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Tomasec P;Wang EC;Groh V;Spies T;McSharry BP;Aicheler RJ;Stanton RJ;Wilkinson GW;
2007
April
Journal of General Virology
Adenovirus vector delivery stimulates natural killer cell recognition.
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88
Pt 4
We report that delivery of first-generation replication-deficient adenovirus (RDAd) vectors into primary human fibroblasts is associated with the induction of natural killer (NK) cell-mediated cytolysis in vitro. RDAd vector delivery induced cytolysis by a range of NK cell populations including the NK cell clone NKL, primary polyclonal NK lines and a proportion of NK clones (36 %) in autologous HLA-matched assays. Adenovirus-induced cytolysis was inhibited by antibody blocking of the NK-activating receptor NKG2D, implicating this receptor in this function. NKG2D is ubiquitously expressed on NK cells and CD8(+) T cells. Significantly, gamma-irradiation of the vector eliminated the effect, suggesting that breakthrough expression from the vector induces at least some of the pro-inflammatory responses of unknown aetiology following the application of RDAd vectors during in vivo gene delivery.
0022-1317
10.1099/vir.0.82685-0
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