Enterovirus 71 Induces Pyroptosis of Human Neuroblastoma SH-SY5Y Cells Through MiR-146a/ CXCR4 Axis

Overview

Journal Heliyon

Specialty Social Sciences

Date 2023 Apr 25

PMID 37095967

Authors

Hengzhong Guo

Yangyang Zhu

Yu Zou

Chaozhi Li

Ya Wang

Gejing De

LiLi Lu

Affiliations

Soon will be listed here.

Abstract

Enterovirus 71 (EV71) is a predominant causative pathogen of hand-foot-and-mouth disease (HFMD) in children. Compared with other HFMD-associated viruses, EV71 tends to induce more severe neurological complications and even death. However, the detailed mechanism of EV71 causes nervous system disorder is still unclear. In this study, we found that EV71 induced the GSDMD/NLRP3-mediated pyroptosis of SH-SY5Y cells through up-regulated miR-146a. Through bioinformatic analysis, we identified C-X-C chemokine receptor type 4 (CXCR4) as the potential target of miR-146a. We noticed that the expression of CXCR4 was regulated by miR-146a during EV71 infection. Moreover, our results show that over-expression of CXCR4 attenuated EV71-induced pyroptosis of SY-SY5Y cells. These results reveal a previously unrecognized mechanism in which EV71 induces nervous system cells damage through regulating miR-146a/CXCR4 mediated pyroptosis.

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