3437
Calcium -dependent immediate-early gene induction in lymphocytes is negatively regulated by p21Ha-ras .
 ( protein: p21Ha-ras, None) , ( cell type: lymphocytes, None) , ( DNA: immediate-early gene, 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: p21Ha-ras, None) , ( cell type: lymphocytes, None) , ( DNA: immediate-early gene, None) 