477
We have investigated the induction of these genes by macrophage-CSF ( M-CSF ) in human monocytes that do not proliferate in response to M-CSF but require the factor for optimal cell differentiation .
 protein: macrophage-CSF; cell type: human monocytes; protein: M-CSF; 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: macrophage-CSF; cell type: human monocytes; protein: M-CSF; protein: M-CSF