14771
A reporter gene under the control of a T-cell antigen receptor element was activated in Jurkat cells by antigen receptor triggering or by a combination of phorbol myristate acetate, which activates protein kinase C , and a calcium ionophore .
 Jurkat cells, reporter gene, protein kinase C, T-cell antigen receptor element
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 Jurkat cells, reporter gene, protein kinase C, T-cell antigen receptor element