tokens: Functional activation of gene expression by Pb was confirmed using primary CD4+ T cells transfected with an NF-kappa B dependent reporter gene construct .
folded_tokens: functional activation of gene expression by pb was confirmed using primary cd4+ t cells transfected with an nf-kappa b dependent reporter gene construct .
labels: O O O B-other_name I-other_name O B-atom O O O B-cell_line I-cell_line I-cell_line I-cell_line O O O B-protein_complex I-protein_complex O O O O O