13796
This dominant-negative acting Stat-3 isoform significantly inhibited apoptosis induced by ligation of MHC-I .
 protein: Stat-3; protein: MHC-I; protein: dominant-negative acting Stat-3 isoform
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: Stat-3, MHC-I, dominant-negative acting Stat-3 isoform 
Answer:
 protein: Stat-3; protein: MHC-I; protein: dominant-negative acting Stat-3 isoform