Abstract:Skin wound healing is one of the difficult problems in clinical medicine. The long-term wound healing has a great impact on patients and causes huge social and economic burden. Hydrogels have good biocompatibility, biodegradability and plasticity, and have excellent properties of hemostasis, antibacterial and water retention. They are widely used as skin wound dressing. The exosomes derived from stem cells contain the unique contents and membrane components of stem cells. These exosomes have the similar repair function as stem cells, and avoid the safety problems of teratoma and graft immune rejection caused by stem cell therapy, and therefore has become the research hotspot of cell-free repair. However, exosomes in the treatment process will face high clearance rate, short half-life and difficulty in large-scale preparation, which limits the therapeutic effect of exosomes. Hydrogel loaded stem cell exosomes can not only prevent exosome from being rapidly removed, but also play the role of exosome and hydrogel in promoting wound healing, skin repair synergy, and thereafter has potential application value in wound repair research. In this paper, production and characteristics of exosomes, commonly used hydrogel materials, stem cell exosomes from different sources, exosomes extraction and identification methods have been summarized. Furthermore, stem cell exosomes related mechanisms of wound repair, protective and sustained release effects of hydrogel on exosomes, and synergistic effects of hydrogel and exosome are also reviewed. This paper provides a reference for the future research in the field of skin repair.
陶苏皖, 朱链, 许娜. 水凝胶负载干细胞来源的外泌体用于皮肤伤口修复[J]. 中国生物化学与分子生物学报, 2021, 37(8): 1024-1031.
TAO Su-Wan, ZHU Lian, XU Na. Exosomes from Stem Cells Loaded by Hydrogel in Skin Wound Repair. Chinese Journal of Biochemistry and Molecular Biol, 2021, 37(8): 1024-1031.
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