2838
Since peripheral blood T-lymphocytes express cryptic epitopes for mAb J393 , these findings demonstrate the existence of a tightly regulated CD43 -mediated pathway for inducing apoptosis in human T-cell lineages .
 ( cell type: peripheral blood T-lymphocytes, None) , ( protein: cryptic epitopes, None) , ( protein: mAb J393, None) , ( protein: CD43, None) , ( cell type: human T-cell lineages, 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:
 ( cell type: peripheral blood T-lymphocytes, None) , ( protein: cryptic epitopes, None) , ( protein: mAb J393, None) , ( protein: CD43, None) , ( cell type: human T-cell lineages, None) 