9313
Furthermore , DOX - treated WT and p65 ( - / - ) MEFs differed in their expression of various apoptosis - associated molecules , when the former demonstrated a decrease in the percentage of p65 - positive and a more prominent decrease in the percentage of p53 - positive cells , while a decreased percentage of I kappa B alpha - positive and a more prominent decrease in the percentage of bcl - 2 - positive cells was detected among the latter .
 Chemical: DOX
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: DOX