Key result
Caspase-3 inhibitor (Z-DEVD-FMK) inhibited viral production, protected host cells from cytopathic effects of EVD68 infection, and prevented EVD68 from regulating the host cell cycle at G0/G1.
Why the study?
Enterovirus D68 caused a large worldwide outbreak of severe respiratory disease in children, but the relationship between EVD68 and host cells remains unclear.
Does caspase-3 inhibition reduce Enterovirus D68 production and protect host cells from cytopathic effects?
Does caspase-3 inhibition reduce Enterovirus D68 production and protect host cells from cytopathic effects?
Caspase-3 inhibition reduces Enterovirus D68 production and protects host cells, suggesting a potential therapeutic target for EVD68-related disease.
Answers are grounded in this paper and cite their sources.
Hypothesis-generating for caspase-3 inhibition against EVD68; clinical translation requires prospective validation.
Enterovirus D68 (EVD68) is an emerging pathogen that recently caused a large worldwide outbreak of severe respiratory disease in children. However, the relationship between EVD68 and host cells remains unclear. Caspases are involved in cell death, immune response, and even viral production. We found that caspase-3 was activated during EVD68 replication to induce apoptosis. Caspase-3 inhibitor (Z-DEVD-FMK) inhibited viral production, protected host cells from the cytopathic effects of EVD68 infection, and prevented EVD68 from regulating the host cell cycle at G0/G1. Meanwhile, caspase-3 activator (PAC-1) increased EVD68 production. EVD68 infection therefore activates caspase-3 for virus production. This knowledge provides a potential direction for the prevention and treatment of disease related to EVD68.
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Huo et al. (2020) studied Enterovirus D68 infection. Caspase-3 inhibitor (Z-DEVD-FMK) was evaluated on Viral production and cytopathic effects. Caspase-3 inhibitor (Z-DEVD-FMK) inhibited viral production, protected host cells from cytopathic effects of EVD68 infection, and prevented EVD68 from regulating the host cell cycle at G0/G1.
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