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AP-1 is an integral component of the nuclear factor of activated T cells (NFAT) transcriptional complex , which is required for interleukin 2 gene expression in T cells .
 T cells, T cells, AP-1, nuclear factor of activated T cells (NFAT) transcriptional complex, nuclear factor of activated T cells, interleukin 2 gene
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:
 T cells, T cells, AP-1, nuclear factor of activated T cells (NFAT) transcriptional complex, nuclear factor of activated T cells, interleukin 2 gene