2267
This was associated with elevated renal mPGES - 1 protein expression and increased urine PGE ( 2 ) excretion .
 Chemical: PGE ( 2 )
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: PGE ( 2 )