3886
Interestingly , the expression of Id4 in Sertoli cells is only detectable after stimulation with FSH or cAMP .
 GENE: Id4; GENE: FSH
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Id4; GENE: FSH