Table 1.

Amount of IL-8 recovered in supernatants of NK cells after 72 h culture period.

Stimulant	IL-8 (Pg/mL) in NK cells supernatants
RPMI	88.6 ± 21.5
IL-15 (1 ng/mL)	178.9 ± 23.6
Vit D3 (10–6 M)	59.2 ± 16.3***
SB203580 (10–5 M)	15 ± 0.5***
IL-15 (1 ng/mL) + SB203580 (10–5 M)	54.75***

Results are ±SEM of 4–8 independent experiments. Asterisks indicate P < 0.05 by paired t-test.