Down-regulation of human enteric antimicrobial peptides by NOD2 during differentiation of the paneth cell lineage.

Down-regulation of human enteric antimicrobial peptides by NOD2 during differentiation of the paneth cell lineage.
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潘氏细胞谱系分化过程中 NOD2 下调人肠道抗菌肽

DOI:
10.1038/srep08383
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发表时间:
2015-02-11
期刊:
影响因子:
4.6
通讯作者:
Zhi FC
Zhi FC
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Tan G;Li RH;Li C;Wu F;Zhao XM;Ma JY;Lei S;Zhang WD;Zhi FC

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回肠克罗恩病(CD)由肠道内稳态改变引起,其特征在于两个特征,即潘氏细胞产生的在维持这种平衡中起关键作用的抗菌肽的减少和细胞内传感器NOD2的增加。虽然NOD2的突变与CD的发病率高度相关,但NOD2在肠道免疫中的生理作用仍然难以捉摸。在这里,我们表明,NOD2可以下调人肠道抗菌肽的表达在潘氏细胞系的分化。这一发现将回肠CD患者中人肠道抗菌肽的减少与NOD2的增加联系起来,为回肠CD的发病机制提供了新的观点。
Ileal Crohn's disease (CD) arising from the alteration of intestinal homeostasis is characterized by two features, namely a decrease in Paneth cell-produced antimicrobial peptides that play a key role in maintaining this balance and an increase in NOD2, an intracellular sensor. Although mutations in NOD2 are highly correlated with the incidence of CD, the physiological role of NOD2 in intestinal immunity remains elusive. Here, we show that NOD2 can down-regulate the expression of human enteric antimicrobial peptides during differentiation of the Paneth cell lineage. This finding, which links the decrease of human enteric antimicrobial peptides to increased NOD2 in ileal CD patients, provides a new view into the pathogenesis of ileal CD.
DOI: 10.1074/jbc.m206473200
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