11835
A chimeric IL-6 receptor , comprised of the intracellular tail of the IL-6 receptor subunit gp130 fused to the extracellular domain of the epidermal growth factor (EGF) receptor , was stably transfected into SKW6.4 cells .
 gp130, SKW6.4 cells, intracellular tail, IL-6 receptor subunit, extracellular domain, IL-6, epidermal growth factor (EGF) receptor, IL-6 receptor, IL-6
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:
 gp130, SKW6.4 cells, intracellular tail, IL-6 receptor subunit, extracellular domain, IL-6, epidermal growth factor (EGF) receptor, IL-6 receptor, IL-6