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KMID : 0363320090300030451
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Journal of Korean Oriental Internal Medicine
2009 Volume.30 No. 3 p.451 ~ p.464
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Studying of the Effects of Cyperus rotundus L. extract on Th1/Th2 Cell-derived Cytokines
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Yom Jong-Hoon
Rhee Hyung-Koo
Jung Sung-Ki
Jung Doo-Young
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Abstract
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Background and Objective : Cyperus rotundus L. (CR) is a commonly used herbal medicine in Asian countries such as Korea, China and Japan. The present study was designated to evaluate the direct effects of CR on helper T cell activities and on Th1/Th2 lineage development in vitro.
Materials and Methods : Spleen cells from 8 week BALB/c mice were cultured in CR extracts containing medium without activation for 24 hours and with activation for 48 hours. CD4+ T cells were isolated and analyzed for mRNA expression levels of INF-, IL-4, T-bet and GATA-3 by RT-PCR and secretion cytokines levels of INF-, IL-4, IL-5 and IL-10 by ELISA.
Results : The results demonstrated that CR had no mitogenic effects on unstimulated CD4+ T cells, but augmented CD4+ T-cell proliferation upon activation with anti-CD3/anti-CD28 antibodies in a dose-dependent manner. CR treatment significantly increased CD4+ T cell population and the IFN- expression was significantly enhanced, while IL-4 expression was significantly decreased. In addition, in vitro Th1/Th2 polarization experiments revealed that CR enhanced IFN- secretion in Th1 cells, but reduced the IL-4 in Th2 cells in a dose-dependent manner.
Conclusion : These results suggest that CR treatment could be a desirable alternative therapy for the prevention or correction of Th2 dominant pathological disorders, such as allergy and asthma.
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KEYWORD
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Cyperus rotundus L. (CR), asthma, INF-, T-bet, GATA-3
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