2860
Since anti-Ig crosslinking leads to activation of protein kinase C ( PKC ) and an increase in intracellular calcium level, Zp was tested for the response to these cellular factors .
 ( protein: cellular factors, None) , ( protein: PKC, None) , ( DNA: Zp, None) , ( protein: protein kinase C, 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: cellular factors, None) , ( protein: PKC, None) , ( DNA: Zp, None) , ( protein: protein kinase C, None) 