10834
We have previously shown that anionic phosphatidylserine is exposed by rat vascular smooth muscle cells ( VSMCs ) undergoing apoptosis after serum withdrawal .
 ( cell type: VSMCs, None) , ( cell type: rat vascular smooth muscle cells, 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: VSMCs, None) , ( cell type: rat vascular smooth muscle cells, None) 