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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Replication of HSV-1 in murine peritoneal macrophages: comparison of various virus strains with different properties.

The in vitro replication of eleven different strains of herpes simplex virus type 1 was studied in resident or thioglycollate-stimulated mouse macrophages. The strains of herpes simplex virus differed in the type of cytopathic effect, induction capacity for herpes simplex virus coded thymidine kinase and pathogenicity in the mouse. Herpes simplex virus replicated better in thioglycollate-stimulated macrophages than in resident macrophages. In vitro ageing of macrophages increased their replicative potency. Herpes simplex virus replicated better in macrophages from homozygous bg/bg C57/BL6J mice than in macrophages from their heterozygous littermates. Separation of macrophages on discontinuous Percoll-gradients revealed 4 fractions with identical potency for replication. The ability of herpesvirus to replicate in macrophages varied from strain to strain of virus i.e. Wal greater than Len, clone 4 of Len, greater than L3-2s, JES, Ang-, Ang + path, clone 2 of Len and greater than MDK clones. The ability to cause cytopathology also varied. Only strains Ang- and Ang + path showed limited or late cytopathology in macrophages. The cell-fusing property of herpes simplex virus appeared to be more closely correlated with lower replication rates than production cell rounding. Thymidine kinase- viruses replicated less well than thymidine kinase+ or thymidine kinase(+) strains. Strains of herpes simplex virus with high or low pathogenicity for mice replicated in macrophages to the same degree. The phagocytic activity of macrophages for IgM-coated sheep red blood cells was inhibited earlier by strains of herpes simplex virus of type 2 than by strains of herpes simplex virus of type 1.[1]

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