1082
Furthermore, persistent HIV infection of monocytes and macrophages provides a useful model with which to study concomitant modifications of different I kappa B molecules .
 ( cell type: macrophages, None) , ( cell type: monocytes, None) , ( protein: I kappa B molecules, 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: macrophages, None) , ( cell type: monocytes, None) , ( protein: I kappa B molecules, None) 