4106
Anergic CD4+ Th cells do not produce IL-2 when challenged with Ag-pulsed accessory cells because of a transcriptional defect .
 ( protein: IL-2, None) , ( cell line: Ag-pulsed accessory cells, None) , ( cell line: Anergic CD4+ Th 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 line: Ag-pulsed accessory cells, None) , ( cell line: Anergic CD4+ Th cells, None) 