16214
Second , Dex reduces the expression of tTG when associated with RA despite stimulating its expression when used alone .
 Chemical: Dex
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: Dex 
Answer:
 Chemical: Dex