Article
Epstein-Barr virus isolates retain their capacity to evade T cell immunity through BNLF2a despite extensive sequence variation.
Journal of virology - 1 Jan 2012
Horst Daniëlle, Burrows Scott R, Gatherer Derek, van Wilgenburg Bonnie, Bell Melissa J, Boer Ingrid G J, Ressing Maaike E, Wiertz Emmanuel J H J
Abstract excerpt
The Epstein-Barr virus (EBV)-encoded immune evasion protein BNLF2a inhibits the transporter associated with antigen processing (TAP), thereby downregulating HLA class I expression at the cell surface. As a consequence, recognition of EBV-infected cells by cytotoxic T cells is impaired. Here, we show that sequence polymorphism of the BNLF2a protein is observed with natural EBV isolates, with evidence for positive...
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