7804
These data implicate TRAFs in STP-C488 -mediated transformation of human lymphocytes and rodent fibroblasts .
 TRAFs, fibroblasts, human lymphocytes, STP-C488
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:
 TRAFs, fibroblasts, human lymphocytes, STP-C488