9116
Although these pits are not nearly as numerous as the cells of preosteoclast phenotype , they do represent the activity of a subset of osteoclast -like cells that has achieved osteoclastic maturity under these culture conditions.
 ( cell type: osteoclast -like cells, None) , ( cell type: preosteoclast phenotype, None) , ( cell type: osteoclast, 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: osteoclast -like cells, None) , ( cell type: preosteoclast phenotype, None) , ( cell type: osteoclast, None) 