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As a first step toward elucidating the function of Cbl in TCR -initiated signaling , we evaluated the ability of wild-type Cbl or a transforming Cbl mutant (70Z/3) to induce transcriptional activation of a nuclear factor of activated T cells ( NFAT ) element derived from the interleukin 2 ( IL2 ) promoter in transiently cotransfected Jurkat-TAg T cells .
 ( protein: Cbl, None) , ( protein: TCR, None) , ( protein: Cbl mutant, None) , ( protein: Cbl, None) , ( protein: interleukin 2, None) , ( cell line: Jurkat-TAg T cells, None) , ( protein: NFAT, None) , ( protein: nuclear factor of activated T cells, None) , ( cell type: T cells, None) , ( cell type: T cells, None) , ( DNA: interleukin 2 ( IL2 ) promoter, None) , ( protein: Cbl, None) , ( DNA: nuclear factor of activated T cells ( NFAT ) element, None) , ( protein: wild-type Cbl, None) , ( protein: IL2, 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: Cbl, None) , ( protein: TCR, None) , ( protein: Cbl mutant, None) , ( protein: Cbl, None) , ( protein: interleukin 2, None) , ( cell line: Jurkat-TAg T cells, None) , ( protein: NFAT, None) , ( protein: nuclear factor of activated T cells, None) , ( cell type: T cells, None) , ( cell type: T cells, None) , ( DNA: interleukin 2 ( IL2 ) promoter, None) , ( protein: Cbl, None) , ( DNA: nuclear factor of activated T cells ( NFAT ) element, None) , ( protein: wild-type Cbl, None) , ( protein: IL2, None) 