.004
Keywords
Collagen; Bone regeneration; Composite scaffolds; Biomaterials; Tissue engineering
Funding
- National Natural Science Foundation of China [81672134]
- Science and Technology Commission of Shanghai Municipality [15441 905300, 17510710800, 16DZ0503800]
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Bone is consisted of bone matrix, cells and bioactive factors, and bone matrix is the combination of inorganic minerals and organic polymers. Type I collagen fibril made of five triple-helical collagen chains is the main organic polymer in bone matrix. It plays an important role in the bone formation and remodeling process. Moreover, collagen is one of the most commonly used scaffold materials for bone tissue engineering due to its excellent biocompatibility and biodegradability. However, the low mechanical strength and osteoinductivity of collagen limit its wider applications in bone regeneration field. By incorporating different biomaterials, the properties such as porosity, structural stability, osteoinductivity, osteogenicity of collagen matrixes can be largely improved. This review summarizes and categorizes different kinds of biomaterials including bioceramic, carbon and polymer materials used as components to fabricate collagen based composite scaffolds for bone regeneration. Moreover, the possible directions of future research and development in this field are also proposed. (c) 2017 The Authors. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.
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