Interleukin-21 is required for the development of type 1 diabetes in NOD mice.

Interleukin-21 is required for the development of type 1 diabetes in NOD mice.
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DOI:
10.2337/db08-0882
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发表时间:
2009-05
期刊:
影响因子:
7.7
通讯作者:
von Herrath M
von Herrath M
中科院分区:
医学1区
文献类型:
--
作者:
Sutherland AP;Van Belle T;Wurster AL;Suto A;Michaud M;Zhang D;Grusby MJ;von Herrath M

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白细胞介素(IL)-21是一种1型细胞因子,通过非肥胖糖尿病(NOD)小鼠品系的独特生物学特性参与1型糖尿病的发病机制。本研究的目的是调查IL-21在1型糖尿病中的因果作用。我们产生了IL-21 R缺陷型NOD小鼠和在胰腺β细胞中表达IL-21的C57 Bl/6小鼠,从而可以确定IL-21信号传导不足和过度在1型糖尿病中的作用。IL-21 R表达的缺乏使NOD小鼠对胰岛炎、胰岛素自身抗体的产生和1型糖尿病的发作具有抗性。IL-21 R −/− NOD中的淋巴区室是正常的,不包含增加的调节性T细胞部分或减少的效应细胞因子反应。然而,我们通过转移实验观察到IL-21 R −/− NOD中自身反应性效应T细胞的明显缺陷。相反,胰腺β细胞中IL-21的过表达诱导胰腺中的炎性细胞因子和趋化因子,包括IL-17 A、IL-17 F、IFN-γ、单核细胞趋化蛋白(MCP)-1、MCP-2和干扰素诱导蛋白-10。胰岛中随后的白细胞浸润导致β细胞破坏和正常糖尿病抗性C57 Bl/6和NOD × C57 Bl/6背景中的自发性1型糖尿病。这项工作证明了IL-21在不同遗传背景(NOD和C57 BL/6)中的基本促糖尿病活性,并表明IL-21阻断可能是干预人类1型糖尿病的一种有前途的策略。
Interleukin (IL)-21 is a type 1 cytokine that has been implicated in the pathogenesis of type 1 diabetes via the unique biology of the nonobese diabetic (NOD) mouse strain. The aim of this study was to investigate a causal role for IL-21 in type 1 diabetes. We generated IL-21R–deficient NOD mice and C57Bl/6 mice expressing IL-21 in pancreatic β-cells, allowing the determination of the role of insufficient and excessive IL-21 signaling in type 1 diabetes. Deficiency in IL-21R expression renders NOD mice resistant to insulitis, production of insulin autoantibodies, and onset of type 1 diabetes. The lymphoid compartment in IL-21R−/− NOD is normal and does not contain an increased regulatory T-cell fraction or diminished effector cytokine responses. However, we observed a clear defect in autoreactive effector T-cells in IL-21R−/− NOD by transfer experiments. Conversely, overexpression of IL-21 in pancreatic β-cells induced inflammatory cytokine and chemokines, including IL-17A, IL17F, IFN-γ, monocyte chemoattractant protein (MCP)-1, MCP-2, and interferon-inducible protein-10 in the pancreas. The ensuing leukocytic infiltration in the islets resulted in destruction of β-cells and spontaneous type 1 diabetes in the normally diabetes-resistant C57Bl/6 and NOD × C57Bl/6 backgrounds. This work provides demonstration of the essential prodiabetogenic activities of IL-21 on diverse genetic backgrounds (NOD and C57BL/6) and indicates that IL-21 blockade could be a promising strategy for interventions in human type 1 diabetes.
DOI: 10.1371/journal.pone.0003118
发表时间: 2008-09-05
期刊: PloS one
影响因子: 3.7
作者:
Datta S;Sarvetnick NE
通讯作者: Sarvetnick NE
通过在胰腺淋巴结中发育调节的胰岛细胞抗原的发育表现来启动自身免疫性糖尿病。
DOI: 10.1084/jem.189.2.331
发表时间: 1999-01-18
期刊: The Journal of experimental medicine
影响因子: --
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DOI: 10.1016/j.immuni.2008.05.009
发表时间: 2008-07-18
期刊: IMMUNITY
影响因子: 32.4
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DOI: 10.4049/jimmunol.178.9.5957
发表时间: 2007-05-01
影响因子: 4.4
作者:
Caruso, Roberta;Fina, Daniele;Monteleone, Giovanni
通讯作者: Monteleone, Giovanni
DOI: 10.1016/s1074-7613(02)00295-9
发表时间: 2002-04-01
期刊: IMMUNITY
影响因子: 32.4
作者:
Kasaian, MT;Whitters, MJ;Grusby, MJ
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