Hepatitis B virus rigs the cellular metabolome to avoid innate immune recognition.

Hepatitis B virus rigs the cellular metabolome to avoid innate immune recognition.
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乙型肝炎病毒操纵细胞代谢组以避免先天免疫识别

DOI:
10.1038/s41467-020-20316-8
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发表时间:
2021-01-04
影响因子:
16.6
通讯作者:
Liu S
Liu S
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Zhou L;He R;Fang P;Li M;Yu H;Wang Q;Yu Y;Wang F;Zhang Y;Chen A;Peng N;Lin Y;Zhang R;Trilling M;Broering R;Lu M;Zhu Y;Liu S

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葡萄糖代谢和先天免疫是并行进化的。目前尚不清楚这两个系统在乙肝病毒感染期间是否以及如何相互作用,如果是的话,涉及哪些机制。在这里,我们报告了乙肝病毒激活糖酵解以阻止维甲酸诱导基因I(RIG-I)诱导的干扰素的产生。我们证明,乙肝病毒通过形成包括己糖激酶(HK)的三元复合体从RIG-I中隔离MAV。利用一系列的药理学和遗传学方法,我们提供了体外和体内证据表明,乙肝病毒通过乳酸脱氢酶-A依赖的乳酸的产生来抑制RLR信号。乳酸直接与MAV结合,阻止其在乙肝病毒感染过程中聚集和线粒体定位。因此,我们认为HK2和糖酵解衍生的乳酸在乙肝病毒的免疫逃逸中具有重要作用,能量代谢在乙肝病毒感染过程中调节先天免疫。
Glucose metabolism and innate immunity evolved side-by-side. It is unclear if and how the two systems interact with each other during hepatitis B virus (HBV) infections and, if so, which mechanisms are involved. Here, we report that HBV activates glycolysis to impede retinoic acid-inducible gene I (RIG-I)-induced interferon production. We demonstrate that HBV sequesters MAVS from RIG-I by forming a ternary complex including hexokinase (HK). Using a series of pharmacological and genetic approaches, we provide in vitro and in vivo evidence indicating that HBV suppresses RLR signaling via lactate dehydrogenase-A-dependent lactate production. Lactate directly binds MAVS preventing its aggregation and mitochondrial localization during HBV infection. Therefore, we show that HK2 and glycolysis-derived lactate have important functions in the immune escape of HBV and that energy metabolism regulates innate immunity during HBV infection.
DOI: 10.1038/s41467-017-02092-0
发表时间: 2017-12-12
影响因子: 16.6
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Davies LC;Rice CM;Palmieri EM;Taylor PR;Kuhns DB;McVicar DW
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