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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Interferon-γ impacts at multiple points during the progression of autoimmune diabetes
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Interferon-γ impacts at multiple points during the progression of autoimmune diabetes

机译:干扰素-γ在自身免疫性糖尿病进展过程中的多点影响

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摘要

The role of interferon-γ in autoimmune di- abetes was assessed by breeding a null mutation of the interferon-γ receptor α chain into the nonobese diabetic mouse strain, as well as into a simplified T cell receptor transgenic model of diabetes. In contrast to a previous report on abrogation of the interferon-γ gene, mutation of the gene encoding its receptor led to drastic effects on disease in both mouse lines. Nonobese diabetic mice showed a marked inhi- bition of insulitis--both the kinetics and penetrance--and no signs of diabetes; the transgenic model exhibited near-normal insulitis, but this never evolved into diabetes, either sponta- neously or after experimental provocation.
机译:通过将干扰素-γ受体α链的无效突变繁殖到非肥胖糖尿病小鼠品系以及简化的糖尿病T细胞受体转基因模型中,可以评估干扰素-γ在自身免疫性糖尿病中的作用。与先前有关废除干扰素-γ基因的报道相反,编码其受体的基因的突变导致了两种小鼠品系对疾病的严重影响。非肥胖糖尿病小鼠在动力学和渗透方面均表现出明显的胰岛素抵抗,没有糖尿病的征兆。转基因模型表现出接近正常的胰岛炎,但无论是自然发生还是实验性刺激后,都从未演变成糖尿病。

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