22564
HEE suppressed SCF / IL - 10 / LPS - induced PGD2 generation , and concomitantly reduced COX - 2 protein expression dose - dependently .
 Chemical: PGD2
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: PGD2