8956
Increased expression of wild-type NFAT1 substantially increases IL-4 promoter activity in unprimed CD4 T cells , suggesting NFAT1 may be limiting for IL-4 gene expression in this cell type.
 IL-4, NFAT1, NFAT1, IL-4, CD4 T cells, IL-4 promoter
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:
 IL-4, NFAT1, NFAT1, IL-4, CD4 T cells, IL-4 promoter