alexa Advances in virus-like particle vaccines for filoviruses.


Journal of Antivirals & Antiretrovirals

Author(s): Warfield KL, Aman MJ

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Abstract Ebola virus (EBOV) and Marburg virus (MARV) are among the deadliest human pathogens, with no vaccines or therapeutics available. Multiple vaccine platforms have been tested for efficacy as prophylactic pretreatments or therapeutics for prevention of filovirus hemorrhagic fever. Most successful vaccines are based on a virus-vectored approach expressing the protective glycoprotein (GP); protein-based subunit and DNA vaccines have been tested with moderate success. Virus-like particle (VLP) vaccines have realized promising results when tested in both rodents and nonhuman primates. VLPs rely on the natural properties of the viral matrix protein (VP) 40 to drive budding of filamentous particles that can also incorporate ≥ 1 other filovirus protein, including GP, VP24, and nucleoprotein (NP). Filovirus VLP vaccines have used particles containing 2 or 3 (GP and VP40, with or without NP) viral proteins generated in either mammalian or insect cells. Early studies successfully demonstrated efficacy of bivalent VLP vaccines in rodents; more recent studies have shown the ability of the VLP vaccines containing GP, NP, and VP40 to confer complete homologous protection against Ebola virus and Marburg virus in a prophylactic setting against in macaques. This review will discuss published work to date regarding development of the VLP vaccines for prevention of lethal filovirus hemorrhagic fever.
This article was published in J Infect Dis and referenced in Journal of Antivirals & Antiretrovirals

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