Article
Immune selection for altered antigen processing leads to cytotoxic T lymphocyte escape in chronic HIV-1 infection.
The Journal of experimental medicine - 5 Apr 2004
Draenert Rika, Le Gall Sylvie, Pfafferott Katja J, Leslie Alasdair J, Chetty Polan, Brander Christian, Holmes Edward C, Chang Shih-Chung, Feeney Margaret E, Addo Marylyn M, Ruiz Lidia, Ramduth Danni, Jeena Prakash, Altfeld Marcus, Thomas Stephanie, Tang Yanhua, Verrill Cori L, Dixon Catherine, Prado Julia G, Kiepiela Photini, Martinez-Picado Javier, Walker Bruce D, Goulder Philip J R
Abstract excerpt
Mutations within cytotoxic T lymphocyte (CTL) epitopes impair T cell recognition, but escape mutations arising in flanking regions that alter antigen processing have not been defined in natural human infections. In human histocompatibility leukocyte antigen (HLA)-B57+ HIV-infected persons, immune selection pressure leads to a mutation from alanine to proline at Gag residue 146 immediately preceding the NH2...
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