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 .
 -expressing cells, 1-kb fragment, MNDA, non-expressing cells
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 -expressing cells, 1-kb fragment, MNDA, non-expressing cells