11114
Exogenous recombinant Tat protein was also able to upregulate c-fos promoter activity in serum-activated Jurkat and U937 cells , as well as endogenous c-fos mRNA expression and c-Fos protein synthesis in both serum-activated cell lines and primary PBMC .
 ( RNA: c-fos mRNA, None) , ( protein: Tat, None) , ( cell line: U937 cells, None) , ( cell line: serum-activated cell lines, None) , ( protein: recombinant Tat protein, None) , ( protein: c-Fos, None) , ( cell type: primary PBMC, None) , ( DNA: c-fos promoter, None) , ( cell type: PBMC, 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:
 ( RNA: c-fos mRNA, None) , ( protein: Tat, None) , ( cell line: U937 cells, None) , ( cell line: serum-activated cell lines, None) , ( protein: recombinant Tat protein, None) , ( protein: c-Fos, None) , ( cell type: primary PBMC, None) , ( DNA: c-fos promoter, None) , ( cell type: PBMC, None) 