5075
Pretreatment of cells with vanadate prevented the effects of PMA with regard to PMA -induced Tyk2 dephosphorylation .
 Tyk2
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:
 Tyk2