NK Cells in HIV-1 Infection: From Basic Science to Vaccine Strategies

被引:84
作者
Florez-Alvarez, Lizdany [1 ,2 ]
Hernandez, Juan C. [2 ]
Zapata, Wildeman [1 ,2 ]
机构
[1] Univ Antioquia UdeA, Fac Med, Grp Inmunovirol, Medellin, Colombia
[2] Univ Cooperativa Colombia, Fac Med, Infettare, Medellin, Colombia
关键词
natural killer cells; HIV-1; HIV resistance; HIV vaccine; memory NK cells; NATURAL-KILLER-CELLS; T-CELL; DENDRITIC CELLS; IN-VIVO; UNINFECTED INDIVIDUALS; ANTI-HIV-1; ANTIBODIES; MEDIATED CYTOTOXICITY; NKG2D IMMUNORECEPTOR; ADAPTIVE IMMUNITY; INTERFERON-GAMMA;
D O I
10.3389/fimmu.2018.02290
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
NK cells play a key role in immune response against HIV infection. These cells can destroy infected cells and contribute to adequate and strong adaptive immune responses, by acting on dendritic, T, B, and even epithelial cells. Increased NK cell activity reflected by higher cytotoxic capacity, IFN-gamma and chemokines (CCL3, CCL4, and CCL5) production, has been associated with resistance to HIV infection and delayed AIDS progression, demonstrating the importance of these cells in the antiviral response. Recently, a subpopulation of NK cells with adaptive characteristics has been described and associated with lower HIV viremia and control of infection. These evidences, together with some degree of protection shown in vaccine trials based on boosting NK cell activity, suggest that these cells can be a feasible option for new treatment and vaccination strategies to overcome limitations that, classical vaccination approaches, might have for this virus. This review is focus on the NK cells role during the immune response against HIV, including all the effector mechanisms associated to these cells; in addition, changes including phenotypic, functional and frequency modifications during HIV infection will be pointed, highlighting opportunities to vaccine development based in NK cells effector functions.
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页数:13
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