Controlled Release Strategies for Bone, Cartilage, and Osteochondral Engineering—Part II: Challenges on the Evolution from Single to Multiple Bioactive Factor Delivery

The development of controlled release systems for the regeneration of bone, cartilage, and osteochondral interface is one of the hot topics in the field of tissue engineering and regenerative medicine. However, the majority of the developed systems consider only the release of a single growth factor...

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Bibliographic Details
Published in:Tissue engineering. Part B, Reviews Reviews, 2013-08, Vol.19 (4), p.327-352
Main Authors: Santo, Vítor E., Gomes, Manuela E., Mano, João F., Reis, Rui L.
Format: Article
Language:English
Subjects:
Animals
Bone and Bones
Bone Substitutes - therapeutic use
Bones
Cartilage
Cytokines - chemistry
Cytokines - therapeutic use
Drug Delivery Systems
Humans
Osseointegration
Review
Review Articles
Tissue engineering
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Summary:The development of controlled release systems for the regeneration of bone, cartilage, and osteochondral interface is one of the hot topics in the field of tissue engineering and regenerative medicine. However, the majority of the developed systems consider only the release of a single growth factor, which is a limiting step for the success of the therapy. More recent studies have been focused on the design and tailoring of appropriate combinations of bioactive factors to match the desired goals regarding tissue regeneration. In fact, considering the complexity of extracellular matrix and the diversity of growth factors and cytokines involved in each biological response, it is expected that an appropriate combination of bioactive factors could lead to more successful outcomes in tissue regeneration. In this review, the evolution on the development of dual and multiple bioactive factor release systems for bone, cartilage, and osteochondral interface is overviewed, specifically the relevance of parameters such as dosage and spatiotemporal distribution of bioactive factors. A comprehensive collection of studies focused on the delivery of bioactive factors is also presented while highlighting the increasing impact of platelet-rich plasma as an autologous source of multiple growth factors.
ISSN:1937-3368
1937-3376
DOI:10.1089/ten.teb.2012.0727