9779
Oxypurinol and catalase inhibited phase-1 adhesion , suggesting a role for xanthine oxidase and H2O2 .
 catalase, xanthine oxidase
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:
 catalase, xanthine oxidase