4301
Suppression of c-jun by antisense oligonucleotides inhibits cell adhesion but not respiratory burst during phorbol ester-induced differentiation of U937 human monoblastic cells .
 c-jun, U937 human monoblastic 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:
 c-jun, U937 human monoblastic cells