2038
The glutathione -depleting agent diethyl maleate ( DEM ) prevented the development of differentiated features in response to phorbol esters , including adherence of the cells to plastic surfaces and repression of the myeloperoxidase and CD34 genes .
 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