4556
A series of studies have recently demonstrated that the oxidative stress , nuclear factor - kappa B ( NF - kappa B ) activation and the subsequent coordinated inflammatory responses played an important role in the pathogenesis of urate nephropathy ( UN ) .
 Chemical: urate
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: urate