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논문 기본 정보

자료유형
학술저널
저자정보
한신하 (삼육대학교 약학과) 신지혜 (삼육대학교 약학과) 소명아 (삼육대학교 약학과) 한혜란 (삼육대학교 약학과) 김민준 (삼육대학교 약학과) 임동술 (삼육대학교 약학과) 김경제 (삼육대학교 약학과)
저널정보
대한약학회 약학회지 약학회지 제47권 제4호
발행연도
2003.1
수록면
234 - 238 (5page)

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Linarin is a main compound from Chrysanthemum zawadskii var, latilobum. However, the biological mechanisms of these activities are unclear. Because of this wide diversity of effects, it is believed that they may be exerted through pluripotent effectors of linarin. In our previous screening study, the effects of linarin on the mouse macrophages cell line, RAW 264.7 cells, were investigated. It was found that linarin could stimulate macrophages activation by the production of tumor necrosis factor (TNF). The linarin (6.25∼12.5 $\mu\textrm{g}$/mι) inhibited the production of NO in LPS-activated RAW 264.7 cells and linarin became an useful candidates for the development of new drug to treat endotoxemia and inflammation accompanied by the overproduction of NO. However, linarin-treated total lymphocyte showed cytotoxicity in a dose dependent manner between 20 $\mu\textrm{g}$/mι and 40 $\mu\textrm{g}$/mι. In this study, linarin derivative (acetylated linarin) was synthesized in order to obtain less-cytotoxicity of linarin and evaluated for their in vitro cytotoxic activity aganist mouse total lymphocyte. There was no cytotoxic activity in a dose dependent manner (20∼40 $\mu\textrm{g}$/mι) of acetylated linarin whereas linarin showed. The production of NO, however, was not the case by this modified linarin. The cell morphological change was not significantly changed in response to acetylated linarin alone and these effects were potentiated by the addition of LPS. These results suggest that acetylated linarin may be developed to be a promising new drug candidate without cytotoxicity on the basis of its activity of macrophage activation.

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