12075
Strength of T cell receptor ( TCR ) signaling , coreceptors , costimulation , antigen-presenting cell type , and cytokines all play crucial roles in determining the efficiency with which type 2 T lymphocytes ( Th2 , Tc2 ) develop from uncommitted precursors .
 ( cell type: Tc2, None) , ( cell type: antigen-presenting cell type, None) , ( protein: uncommitted precursors, None) , ( protein: T cell receptor, None) , ( protein: TCR, None) , ( cell type: type 2 T lymphocytes, None) , ( cell type: T lymphocytes, None) , ( protein: coreceptors, None) , ( cell type: Th2, 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:
 ( cell type: Tc2, None) , ( cell type: antigen-presenting cell type, None) , ( protein: uncommitted precursors, None) , ( protein: T cell receptor, None) , ( protein: TCR, None) , ( cell type: type 2 T lymphocytes, None) , ( cell type: T lymphocytes, None) , ( protein: coreceptors, None) , ( cell type: Th2, None) 