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. 2006 Jun;80(11):5145–5155. doi: 10.1128/JVI.02618-05

FIG. 2.

FIG. 2.

Pretreatment of cells with supernatant from NDV-infected CCD-1122Sk or HT-1080 cells in culture inhibited the growth of NDV in normal cells but not in tumor cells. At 60 h postinfection, supernatants were collected, clarified, and then applied to uninfected cells for 15 h. The cells were then infected with NDV (MOI = 0.001), and viral titers were determined. (A) Viral titers in CCD-1122Sk cell cultures without pretreatment (open squares) and after pretreatment with supernatant from HT-1080 cells (filled square) or CCD-1122Sk cells (diamonds). (B) Viral titers in HT-1080 cell cultures without pretreatment (open squares) and after pretreatment with supernatant from HT-1080 cells (filled squares) or CCD-1122Sk cells (triangles).