In T cells , NF-kappa B is activated upon cellular treatment by phorbol esters and the cytokine tumor necrosis factor alpha ( TNF alpha ) .
in t cells , nf-kappa b is activated upon cellular treatment by phorbol esters and the cytokine tumor necrosis factor alpha ( tnf alpha ) .
O B-cell_type I-cell_type O B-protein_molecule I-protein_molecule O O O B-other_name I-other_name O B-other_organic_compound I-other_organic_compound O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule I-protein_molecule O O