12057
In vivo short - term P2X7R targeting ( using periodate - oxidized ATP [ oATP ] ) delays islet allograft rejection , reduces the frequency of Th1 / Th17 cells , and induces hyporesponsiveness toward donor antigens .
 Chemical: ATP; Chemical: oATP
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: ATP, oATP 
Answer:
 Chemical: ATP; Chemical: oATP