ау от 0, 5 до 0, 9 µg/ ml, а за потискане на IL- 2 – медиираната биологична активност – нива от 5- 10 µg/ ml.
Serum levels of 0.5 to 0.9 µg/ ml are needed to saturate the IL-2 receptor and levels of 5-10 µg/ ml are needed to inhibit IL-2 mediated biologic activity.