Casein kinase 2 is a critical determinant of the balance of Th17 and Treg cell differentiation.

Casein kinase 2 is a critical determinant of the balance of Th17 and Treg cell differentiation.
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DOI:
10.1038/emm.2017.132
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发表时间:
2017-09-08
影响因子:
12.8
通讯作者:
Lee GR
Lee GR
中科院分区:
医学2区
文献类型:
--
作者:
Jang SW;Hwang SS;Kim HS;Lee KO;Kim MK;Lee W;Kim K;Lee GR

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Th 17细胞促进炎症反应,而调节性T(Treg)细胞抑制它们。因此,Th 17/Treg细胞平衡在炎性疾病中至关重要。然而,这种平衡背后的分子机制尚不清楚。在这里,我们证明了酪蛋白激酶2(CK 2)是Th 17/Treg细胞平衡的关键决定因素。用特异性药理学抑制剂CX-4945抑制CK 2及其小发夹RNA(shRNA)介导的敲低抑制Th 17细胞分化,但在体外不诱导Treg细胞分化。此外,CX-4945改善了实验性自身免疫性脑脊髓炎的症状,并减少了Th 17细胞向中枢神经系统的浸润。在机制上,CX-4945抑制IL-6/STAT 3和Akt/mTOR信号通路。因此,CK 2在调节Th 17/Treg平衡方面发挥着至关重要的作用。
Th17 cells promote inflammatory reactions, whereas regulatory T (Treg) cells inhibit them. Thus, the Th17/Treg cell balance is critically important in inflammatory diseases. However, the molecular mechanisms underlying this balance are unclear. Here, we demonstrate that casein kinase 2 (CK2) is a critical determinant of the Th17/Treg cell balance. Both the inhibition of CK2 with a specific pharmacological inhibitor, CX-4945, and its small hairpin RNA (shRNA)-mediated knockdown suppressed Th17 cell differentiation but reciprocally induced Treg cell differentiation in vitro. Moreover, CX-4945 ameliorated the symptoms of experimental autoimmune encephalomyelitis and reduced Th17 cell infiltration into the central nervous system. Mechanistically, CX-4945 inhibited the IL-6/STAT3 and Akt/mTOR signaling pathways. Thus, CK2 has a crucial role in regulating the Th17/Treg balance.
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