Increase of Intermediate Monocytes in Graft-versus-Host Disease: Correlation with MDR1+Th17.1 Levels and the Effect of Prednisolone and 1α,25-Dihydroxyvitamin D3.
Increase of Intermediate Monocytes in Graft-versus-Host Disease: Correlation with MDR1+Th17.1 Levels and the Effect of Prednisolone and 1α,25-Dihydroxyvitamin D3.
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移植物抗宿主病中中间单核细胞的增加:与 MDR1 Th17 1 水平的相关性以及泼尼松龙和 1α,25-二羟基维生素 D3 的作用
DOI:
10.1016/j.bbmt.2017.08.008
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发表时间:
2017
期刊:
影响因子:
--
通讯作者:
Holzer U
中科院分区:
文献类型:
--
作者:
Reinhardt-Heller K;Hirschberg I;Lang P;Vogl T;Handgretinger R;Wolfgang A. Bethge W;Holzer U
Graft-versus-host disease (GVHD) remains one of the major complications after allogeneic hematopoietic stem cell transplantation that is mainly treated with glucocorticoids such as prednisolone. In this study the influence of monocyte subpopulations, prednisolone, and 1α,25-dihydroxyvitamin D3 (1α,25-(OH)2D3) on the induction of a proinflammatory subset of Th17 cells (MDR+Th17.1) characterized by CCR6+CXCR3hiCCR4loCCR10−CD161+and stable expression of the multidrug resistance protein type 1 (MDR1) was investigated. Our results demonstrate that intermediate monocytes are increased in patients with acute GVHD, promoting the induction of proinflammatory MDR1+Th17.1 cells. Furthermore, prednisolone induces the development of MDR1+Th17.1 cells, whereas 1α,25-(OH)2D3 acts as an anti-inflammatory, leading to diminished percentages of proinflammatory MDR1+Th17.1 cells in the presence of prednisolone after stimulation with the TLR4-ligand S100A8/S100A9. Moreover, 1α,25-(OH)2D3 decreased the expression level of the targets JAK2 and CD74, both associated with T cell activation, in monocytes. Thus, in steroid-resistant GVHD, 1α,25-(OH)2D3 could be an important regulator in monocyte-induced development of proinflammatory MDR1+Th17.1 cells and might therefore be a potential therapeutic agent in combination with glucocorticoids for GVHD treatment.
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