tokens: Production of IL-8 by hypoxic ECs occurred concomitantly with both increased levels of IL-8 mRNA , based on polymerase chain reaction analysis , and increased IL-8 transcription , based on nuclear run-on assays .
folded_tokens: production of il-8 by hypoxic ecs occurred concomitantly with both increased levels of il-8 mrna , based on polymerase chain reaction analysis , and increased il-8 transcription , based on nuclear run-on assays .
labels: O O B-protein_molecule O O B-cell_type O O O O O O O B-protein_molecule O O O O B-other_name I-other_name I-other_name I-other_name O O O B-protein_molecule O O O O B-other_name I-other_name I-other_name O