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Anti-Inflammatory Effect of Grateloupia imbricata Holmes Ethanol Extract on LPS-Induced RAW 264.7 Cells
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 Title & Authors
Anti-Inflammatory Effect of Grateloupia imbricata Holmes Ethanol Extract on LPS-Induced RAW 264.7 Cells
Kim, Min-Ji; Bae, Nan-Yong; Kim, Koth-Bong-Woo-Ri; Park, Ji-Hye; Park, Sun-Hee; Choi, Jung-Su; Ahn, Dong-Hyun;
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Algae is a potential resource with various biological activities. In this study, the anti-inflammatory effect of Grateloupia imbricata Holmes ethanol extract (GIHEE) from red algae was investigated in LPS-induced RAW 264.7 cells. As a result, reduced secretion of pro-inflammatory cytokines [tumor necrosis factors-, interleukin (IL)-, and IL-6] and nitric oxide (NO) was observed in a dose-dependent manner. Expression of nuclear factor-kappaB (NF-) as well as inducible NO synthase and cyclooxygenase-2 proteins was reduced by GIHEE, suggesting that the anti-inflammatory activity of GIHEE is related to suppression of NF- signaling pathways. In addition, GIHEE reduced phosphorylation of mitogen-activated protein kinases. These results suggest that GIHEE can be used as a potential anti-inflammatory therapeutic.
Grateloupia imbricata Holmes;anti-inflammation;NF-kappaB;MAPKs;
 Cited by
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