An update on the Application of Nanotechnology in Bone Tissue Engineering
MF Griffin1, 2, *, DM Kalaskar1, 2, A. Seifalian1, 2, PE Butler1, 2
1 University College London, Centre for Nanotechnology & Regenerative Medicine, UCL Division of Surgery & Interventional Science, London, UK
2 Department of Plastic and Reconstructive Surgery, Royal Free Hampstead NHS Trust Hospital, London, UK
Abstract
Background:
Natural bone is a complex and hierarchical structure. Bone possesses an extracellular matrix that has a precise nano-sized environment to encourage osteoblasts to lay down bone by directing them through physical and chemical cues. For bone tissue regeneration, it is crucial for the scaffolds to mimic the native bone structure. Nanomaterials, with features on the nanoscale have shown the ability to provide the appropriate matrix environment to guide cell adhesion, migration and differentiation.
Methods:
This review summarises the new developments in bone tissue engineering using nanobiomaterials. The design and selection of fabrication methods and biomaterial types for bone tissue engineering will be reviewed. The interactions of cells with different nanostructured scaffolds will be discussed including nanocomposites, nanofibres and nanoparticles.
Results:
Several composite nanomaterials have been able to mimic the architecture of natural bone. Bioceramics biomaterials have shown to be very useful biomaterials for bone tissue engineering as they have osteoconductive and osteoinductive properties. Nanofibrous scaffolds have the ability to provide the appropriate matrix environment as they can mimic the extracellular matrix structure of bone. Nanoparticles have been used to deliver bioactive molecules and label and track stem cells.
Conclusion:
Future studies to improve the application of nanomaterials for bone tissue engineering are needed.
Keywords: Bioceramics, Bone regeneration, Bone tissue engineering, Composite, Nanofibres, Nanoparticles.
Article Information
Article History:
Received Date: 27/01/2016
Revision Received Date: 31/05/2016
Acceptance Date: 31/05/2016
Electronic publication date: 30/12/2016
Collection year: 2016
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* Address correspondence to this author at the University College London, Centre for Nanotechnology & Regenerative Medicine, UCL Division of Surgery & Interventional Science, London, UK; Cell: 020 7794 0500; Tel/Fax: 07825085963; E-mail: 12michellegriffin@gmail.com