13311
The effects of MCM on cellular proliferation , AR protein and PSA secretion were abolished by pretreatment of MCM with a neutralizing anti- IL-1beta antibody .
 protein: PSA; protein: anti- IL-1beta antibody; protein: AR protein; 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: PSA, anti- IL-1beta antibody, AR protein, IL-1beta 
Answer:
 protein: PSA; protein: anti- IL-1beta antibody; protein: AR protein; protein: IL-1beta