4198
We found that the adenylate cyclase activator, forskolin, inhibits anti-CD3 -induced shift in Lck electrophoretic mobility , suggesting an intervention at the TCR -coupled phosphoinositide turnover that precedes the activation of PKC .
 PKC, adenylate cyclase, Lck, anti-CD3, TCR
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:
 PKC, adenylate cyclase, Lck, anti-CD3, TCR