In vivo reactivation of latent Herpes simplex virus 1 in mice can occur in the brain before occurring in the trigeminal ganglion

研究成果: Article同行評審

53 引文 斯高帕斯(Scopus)

摘要

Herpes simplex virus 1 (HSV-1) establishes latency in neurons of the brains and sensory ganglia of humans and experimentally infected mice. The latent virus can reactivate to cause recurrent infection. Both primary and recurrent infections can induce diseases, such as encephalitis. In humans, the majority of encephalitis cases occur as a recurrent infection. However, in the past, numerous mouse studies documented that viral reactivation occurs efficiently in the ganglion, but extremely rarely in the brain, when assessed ex vivo by cultivating minced tissue explants. Here, we compare the brains and the trigeminal ganglia of mice latently infected with HSV-1 (strain 294.1 or McKrae) for levels of viral genomes and in vivo reactivation. The numbers of copies of 294.1 and McKrae genomes in the brain stem were significantly greater than those in the trigeminal ganglion. Most importantly, 294.1 and McKrae reactivation was detected in the brain stems earlier than in the trigeminal ganglia of mice treated with hyperthermia to reactivate latent virus in vivo. In addition, the brain stem yielded reactivated virus at a high frequency compared with the trigeminal ganglion, especially in mice latently infected with 294.1 after hyperthermia treatment. These results provide evidence that recurrent brain infection can be induced by the reactivation of latent virus in the brain in situ.

原文English
頁(從 - 到)11264-11270
頁數7
期刊Journal of Virology
88
發行號19
DOIs
出版狀態Published - 2014

All Science Journal Classification (ASJC) codes

  • 微生物學
  • 免疫學
  • 昆蟲科學
  • 病毒學

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