Fig. 2.

Effect of Jeju seaweed extracts on PGE₂ production in LPS-stimulated RAW 264.7 cells

The cells were stimulated with 1 µg/ml of LPS only or with a combination of LPS and various concentrations (3.125, 12.5, 25, or 50 µg/ml) of JBR510 (a), JBR511 (b), JBR518 (c), JBR538 (d), and JBR375 (e) for 24 h. PGE₂ produced and released into the culture medium was assayed by the ELISA method. The data represent the mean±SD of triplicate experiments. ^* P<0.05, ^** P<0.01 vs. LPS alone