text: 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 IκBα-positive and a more prominent decrease in the percentage of bcl-2-positive cells was detected among the latter.