12520
Differential activation of functionally distinct STAT5 proteins by IL-5 and GM-CSF during eosinophil and neutrophil differentiation from human CD34+ hematopoietic stem cells .
 STAT5 proteins, GM-CSF, human CD34+ hematopoietic stem cells, IL-5
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:
 STAT5 proteins, GM-CSF, human CD34+ hematopoietic stem cells, IL-5