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  • Title: [Protective effects of five different types of Dendrobium on CCl4-induced liver injury in mice].
    Author: Wang K, Sui DJ, Wang CS, Yang L, Ouyang Z, Chen NF, Han BX, Wei Y.
    Journal: Zhongguo Zhong Yao Za Zhi; 2017 May; 42(10):1945-1950. PubMed ID: 29090555.
    Abstract:
    This study aims to investigate the protective effect of Dendrobium huoshanense, D.officinale(Huoshan), D.officinale(Yunnan), D.moniliforme and D. henanense on CCl4-induced hepatic damage in mice. C57BL/6 mice were randomly divided into control group, model group, high-dose(7.5 g•kg⁻¹) and low-dose (1.25 g•kg⁻¹) groups of the five Dendrobium. Each group was intragastrically administered with drugs for 2 weeks. The control group was intraperitoneally injected with Olive oil solution, while the other groups were intraperitoneally given 0.5%CCl4combined with Olive oil solution 2 h later after the last administration. Subsequently, ALT and AST activities in serum, SOD activities and MDA contents in liver tissues were determined in all groups 16 h later after administration. The liver index was calculated, and hepatic histopathological examination was performed. The mRNA expressions of IL-1β, IL-6 and TNF-α were analyzed by Real-time PCR. Compared with the CCl4 model group, the activities of ALT and AST in serum decreased significantly in the five different Dendrobium groups. Meanwhile, in liver tissues, the levels of MDA reduced obviously, while the SOD activities markedly increased. Furthermore, liver tissue damage induced by CCl4 was ameliorated according to the histopathological examination. IL-1β, IL-6 and TNF-α mRNA expressions in D.huoshanense-treated liver tissues were significantly decreased. In conclusion, the five different Dendrobium groups showed hepatoprotective effects on CCl4-induced acute liver injury in mice. However, there were differences among Dendrobium of different types and origins. The protect effect of D.huoshanense is the most obvious, and the order of the protective effect of the other Dendrobium from high to low is D.officinale(Yunnan), D. officinale(Huoshan), D.henanense and D.moniliforme. The differences between the different types of Dendrobium might be related to their chemical components.
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