6505
Before exposure to low shear (2 dyn/cm2) for 6 h, HAEC were preincubated with or without the antioxidants pyrrolidine dithiocarbamate ( PDTC ) or N-acetyl-L-cysteine ( NAC ).
 ( cell line: HAEC, 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 line: HAEC, None) 