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T-型钙通道在脂多糖诱导的小鼠早产发生中的作用及其调控机制的研究 Title:TheRoleandRegulationMechanismsofT-TypeCalciumChannelsinLipopolysaccharide-InducedPretermBirthinMice Abstract: Pretermbirthisasignificantglobalhealthissue,affectingthemorbidityandmortalityratesofinfants.Inflammationinducedbybacterialinfection,particularlylipopolysaccharide(LPS),hasbeenrecognizedasamajorcauseofpretermbirth.Inrecentyears,studieshavesuggestedthatT-TypeCalciumChannels(TCCs)playacrucialroleinLPS-inducedpretermbirth.ThisreviewaimstosummarizethecurrentunderstandingoftheinvolvementofTCCsinLPS-inducedpretermbirthandexploretheunderlyingmechanismsoftheirregulation. 1.Introduction 1.1PretermBirthanditsImpact 1.2LPS-InducedPretermBirth 1.3RationaleforInvestigatingTCCs 2.T-TypeCalciumChannels:StructureandFunction 2.1TCCsSubtypes 2.2RoleinCellularExcitability 2.3DistributionintheFemaleReproductiveSystem 3.InvolvementofTCCsinLPS-InducedPretermBirth 3.1ExperimentalEvidencefromAnimalModels 3.2ClinicalObservationsandGeneticStudies 4.RegulationMechanismsofTCCs 4.1RoleofPro-InflammatoryMediators 4.2Toll-LikeReceptorSignaling 4.3OxidativeStress 4.4HormonalRegulation 5.PotentialTherapeuticTargets 5.1TCCBlockers 5.2Anti-InflammatoryAgents 5.3TargetingToll-LikeReceptors 5.4AntioxidantStrategies 6.Conclusion 6.1SummaryofFindings 6.2FutureDirections Introduction: Pretermbirth,definedasdeliverybefore37weeksofgestation,isaleadingcauseofneonatalmorbidityandmortalityworldwide.Inflammatorypathwaystriggeredbybacterialinfection,suchasLPS,havebeenrecognizedasessentialcontributorstothepathogenesisofpretermbirth.TCCshaverecentlyemergedaspotentiallyimportantplayersinthisprocess. T-TypeCalciumChannels:StructureandFunction: TCCsbelongtothevoltage-gatedcalciumchannelfamilyandareclassifiedintothreesubtypes:Cav3.1,Cav3.2,andCav3.3.Theyarewidelyexpressedindifferenttissues,includingthecentralnervoussystem,peripheralsensoryneurons,andfemalereproductivesystem.TCCsplayacrucialroleincellularexcitability,regulatingvariousphysiologicalprocesses. InvolvementofTCC