2267
This effect is independent of differentiation and is mediated by RAR alpha in HL-60 cells , suggesting a similar role for RAR alpha in CD38 expression in other hematopoietic cells .
 ( cell type: hematopoietic cells, None) , ( protein: RAR alpha, None) , ( cell type: HL-60 cells, None) , ( protein: RAR alpha, None) , ( protein: CD38, 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: hematopoietic cells, None) , ( protein: RAR alpha, None) , ( cell type: HL-60 cells, None) , ( protein: RAR alpha, None) , ( protein: CD38, None) 