4722
An AP-1 site at -146 to -140 was shown to be involved in the expression of the IL-9 gene .
 IL-9 gene, IL-9
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 IL-9 gene, IL-9