Infection of murine hepatocyte cultures by herpes simplex virus (HSV) 1 and 2

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Abstract
The interaction between liver cells and herpes simplex virus (HSV) was studied in vitro. Hepatocytes were obtained from HSV-resistant (C57/B16) and from HSV-susceptible (BALB/c, A/J, C3H) mouse strains and cultured according to standard methods. Each culture was infected with several of HSV type 1 or type 2 at a multiplicity of 5. The cytopathic effect was evaluated by light microscopy and EM. The number of infectious particles was determined using rabbit kidney or Vero cell cultures. All evaluations were made at different time intervals after infection. No difference concerning the replication rate of HSV-1 and -2 in isolated hepatocytes from resistant and susceptible mouse strains was detected. A marked difference was observed with respect to the production of infectious particles: HSV-1 exhibited a good multiplication rate, whereas no production of virus particles was observed with HSV-2. Evidently, mouse hepatocytes fail to bear the genotype for resistance to HSV infections.