Effects of RPG-OM-30E on LPS-induced Il-6, Il-1β, and TNF-α mRNA expression in RAW 264.7 cells. Cells were incubated with each concentration of RPG-OM-30E for 1 h, followed by LPS (1 μg/mL) treatment for 6 h. Total RNA was isolated from the cells. Il-6 (A), Il-1β (B), and TNF-α (C) mRNA expression was analyzed using real-time PCR and normalized to GAPDH. Data represent the mean ± SD of three independent experiments. Significant difference compared to the group treated with LPS alone, **p < 0.01, and ***p < 0.001