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The results demonstrate that okadaic acid treatment is associated with induction of a differentiated monocyte phenotype characterized by: (a) growth arrest; (b) increases in Mac-1 cell surface antigen expression ; (c) down-regulation of c-myc transcripts ; and (d) induction of tumor necrosis factor gene expression .
 protein: tumor necrosis factor; DNA: tumor necrosis factor gene; protein: Mac-1 cell surface antigen; protein: c-myc transcripts
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: tumor necrosis factor; DNA: tumor necrosis factor gene; protein: Mac-1 cell surface antigen; protein: c-myc transcripts