An immunogenetic analysis of resistance to herpes simplex virus retinitis in inbred strains of mice.
نویسندگان
چکیده
Specific inbred strains of mice have been shown to vary considerably in their resistance and susceptibility to herpes simplex virus (HSV) infection. We injected 2 X 10(5) plaque forming units (PFU) of the KOS strain of HSV-1 intracamerally into one eye of BALB/c, C57Bl/6, and F1 (BALB/c X C57Bl/6) mice. HSV-1 antigens were localized in frozen sections of enucleated eyes at 10 to 14 days post-inoculation. Injected eyes of BALB/c mice showed an anterior uveitis with HSV-1 antigens in the anterior segment and an intact retina free of HSV antigens. The retina of the contralateral uninjected eye was necrotic and contained HSV-1 antigens. In both C57Bl/6 and F1 mice, HSV antigens were limited to anterior segment structures in the injected eye, whereas, in contrast to BALB/c mice, the contralateral retina appeared histologically normal and contained no viral antigens. The C57Bl/6 and F1 strains remained relatively resistant to retinal infection even if pretreated with up to 800 Rads of irradiation. The retinas of normal or sublethally irradiated C57Bl/6 and F1, but not BALB/c strains, were also resistant to intravitreal injection of HSV. These results suggest that resistance to HSV retinitis is a dominantly inherited trait, which depends only partly upon immunologic factors and may be heavily influenced by the inherent ability of host cells from different murine strains to support a productive viral infection.
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ورودعنوان ژورنال:
- Investigative ophthalmology & visual science
دوره 28 9 شماره
صفحات -
تاریخ انتشار 1987