10980
To identify genes that are expressed in T cells after stimulation, mRNA from T lymphocytes that had been activated by the simultaneous stimulation of the CD3 and CD28 trigger molecules was transcribed for a differential mRNA display analysis into cDNA and was compared with cDNA from CD28 -or CD3 -activated or resting lymphocytes .
 ( protein: CD3, None) , ( cell type: T cells, None) , ( protein: CD28, None) , ( cell type: lymphocytes, None) , ( cell type: T lymphocytes, None) , ( protein: CD3, None) , ( protein: CD28, 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: CD3, None) , ( cell type: T cells, None) , ( protein: CD28, None) , ( cell type: lymphocytes, None) , ( cell type: T lymphocytes, None) , ( protein: CD3, None) , ( protein: CD28, None) 