基于秀丽隐杆线虫模型的林下山参抗衰老作用研究

打开文本图片集
[Abstract]ObjectiveToevaluatetheanti-aging efectsofmountain-cultivated ginseng using the Caenorhabditiselegans modelandpreliminarilyinvestigateitsmechanismsthroughetworkpharmacologyanalysisandR-qPCRexperiments.MethodsThe studyemployedCaenorhabditiselegansasanagingmodelorganism.Theimpactofthewaterextractofmountain-cultivatedginsegon thethermotoleranceofN2wild-tyeCaenorhabditiseleganswasobservedusingaeatstresschalengeassayAging-relatedphyiological indicators weremeasured,ncludinglifespan,bodylength,locomotorabity,superoxidedismutase(SOD)andmalondialdehyde (MDA)levels,lipofuscinaccumulation,andreactiveoxygenspecies(ROS)levels.GeneOntologyfunctionalenrichmentanalysisnd Kyoto Encyclopediaof Genes andGenomes pathway enrichmentanalysis wereperformedbasedonnetwork pharmacology.The“mountain-cultivatedgnhcalopontssectiogesigsialingatas”okaosuctdpe naryvalidationofpotentialsignalingpathwaysviauantitativereal-timepolymerasechanreacton(RTqPCR)ResultsThewaterextracof mountain-culivatedGinsengsignificantlextendedCaenohabditiseleganslifespan,ncreasedsurvivalatesunderhats, enhancedbodylengthandlocomotoractivitylevatedSODlevels,andreducedaccumulationsofMDA,ipofuscinandO,andte differences were statistically significant ( P<0.05 ).Network pharmacological analysis indicates that biological processes exhibit a significantenrichmentof targets;mountaincultivatedginsengayexertitsanti-agigpharmacologicalffectsbymodulatingultiplesig naling pathways,includingPI3K-AKT,Ras,andHF-1signalingpathways.RT-qPCRresultsconfirmedmountain-cultivatedginseng significantlydowgulatedthmRAexpresioofge-1,t-1andf-,hilemarkedlyprgulatigdf-1eion levels(genesasociatedwiththePI3K-AKTsignalingpathwayinCaenorhabdiselegans)ConclusionMountain-cultivatedginseng efectivelydelaysaging in Caenorhabditis elegans,primarilythrough suppressionofthe PI3K-AKTsignalingpathway. [KeyWords]Mountain-cultivated ginseng;Anti-aging;Caenorhabditis elegans;Network pharmacology
我国人口老龄化趋势日益严峻。(剩余11523字)