15797
Activation of the adenosine 2A receptor ( A ( 2A ) R ) reduces inflammation in models of acute injury but contribution in development of chronic abdominal aortic aneurysms ( AAAs ) is unknown .
 Chemical: adenosine
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: adenosine