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仙灵骨葆致大鼠药物性肝损伤及机制研究 Title:ResearchonthePharmacologicalHepaticToxicityandMechanismsofXianlingGuobaoZhiinRats Abstract: TheaimofthisstudyistoinvestigatethepotentialhepatotoxiceffectsandunderlyingmechanismsofXianlingGuobaoZhi(XGZ)inrats.XGZisatraditionalChineseherbalmedicinethathasbeenwidelyusedforitshealth-promotingproperties.However,concernsregardingitssafety,particularlyitseffectsonliverfunction,havebeenraised.Inthisstudy,weconductedacomprehensiveevaluationofXGZ-inducedhepatotoxicityusingbiochemical,histopathological,andmolecularapproaches.ThefindingsofthisstudycontributetoabetterunderstandingofthepharmacologicalhepatotoxicityofXGZandprovideinsightsintoitssafeandeffectiveuse. 1.Introduction: 1.1Background: TraditionalChinesemedicine(TCM)hasgainedpopularitygloballyduetoitspotentialhealthbenefits.XGZ,acommonlyusedTCMformula,isknownforitsrejuvenatingandhealth-promotingeffects.However,thereislimitedinformationavailableonitspotentialhepatotoxiceffectsandtheunderlyingmechanisms. 1.2Objectives: ThemainobjectiveofthisstudyistoinvestigatethehepatotoxiceffectsofXGZinrats,assessthepossiblemechanismsinvolved,andprovideevidence-basedfindingsforitssafeandjudicioususeinclinicalpractice. 2.Methods: 2.1AnimalExperimentalDesign: MaleSprague-Dawleyratsweredividedintothreegroups:acontrolgroup,alow-doseXGZgroup,andahigh-doseXGZgroup.XGZwasorallyadministeredtotheratsforaspecificduration. 2.2BiochemicalAssessment: Serumliverenzymelevelssuchasalaninetransaminase(ALT),aspartatetransaminase(AST),andalkalinephosphatase(ALP)weremeasuredtoevaluatehepatocellulardamageanddysfunction. 2.3HistopathologicalExamination: Livertissuesampleswerecollectedandsubjectedtohistopathologicalanalysistoassessmorphologicalalterationssuchasnecrosis,inflammation,andfibrosis. 2.4OxidativeStressAnalysis: Levelsofoxidativestressmarkers,includingmalondialdehyde(MDA),superoxidedismutase(SOD),andglutathione(GSH),weremeasuredtoevaluatetheinvolvementofoxidativestressinXGZ-inducedhepatotoxicity. 2.5GeneExpressionAnalysis: Re