Fig. 2From: A novel coumarin, (+)-3′-angeloxyloxy-4′-keto-3′,4′-dihydroseselin, isolated from Bupleurum malconense (Chaihu) inhibited NF-κB activityEffect of Pd-Ib on the viability of LPS-stimulated RAW-Blue cells. Cells were cultured for 24 h in the presence of Pd-Ib at the indicated concentrations (1.25–100 μg/mL). Cell viability was assessed by the MTT assay. Data were obtained from three independent experiments and presented as mean ± SD. con vehicle control groupBack to article page