1449
After 3 h incubation the specific binding power with [3H] Dex was decreased by 23.3 +/- 10.0, 32.2 +/- 13.2 and 54.3 +/- 9.2% (P greater than 0.05, P greater than 0.05 and P less than 0.01 as compared with the control value of 100 in the absence of insulin ) respectively in the presence of 20 mU/L (physiological testing concentration), 200 mU/L ( physiological upper limit ) and 2,000 mU/L ( pharmacological concentration ) insulin in the incubation medium.
 protein: insulin; protein: insulin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: insulin; protein: insulin