3028
In contrast to their inhibitory effects on cytokine expression , GCS up-regulate cytokine receptor expression that correlates with enhanced cytokine effects on target cells .
 ( protein: cytokine, None) , ( protein: cytokine receptor, None) , ( cell type: target cells, None) , ( protein: cytokine, None) , ( protein: cytokine, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: cytokine, None) , ( protein: cytokine receptor, None) , ( cell type: target cells, None) , ( protein: cytokine, None) , ( protein: cytokine, None) 