5329
In contrast, anti-CD3 and anti-CD28 stimulated Rel -/- T cells , which fail to proliferate, make little or no detectable cytokines .
 ( protein: cytokines, None) , ( protein: anti-CD3, None) , ( protein: Rel, None) , ( protein: anti-CD28, None) , ( cell line: Rel -/- T 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: cytokines, None) , ( protein: anti-CD3, None) , ( protein: Rel, None) , ( protein: anti-CD28, None) , ( cell line: Rel -/- T cells, None) 