Table 1.

MTT reduction assay in stimulated eosinophils in vitro.

Treatment	MTT Reduction (% control)
	2 h	3 h	4 h
Eotaxin
(10 ng/ml)	84.6 ± 6.6	113.0 ± 6.1	91.0 ± 2.7
(100 ng/ml)	113.8 ± 5.0*	130.7 ± 2.3*	127.3 ± 3.6*
(1000 ng/ml)	124.7 ± 5.0*	138.4 ± 2.0*	146.0 ± 11.8*
RANTES
(10 ng/ml)	104.8 ± 1.6	128.8 ± 8.0*	105.8 ± 1.0
(100 ng/ml)	118.9 ± 2.8*	133.4 ± 3.6*	138.4 ± 6.0*
(1000 ng/ml)	117.4 ± 3.8*	118.0 ± 1.0*	147.0 ± 6.9*

Eosinophil suspension (2 × 10⁶cells/ml) was incubated for 2, 3 or 4 h with eotaxin (10–1000 ng/ml) or RANTES (10–1000 ng/ml). Each experiment was carried out in triplicate (n = 3). Results are expressed as MTT reduction (% control). *P < 0.05 compared to respective untreated cells.