4086
Thus Oct-2 plays an important role in the regulation of cellular gene expression in both B cells and neuronal cells as well as in the control of viral latency .
 cell type: B cells; protein: Oct-2; cell type: neuronal cells
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: B cells, Oct-2, neuronal cells 
Answer:
 cell type: B cells; protein: Oct-2; cell type: neuronal cells