5125
Despite these similar mRNA levels, BCL-6 protein expression was threefold to 34-fold higher in germinal center B cells than in resting B cells , suggesting that BCL-6 protein levels are controlled by translational or posttranslational mechanisms .
 protein: BCL-6; protein: BCL-6; cell type: germinal center B cells; cell type: resting B 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: BCL-6, BCL-6, germinal center B cells, resting B cells 
Answer:
 protein: BCL-6; protein: BCL-6; cell type: germinal center B cells; cell type: resting B cells