5008
Moreover GM-CSF was able to induce JAK2 and p93fes catalytic activity .
 GM-CSF, JAK2, p93fes
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:
 GM-CSF, JAK2, p93fes