29744
Using single - molecule force measurement and fluorescence imaging , we have demonstrated that luteolin has an inhibitory effect on IGF - 1 ligand - receptor binding , the initial step in IGF - 1 signaling .
 Chemical: luteolin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: luteolin