Abstract
The anti-inflammatory activities of an ethanol extract of Caesalpinia sappan L. (CS) were investigated in LPS-induced RAW 264.7 cells. Result indicated that CS inhibited the LPS-induced NO production in a dose-dependent manner with an IC?? of 10.9 ㎍/mL. In addition, CS attenuated the iNOS mRNA and protein expression by inhibiting NF-κB activation. CS also suppressed the productions of IL-6 and MCP-1 in a dose-dependent manner, with IC?? values of 15.9 ㎍/mL and 5.47 ㎍/mL, respectively. In addition to the anti-inflammatory activities, CS decreased intracellular ROS formation in the same cells. In conclusion, CS inhibited the production of NO, IL-6 and MCP-1 via a suppression of the NF-κB activation and intracellular ROS generation.
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