2841
The deranged cholesterol feedback mechanism has been widely recognised in initiation as well as progression of various types of cancers including chronic myeloid leukaemia ( CML ).
 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:
 None