Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Health Science Center, Shenzhen University, Shenzhen, China.
Department of Anatomy, Histology & Developmental Biology, Health Science Center, Shenzhen University, Shenzhen, China.
Cell Prolif. 2020 Jan;53(1):e12712. doi: 10.1111/cpr.12712. Epub 2019 Nov 15.
Mesenchymal stem cells (MSCs) can be derived from various adult tissues with multipotent and self-renewal abilities. The characteristics of presenting no major ethical concerns, having low immunogenicity and possessing immune modulation functions make MSCs promising candidates for stem cell therapies. MSCs could promote inflammation when the immune system is underactivated and restrain inflammation when the immune system is overactivated to avoid self-overattack. These cells express many immune suppressors to switch them from a pro-inflammatory phenotype to an anti-inflammatory phenotype, resulting in immune effector cell suppression and immune suppressor cell activation. We would discuss the mechanisms governing the immune modulation function of these cells in this review, especially the immune-suppressive effects of MSCs.
间充质干细胞(MSCs)可来源于多种具有多能性和自我更新能力的成体组织。其特点是不存在重大伦理问题、免疫原性低,并具有免疫调节功能,这使其成为干细胞治疗的有前途的候选者。当免疫系统功能低下时,MSCs 可促进炎症,当免疫系统过度激活时,MSCs 可抑制炎症,以避免自身攻击。这些细胞表达许多免疫抑制剂,将其从促炎表型转换为抗炎表型,从而抑制免疫效应细胞并激活免疫抑制细胞。我们将在本综述中讨论这些细胞的免疫调节功能的调控机制,特别是 MSCs 的免疫抑制作用。
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