11495
However, little is known about negative regulation of IL-1beta expression at the transcriptional level , which may play an important role in anti-inflammatory and immunosuppressive effects .
 protein: IL-1beta
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: IL-1beta 
Answer:
 protein: IL-1beta