10928
Cells pretreated with dimaprit showed a decrease in the cAMP response to subsequent addition of H2 agonists , whereas the cAMP response to prostaglandin E2 remained unaltered.
 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