Effect of Astragalus Polysaccharide on the Cell-mediated Immunity of Traumatic Stress Mice

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摘要 ToinvestigatethechangesofimmunefunctionsandtheeffectsofAstragaiuspolysaccharide(ASP)onthecell-mediatedimmunityofthetraumaticstressmodelofmousebyamputation,50micewererandomlydividedinto5groupsforstudy,inwhichthegroupAandBservedasthenormalcontrol(byinjectonof0.5mlofsalineintra-peritoneallydaily),andasthestresscontrol(byintra-peritonealinjectonof0.5mlofnormalsalineintomiceafteramputation)respectively,tothegroupC,DandEofmice,1000mg/kg(highdose),300mg/kg(mediandose)and250mg/kg(lowdose).TheCD4^+andCD8^+Tcellsaswellastheexpressionofthec-fosproteinweredeterminedbyimmunohistochemicaltechniques,andtheexpressionsofNF-κBmRNAandIL-10mRNAwereassayedbyhybridizationinsitu.Theexperimentalresultsshowedthatincomparisonwiththenormalcontrolgroupofmice(groupA),theexpressionlevelsofNF-κBmRNA,IL-10mRNAandthec-fosproteininthetissuesofthymusandspleeninthestresscontrolsweresignificantlyelevatedandtheCD4^+TcellsandCD4/CD8ratioweredecreased.However,incomparisonwiththestresscontrolofmice(groupB),theexpressionsofNF-κBmRNAandIL-10mRNAwereinhibitedbyASP,andtheCD4^+TcellsandCD4/CD8ratiowereincreasedingroupsC,DandE,butthelevelofc-fosproteinwasdecreased.TherewasnosignificantdifferenceintheseparametersamonggroupC,DandE.Itiscon-cludedthatthefunctionsofcell-mediatedimmunityofmiceweredisturbedunderthestressconditionofthetraumaticinjuriesafteramputation.AndtheimmunefunctionscanbeeffectivelyrestoredbytheuseofAstraga/uspolysaccharide.
机构地区 不详
出版日期 2004年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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