Herpes simplex type 1 infects and establishes latency in the brain and trigeminal ganglia during primary infection of the lip in cotton rats and mice

Herpes simplex type 1 infects and establishes latency in the brain and trigeminal ganglia during... The majority of the human population has been infected with herpes simplex virus type 1 (HSV-1). During a typical primary episode, HSV-1 spreads from the oral pharynx to the trigeminal ganglia, where a latent HSV-1 infection is established. Cold sores at the mucocutaneous junction of the lip are the typical manifestation of recurrent HSV-1. We investigated whether HSV-1 also infects the brain during the primary infection. We used HSV-1 infected BALB/c mice and inbred cotton rats as models. While both species were susceptible to HSV-1 infection, the time course of lesion formation and healing in the cotton rat more closely reflected that seen in humans. In both species, HSV-1 replicated in the brainstem and cerebellum, as well as the trigeminal ganglia during a primary infection of the lip. The brain infection was produced by a low inoculation dose, and did not cause observable neurologic signs or mortality. Using PCR and RT-PCR techniques, we demonstrated HSV-1 thymidine kinase in the absence of infectivity in the brains of both species 30–40 days after primary infection. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Herpes simplex type 1 infects and establishes latency in the brain and trigeminal ganglia during primary infection of the lip in cotton rats and mice

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Publisher
Springer-Verlag
Copyright
Copyright © 2002 by Springer-Verlag/Wien
Subject
Legacy
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s705-002-8309-9
Publisher site
See Article on Publisher Site

Abstract

The majority of the human population has been infected with herpes simplex virus type 1 (HSV-1). During a typical primary episode, HSV-1 spreads from the oral pharynx to the trigeminal ganglia, where a latent HSV-1 infection is established. Cold sores at the mucocutaneous junction of the lip are the typical manifestation of recurrent HSV-1. We investigated whether HSV-1 also infects the brain during the primary infection. We used HSV-1 infected BALB/c mice and inbred cotton rats as models. While both species were susceptible to HSV-1 infection, the time course of lesion formation and healing in the cotton rat more closely reflected that seen in humans. In both species, HSV-1 replicated in the brainstem and cerebellum, as well as the trigeminal ganglia during a primary infection of the lip. The brain infection was produced by a low inoculation dose, and did not cause observable neurologic signs or mortality. Using PCR and RT-PCR techniques, we demonstrated HSV-1 thymidine kinase in the absence of infectivity in the brains of both species 30–40 days after primary infection.

Journal

Archives of VirologySpringer Journals

Published: Jan 1, 2002

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