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We used deletion analysis and transfection assays with reporter gene constructs to examine the transcription control elements in the 5' flanking region of the human EpoR gene .
 DNA: human EpoR gene; DNA: transcription control elements; DNA: 5' flanking region; protein: EpoR; DNA: reporter gene constructs
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: human EpoR gene, transcription control elements, 5' flanking region, EpoR, reporter gene constructs 
Answer:
 DNA: human EpoR gene; DNA: transcription control elements; DNA: 5' flanking region; protein: EpoR; DNA: reporter gene constructs