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The adenovirus E1B 19K gene plays an essential role in transformation of primary rodent cells in cooperation with E1A and in the inhibition of apoptosis during lytic infection .
 primary rodent cells, E1A, adenovirus E1B 19K 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:
 primary rodent cells, E1A, adenovirus E1B 19K gene