5782
This was not observed when the NFAT-1 mutant LTR was activated by mitogen .
 mitogen, NFAT-1 mutant LTR, NFAT-1, LTR
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:
 mitogen, NFAT-1 mutant LTR, NFAT-1, LTR