IL-21 is critical for GVHD in a mouse model.

IL-21 is critical for GVHD in a mouse model.
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DOI:
10.1038/bmt.2009.223
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发表时间:
2010-04
影响因子:
4.8
通讯作者:
Ozawa, K.
Ozawa, K.
中科院分区:
医学3区
文献类型:
--
作者:
Meguro, A.;Ozaki, K.;Oh, I.;Hatanaka, K.;Matsu, H.;Tatara, R.;Sato, K.;Leonard, W. J.;Ozawa, K.

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IL-21对T-、B-和NK-细胞的免疫学作用已被报道,但IL-21在移植物抗宿主病(GVHD)中的作用仍不清楚。在这里,我们证明了与野生型小鼠相比,IL-21 R −/−小鼠的脾细胞骨髓移植后GVHD的发病率和死亡率显著降低。为了进一步证实我们的观察,我们产生了IL-21的诱饵受体。在接受IL-21诱饵受体转导的骨髓细胞的小鼠中,GVHD再次比对照小鼠不那么严重。这些结果表明,IL-21严格地调节GVHD,并且IL-21信号的阻断可能代表预防GVHD的新策略。
Immunological effects of IL-21 on T-, B-, and NK-cells have been reported, but the role for IL-21 in graft-versus-host disease (GVHD) remains obscure. Here we demonstrate that morbidity and mortality of GVHD was significantly reduced after bone marrow transplantation with splenocytes from IL-21R−/− mice compared to those from wild type mice. To further confirm our observation, we generated a decoy receptor for IL-21. GVHD was again less severe in mice receiving bone marrow cells transduced with the IL-21 decoy receptor than control mice These results suggest that IL-21 critically regulates GVHD and that blockade of the IL-21 signal may represent a novel strategy for the prophylaxis for GVHD.
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