2820
Tepoxalin , a dual enzyme inhibitor of cyclooxygenase and 5-lipoxygenase has been shown to inhibit T-cell activation .
 5-lipoxygenase, cyclooxygenase
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:
 5-lipoxygenase, cyclooxygenase