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MAbs against the dUTPase reacted with a protein of approximately 31 kDa in 12-O-tetradecanoyl-phorbol-13-acetate ( TPA )-stimulated B cells harbouring either type 1 or type 2 EBV .
 12-O-tetradecanoyl-phorbol-13-acetate ( TPA )-stimulated B cells, dUTPase
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:
 12-O-tetradecanoyl-phorbol-13-acetate ( TPA )-stimulated B cells, dUTPase