6142
The HGF - induced cell motility was mimicked by 12 - 0 - tetradecanoyl - phorbol - 13 - acetate , a protein kinase C - activating phorbol ester , but not by Ca2 + ionophore .
 HGF, protein kinase C
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 HGF, protein kinase C