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Enterovirus 71 2C Protein Inhibits NF-?B Activation by Binding to RelA(p65).


ABSTRACT: Viruses evolve multiple ways to interfere with NF-?B signaling, a key regulator of innate and adaptive immunity. Enterovirus 71 (EV71) is one of primary pathogens that cause hand-foot-mouth disease. Here, we identify RelA(p65) as a novel binding partner for EV71 2C protein from yeast two-hybrid screen. By interaction with IPT domain of p65, 2C reduces the formation of heterodimer p65/p50, the predominant form of NF-?B. We also show that picornavirus 2C family proteins inhibit NF-?B activation and associate with p65 and IKK?. Our findings provide a novel mechanism how EV71 antagonizes innate immunity.

SUBMITTER: Du H 

PROVIDER: S-EPMC4585786 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Enterovirus 71 2C Protein Inhibits NF-κB Activation by Binding to RelA(p65).

Du Haiwei H   Yin Peiqi P   Yang Xiaojie X   Zhang Leiliang L   Jin Qi Q   Zhu Guofeng G  

Scientific reports 20150923


Viruses evolve multiple ways to interfere with NF-κB signaling, a key regulator of innate and adaptive immunity. Enterovirus 71 (EV71) is one of primary pathogens that cause hand-foot-mouth disease. Here, we identify RelA(p65) as a novel binding partner for EV71 2C protein from yeast two-hybrid screen. By interaction with IPT domain of p65, 2C reduces the formation of heterodimer p65/p50, the predominant form of NF-κB. We also show that picornavirus 2C family proteins inhibit NF-κB activation an  ...[more]

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2020-08-08 | GSE155860 | GEO