2295
In CF individuals , 7 of 52 (13%) had detectable E1a sequences in the respiratory epithelium , with E1a copy number in the positive samples of 80 +/- 21/10(3) recovered cells.
 DNA: E1a sequences
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: E1a sequences 
Answer:
 DNA: E1a sequences