Inhibitory effect of sinomenine on expression of cyclooxygenas e-2 in lipopolysaccharide-induced PC-12 cells Effects of extract from Cornus officinalis on nitrc oxide and NF-κΒ in cortex of cerebral infarction rat model Effects of volatie oil of Fineleaf schizonepeta herb and Divaricate saposhnikovia root on proinflammatory cytokine expression and regulation Mechanism of polypeptide from scorpion venom increasing inhibition of 5-fluorouacil on H22 hepatoma