期刊
REGENERATIVE BIOMATERIALS
卷 7, 期 3, 页码 233-245出版社
OXFORD UNIV PRESS
DOI: 10.1093/rb/rbaa006
关键词
biomaterials; modification; osteoimmunomodulation; macrophage polarization; osteoimmune environment; bone regeneration
资金
- National Natural Science Foundation of China [81873710]
- Guangdong Financial Fund for High-Caliber Hospital Construction [174-2018-XMZC-0001-03-0125/C-05]
- Fundamental Research Funds for the Central Universities [19ykzd15]
- Guangzhou Foundation for Science and Technology Planning Project, China [201704030083]
- Open Fund of Guangdong Provincial Key Laboratory of Oral Diseases, Sun Yat-Sen University [KF2018120102]
- Sun Yat-sen University Science and Technology Achievements Conversion Project [8700018843231]
Biomaterials as bone substitutes are always considered as foreign bodies that can trigger host immune responses. Traditional designing principles have been always aimed at minimizing the immune reactions by fabricating inert biomaterials. However, clinical evidence revealed that those methods still have limitations and many of which were only feasible in the laboratory. Currently, osteoimmunology, the very pioneering concept is drawing more and more attention-it does not simply regard the immune response as an obstacle during bone healing but emphasizes the intimate relationship of the immune and skeletal system, which includes diverse cells, cytokines, and signaling pathways. Properties of biomaterials like topography, wettability, surface charge, the release of cytokines, mediators, ions and other bioactive molecules can impose effects on immune responses to interfere with the skeletal system. Based on the bone formation mechanisms, the designing methods of the biomaterials change from immune evasive to immune reprogramming. Here, we discuss the osteoimmunomodulatory effects of the new modification strategies-adjusting properties of bone biomaterials to induce a favorable osteoimmune environment. Such strategies showed potential to benefit the development of bone materials and lay a solid foundation for the future clinical application.
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