期刊
CURRENT EYE RESEARCH
卷 41, 期 6, 页码 747-756出版社
TAYLOR & FRANCIS INC
DOI: 10.3109/02713683.2015.1061024
关键词
Eye; HSV-1; latency; mice; reactivation; UV-B
资金
- Public Health Service NIH [R01EY013191, 1R56AI098985, 1R56AI093133, R01EY14900, R01EY019896, R01EY024618, R01EY022365]
- Discovery Center for Eye Research
- NATIONAL EYE INSTITUTE [R01EY024618, R01EY026103, R01EY022365, R01EY014900, R01EY019896, R01EY013191] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES [R56AI098985, R21AI110902, R56AI093133] Funding Source: NIH RePORTER
Purpose: Blinding ocular herpetic disease in humans is due to spontaneous reactivation of herpes simplex virus type 1 (HSV-1) from latency, rather than to primary acute infection. Mice latently infected with HSV-1 undergo little or no in vivo spontaneous reactivation with accompanying virus shedding in tears. HSV-1 reactivation can be induced in latently infected mice by several in vivo procedures, with UV-B-induced reactivation being one commonly used method. In the UV-B model, corneas are scarified (lightly scratched) just prior to ocular infection to increase efficiency of the primary infection and immune serum containing HSV-1 neutralizing antibodies is injected intraperitoneally (i.p.) to increase survival and decrease acute corneal damage. Since scarification can significantly alter host gene transcription in the cornea and in the trigeminal ganglia (TG; the site of HSV-1 latency) and since injection of immune serum likely modulates innate and adaptive herpes immunity, we investigated eliminating both treatments.Material and Methods: Mice were infected with HSV-1 with or without corneal scarification and immune serum. HSV-1 reactivation and recurrent disease were induced by UV-B irradiation.Results: When corneal scarification and immune serum were both eliminated, UV-B irradiation still induced both HSV-1 reactivation, as measured by shedding of reactivated virus in tears and herpetic eye disease, albeit at reduced levels compared to the original procedure.Conclusion: Despite the reduced reactivation and disease, avoidance of both corneal scarification and immune serum should improve the clinical relevance of the UV-B mouse model.
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