13737
We have recently described an inherited over-expression of the macrophage scavenger receptor ( SR ) in blood monocytes from members of a kindred, only two of whom displayed extensive xanthomatosis .
 ( cell type: monocytes, None) , ( protein: macrophage scavenger receptor, None) , ( cell type: blood monocytes, None) , ( protein: SR, 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: monocytes, None) , ( protein: macrophage scavenger receptor, None) , ( cell type: blood monocytes, None) , ( protein: SR, None) 