2444
IL-8 gene induction was associated with the presence of increased binding activity in nuclear extracts from hypoxic ECs for the NF-kB site.
 ( cell type: ECs, None) , ( cell type: hypoxic ECs, None) , ( protein: IL-8, None) , ( DNA: IL-8 gene, 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: ECs, None) , ( cell type: hypoxic ECs, None) , ( protein: IL-8, None) , ( DNA: IL-8 gene, None) 