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HL-60 cells were cultured with 10(-7) mol/L 1,25(OH)2D3 for 24 to 72 hours, and levels of expression of 1,25(OH)2D3 receptor and its RNA were examined.
 cell line: HL-60 cells; RNA: RNA; 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:
 cell line: HL-60 cells; RNA: RNA; protein: 1,25(OH)2D3 receptor