Dual-target inhibitors from Chebulae Fructus against SARS-CoV-2
Author Information
Author(s): Wang Changjian, Cao Yipeng, Yang Qi, Wang Xinyue, Yang Zhiying, Yang Jingjing, Li Xinru, Li Bin, Wang Yuefei, Zhang Min
Primary Institution: State Key Laboratory of Chinese Medicine Modernization, Tianjin University of Traditional Chinese Medicine, Tianjin, China
Hypothesis
Can compounds from Chebulae Fructus effectively inhibit SARS-CoV-2 main protease and papain-like protease?
Conclusion
PGG and TGG are promising dual-target inhibitors of SARS-CoV-2 that may help avoid drug resistance.
Supporting Evidence
- Eight compounds were identified as potential dual-target inhibitors through molecular docking.
- PGG and TGG showed good inhibitory activities with IC50 values ranging from 1.33 to 27.37 μM.
- Both compounds displayed antiviral activity in vitro against SARS-CoV-2 variants.
- Molecular dynamics simulations indicated stability of the complexes over 500 ns.
- PGG and TGG may help avoid drug resistance due to their dual-target approach.
Takeaway
Scientists found two natural compounds that can help fight the virus that causes COVID-19 by stopping it from making copies of itself.
Methodology
The study used molecular docking, FRET, SPR assays, and antiviral activity tests in Vero E6 cells to evaluate the compounds.
Limitations
The study primarily focused on in vitro results, which may not fully represent in vivo efficacy.
Digital Object Identifier (DOI)
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