Cxxc Finger Protein 1 Positively Regulates GM-CSF-Derived Macrophage Phagocytosis Through Csf2rα-Mediated Signaling.

Cxxc Finger Protein 1 Positively Regulates GM-CSF-Derived Macrophage Phagocytosis Through Csf2rα-Mediated Signaling.
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Cxxc Finger 蛋白 1 通过 Csf2r α 介导的信号传导正向调节 GM-CSF 衍生的巨噬细胞吞噬作用

DOI:
10.3389/fimmu.2018.01885
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发表时间:
2018
影响因子:
7.3
通讯作者:
Wang L
Wang L
中科院分区:
医学2区
文献类型:
--
作者:
Hui Z;Zhou L;Xue Z;Zhou L;Luo Y;Lin F;Liu X;Hong S;Li W;Wang D;Lu L;Wang J;Wang L

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巨噬细胞通过吞噬和分泌细胞因子对细菌具有防御功能。组蛋白修饰在巨噬细胞功能中起重要作用。在这里,我们报告说,Cxxc指蛋白1(CFP 1),一个关键组成部分的SETD 1组蛋白甲基转移酶复合物,促进吞噬和杀菌活性的GM-CSF衍生的巨噬细胞。CFP 1缺陷型小鼠对细菌感染更敏感,这是由于Csf 2 r α基因启动子中H3 K4修饰的缺失导致Csf 2 r α(炎症和肺泡巨噬细胞发育所必需的GM-CSF受体亚基)表达降低。此外,CFP 1缺陷小鼠的肺组织表现出自发性炎症症状,包括炎症细胞的浸润和表面活性剂磷脂和蛋白质的积累。此外,我们发现Csf 2 r α和PU.1可以部分挽救吞噬作用和细胞内细菌杀伤的缺陷。总的来说,我们的数据突出了CFP 1在巨噬细胞的吞噬和杀菌活性中的重要性。
Macrophages have a defensive function against bacteria through phagocytosis and the secretion of cytokines. Histone modifications play an essential role in macrophage functions. Here, we report that Cxxc finger protein 1 (CFP1), a key component of the SETD1 histone methyltransferase complex, promoted the phagocytic and bactericidal activity of GM-CSF-derived macrophages. CFP1-deficient mice were more susceptible to bacterial infection due to the decreased expression of Csf2rα, a subunit of the GM-CSF receptor essential for inflammation and alveolar macrophage development, through the loss of H3K4 modifications in the promoter of the Csf2rα gene. In addition, the lung tissues of CFP1-deficient mice exhibited spontaneous inflammatory symptoms, including both the infiltration of inflammatory cells and the accumulation of surfactant phospholipids and proteins. Furthermore, we showed that Csf2rα and PU.1 can partially rescue the defects in phagocytosis and in the intracellular killing of bacteria. Collectively, our data highlight the importance of CFP1 in the phagocytic and bactericidal activity of macrophages.
DOI: 10.1155/2016/6591703
发表时间: 2016
影响因子: 4.6
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通讯作者: Iqbal AJ
DOI: 10.1074/jbc.m807477200
发表时间: 2009-02-06
影响因子: 4.8
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DOI: 10.1101/gad.194209.112
发表时间: 2012-08-01
影响因子: 10.5
作者:
Clouaire, Thomas;Webb, Shaun;Bird, Adrian
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CFP1是基因表达依赖性H3K4三甲基化和H3K9乙酰化所必需的。
DOI: 10.1186/s13059-014-0451-x
发表时间: 2014-09-04
期刊: Genome biology
影响因子: 12.3
作者:
Clouaire T;Webb S;Bird A
通讯作者: Bird A