481
Within 15 to 30 min of addition of M-CSF , however, there was a dramatic coordinate induction of these genes.
 protein: M-CSF
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: M-CSF