9114
When cultured on bone , VR +, TRAP + cells of low multinuclearity appear and cover up to 50% of the surface.
 ( cell line: VR +, TRAP + cells, None) , ( protein: TRAP, None) , ( protein: VR, 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 line: VR +, TRAP + cells, None) , ( protein: TRAP, None) , ( protein: VR, None) 