4627
Unlike many hematopoietin receptors , the IL-10R did not detectably activate STAT5 .
 IL-10R, STAT5, hematopoietin receptors
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:
 IL-10R, STAT5, hematopoietin receptors