9311
Thus , exposure of p65 knockout ( p65 ( - / - ) ) or wild type ( WT ) mouse embryonic fibroblasts ( MEFs ) to DOX resulted in a decrease in cell survival , culture density and cell proliferation , which was found to be more prominent in p65 ( - / - ) MEFs .
 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