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; protein: PKC; DNA: Zp; protein: protein kinase C
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: cellular factors, PKC, Zp, protein kinase C 
Answer:
 protein: cellular factors; protein: PKC; DNA: Zp; protein: protein kinase C