Cd14 SNPs regulate the innate immune response.

Cd14 SNPs regulate the innate immune response.
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DOI:
10.1016/j.molimm.2012.02.112
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发表时间:
2012-06
影响因子:
3.6
通讯作者:
Peltz G
Peltz G
中科院分区:
医学3区
文献类型:
--
作者:
Liu HH;Hu Y;Zheng M;Suhoski MM;Engleman EG;Dill DL;Hudnall M;Wang J;Spolski R;Leonard WJ;Peltz G

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CD14 是一种单核细胞分化抗原,调节对病原体的先天免疫反应。在这里,我们发现小鼠 Cd14 SNP 调节 Cd14 mRNA 的长度和 CD14 蛋白翻译效率,从而调节小鼠巨噬细胞产生的可溶性 CD14 (sCD14) 和 I 型 IFN 的基础水平。这对先天免疫反应具有重大的下游影响;这种机制改变了至少 40 个 IFN 反应性小鼠基因的表达水平。我们还观察到人类 CD14 mRNA 的长度及其翻译效率存在很大差异。 sCD14 增加了人树突状细胞 (DC) 的细胞因子产生,而 sCD14 引发的 DC 增强了人 CD4 T 细胞增殖。这些发现可能为探索 CD14 SNP、血清 sCD14 水平与人类传染病和过敏性疾病易感性之间的复杂关系提供一种机制。
CD14 is a monocytic differentiation antigen that regulates innate immune responses to pathogens. Here, we show that murine Cd14 SNPs regulate the length of Cd14 mRNA and CD14 protein translation efficiency, and consequently the basal level of soluble CD14 (sCD14) and type I IFN production by murine macrophages. This has substantial downstream consequences for the innate immune response; the level of expression of at least 40 IFN-responsive murine genes was altered by this mechanism. We also observed that there was substantial variation in the length of human CD14 mRNAs and in their translation efficiency. sCD14 increased cytokine production by human dendritic cells (DCs), and sCD14-primed DCs augmented human CD4 T cell proliferation. These findings may provide a mechanism for exploring the complex relationship between CD14 SNPs, serum sCD14 levels, and susceptibility to human infectious and allergic diseases.
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