8842
It is expressed as a large 67-kDa precursor protein ( pro-IL-16 ) in lymphocytes , macrophages , and mast cells , as well as in airway epithelial cells from asthmatics after challenge with allergen.
 ( cell type: mast cells, None) , ( protein: pro-IL-16, None) , ( cell type: lymphocytes, None) , ( cell type: airway epithelial cells, None) , ( protein: 67-kDa precursor protein, None) , ( cell type: macrophages, 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: mast cells, None) , ( protein: pro-IL-16, None) , ( cell type: lymphocytes, None) , ( cell type: airway epithelial cells, None) , ( protein: 67-kDa precursor protein, None) , ( cell type: macrophages, None) 