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J Virol. 1978 November; 28(2): 444-449

Differential sensitivity of normal and transformed human cells to reovirus infection.

ABSTRACT

Normal and simian virus 40-transformed WI-38 cells exhibited a differential sensitivity to infection with type 3 reovirus. A progressive decrease in viability began 24 to 36 h after infection of transformed cells terminating in complete lysis of cultures by 96 h. Normal cells were productively infected and continued to produce and release virus for as long as 14 days after infection, but exhibited no detectable cytopathology. Inhibition of cellular DNA synthesis began 15 to 18 h after infection in transformed cells before development of cytopathology. No inhibition of DNA synthesis was detected in infected normal cells. No significant differences were noted in the adsorption or early replication characteristics of reovirus in normal and transformed cells. Virus replication and host cell DNA synthesis in normal and transformed human cells were compared to reovirus-infected L-929 mouse fibroblast cells.

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