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KMID : 0043320110340040681
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Archives of Pharmacal Research
2011 Volume.34 No. 4 p.681 ~ p.685
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Inhibitory effect of ginsenosides from steamed ginseng-leaves and flowers on the LPS-stimulated IL-12 production in bone marrow-derived dendritic cells
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Tung Nguyen Huu
Quang Tran Hong
Son Jeong-Hyun
Koo Jung-Eun
Hong Hye-Jin
Koh Young-Sang
Song Gyu-Yong
Kim Young-Ho
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Abstract
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Interleukin-12, a heterodimeric cytokine comprising p40 and p35 subunits, plays an essential role in the regulating the differentiation of Th cells, which establish and maximize the capabilities of the immune system. The aim of present study is to screen the effect of 21 ginsenosides from steamed ginseng-leaves and flowers on IL-12 production in bone marrow-derived dendritic cells induced by lipopolysaccharide. Noticeably, ginsenoside Rg6 (12) and ginsenoside F4 (13) exhibited particularly inhibitory effect on LPS-induced IL-12 production with the inhibition values of 80 and 82%; and ginsenoside ST1 (4), ginsenoside SL2 (8), ginsenoside SL3 (9), ginsenoside Rh3 (14), ginsenoside Rk2 (15), and ginsenoside Rs4 (18) showed moderate effects with inhibition rates of 63, 65, 67, 68, 71, 73, and 67%, respectively. These results warrant further studies concerning potential of saponin extracts of steamed ginseng-leaves and flowers for medicinal uses.
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KEYWORD
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Interleukin 12, Panax ginseng, Ginsenoside, Bone marrow-derived dendritic cells
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