15802
A ( 2A ) R antagonist increased chemotaxis of activated CD4 ( + ) cells from WT mice in vitro , and A ( 2A ) R agonist reduced this effect ( P < 0 . 05 ) .
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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:
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