Activation of the transcription factor NF-kappa B is reported to be necessary but not sufficient for E-selectin expression in EC .
activation of the transcription factor nf-kappa b is reported to be necessary but not sufficient for e-selectin expression in ec .
O O O B-protein_family_or_group I-protein_family_or_group B-protein_molecule I-protein_molecule O O O O O O O O O B-protein_molecule O O B-cell_line O