tokens: U1 cells stimulated with 10 ( -7 ) M PMA released approximately 1 ng/ml endogenous TBP-1 with an initial peak observed at 1 h and a second peak at 24 h after PMA stimulation .
folded_tokens: u1 cells stimulated with 10 ( -7 ) m pma released approximately 1 ng/ml endogenous tbp-1 with an initial peak observed at 1 h and a second peak at 24 h after pma stimulation .
labels: B-cell_line I-cell_line O O O O O O O B-other_organic_compound O O O O B-protein_molecule I-protein_molecule O O O O O O O O O O O O O O O O B-other_organic_compound O O