8309
To further identify intracellular signals and downstream events important in CD34+ HPC --> DC differentiation we have characterized a human leukemic cell line model of this process.
 ( cell line: CD34+ HPC, None) , ( cell type: DC, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( cell line: CD34+ HPC, None) , ( cell type: DC, None) 