Sequential conversion of the redox status of macrophages dictates the pathological progression of autoimmune diabetes

Sequential conversion of the redox status of macrophages dictates the pathological progression of autoimmune diabetes
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巨噬细胞氧化还原状态的顺序转换决定自身免疫性糖尿病的病理进展

DOI:
10.1002/eji.200323575
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发表时间:
2003
影响因子:
5.4
通讯作者:
J. Hamuro
J. Hamuro
中科院分区:
医学3区
文献类型:
--
作者:
Y. Murata;M. Amao;J. Hamuro

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以细胞内谷胱甘肽含量(icGSH)为指标的巨噬细胞(M β)的氧化还原状态随非肥胖糖尿病小鼠疾病进展而沿着变化。在早期胰岛素炎阶段,M偏向氧化型M(OM),icGSH降低,然后偏向还原型M(RM),icGSH升高,发生糖尿病后偏向OM。RM β或OM β诱导剂以相互相反的方式延迟或加速糖尿病的发作。过继转移的RM β或OM β可加重或减轻疾病进展,这取决于受体小鼠M β的氧化还原状态。M β的氧化还原状态的顺序转换决定了病理进展的新范式可能为自身免疫性糖尿病的机制提供了新的见解。
The redox status of macrophages (Mϕ), indexed by intracellular content of glutathione (icGSH), varies sequentially along with disease progression in nonobese diabetic mice. At the stage ofearly insulitis, Mϕ skew to oxidative Mϕ (OMϕ) with decreased icGSH, then to reductive Mϕ (RMϕ) with elevated icGSH and to OMϕ after the occurrence of diabetes. RMϕ or OMϕ inducing agents either delayed or accelerated the onset of diabetes in a mutually inverse manner. RMϕ or OMϕ adoptively transferred exacerbated or ameliorated the disease progression depending on the redox status of Mϕ of recipient mice. The new paradigm that the sequential conversion of redox status of Mϕ dictates the pathological progression may provide a new insight on the mechanism underlying autoimmune diabetes.
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