Plumbagin (5-hydroxy-2-methyl-1, 4-naphthoquinone) suppresses NF-kappaB activation and NF-kappaB-regulated gene products through modulation of p65 and IkappaBalpha kinase activation, leading to potentiation of apoptosis induced by cytokine and chemotherapeutic agents - Sandur, S K; Ichikawa, H; Sethi, G (J Biol Chem, 2006)
et al.