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Since the activation of NFAT is MAPK -dependent these findings suggested that the activation of MAPK by Tpl-2 is either independent or only partially dependent on MEK1 and MEK2 .
 Tpl-2, MEK2, NFAT, MAPK, MEK1, MAPK
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:
 Tpl-2, MEK2, NFAT, MAPK, MEK1, MAPK