3531
The probable regulatory point was the cytoplasmic IkappaB inhibitor : in CD45RA+ cells, H2O2 caused a more profound depression in the levels of IkappaB alpha .
 ( protein: IkappaB, None) , ( protein: IkappaB alpha, 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: IkappaB, None) , ( protein: IkappaB alpha, None) 