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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.

Original publication

DOI

10.1128/JVI.01122-13

Type

Journal article

Journal

J Virol

Publication Date

10/2013

Volume

87

Pages

10889 - 10894

Keywords

CD8-Positive T-Lymphocytes, Epitopes, HIV Infections, HIV-1, HLA-B Antigens, Humans, Peptide Fragments, T-Lymphocytes, Cytotoxic, Viral Load, Viremia, gag Gene Products, Human Immunodeficiency Virus