11993
In contrast , inhibition of IGF - I receptor ( IGF - IR ) activity or expression using pharmacological , genetic , or biochemical approaches prevented the FSH - and cAMP - induced expression of steroidogenic genes and estradiol production .
 Chemical: cAMP; Chemical: estradiol
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: cAMP; Chemical: estradiol