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자료유형
학술저널
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고려인삼학회 Journal of Ginseng Research 고려인삼학회지 제28권 제2호
발행연도
2004.6
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120 - 128 (9page)

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Glial cells such as astrocytes and microglial cells are the main source of proinflammatory cytokines and nitric oxide(NO) in the central nervous system, which exert neuroimmune and inflammatory functions and other various neurobiologic effects. Though Panax ginseng CA. Meyer has been known to strengthen the body's defence mechanisms and also to maintain the homeostasis in the central nervous system, the effects of Panax ginseng on the production of immune and inflammatory mediators have not been studied well in the brain. Therefore. this study was designed to study the effects of ginseng saponins on the production of prointlammatory cytokines and NO in the primary cultures of mixed glial cells. White ginseng saponin, 200-500 ㎍/ml, showed significant cytotoxicity after 72 hrs and increased TNF- α, IL- β. and NO production. Lower doses of 50-100 /ml showed little cytotoxicity until 72 hrs and also increased the production of TNF- α, IL- β, and NO. Triple immune staining showed that white ginseng saponin, 200 ㎍/ml for 72 hrs. induced stellation of astrocytes and iNOS expression exclusively in microglial cells. Taken together, the white ginseng saponin increased the production of proinflammatory cytokines such as TNF-a and IL-β, and induced iNOS expression and NO production in mixed glial cell cultures, which may be ascribed to the enhancement of central immune responses and the regulation of intlammatory reactions by Panax ginseng.

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