n-Acetyl-L-cysteine ( NAC ) , a potent antioxidant , blocked NF-kappa B activation caused by IL-4 and by anti-CD40 mAb .
n-acetyl-l-cysteine ( nac ) , a potent antioxidant , blocked nf-kappa b activation caused by il-4 and by anti-cd40 mab .
B-amino_acid_monomer O B-amino_acid_monomer O O O O O O O B-protein_complex I-protein_complex O O O B-protein_molecule O O B-protein_molecule I-protein_molecule O