期刊
FEBS LETTERS
卷 596, 期 19, 页码 2555-2565出版社
WILEY
DOI: 10.1002/1873-3468.14456
关键词
antiviral; drug delivery; enveloped virus; lipid-binding protein; membrane disruption; SARS-CoV-2
资金
- Intramural Research Program of the NIH, National Institute of Environmental Health Sciences [Z01-ES102906]
- Intramural Research Program of the National Institute of Allergy and Infectious Diseases
In this study, the lytic and antiviral activities of mosquito protein AEG12 were modified by replacing the endogenous fatty acid ligands with hydrophobic viral inhibitors. These findings provide valuable insights into the development of broad-spectrum antiviral therapeutics based on the AEG12 protein scaffold.
The mosquito protein AEG12 encompasses a large (similar to 3800 angstrom(3)) hydrophobic cavity which binds and delivers unsaturated fatty acids into biological membranes, allowing it to lyse cells and neutralize a wide range of enveloped viruses. Herein, the lytic and antiviral activities are modified with non-naturally occurring lipid ligands. We generated novel AEG12 complexes in which the endogenous fatty acid ligands were replaced with hydrophobic viral inhibitors. The resulting compounds modulated cytotoxicity and infectivity against SARS-CoV-2, potentially reflecting additional mechanisms of action beyond membrane destabilization. These studies provide valuable insight into the design of novel broad-spectrum antiviral therapeutics centred on the AEG12 protein scaffold as a delivery vehicle for hydrophobic therapeutic compounds.
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