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논문 기본 정보

자료유형
학술저널
저자정보
채병숙 (우석대학교 이공대학)
저널정보
대한약학회 약학회지 약학회지 제45권 제5호
발행연도
2001.1
수록면
557 - 564 (8page)

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To determine effects of zinc on lipopolysaccharide (LPS)-induced production of proinflammatory cytokines and Iymphokines in tumor-bearing ICR mice, this study has been investigated. Zinc chloride (Zn) at doses of 1 mg/kg was administered orally 30 minutes before i.p. injection of LPS (8 mg/kg) 5 times for 7 days. LPS greatly increased tumor necrosis factor (TNF)-$\alpha$ and interleukin (IL)-1$\beta$, in both serum and splenic supernatants compared with those in controls. However Zn strongly decreased LPS-increased production of TNF-$\alpha$ and IL-1$\beta$ in spleenic supernatants compared with those in controls and insignificantly also reduced in serum. LPS insignificantly decreased IL-2 levels in spleenic supernatants compared with those in controls but significantly increased interferon (IFN)-${\gamma}$ levels. Zn didn't affect IL-2 production in splenic supernatants compared to controls but significantly enhanced the LPS-decreased production of IL-2. Zn significantly increased IFN-${\gamma}$ levels in splenic supernatants compared to controls and did not affect the LPS-increased production of IFN-${\gamma}$. These findings suggest that Zn may strongly attenuate the LPS-induced pathogenesis of proinflammatory cytokines in tumor-bearing state and significantly up-regulate the LPS-induced function of T cells to produce IL-2 with maintaining normally the LPS- increased levels of IFN-${\gamma}$.

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