12908
The present study shows that, instead of T cells , B cells are generated in the thymus of a line, tg epsilon26, of the human CD3epsilon transgenic mice .
 T cells, B cells
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:
 T cells, B cells