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Direct analysis of sensorgrams , with recombinant huGATA-3 , allowed the comparison of association and dissociation profiles of the three DNA regions and their ranking according to their relative affinities.
 DNA regions, recombinant huGATA-3, huGATA-3
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:
 DNA regions, recombinant huGATA-3, huGATA-3