JCC: 克罗恩病和溃疡性结肠炎粘膜中先天性淋巴细胞组成不相同

2019-01-05 MedSci MedSci原创

先天性淋巴样细胞[ILC]已被认为在炎症性肠病[IBD]中发挥重要作用。本项研究中研究人员调查了患有克罗恩病[CD]和溃疡性结肠炎[UC]肠道活组织中的ILC和来自不同患者组的血液中ILC差异,以期探究IBD中ILC组成的时间,疾病特异性和组织特异性变化。

背景和目标
先天性淋巴样细胞[ILC]已被认为在炎症性肠病[IBD]中发挥重要作用。本项研究中研究人员调查了患有克罗恩病[CD]和溃疡性结肠炎[UC]肠道活组织中的ILC和来自不同患者组的血液中ILC差异,以期探究IBD中ILC组成的时间,疾病特异性和组织特异性变化。

方法
研究人员通过流式细胞术分析研究血液和肠活组织检查中的ILC亚型分布,表型和转录因子谱。使用溃疡性结肠炎内窥镜严重程度指数和克罗恩病的简单内镜评分来判断内窥镜疾病严重程度。

结果
CD患者和UC患者中发炎的组织中NKp44 + ILC3 的频率明显降低,并且与疾病严重性相关。同时,CD患者的ILC1频率增加,而UC患者的ILC2频率增加。与发炎组织中的ILC组合物相比,非发炎组织或血液中的ILC与非IBD对照相比没有变化。最后,接受抗α4 β 7抗体治疗的患者中外周血中的ILC的频率保持不变。

结论
本项研究表明IBD中ILC组成的改变选择性地发生在肠道中的发炎部位。

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    2019-06-23 nymo
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    2019-11-08 guoyibin
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    2019-01-07 huirong

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