8472
Although overexpressed Egr-1 was ineffective, overexpressed Egr-2 was as potent as Egr-3 in inducing fasL promoter-dependent reporter constructs in T cell hybridomas and HeLa cells, and both up-regulated endogenous fasL mRNA in HeLa cells .
 Egr-2, fasL mRNA, fasL promoter-dependent reporter constructs, Egr-1, HeLa cells, Egr-3, fasL
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:
 Egr-2, fasL mRNA, fasL promoter-dependent reporter constructs, Egr-1, HeLa cells, Egr-3, fasL