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
中科院分区:
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
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.
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影响因子:
4.6
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Kapellos TS;Iqbal AJ
通讯作者:
Iqbal AJ
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Clouaire T;Webb S;Bird A
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Bird A