11568
Constitutive expression of p50 homodimer in freshly isolated human monocytes decreases with in vitro and in vivo differentiation: a possible mechanism influencing human immunodeficiency virus replication in monocytes and mature macrophages.
 ( cell type: freshly isolated human monocytes, None) , ( cell type: monocytes, None) , ( protein: p50 homodimer, 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 type: freshly isolated human monocytes, None) , ( cell type: monocytes, None) , ( protein: p50 homodimer, None) 