28610
Interestingly , all responders displayed a continuous decrease in Treg and Th1 numbers during TGP treatment , concomitant with significant decreases in Th1 - type cytokine levels .
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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