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. Author manuscript; available in PMC: 2009 Jan 28.
Published in final edited form as: J Neurovirol. 2007 Oct;13(5):433–445. doi: 10.1080/13550280701460565

Figure 1.

Figure 1

NDV but not VSV induces type I IFN production from neuroblastoma cells in vitro. Approximately 2 × 105 NB41A3 cells were infected with NDV or VSV (m.o.i. = 10) or mock-infected with medium for 12 or 24 h. Supernatants were assayed for the presence of type I IFN bioactivity by IFN bioassay. The presence of IFN in supernatants was indicated by inhibition of VSV replication, shown as a reduction of viral titers in supernatants. Dilution represents fold dilution (from 1 ml) of supernatant added to NB41A3 cells.