Abstract:
:Natural killer (NK) cells have traditionally been considered nonspecific components of innate immunity, but recent studies have shown features of antigen-specific memory in mouse NK cells. However, it has remained unclear whether this phenomenon also exists in primates. We found that splenic and hepatic NK cells from SHIV(SF162P3)-infected and SIV(mac251)-infected macaques specifically lysed Gag- and Env-pulsed dendritic cells in an NKG2-dependent fashion, in contrast to NK cells from uninfected macaques. Moreover, splenic and hepatic NK cells from Ad26-vaccinated macaques efficiently lysed antigen-matched but not antigen-mismatched targets 5 years after vaccination. These data demonstrate that robust, durable, antigen-specific NK cell memory can be induced in primates after both infection and vaccination, and this finding could be important for the development of vaccines against HIV-1 and other pathogens.
journal_name
Nat Immunoljournal_title
Nature immunologyauthors
Reeves RK,Li H,Jost S,Blass E,Li H,Schafer JL,Varner V,Manickam C,Eslamizar L,Altfeld M,von Andrian UH,Barouch DHdoi
10.1038/ni.3227subject
Has Abstractpub_date
2015-09-01 00:00:00pages
927-32issue
9eissn
1529-2908issn
1529-2916pii
ni.3227journal_volume
16pub_type
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