13796
This dominant-negative acting Stat-3 isoform significantly inhibited apoptosis induced by ligation of MHC-I .
 ( protein: Stat-3, None) , ( protein: MHC-I, None) , ( protein: dominant-negative acting Stat-3 isoform, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: Stat-3, None) , ( protein: MHC-I, None) , ( protein: dominant-negative acting Stat-3 isoform, None) 