Mice deficient for CCR6 fail to control chronic experimental autoimmune encephalomyelitis.
Mice deficient for CCR6 fail to control chronic experimental autoimmune encephalomyelitis.
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DOI:
10.1016/j.jneuroim.2009.05.011
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发表时间:
2009-08-18
影响因子:
3.3
通讯作者:
Karpus WJ
中科院分区:
文献类型:
--
作者:
Elhofy A;Depaolo RW;Lira SA;Lukacs NW;Karpus WJ
Chemokines are a superfamily of chemotactic cytokines that play an important role in leukocyte trafficking and have been implicated as functional mediators of immunopathology in experimental autoimmune encephalomyelitis (EAE). In the present study, we investigated the role of the CCL20 receptor, CCR6, in chronic EAE. After immunization with myelin oligodendrocyte glycoprotein 35–55 in CFA, CCR6-/- mice developed a significantly more severe chronic EAE as compared to wild type immunized animals. CCR6 expression was not required by T cells to induce EAE. Measurement of peripheral T cell responses showed differences in IFN-γ and IL-17 responses between CCR6-/- and wild type mice. At the time when CCR6-/- mice showed significantly more severe chronic EAE there was a significant decrease in PD-L1-expressing mDC in the spleens and no differences in Foxp3 Treg. Furthermore, add back of mDC with increased PD-L1 expression to CCR6-/- mice reduced the severe chronic EAE disease phase to that of wild type controls. The results suggest a role for CCR6-expressing PD-L1+ mDC in regulating EAE progression.
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DOI:
10.1084/jem.20061577
发表时间:
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期刊:
The Journal of experimental medicine
影响因子:
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作者:
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