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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Viral inactivation of vesicular stomatitis virus in normal human serum by cross-linked polyvinylpyrrolidone.

Methods for inactivating virus contaminants in serum, cryoprecipitate-poor plasma, and protein concentrates need to be identified. In this study, vesicular stomatitis virus (VSV)-spiked human serum and cryoprecipitate-poor plasma were treated with cross-linked povidone iodine (XLPVPI) at concentrations of 0, 4, 6, 8, and 10 mg/mL up to 120 min at 4 and 24 degrees C. The activities of virus and relevant proteins were examined. The results indicated that XLPVPI at concentrations that inactivate > 5 logs of VSV in serum decreased factor IX and protein C activities by < 10% in cryoprecipitate-poor plasma. At concentrations up to 10 mg of XLPVPI/mL, < 10% of protein C and factor IX activity was lost after incubation for 5 min at 24 degrees C. In addition, < 10% loss in protein C and factor IX activity was observed at 4 degrees C after treatment with < or = 6 mg of XLPVPI/mL for 20 min. Treatment of human serum with 6 mg of XLPVPI/mL at 4 degrees C and 8 mg of XLPVPI/mL at 24 degrees C for 5 min provided inactivation of > 5 logs of VSV.[1]


  1. Viral inactivation of vesicular stomatitis virus in normal human serum by cross-linked polyvinylpyrrolidone. Highsmith, F.A., Caple, M., Walthall, B., Shanbrom, E., Drohan, W.N. J. Infect. Dis. (1993) [Pubmed]
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