3148
These involve activation of the sodium/proton-exchanger of the cell membrane at very low, physiological concentrations of aldosterone with an acute onset within 1-2 minutes.
 ( protein: sodium/proton-exchanger, 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:
 ( protein: sodium/proton-exchanger, None) 