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J Virol. 1991 Aug;65(8):4494-7.

Respiratory syncytial virus infection in C57BL/6 mice: clearance of virus from the lungs with virus-specific cytotoxic T cells.

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  • 1Department of Pediatrics, New York University School of Medicine, New York 10016.


We describe respiratory syncytial virus (RSV)-specific cytotoxic T-cell (CTL) lines and clones developed from the spleens of C57BL/6 and BALB/c mice. Line 7 and clones derived from it were H-2Kb restricted, whereas line 12 had both Kb and Db components. Both lines, and all the clones except one, could lyse targets infected with either strain A or strain B RSV. Line 7 or 7-11E1 cells (8 x 10(6) to 10 x 10(6) given intravenously cleared RSV from the lungs of infected mice. There was no morbidity or mortality in any of the infected mice whether or not they received T cells. The C57BL/6 mouse is a useful model system in which to study the role of the CTL response in protective immunity to RSV. CTL lines and clones can mediate clearance of RSV from the lungs of normal mice without producing any associated morbidity.

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