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Evaluation and mechanism study of Pien Tze Huang against EV-A71 infection.


ABSTRACT: Hand, foot, and mouth disease (HFMD) caused by enterovirus A71 (EV-A71) infection, currently lacks specific preventive and therapeutic interventions. Here, we demonstrated that Pien Tze Huang (PZH) could dose-dependently inhibit EV-A71 replication at the cellular level, resulting in significant reductions in EV-A71 virus protein 1 (VP1) expression and viral yields in Vero and human rhabdomyosarcoma cells. More importantly, we confirmed that PZH could protect mice from EV-A71 infection for the first time, with Ribavirin serving as a positive control. PZH treatment reduced EV-A71 VP1 protein expression, viral yields in infected muscles, and improved muscle pathology. Additionally, we conducted a preliminary mechanism study using quantitative proteomics. The results suggested that the suppression of the PI3K/AKT/mTOR and NF-κB signaling pathways may contribute to the anti-EV-A71 activity of PZH. These findings provide strong evidence supporting the potential therapeutic application of PZH for EV-A71 infection management.

SUBMITTER: Wang H 

PROVIDER: S-EPMC10637388 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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Evaluation and mechanism study of Pien Tze Huang against EV-A71 infection.

Wang Huiqiang H   Chen Fenbei F   Wang Shicong S   Li Yuhuan Y   Liu Ting T   Li Yinghong Y   Deng Hongbin H   Dong Jingwen J   Pang Jing J   Song Danqing D   Zhang Dousheng D   Yu Juan J   Wang Yanxiang Y  

Frontiers in pharmacology 20231026


Hand, foot, and mouth disease (HFMD) caused by enterovirus A71 (EV-A71) infection, currently lacks specific preventive and therapeutic interventions. Here, we demonstrated that Pien Tze Huang (PZH) could dose-dependently inhibit EV-A71 replication at the cellular level, resulting in significant reductions in EV-A71 virus protein 1 (VP1) expression and viral yields in Vero and human rhabdomyosarcoma cells. More importantly, we confirmed that PZH could protect mice from EV-A71 infection for the fi  ...[more]

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