2352
A DNA fragment containing 128 bp of upstream sequence had strong, monocyte-specific promoter activity in the CD14 positive monocytic cell line Mono Mac 6 as compared to the nonmonocytic cell lines HeLa and REX .
 ( cell line: CD14 positive monocytic cell line, None) , ( DNA: DNA fragment, None) , ( protein: CD14, None) , ( DNA: 128 bp of upstream sequence, None) , ( cell line: Mono Mac 6, None) , ( cell line: nonmonocytic cell lines, None) , ( cell line: REX, None) , ( cell line: HeLa, 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 line: CD14 positive monocytic cell line, None) , ( DNA: DNA fragment, None) , ( protein: CD14, None) , ( DNA: 128 bp of upstream sequence, None) , ( cell line: Mono Mac 6, None) , ( cell line: nonmonocytic cell lines, None) , ( cell line: REX, None) , ( cell line: HeLa, None) 