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The expression of human PCD/DCoH in the liver and nonhepatic cells was compared at both the mRNA and protein levels .
 cell type: nonhepatic cells; protein: human PCD/DCoH; protein: PCD/DCoH
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: nonhepatic cells, human PCD/DCoH, PCD/DCoH 
Answer:
 cell type: nonhepatic cells; protein: human PCD/DCoH; protein: PCD/DCoH