27795
Promoter assay revealed that prunetin inhibits LPS - induced nitric oxide and prostaglandin E2 production through the suppression of iNOS and COX - 2 at the transcriptional level .
 prunetin, nitric oxide, prostaglandin E2
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 prunetin, nitric oxide, prostaglandin E2