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Immunological evasion of immediate-early varicella zoster virus proteins

Journal Contribution - Journal Article

The varicella zoster virus (VZV) causes the childhood disease commonly known as chickenpox and can later in life reactivate as herpes zoster. The adaptive immune system is known to play an important role in suppressing VZV reactivation. A central aspect of this system is the presentation of VZV-derived peptides by the major histocompatibility complex (MHC) proteins. Here, we investigate if key VZV proteins have evolved their amino acid sequence to avoid presentation by MHC based on predictive models of MHC-peptide affinity. This study shows that the immediate-early proteins of all characterized VZV strains are profoundly depleted for high-affinity MHC-I-restricted epitopes. The same depletion can be found in its closest animal analog, the simian varicella virus. Further orthology analysis towards other herpes viruses suggests that the protein amino acid frequency is one of the primary drivers of targeted epitope depletion.
Journal: IMMUNOGENETICS
ISSN: 0093-7711
Issue: 6-7
Volume: 68
Pages: 483 - 486
Number of pages: 4
Publication year:2016
Keywords:HLA association, MHC affinity prediction, varicella zoster virus, viral immune evasion, Varicella zoster virus, Viral immune evasion
BOF-keylabel:yes
IOF-keylabel:yes
BOF-publication weight:1
CSS-citation score:1
Authors:International
Authors from:Higher Education
Accessibility:Closed