骨髓和脂肪来源的间充质干细胞免疫调节作用的比较

被引:9
作者
孙昭 [1 ]
韩钦 [2 ]
赵春华 [2 ]
机构
[1] 中国医学科学院北京协和医学院北京协和医院肿瘤内科
[2] 中国医学科学院北京协和医学院基础医学研究所组织工程研究中心
关键词
骨髓间充质干细胞; 脂肪间充质干细胞; 免疫调节;
D O I
10.16352/j.issn.1001-6325.2012.02.009
中图分类号
R329.28 [];
学科分类号
摘要
目的比较脂肪源间充质干细胞(AMSCs)和骨髓来源间充质干细胞(BMSCs)的免疫调节能力的差异。方法用流式细胞仪分析AMSCs和BMSCs的表型。通过MSCs和淋巴细胞共培养体系,检测MSCs对T细胞增殖、周期、活化、凋亡以及Th细胞分化的影响。结果表型分析结果显示AMSCs和BMSCs的表型基本一致。AMSCs和BMSCs都能抑制T细胞的增殖和早期活化,并在调节辅助性T细胞亚群的分化上作用类似。但在MSC对活化后T细胞的凋亡影响方面,BMSCs能够抑制活化T细胞的凋亡,而AMSC没有这种作用。结论 AMSCs和BMSCs对T淋巴细胞的影响基本类似,其对活化T细胞凋亡影响的差异还有待进一步的机制研究。
引用
收藏
页码:128 / 132
页数:5
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