12480
In situ immunolabelling revealed that upregulation of protein expression by IFN-alpha is a consequence of a marked increase in both the number and the intensity of the staining of so-called PML nuclear bodies .
 protein: PML nuclear bodies; DNA: PML; protein: IFN-alpha
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: PML nuclear bodies, PML, IFN-alpha 
Answer:
 protein: PML nuclear bodies; DNA: PML; protein: IFN-alpha