Research Article

Effects of Reactive Nitrogen Scavengers on NK-Cell-Mediated Killing of K562 Cells

Table 1

The effect of ONOO on the activity of NK cell.

GroupsNO (6 h) (μmol/mL)NK (6 h) %NK (24 h) %TNF-β (24 h) pg/mLIFN-γ (24 h) pg/mLNCC (24 h) %

Control 1 1 . 2 9 ± 5 . 0 2 6 . 6 3 ± 6 . 4 2 1 0 . 8 0 ± 5 . 0 5
E 5 2 . 9 0 ± 8 . 6 1 8 9 . 8 7 ± 1 . 9 3 8 7 . 3 7 ± 2 . 1 1 1 8 3 . 0 8 ± 7 . 4 5 1 3 6 . 3 2 ± 6 . 5
T 2 5 . 6 8 ± 5 . 9 6 1 1 . 9 6 ± 5 . 8 9 1 2 . 0 2 ± 9 5
E + T 9 5 . 3 6 ± 6 . 4 5 9 0 . 5 7 ± 2 . 5 2 9 2 . 1 6 ± 2 . 5 3 1 9 8 . 6 4 ± 7 . 3 3 1 4 6 . 4 3 ± 6 . 4 9 6 6 . 3 2 ± 4 . 3 4
E + O N O O 2 6 4 . 8 5 ± 9 . 1 6 # 8 0 . 4 1 ± 2 . 5 2 # 8 1 . 0 5 ± 1 . 5 8 # 8 6 . 0 7 ± 7 . 5 1 # 5 8 . 4 6 ± 6 . 1 2 #
T + O N O O 2 2 8 . 3 5 ± 8 . 4 5 * 1 1 . 0 7 ± 5 . 5 2 1 2 . 1 0 ± 5 . 0 2
E + T + O N O O 2 6 1 . 0 3 ± 6 . 5 7 8 0 . 9 7 ± 1 . 6 7 7 7 3 . 8 7 ± 1 . 0 2 1 9 1 . 6 8 ± 6 . 0 0 5 8 . 4 7 ± 6 . 9 9 4 3 . 8 4 ± 3 . 4 2

𝑛 = 3 ; T is K562 cells, E is mononuclear enriching NK cells E/T = 10/1; # 𝑃 < 0 . 0 5 , comparison between group E + O N O O and group E; * 𝑃 < 0 . 0 5 , comparison between group T + O N O O and group T; 𝑃 < 0 . 0 5 comparison between group E + T + O N O O and group E + T .