Research Article

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

Table 4

The effect of RNM scavengers on NK-cell-mediated killing of K562 cells.

Groups·OH (6 h) (U/mL)NO (6 h) (μmol/mL)TNF-β (24 h) pg/mLIFN-γ (24 h) pg/mLNCC%

IL-2/PHA  +  E  +  T 7 4 . 4 1 ± 3 . 0 5 8 2 . 1 0 ± 6 . 6 0 3 8 1 . 4 7 ± 1 0 . 6 4 2 7 7 . 1 4 ± 1 0 . 6 1 9 0 . 6 4 ± 3 . 0 6
IL-2/PHA +  E  +  T  +  MO 2 5 6 . 0 8 ± 8 . 5 2 1 9 3 . 6 5 ± 5 . 9 5 1 1 4 . 3 9 ± 7 . 4 5 7 6 . 8 1 ± 9 . 5 0 6 1 . 2 9 ± 2 . 2 2
IL-2/PHA  +  E  +  T  +  MO  +  DHC 1 0 1 . 3 7 ± 5 . 5 6 * 1 8 8 . 9 2 ± 5 . 0 0 1 3 4 . 1 0 ± 6 . 6 8 * 1 0 7 . 8 9 ± 6 . 5 5 * 7 2 . 2 0 ± 4 . 1 0 *
IL-2/PHA  +  E  +  T  +  MO   +  TIP 1 0 7 . 0 2 ± 6 . 3 9 * 9 1 . 3 2 ± 6 . 8 1 * 1 8 5 . 0 0 ± 4 . 5 1 * 1 4 6 . 7 1 ± 6 . 9 6 * 8 4 . 3 1 ± 4 . 5 6 *
IL-2/PHA  +  E  +  T  +  MO   +  GSH 1 0 8 . 6 9 ± 6 . 0 5 * 8 4 . 6 6 ± 5 . 9 9 * 1 8 1 . 9 1 ± 5 . 9 2 * 1 4 4 . 1 1 ± 6 . 0 3 * 8 1 . 6 5 ± 3 . 0 9 *

𝑛 = 3 ; ONOO 200 umol/L; DHT 20 umol/L, TIP 50 umol/L, GSH 50 umol/L; T is K562 cells, E is mononuclear enriching NK cells E/T = 10/1; * 𝑃 < 0 . 0 5 , compared with IL-2/PHA  +  NK  +  K562  +  MO.