6730
Thus, we conclude that appropriate controls from the same individuals, such as T cells in the case of stem cell disorders , should always be employed to conclusively determine whether certain cells of hematopoietic origin are clonal.
 ( cell line: T 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 line: T cells, None) 