IL-12p35 induces expansion of IL-10 and IL-35-expressing regulatory B cells and ameliorates autoimmune disease.

IL-12p35 induces expansion of IL-10 and IL-35-expressing regulatory B cells and ameliorates autoimmune disease.
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DOI:
10.1038/s41467-017-00838-4
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发表时间:
2017-09-28
影响因子:
16.6
通讯作者:
Egwuagu CE
Egwuagu CE
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Dambuza IM;He C;Choi JK;Yu CR;Wang R;Mattapallil MJ;Wingfield PT;Caspi RR;Egwuagu CE

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白介素35(IL-35)是由IL-12p35和Ebi3亚基组成的异二聚体细胞因子。IL-35通过将静止的B和T细胞转化为产生IL-10和IL-35的调节性B细胞(Breg)和T细胞(Treg)来抑制自身免疫性疾病,同时防止宿主对感染的防御,并促进肿瘤的生长和转移。尽管IL-12p35亚基相同,但IL-12(IL-12p35/IL-12p40)促进炎症反应,而IL-35(IL-12p35/Ebi3)则诱导调节反应,提示IL-12p35可能具有未知的内在免疫调节功能,受其异二聚体的调节。在这里,我们表明IL-12p35亚基具有免疫调节功能,迄今归因于IL-35。IL-12p35抑制淋巴细胞增殖,诱导表达IL-10和IL-35的B细胞扩张,并通过拮抗致病性Th17反应而改善自身免疫性葡萄膜炎。总结IL-35的基本免疫抑制活性,提示IL-12p35可用于Breg细胞的体内扩增和自体Breg细胞免疫治疗。此外,我们的葡萄膜炎数据表明,其他单链IL-12亚单位的内在免疫调节活性可能被用于治疗其他自身免疫性疾病。IL-12p35与IL-35和IL-12同源,而IL-35和IL-12的抗炎作用相反。在这里,作者证明了IL-12p35亚基可以诱导调节性B细胞,并可用于治疗限制小鼠的自身免疫性葡萄膜炎。
Interleukin 35 (IL-35) is a heterodimeric cytokine composed of IL-12p35 and Ebi3 subunits. IL-35 suppresses autoimmune diseases while preventing host defense to infection and promoting tumor growth and metastasis by converting resting B and T cells into IL-10-producing and IL-35-producing regulatory B (Breg) and T (Treg) cells. Despite sharing the IL-12p35 subunit, IL-12 (IL-12p35/IL-12p40) promotes inflammatory responses whereas IL-35 (IL-12p35/Ebi3) induces regulatory responses, suggesting that IL-12p35 may have unknown intrinsic immune-regulatory functions regulated by its heterodimeric partner. Here we show that the IL-12p35 subunit has immunoregulatory functions hitherto attributed to IL-35. IL-12p35 suppresses lymphocyte proliferation, induces expansion of IL-10-expressing and IL-35-expressing B cells and ameliorates autoimmune uveitis in mice by antagonizing pathogenic Th17 responses. Recapitulation of essential immunosuppressive activities of IL-35 indicates that IL-12p35 may be utilized for in vivo expansion of Breg cells and autologous Breg cell immunotherapy. Furthermore, our uveitis data suggest that intrinsic immunoregulatory activities of other single chain IL-12 subunits might be exploited to treat other autoimmune diseases. IL-12p35 is common to IL-35 and IL-12, which have opposing effects on inflammation. Here the authors show that the IL-12p35 subunit induces regulatory B cells and can be used therapeutically to limit autoimmune uveitis in mice.
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发表时间: 1990-06-01
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DOI: 10.1371/journal.pone.0045801
发表时间: 2012-09-20
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