13454
This was associated with the down-regulation of IL-12p40 mRNA expression .
 IL-12p40 mRNA, IL-12p40
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-12p40 mRNA, IL-12p40