4295
Cell activation resulted in a delayed induction of STAT DNA-binding activity , which was sustained for several days, was composed predominantly of Stat1 and Stat3 , and was blocked by cycloheximide and actinomycin D .
 STAT, Stat1, Stat3
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:
 STAT, Stat1, Stat3