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. 1986 Feb;57(2):497–504. doi: 10.1128/jvi.57.2.497-504.1986

Pathogenesis of acute murine cytomegalovirus infection in resistant and susceptible strains of mice.

J A Mercer, D H Spector
PMCID: PMC252762  PMID: 3003382

Abstract

We have characterized the progress of acute murine cytomegalovirus (MCMV) infection in the spleen, liver, and salivary gland of susceptible (BALB/c) and resistant (C3H) strains of mice after intraperitoneal inoculation. Viral replication was analyzed by virus titration, infectious-center assays, and in situ cytohybridization with cloned subgenomic fragments of the MCMV genome. The most striking differences between strains were observed in the spleen. At 24 h postinfection (p.i.), both strains had a similar number of infected spleen cells. At 48 h p.i., BALB/c mice showed marked dissemination of the splenic infection which continued until 96 h p.i. In contrast, the number of infected C3H spleen cells did not increase from the 24-h level but declined later on. This early block in dissemination of MCMV infection in C3H mouse spleens was not a result of the H-2k haplotype, as BALB.K (H-2k) mice, which show an intermediate level of resistance to MCMV infection, exhibited dissemination of the infection between 24 and 48 h p.i., albeit at a reduced level. However, between 72 and 96 h p.i., we observed a decline in the number of infected spleen cells in BALB.K mice similar to that observed in C3H mice. We also demonstrated by Southern blot analysis of DNA from the infected spleen cells that the termini of the MCMV genome fuse after in vivo infection.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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