期刊
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
卷 207, 期 -, 页码 -出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2020.112726
关键词
Borneol; Camphor; Ebola virus; Marburg virus; Glycoprotein; Mutagenesis study
资金
- Russian Science Foundation [19-73-00125]
- Russian Science Foundation [19-73-00125] Funding Source: Russian Science Foundation
In this study, we screened a large library of (+)-camphor and (-)-borneol derivatives to assess their filovirus entry inhibition activities using pseudotype systems. Structure-activity relationship studies revealed several compounds exhibiting submicromolar IC50 values. These compounds were evaluated for their effect against natural Ebola virus (EBOV) and Marburg virus. Compound 3b (As-358) exhibited the good antiviral potency (IC50 = 3.7 mu M, SI = 118) against Marburg virus, while the hydrochloride salt of this compound 3b center dot HCl had a strong inhibitory effect against Ebola virus (IC50 = 9.1 mM, SI = 31) and good in vivo safety (LD50 > 1000 mg/kg). The results of molecular docking and in vitro mutagenesis analyses suggest that the synthesized compounds bind to the active binding site of EBOV glycoprotein similar to the known inhibitor toremifene. (C) 2020 Elsevier Masson SAS. All rights reserved.
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