间充质干细胞免疫调节的可塑性

被引:16
作者
黄庆雷
魏晓飞
机构
[1] 北京市脐带血造血干细胞库
关键词
间充质干细胞; 可塑性; 免疫调节; 炎症微环境; 极化分型;
D O I
暂无
中图分类号
R329.2 [人体细胞学];
学科分类号
100107 [人体解剖与组织胚胎学(人体解剖学、组织与胚胎学)];
摘要
间充质干细胞(MSCs)因其独特的免疫调节及其他生物学特性,在组织损伤,免疫调控和再生医学领域受到了广泛的研究,并在临床试验中用于治疗一系列免疫相关的疾病.然而,临床试验结果表明,MSCs并不总是产生免疫抑制作用,有时会得到自相矛盾的结果.最近的研究发现,MSCs既可以抑制免疫应答,也可以促进免疫应答,不同的炎症介质会诱导MSCs极化分型并表现出截然相反的免疫调节作用,这一特性称为MSCs免疫调节的可塑性.本文将重点阐述炎症微环境下不同促炎因子的浓度以及自身TLR3和TLR4激活后对MSCs免疫调节可塑性所起的主导作用,特别是NO/IDO可能在MSCs从免疫抑制向免疫促进转变的过程中起到分子开关的作用.深入了解MSCs免疫调节的可塑性和极化分型的概念,可以更好地指导MSCs在临床上的应用.
引用
收藏
页码:799 / 808
页数:10
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