7695
Taken together, these data indicate that the unexpected expression of megakaryocytic genes is a specific property of immortalized cells that cannot be explained only by enhanced expression of Spi-1 and/or Fli-1 genes .
 DNA: megakaryocytic genes; cell line: immortalized cells
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: megakaryocytic genes, immortalized cells 
Answer:
 DNA: megakaryocytic genes; cell line: immortalized cells