13830
The levels of p56lck and p59fyn were lower in tumor-draining than in normal LN T cells and production of tyrosine -phosphorylated substrates was markedly depressed following anti-CD3 stimulation .
 p59fyn, normal LN T cells, tyrosine -phosphorylated substrates, anti-CD3, p56lck
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:
 p59fyn, normal LN T cells, tyrosine -phosphorylated substrates, anti-CD3, p56lck