Interferon-γ protects against herpes simplex virus type 1-mediated neuronal death

Kathrin D. Geiger, Therese C. Nash, Stephen Sawyer, Troy Krahl, Gail Patstone, John C. Reed, Stan Krajewski, Dyana Dalton, Michael J. Buchmeier, Nora Sarvetnick

Research output: Contribution to journalArticle

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Abstract

Host inflammatory mediators, such as interferons, play a protective role in infection, but the mechanism is undefined and may differ between tissue compartments. To determine whether interferon-γ (IFN-γ) elicitation prevents destructive encephalitis in herpes simplex virus type 1 (HSV-1) infection of the central nervous system, IFN-γ-knockout (GKO) mice were challenged intravitreally with HSV-1 strain F, inciting infection of the eyes and the brain. Indeed, the GKO mice showed encephalitis with ataxia, whereas nontransgenic controls remained asymptomatic. Morphology and digoxigenin labeling of DNA fragments revealed increased apoptosis in the brains of GKO mice compared with controls, although vital replication was not influenced at early stages of infection. Greater numbers of apoptotic cells in the brains of GKO mice correlated with neurological symptoms, as well as lower expression of the protective protooncogene bcl-2. Thus, IFN-γ inhibits apoptosis, affording neuronal protection from destructive encephalitis during viral infection of the central nervous system.

Original languageEnglish (US)
Pages (from-to)189-197
Number of pages9
JournalVirology
Volume238
Issue number2
DOIs
StatePublished - Nov 24 1997

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Human Herpesvirus 1
Interferons
Encephalitis
Brain
Central Nervous System Viral Diseases
Apoptosis
Eye Infections
Digoxigenin
Virus Diseases
Ataxia
Infection
Knockout Mice
Central Nervous System
Cell Count
DNA

ASJC Scopus subject areas

  • Virology

Cite this

Geiger, K. D., Nash, T. C., Sawyer, S., Krahl, T., Patstone, G., Reed, J. C., ... Sarvetnick, N. (1997). Interferon-γ protects against herpes simplex virus type 1-mediated neuronal death. Virology, 238(2), 189-197. https://doi.org/10.1006/viro.1997.8841

Interferon-γ protects against herpes simplex virus type 1-mediated neuronal death. / Geiger, Kathrin D.; Nash, Therese C.; Sawyer, Stephen; Krahl, Troy; Patstone, Gail; Reed, John C.; Krajewski, Stan; Dalton, Dyana; Buchmeier, Michael J.; Sarvetnick, Nora.

In: Virology, Vol. 238, No. 2, 24.11.1997, p. 189-197.

Research output: Contribution to journalArticle

Geiger, KD, Nash, TC, Sawyer, S, Krahl, T, Patstone, G, Reed, JC, Krajewski, S, Dalton, D, Buchmeier, MJ & Sarvetnick, N 1997, 'Interferon-γ protects against herpes simplex virus type 1-mediated neuronal death', Virology, vol. 238, no. 2, pp. 189-197. https://doi.org/10.1006/viro.1997.8841
Geiger KD, Nash TC, Sawyer S, Krahl T, Patstone G, Reed JC et al. Interferon-γ protects against herpes simplex virus type 1-mediated neuronal death. Virology. 1997 Nov 24;238(2):189-197. https://doi.org/10.1006/viro.1997.8841
Geiger, Kathrin D. ; Nash, Therese C. ; Sawyer, Stephen ; Krahl, Troy ; Patstone, Gail ; Reed, John C. ; Krajewski, Stan ; Dalton, Dyana ; Buchmeier, Michael J. ; Sarvetnick, Nora. / Interferon-γ protects against herpes simplex virus type 1-mediated neuronal death. In: Virology. 1997 ; Vol. 238, No. 2. pp. 189-197.
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