Antibody-Dependent Cellular Cytotoxicity and NK Cell-Driven Immune Escape in HIV Infection: Implications for HIV Vaccine Development
Author(s) -
Gamze Isitman,
Ivan Stratov,
Stephen J. Kent
Publication year - 2012
Publication title -
advances in virology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.956
H-Index - 25
eISSN - 1687-8647
pISSN - 1687-8639
DOI - 10.1155/2012/637208
Subject(s) - antibody dependent cell mediated cytotoxicity , immune system , antibody , immunology , cytotoxicity , cytotoxic t cell , biology , virology , hiv vaccine , immune escape , virus , human immunodeficiency virus (hiv) , monoclonal antibody , vaccine trial , genetics , in vitro
The HIV-1 genome is malleable and a difficult target tot vaccinate against. It has long been recognised that cytotoxic T lymphocytes and neutralising antibodies readily select for immune escape HIV variants. It is now also clear that NK cells can also select for immune escape. NK cells force immune escape through both direct Killer-immunoglobulin-like receptor (KIR)-mediated killing as well as through facilitating antibody-dependent cellular cytotoxicity (ADCC). These newer finding suggest NK cells and ADCC responses apply significant pressure to the virus. There is an opportunity to harness these immune responses in the design of more effective HIV vaccines.
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