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姜黄素大鼠炎症实验灌胃

本文由 上海易佰聚经贸有限公司 整理汇编

2018-09-02 10:00 1370阅读次数

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Acrylonitrile(AN)iswidelyusedinthemanufacturingoffibers,plasticsandpharmaceuticals.FreeradicalmediatedlipidperoxidationisimplicatedinthetoxicityofAN.Thepresentstudywasdesignedtoexaminetheabilityofcurcumin,anaturalpolyphenoliccompound,toattenuateacuteAN-inducedlipidperoxidationinthebrainandliverofrats.MaleSpragueDawleyratswereorallyadministeredcurcuminatdosesof0(oliveoilcontrol),50or100mg/kgbodyweightdailyfor7consecutivedays.Twohoursafterthelastdoseofcurcumin,ratsreceivedanintraperitonealinjectionof50mgAN/kgbodyweight.AcuteexposuretoANsignificantlyincreasedthegenerationoflipidperoxidationproducts,reflectedbyhighlevelsofmalondialdehyde(MDA)bothinthebrainandliver.Theseincreaseswereaccompaniedbyasignificantdecreaseinreducedglutathione(GSH)contentandasignificantreductionincatalase(CAT)activityinthesametissues.Noconsistentchangesinsuperoxidedismutase(SOD)activitywereobservedbetweenthecontrolandAN-treatmentgroupsinbothtissues.PretreatmentwithcurcuminreversedtheAN-inducedeffects,reducingthelevelsofMDAandenhancingCATactivityandincreasingreducedGSHcontentbothinthebrainandliver.Furthermore,curcumineffectivelypreventedAN-induceddecreaseincytochromecoxidaseactivityinbothliverandbrain.TheseresultsestablishthatcurcuminpretreatmenthasabeneficialroleinmitigatingAN-inducedoxidativestressbothinthebrainsandliversofexposedratsandtheseeffectsaremediatedindependentlyofcytochromeP4502E1inhibition.Accordingly,curcumin首ldbeconsideredasapotentialsafeandeffectiveapproachinattenuatingtheadverseeffectsproducedbyAN-relatedtoxicants.佰易聚生物商城提供优质的分子生物学试剂和试剂盒、美国联合碳化和美国光谱医学透析袋、培养基和培养耗材、细胞因子和细胞分离液、抗体和elisa试剂盒及常用生物试剂等,大量现货火爆促销中,欢迎登录www.ebioeasy.com或者拨打021-61805605,61805606,61805610洽谈选购!

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