Journal
PATHOGENS
Volume 11, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/pathogens11030293
Keywords
flavivirus; NS2B-NS3; Zika virus; dengue virus; West Nile virus; inhibitors
Categories
Funding
- National Institute of Allergy and Infectious Diseases (NIAID)
- National Institutes of Health [AI131669, AI133219, AI134568, AI140406, AI140491]
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Flaviviruses, including Zika, dengue, and West Nile viruses, cause high mortality and morbidity in endemic regions. Development of antiviral drugs targeting the NS2B-NS3 protease of these viruses is a significant area of research. This review summarizes recent advances in drug discovery for the flavivirus protease, which plays a crucial role in viral protein processing.
Flaviviruses cause a significant amount of mortality and morbidity, especially in regions where they are endemic. A recent example is the outbreak of Zika virus throughout the world. Development of antiviral drugs against different viral targets is as important as the development of vaccines. During viral replication, a single polyprotein precursor (PP) is produced and further cleaved into individual proteins by a viral NS2B-NS3 protease complex together with host proteases. Flavivirus protease is one of the most attractive targets for development of therapeutic antivirals because it is essential for viral PP processing, leading to active viral proteins. In this review, we have summarized recent development in drug discovery targeting the NS2B-NS3 protease of flaviviruses, especially Zika, dengue, and West Nile viruses.
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