10208
Further analysis has revealed that this 1-kb fragment promotes higher reporter gene activity in MNDA -expressing cells than non-expressing cells , indicating cell-specific differences in transactivation .
 ( cell type: -expressing cells, None) , ( DNA: 1-kb fragment, None) , ( protein: MNDA, None) , ( cell type: non-expressing cells, 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: -expressing cells, None) , ( DNA: 1-kb fragment, None) , ( protein: MNDA, None) , ( cell type: non-expressing cells, None) 