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Transport of infectious reovirus into bile: class II major histocompatibility antigen-bearing cells determine reovirus transport.

ABSTRACT

We have previously demonstrated that mammalian reovirus type 1 enters the bile and gut lumen after systemic administration. In the present study, we showed that Kupffer cell uptake is essential for the transport of reovirus into the bile. Furthermore, class II major histocompatibility antigen (I-A)-bearing cells are a major determinant for the transit of reovirus from the hepatic environment, as well as from the intestine, during the course of systemic infection. These findings may provide an approach to the control of viral pathogens that cause systemic disease by selective utilization or modification of I-A-bearing cells.