12076
To investigate in vivo regulatory mechanisms that control the population of type 2 T cells and disease susceptibility, we have created lines of transgenic mice in which expression of a chimeric cytokine receptor (the mouse interleukin 2 receptor beta chain [ IL-2Rbeta ] extracellular domain fused to the cytoplasmic tail of IL-4Ralpha ) is targeted to the T lymphoid lineage using the proximal lck promoter .
 interleukin 2 receptor beta chain, chimeric cytokine receptor, IL-4Ralpha, cytoplasmic tail, type 2 T cells, T lymphoid lineage, mouse interleukin 2 receptor beta chain, mouse interleukin 2 receptor beta chain [ IL-2Rbeta ] extracellular domain, proximal lck promoter, IL-2Rbeta
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:
 interleukin 2 receptor beta chain, chimeric cytokine receptor, IL-4Ralpha, cytoplasmic tail, type 2 T cells, T lymphoid lineage, mouse interleukin 2 receptor beta chain, mouse interleukin 2 receptor beta chain [ IL-2Rbeta ] extracellular domain, proximal lck promoter, IL-2Rbeta