The anti-inflammatory flavones quercetin and kaempferol cause inhibition of inducible nitric oxide synthase, cyclooxygenase-2 and reactive C-protein, and down-regulation of the nuclear factor kappaB pathway in Chang Liver cells. - García-Mediavilla,V.; Crespo,I.; Collado,P.S.; Esteller,A.; Sánchez-Campos,S.; Tunón,M.J.; González-Gallego,J. (Eur J Pharmacol, 2007)