Table 1.

NK-activity of ML after coincubation with trans-R.

Concentration trans-R in medium, M	NK-activity
	К-562/ML ratio 1:10	К-562/ML ratio 1:5	К-562/ML ratio 1:2
10-5	52 ± 7.9%	48 ± 10.8%	7 ± 2.2%
10-6	61 ± 6.8%	53 ± 8.7%	5 ± 3.4%
10-7	45 ± 5.7%	28 ± 3.8%	4 ± 1.9%
Control	46 ± 5.8%	26 ± 7.3%	7 ± 2.7%