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Coordination between innate immune cells, type I IFNs and IRF5 drives SLE pathogenesis
Cytokine ( IF 3.7 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.cyto.2019.05.018
Bharati Matta 1 , Betsy J Barnes 2
Affiliation  

Systemic lupus erythematosus (SLE) is a complex autoimmune disease which affects multiple organs. The type I interferon (IFN) gene signature and circulating autoantibodies are hallmarks of SLE. Plasmacytoid dendritic cells (pDCs) are considered the main producers of type I IFN and production is modulated by multiple other immune cell types. In SLE, essentially every immune cell type is dysregulated and aberrant deregulation is thought to be due, in part, to direct or indirect exposure to IFN. Genetic variants within or around the transcription factor interferon regulatory factor 5 (IRF5) associate with SLE risk. Elevated IFNα activity was detected in the sera of SLE patients carrying IRF5 risk polymorphisms who were positive for either anti-RNA binding protein (anti-RBP) or anti-double-stranded DNA (anti-dsDNA) autoantibodies. Neutrophils are also an important source of type I IFNs and are found in abundance in human blood. Neutrophil extracellular traps (NETs) are considered a potential source of antigenic trigger in SLE that can lead to type I IFN gene induction, as well as increased autoantibody production. In this review, we will focus on immune cell types that produce type I IFNs and/or are affected by type I IFN in SLE. In addition, we will discuss potential inducers of endogenous type I IFN production in SLE. Last, we will postulate how the different immune cell populations may be affected by an IRF5-SLE risk haplotype.

中文翻译:

先天免疫细胞、I 型干扰素和 IRF5 之间的协调驱动 SLE 发病机制

系统性红斑狼疮 (SLE) 是一种复杂的自身免疫性疾病,可影响多个器官。I 型干扰素 (IFN) 基因特征和循环自身抗体是 SLE 的标志。浆细胞样树突细胞 (pDC) 被认为是 I 型 IFN 的主要生产者,其产生受多种其他免疫细胞类型的调节。在 SLE 中,基本上每种免疫细胞类型都失调,异常失调被认为部分是由于直接或间接暴露于 IFN。转录因子干扰素调节因子 5 (IRF5) 内或周围的遗传变异与 SLE 风险相关。在携带 IRF5 风险多态性的 SLE 患者的血清中检测到 IFNα 活性升高,这些患者的抗 RNA 结合蛋白(抗 RBP)或抗双链 DNA(抗 dsDNA)自身抗体呈阳性。中性粒细胞也是 I 型干扰素的重要来源,在人类血液中含量丰富。中性粒细胞胞外陷阱 (NETs) 被认为是 SLE 抗原触发的潜在来源,可导致 I 型 IFN 基因诱导,以及增加自身抗体的产生。在这篇综述中,我们将关注在 SLE 中产生 I 型干扰素和/或受 I 型干扰素影响的免疫细胞类型。此外,我们将讨论 SLE 中内源性 I 型干扰素产生的潜在诱导剂。最后,我们将假设不同的免疫细胞群如何受到 IRF5-SLE 风险单倍型的影响。以及增加自身抗体的产生。在这篇综述中,我们将关注在 SLE 中产生 I 型干扰素和/或受 I 型干扰素影响的免疫细胞类型。此外,我们将讨论 SLE 中内源性 I 型干扰素产生的潜在诱导剂。最后,我们将假设不同的免疫细胞群如何受到 IRF5-SLE 风险单倍型的影响。以及增加自身抗体的产生。在这篇综述中,我们将关注在 SLE 中产生 I 型干扰素和/或受 I 型干扰素影响的免疫细胞类型。此外,我们将讨论 SLE 中内源性 I 型干扰素产生的潜在诱导剂。最后,我们将假设不同的免疫细胞群如何受到 IRF5-SLE 风险单倍型的影响。
更新日期:2020-08-01
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