Fig. 6From: Anti-inflammatory effects of Hwang-Heuk-San, a traditional Korean herbal formulation, on lipopolysaccharide-stimulated murine macrophagesEffects of HHS and LPS on the cell viability of RAW 264.7 macrophages. The cells were treated with the indicated concentrations of HHS alone or pretreated with HHS for 1 h before 100 ng/ml of LPS treatment. After 24 h, the cell viability was assessed using an MTT reduction assay. Data are expressed as the mean ± SD of three independent experimentsBack to article page