5841
Cutting edge: TCR stimulation by antibody and bacterial superantigen induces Stat3 activation in human T cells .
 TCR, human T cells, 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:
 TCR, human T cells, Stat3