14398
Taken together, these findings suggest that vincristine resistance confers insensitivity to TPA -induced differentiation and can include defects in PKC -mediated signaling events and induction of jun/fos early response gene expression .
 PKC, jun/fos early response gene
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, jun/fos early response gene