Myeloid-Derived Suppressor Cells Protect Mouse Models from Autoimmune Arthritis via Controlling Inflammatory Response

被引:42
作者
Zhang, Lei [1 ]
Zhang, Zhengmei [1 ]
Zhang, Huailiang [2 ]
Wu, Min [3 ]
Wang, Yanxia [1 ]
机构
[1] Jinan Mil Gen Hosp, Dept Nephrol, Jinan 250031, Shandong, Peoples R China
[2] Zouping Hosp Tradit Chinese Med, Dept Nephrol, Zouping 256200, Shandong, Peoples R China
[3] Jinan Second Hosp Tradit Chinese Med, Dept Nephrol, Jinan 250200, Shandong, Peoples R China
关键词
myeloid-derived suppressor cells (MDSCs); autoimmune arthritis; Th17; macrophages; arthritis model; COLLAGEN-INDUCED ARTHRITIS; RHEUMATOID-ARTHRITIS; TH17; CELLS; T-CELLS; MICE; PATHOGENESIS; EXPANSION; DISEASES; NETWORK;
D O I
10.1007/s10753-013-9783-z
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Myeloid-derived suppressor cells (MDSCs) have been reported to participate in immune suppression and autoimmune disorders. However, its role in autoimmune arthritis remains to be determined. We explored whether adoptive transfer of MDSCs in vivo would block joint inflammation and histological damage using collagen-induced arthritis (CIA) and antigen-induced arthritis (AIA) models. CD11b(+) Gr-1(+) MDSCs were isolated from the single cells from the spleens of CIA mice on day 41 or AIA mice on day 35. MDSCs (2 x 10(6)) were then transferred to AIA and CIA mice via tail vein before arthritis establishment at indicated time points. Phosphate buffered saline (PBS) was injected as control. Arthritis was evaluated by severity score and histology. The levels of TNF-alpha, IL-6, IL-17 and IL-10 in the serum and joints were detected by enzyme-linked immunosorbent assay (ELISA). The number of Th17 cells and macrophages in draining lymph nodes and joint tissues was assessed by flow cytometric analysis. Adoptive transfer of MDSCs significantly reduced the clinical score of arthritis, alleviated joint inflammation and histological damage both in AIA and CIA models compared with PBS-treated control groups. The levels of TNF-alpha, IL-6, IL-17, and IL-10 in the serum and joints were down-regulated by transfer of MDSCs. In addition, adoptive transfer of MDSCs significantly reduced the number of Th17 cells and macrophages in draining lymph nodes and joint tissues. Altogether, we demonstrate that adoptive transfer of MDSCs prevented autoimmune arthritis in mouse models of RA through inhibiting Th17 cells and macrophages. These new findings provide insights into the inhibitory functions of MDSCs and MDSCs may be used as a cell-based biotherapy in RA.
引用
收藏
页码:670 / 677
页数:8
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