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자료유형
학술저널
저자정보
Ahn, Mee-Jung (Department of Veterinary Medicine, Cheju National University) Park, Dal-Soo (Department of Veterinary Medicine, Cheju National University) Yang, Won-Hyung (Department of Veterinary Medicine, Cheju National University) Go, Gyung-Min (Provincial Fisheries Resources Research Institute) Kim, Hyung-Min (Department of Pharmacology, College of Oriental Medicine, Kyung Hee University) Hyun, Jin-Won (Applied Radiological Science Research Institute, Cheju National University) Park, Jae-Woo (Department of Nuclear and Energy Engineering, College of Engineering, Cheju National University) Shin, Taek-Yun (Department of Veterinary Medicine, Cheju National University)
저널정보
경희한의학연구센터 Oriental pharmacy and experimental medicine Oriental pharmacy and experimental medicine 제7권 제4호
발행연도
2007.1
수록면
341 - 347 (7page)

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Red seaweed (Callophyllis japonica) has long formed part of the diet of Asians, but the pharmacological properties of this plant have not been evaluated. In this study, we examined the effect of an ethanol extract of C. japonica on the generation of nitric oxide (NO) in RAW 264.7 cells. The C. japonica extract increased the generation of NO and tumor necrosis $factor-{\alpha}$ ($TNF-{\alpha}$), which were detected by the Griess method and an enzyme-linked immunosorbent assay, respectively. The increased production of NO by C. japonica extract was inhibited by $N^G$-monomethyl-L-arginine ($100{\mu}M$), a specific inhibitor of NO production in the L-arginine-dependent pathway, and by the nuclear $factor-{\kappa}B$ ($NF-{\kappa}B$) inhibitor, pyrrolidine dithiocarbamate ($10-100{\mu}M$) in a dose-dependent manner. These findings demonstrate that C. japonica extract stimulates the production of NO and $TNF-{\alpha}$ in RAW 264.7 cells through the activation of $NF-{\kappa}B$ and that this extract might also inhibit the growth of the human leukemic cells.

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