14758
Although TR55 expression was unaltered during TNF-alpha -induced HIV activation , this receptor was still involved in the viral activation process .
 protein: TNF-alpha; protein: TR55
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: TNF-alpha, TR55 
Answer:
 protein: TNF-alpha; protein: TR55