1917
Although both kinases participate in regulating cell growth , there was no detectable activation of pp70S6K during TPA- or okadaic acid- induced monocytic differentiation .
 pp70S6K
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:
 pp70S6K