IL—22对移植物抗宿主病小鼠外周免疫器官功能的影响(2)
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綜上,我们的研究提示IL-22可显著影响GVHD小鼠的脾和淋巴结中T细胞数量和亚群分布,且提高GVHD靶器官肠道局部的淋巴结T细胞分泌细胞因子的功能。然而现有研究表明,IL-22受体主要分布于皮肤、肠道、呼吸系统的上皮细胞,而非免疫细胞上[7]。因此,目前尚不清楚IL-22与其受体结合后,影响免疫系统功能的调控机制,尚需要进一步探讨。
参考文献
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3.Lu, Y., et al., Prevention of lethal acute graft-versus-host disease in mice by oral administration of T helper 1 inhibitor, TAK-603. Blood, 2001. 97(4): p. 1123-30.
4.Hanash, A.M., et al., Interleukin-22 protects intestinal stem cells from immune-mediated tissue damage and regulates sensitivity to graft versus host disease. Immunity, 2012. 37(2): p. 339-50.
5.Couturier, M., et al., IL-22 deficiency in donor T cells attenuates murine acute graft-versus-host disease mortality while sparing the graft-versus-leukemia effect. Leukemia, 2013. 27(7): p. 1527-37.
6.Eriguchi, Y., et al., Graft-versus-host disease disrupts intestinal microbial ecology by inhibiting Paneth cell production of alpha-defensins. Blood, 2012. 120(1): p. 223-31.
7.Wolk, K., et al., Biology of interleukin-22. Semin Immunopathol, 2010. 32(1): p. 17-31.
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