Herpesvirus entry mediator and ocular herpesvirus infection: More than meets the eye

Rebecca G. Edwards, Richard Longnecker*

*Corresponding author for this work

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

As its name suggests, the host receptor herpesvirus entry mediator (HVEM) facilitates herpes simplex virus (HSV) entry through interactions with a viral envelope glycoprotein. HVEM also bridges several signaling networks, binding ligands from both tumor necrosis factor (TNF) and immunoglobulin (Ig) superfamilies with diverse, and often opposing, outcomes. While HVEM was first identified as a viral entry receptor for HSV, it is only recently that HVEM has emerged as an important host factor in immunopathogenesis of ocular HSV type 1 (HSV-1) infection. Surprisingly, HVEM exacerbates disease development in the eye independently of entry. HVEM signaling has been shown to play a variety of roles in modulating immune responses to HSV and other pathogens, and there is increasing evidence that these effects are responsible for HVEM-mediated pathogenesis in the eye. Here, we review the dual branches of HVEM function during HSV infection: entry and immunomodulation. HVEM is broadly expressed; intersects two important immunologic signaling networks; and impacts autoimmunity, infection, and inflammation. We hope that by understanding the complex range of effects mediated by this receptor, we can offer insights applicable to a wide variety of disease states.

Original languageEnglish (US)
Article numbere00115-17
JournalJournal of virology
Volume91
Issue number13
DOIs
StatePublished - Jul 1 2017

Keywords

  • HVEM
  • Herpes simplex virus
  • Herpes stromal keratitis

ASJC Scopus subject areas

  • Microbiology
  • Immunology
  • Insect Science
  • Virology

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