12363
Our data indicated that PA inhibits the over - expression of iNOS and IL - 6 in protein and mRNA levels in LPS - stimulated RAW264 . 7 and TNF - alpha stimulated HT - 29 cells .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None