8045
As a mechanism of action , the knockdown of TLR4 with small interfering RNA decreased the ADP - induced production of nitric oxide and IL - 12 by DCs , suggesting the membrane receptor candidate of ADP .
 Chemical: nitric oxide
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: nitric oxide