7317
Present data suggest that H2O2 and vanadate are likely to inhibit the activity of intracellular tyrosine phosphatase (s), leading to enhanced STAT3 tyrosine phosphorylation and hence its translocation to the nucleus.
 intracellular tyrosine phosphatase, STAT3
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:
 intracellular tyrosine phosphatase, STAT3