1807
We show that the expression of four cell genes , cdc-2 , cyclin E , CD23 , and cyclin D2 , are up-regulated approximately 100-fold as a result of EBV -mediated immortalization .
 DNA: cell genes; DNA: cyclin E; DNA: cyclin D2; DNA: CD23; DNA: cdc-2
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 DNA: cell genes; DNA: cyclin E; DNA: cyclin D2; DNA: CD23; DNA: cdc-2