HLA-specific intracellular epitope processing shapes an immunodominance pattern for HLA-B*57 that is distinct from HLA-B*58:01.

Abstract:

:HLA-B*57 is strongly associated with immune control of HIV and delayed AIDS progression. The closely related, but less protective, HLA-B*58:01 presents similar epitopes, but HLA-B*58:01(+) individuals do not generate CD8(+) T cells targeting the KF11-Gag epitope, which has been linked to low viremia. Here we show that HLA-B*58:01 binds and presents KF11 peptide, but HIV-infected HLA-B*58:01(+) cells fail to process KF11. This unexpected finding demonstrates that immunodominance patterns can be influenced by intracellular events independent of HLA binding motifs.

journal_name

J Virol

journal_title

Journal of virology

authors

Kløverpris HN,Stryhn A,Harndahl M,Payne R,Towers GJ,Chen F,Riddell L,Walker BD,Ndung'u T,Leslie A,Buus S,Goulder P

doi

10.1128/JVI.01122-13

subject

Has Abstract

pub_date

2013-10-01 00:00:00

pages

10889-94

issue

19

eissn

0022-538X

issn

1098-5514

pii

JVI.01122-13

journal_volume

87

pub_type

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