14749
Tumor necrosis factor receptor expression and signal transduction in HIV-1 -infected cells .
 ( protein: Tumor necrosis factor receptor, None) , ( cell type: HIV-1 -infected cells, None) , ( protein: Tumor necrosis factor, 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: Tumor necrosis factor receptor, None) , ( cell type: HIV-1 -infected cells, None) , ( protein: Tumor necrosis factor, None) 