13393
It has been proposed that the cross-priming of CTL responses in vivo involves the transfer to host APCs of heat shock protein glycoprotein 96 -chaperoned antigenic peptides released from the endoplasmic reticulum ( ER ) of dying or infected cells .
 ( protein: heat shock protein glycoprotein 96, None) , ( cell type: APCs, 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: heat shock protein glycoprotein 96, None) , ( cell type: APCs, None) 