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Investigative Ophthalmology & Visual Science, Vol 25, 525-533, Copyright © 1984 by Association for Research in Vision and Ophthalmology

ARTICLES AND REPORTS

Suppression of HSV-1 infection in trigeminal ganglion cells. An in vitro model of latency

EC Dunkel, MT Green and JP Rosborough

The goal of this experiment was to develop an in vitro model of HSV-1 infection and to characterize the virologic parameters associated with such an infection. An in vitro model of HSV-1 infection would offer a defined, efficient, and easily controlled system for studying the mechanisms associated with HSV-1 latency and reactivation. Results indicate that: (1) in the presence of 100 micrograms/ml acyclovir, acute infection is suppressed within 3 days; (2) during suppression, infectious virus was recovered only from whole cell trigeminal ganglion explants (no virus recovery from supernate or homogenized samples); immunofluorescent staining was evident with antiserum to VP175, but not with antiserum to HSV-1 and intranuclear inclusions, but no intact virions were observed in neurons by electron microscopy; (3) 72 hr after desuppression of HSV infected trigeminal ganglion cells infectious HSV-1 was recovered from supernate, homogenized, and whole cell cultures. Immunofluorescent staining was observed with antisera to VP175 and HSV-1; intranuclear inclusions as well as intact virus particles were noted in neurons via electron microscopy.




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Copyright © 1984 by the Association for Research in Vision and Ophthalmology