Table 2.

Protein synthesis responses

Treatment	[35S]Methionine incorporation, cpm
Control	3937  ±  504
IGF-I 10 ng/ml	5719  ±  499
IGF-I 20 ng/ml	6943  ±  821
IGF-I 50 ng/ml	8862  ±  669
IGF-I 50 ng/ml + echistatin 10−9 M	7318  ±  801
IGF-I 50 ng/ml + echistatin 10−8 M	5004  ±  662
IGF-I 50 ng/ml + echistatin 10−7 M	4001  ±  390
Echistatin 10−7 M	3788  ±  422

The results are the mean ± SD of triplicate determinations in two separate experiments.