12306
X-rays -induced secretion of cellular factor (s) that enhance(s) HIV-1 promoter transcription in various non-irradiated transfected cell lines .
 cell line: non-irradiated transfected cell lines; protein: cellular factor; DNA: HIV-1 promoter
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: non-irradiated transfected cell lines, cellular factor, HIV-1 promoter 
Answer:
 cell line: non-irradiated transfected cell lines; protein: cellular factor; DNA: HIV-1 promoter