期刊
JOURNAL OF CONTROLLED RELEASE
卷 193, 期 -, 页码 282-295出版社
ELSEVIER
DOI: 10.1016/j.jconrel.2014.04.026
关键词
Mesoporous bioglass; Therapeutic ions; Drug/growth factor delivery; Bone tissue engineering; Osteogenesis; Angiogenesis
资金
- Recruitment Program of Global Young Talent, China
- Shanghai Pujiang Talent Program [12PJ1409500]
- National Natural Science Foundation of China [31370963, 81201202, 81190132]
- innovative project of SIC and CAS
Regeneration of large-size bone defects represents a significant challenge clinically, which requires the use of scaffolds with multifunction, such as anti-bacterial activity, and stimulation of osteogenesis and angiogenesis. It is known that functional ions or drug/growth factors play an important role to stimulate tissue regeneration. Mesoporous bioactive glasses (MBG) possess excellent bioactivity and drug-delivery ability as well as effective ionic release in the body fluids microenvironment due to its specific mesoporous structure and large surface area. For these reasons, functional ions (e.g. lithium (Li), strontium (Sr), Copper (Cu) and Boron (B)) and drug/growth factors (e.g. dexamethasone, vascular endothelial growth factor (VEGF) and bone morphogenetic protein (BMP)) have been incorporated into MBG, which shows high loading efficiency and effective release. The release of therapeutic ions and drug/growth factors from MBG offers it multifunctional properties, such as improved osteogenesis, angiogenesis, anti-bacterial/cancer activity. However, there is no a systematic review about delivery of therapeutic ions and drugs/growth factors from MBG for the functional effect on the tissue regeneration despite that significant progress has been achieved in the past five years. Therefore, in this review, we mainly focused on the new advances for the functional effect of delivering therapeutic ions and drugs/growth factors on the ostegeogenesis, angiogenesis and antibacterial activity. It is expected that the review will offer new concept to develop multifunctional biomaterials for bone regeneration by the synergistic effect of therapeutic ions and drug/growth factors. (C) 2014 Elsevier B.V. All rights reserved.
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