An innately dangerous balancing act: intestinal homeostasis, inflammation, and colitis-associated cancer.

An innately dangerous balancing act: intestinal homeostasis, inflammation, and colitis-associated cancer.
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DOI:
10.1084/jem.20101330
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发表时间:
2010-08-02
期刊:
The Journal of experimental medicine
影响因子:
--
通讯作者:
Powrie F
Powrie F
中科院分区:
其他
文献类型:
--
作者:
Asquith M;Powrie F

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炎症性肠病(IBD)的特征是对肠道微生物区系的免疫反应失调,并以慢性肠道炎症为特征。最近的几项研究证明了肠道免疫和非免疫细胞对天然微生物识别的重要性。矛盾的是,先天性免疫信号的减弱或加剧可能会触发肠道内稳态的破坏,导致IBD和结肠炎相关癌症(CAC)。这种二分法可能反映了肠上皮细胞和白细胞在免疫感知方面的不同功能,这可能随着疾病机制的不同而不同。
Inflammatory bowel disease (IBD) is characterized by dysregulated immune responses to the intestinal microbiota, and by chronic intestinal inflammation. Several recent studies demonstrate the importance of innate microbial recognition by immune and nonimmune cells in the gut. Paradoxically, either diminished or exacerbated innate immune signaling may trigger the breakdown of intestinal homeostasis, leading to IBD and colitis-associated cancer (CAC). This dichotomy may reflect divergent functional roles for immune sensing in intestinal epithelial cells and leukocytes, which may vary with distinct disease mechanisms.
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