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A Limited Structural Modification Results in a Significantly More Efficacious Diazachrysene-Based Filovirus Inhibitor
AbstractEbola (EBOV) and Marburg (MARV) filoviruses are highly infectious pathogens causing deadly hemorrhagic fever in humans and non-human primates. Promising vaccine candidates providing immunity against filoviruses have been reported. However, the sporadic nature and swift progression of filovirus disease underlines the need for the development of small molecule therapeutics providing immediate antiviral effects. Herein we describe a brief structural exploration of two previously reported diazachrysene (DAAC)-based EBOV inhibitors. Specifically, three analogs were prepared to examine how slight substituent modifications would affect inhibitory efficacy and inhibitor-mediated toxicity during not only EBOV, but also MARV cellular infection. Of the three analogs, one was highly efficacious, providing IC50 values of 0.696 µM ± 0.13 µM and 2.76 µM ± 0.21 µM against EBOV and MARV infection, respectively, with little or no associated cellular toxicity. Overall, the structure-activity and structure-toxicity results from this study provide a framework for the future development of DAAC-based filovirus inhibitors that will be both active and non-toxic in vivo.
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Selaković, Ž.; Opsenica, D.; Eaton, B.; Retterer, C.; Bavari, S.; Burnett, J.C.; Šolaja, B.A.; Panchal, R.G. A Limited Structural Modification Results in a Significantly More Efficacious Diazachrysene-Based Filovirus Inhibitor. Viruses 2012, 4, 1279-1288.View more citation formats
Selaković Ž, Opsenica D, Eaton B, Retterer C, Bavari S, Burnett JC, Šolaja BA, Panchal RG. A Limited Structural Modification Results in a Significantly More Efficacious Diazachrysene-Based Filovirus Inhibitor. Viruses. 2012; 4(8):1279-1288.Chicago/Turabian Style
Selaković, Života; Opsenica, Dejan; Eaton, Brett; Retterer, Cary; Bavari, Sina; Burnett, James C.; Šolaja, Bogdan A.; Panchal, Rekha G. 2012. "A Limited Structural Modification Results in a Significantly More Efficacious Diazachrysene-Based Filovirus Inhibitor." Viruses 4, no. 8: 1279-1288.
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