3654
This multiple cytokine production deficiency could not be restored by IL-2 or co-stimulatory signals provided by antigen-presenting cells ( APC ).
 ( protein: IL-2, None) , ( cell type: APC, None) , ( protein: cytokine, None) , ( cell type: antigen-presenting cells, 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: IL-2, None) , ( cell type: APC, None) , ( protein: cytokine, None) , ( cell type: antigen-presenting cells, None) 