TGF-β-mediated enhancement of T(H)17 cell generation is inhibited by bone morphogenetic protein receptor 1α signaling.
TGF-β-mediated enhancement of T(H)17 cell generation is inhibited by bone morphogenetic protein receptor 1α signaling.
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DOI:
10.1126/scisignal.aar2125
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发表时间:
2018-08-28
影响因子:
7.3
通讯作者:
Kraj P
中科院分区:
文献类型:
--
作者:
Browning LM;Pietrzak M;Kuczma M;Simms CP;Kurczewska A;Refugia JM;Lowery DJ;Rempala G;Gutkin D;Ignatowicz L;Muranski P;Kraj P
The cytokines of the transforming growth factor–β (TGF-β) family promote the growth and differentiation of multiple tissues but the role of only the founding member, TGF-β, in regulating the immune responses has been extensively studied. TGF-β is critical to prevent the spontaneous activation of self-reactive T cells and sustain immune homeostasis. In contrast, in the presence of proinflammatory cytokines, TGF-β promotes the differentiation of effector T helper 17 (TH17) cells. Abrogating TGF-β receptor signaling prevents the development of interleukin-17 (IL-17)–secreting cells and protects mice from TH17 cell–mediated autoimmunity. Here, we found that the receptor of another member of TGF-β family, bone morphogenetic protein receptor 1α (BMPR1α), regulates T helper cell activation. We found that the differentiation of TH17 cells from naïve CD4+ T cells was inhibited in the presence of BMPs. Abrogation of BMPR1α signaling during CD4+ T cell activation induced a developmental program that led to the generation of inflammatory effector cells expressing large amounts of IL-17, IFN-γ, TNF family cytokines, and transcription factors defining the TH17 cell lineage. We found that TGF-β and BMPs co-operated to establish effector cell functions and the cytokine profile of activated CD4+ T cells. Together, our data provide insight into the immunoregulatory function of BMPs.
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