Abstract：
:Influenza virus infections can lead to viral pneumonia and acute respiratory distress syndrome in severe cases, causing significant morbidity and mortality and posing a great threat to human health. Because of the diversity of influenza virus strains and drug resistance to the current direct antiviral agents, there have been no effective drugs as yet to cure all patients infected by influenza viruses. Natural products from plants contain compounds with diverse structures that have the potential to interact with multiple host and virus factors. In this study, we identified the ethanol extract of Caesalpinia decapetala (Roth) Alston (EEC) as an inhibitor against the replication of a panel of influenza A and B viruses both on human pulmonary epithelial A549 and human monocytic U937 cells. The animal study revealed that EEC administration reduces the weight loss and improves the survival rate of mice infected with lethal influenza virus. Also, EEC treatment attenuated lung injury and reduced virus titer significantly. In conclusion, we showed that EEC has antiviral activity both in vitro and in vivo, suggesting that the plant C. decapetala has the potential to be further developed as a resource of new anti-influenza drugs.
journal_name
Virusesjournal_title
Virusesauthors
Zhang L,Chen J,Ke C,Zhang H,Zhang S,Tang W,Liu C,Liu G,Chen S,Hu A,Sun W,Xiao Y,Liu M,Chen Xdoi
10.3390/v12050557subject
Has Abstractpub_date
2020-05-18 00:00:00issue
5issn
1999-4915pii
v12050557journal_volume
12pub_type
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