期刊
ARCHIVES OF PHARMACAL RESEARCH
卷 31, 期 4, 页码 429-437出版社
PHARMACEUTICAL SOC KOREA
DOI: 10.1007/s12272-001-1175-8
关键词
Artemisia princeps Pampanini cv. Sajabal; jaceosidin; antioxidant; anti-inflammation; macrophages; atherosclerosis
Oxidized low-density lipoprotein (oxLDL) plays a key role in the inflammatory processes of atherosclerosis. Jaceosidin isolated from the methanolic extracts of the aerial parts of Artemisia princeps Pampanini cv. Sajabal was tested for antioxidant and anti-inflammatory activities. Jaceosidin inhibited the Cu2+-mediated LDL oxidation with IC50 values of 10.2 mu M in the thiobarbituric acid-reactive substances (TBARS) assay as well as the macrophage-mediated LDL oxidation. The antioxidant activities of jaceosidin were exhibited in the conjugated diene production, relative electrophoretic mobility, and apoB-100 fragmentation on copper-mediated LDL oxidation. Jaceosidin also inhibited the generation of reactive oxygen species (ROS) concerning in regulation of NF-kappa B signaling. And jaceosidin inhibited nuclear factor-kappa B (NF-kappa B) activity, nitric oxide (NO) production, and suppressed expression of inducible nitric oxide synthase (NOS) in lipopolysaccharide (LPS)-induced RAW264.7 macrophages.
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