900
When dexamethasone was added to the cultures 3 hours after the stimulators, it clearly decreased the interleukin-1 beta mRNA levels regardless of the stimulator used (although the effect was clearly weaker on the PMA-induced mRNA ).
 protein: interleukin-1 beta; RNA: interleukin-1 beta mRNA; RNA: PMA-induced mRNA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: interleukin-1 beta; RNA: interleukin-1 beta mRNA; RNA: PMA-induced mRNA