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Binding and elution properties to DNA-cellulose , however, differed from normal in both Ro-VDR and A1-VDR cells where elution from DNA-cellulose occurred at a lower salt concentration than is typical of the 1,25(OH)2D3 receptor .
 protein: receptor; cell line: A1-VDR; cell line: Ro-VDR; cell line: A1-VDR cells; protein: 1,25(OH)2D3 receptor
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: receptor; cell line: A1-VDR; cell line: Ro-VDR; cell line: A1-VDR cells; protein: 1,25(OH)2D3 receptor