6423
Activation of TLRs by microbial lipoproteins may initiate innate defense mechanisms against infectious pathogens .
 protein: microbial lipoproteins; protein: TLRs
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: microbial lipoproteins, TLRs 
Answer:
 protein: microbial lipoproteins; protein: TLRs