12963
Dexamethasone treatment completely blocked 12-O-tetradecanoylphorbol 13-acetate induction of nuclear factor-kappaB ( NF-kappaB ) activity and elicited an increase in the amount of immunoreactive IkappaB alpha in sensitive 6TG1.1 cells but not in resistant ICR27TK.3 cells .
 ICR27TK.3 cells, immunoreactive IkappaB alpha, 6TG1.1 cells, NF-kappaB, nuclear factor-kappaB
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:
 ICR27TK.3 cells, immunoreactive IkappaB alpha, 6TG1.1 cells, NF-kappaB, nuclear factor-kappaB