2265
Following culture with ATRA , increased CD38 protein levels were also observed in normal CD34+ bone marrow cells , but not on normal circulating granulocytes .
 ( protein: CD38, None) , ( cell type: normal CD34+ bone marrow cells, None) , ( cell type: normal circulating granulocytes, 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:
 ( protein: CD38, None) , ( cell type: normal CD34+ bone marrow cells, None) , ( cell type: normal circulating granulocytes, None) 