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68 个结果
  • 简介:Thequestforneuroprotectivedrugstoslowtheprogressionofneurodegenerativediseases(NDDs),includingAlzheimer'sdisease(AD),Parkinson'sdisease(PD),andHuntington'sdisease(HD),hasbeenlargelyunrewarding.Preclinicalevidencesuggeststhatrepurposingquetiapine,lithium,valproate,fluoxetine,donepezil,andmemantineforearlyandpre-symptomaticdisease-modificationinNDDsmaybepromisingandcanspareregulatorybarriers.Theliteratureofthesepsychotropicsinearlystageandpre-symptomaticAD,PD,andHDisreviewedandpropitiousfindingsfollow.Mildcognitiveimpairment(MCI)phaseofAD:salutaryhumanrandomizedcontrolledtrialfindingsforlow-doselithiumand,inselectedpatients,donepezilawaitreplication.Pre-symptomaticAD:humanepidemiologicaldataindicatethatlithiumreducesADrisk.Animalmodelstudies(AMS)revealencouragingresultsforquetiapine,lithium,donepezil,andmemantine.EarlyPD:valproateAMSfindingsshowpromise.Pre-symptomaticPD:lithiumandvalproateAMSfindingsareencouraging.EarlyHD:uncontrolledclinicaldataindicatenon-progressionwithlithium,fluoxetine,donepezil,andmemantine.Pre-symptomaticHD:lithiumandvalproateareauspiciousinAMS.Manyotherpromisingfindingsawaitingreplication(valproateinMCI;lithium,valproate,fluoxetineinpre-symptomaticAD;lithiuminearlyPD;lithium,valproate,fluoxetineinpre-symptomaticPD;donepezilinearlyHD;lithium,fluoxetine,memantineinpre-symptomaticHD)arereviewed.Dose-andstage-dependenteffectsareconsidered.Suggestionsforsignal-enhancementinhumantrialsareprovidedforeachNDDstage.

  • 标签: 神经退行性疾病 帕金森病 阿尔茨海默氏症 MCI 症状 早期
  • 简介:Neurotrophicfactorscompriseessentialsecretedproteinsthathaveseveralfunctionsinneuralandnon-neuraltissues,mediatingthedevelopment,survivalandmaintenanceofperipheralandcentralnervoussystem.Therefore,neurotrophicfactorissuehasbeenextensivelyinvestigatedintothecontextofneurodegenerativediseases.Alzheimer'sdiseaseandParkinson'sdiseaseshowchangesintheregulationofspecificneurotrophicfactorsandtheirreceptors,whichappeartobecriticalforneuronaldegeneration.Indeed,neurotrophicfactorspreventcelldeathindegenerativeprocessesandcanenhancethegrowthandfunctionofaffectedneuronsinthesedisorders.Basedonrecentreports,thisreviewdiscussesthemainfindingsrelatedtotheneurotrophicfactorsupport–mainlybrain-derivedneurotrophicfactorandglialcellline-derivedneurotrophicfactor–inthesurvival,proliferationandmaturationofaffectedneuronsinAlzheimer'sdiseaseandParkinson'sdiseaseaswellastheirputativeapplicationasnewtherapeuticapproachforthesediseasesmanagement.

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  • 简介:BACKGROUND:Itisdifficulttoattractinterestinnon-compulsory,preventive,medicalcare,andpersonsdiagnosedwithcertaindiseasesoftenignoretheexistenceofthesediseases.However,Huntington'sdisease(HD)isanexception.OBJECTIVE:ToqualitativelyanalyzefactorsmotivatingHDpatientstoparticipateinastudy,namelytheEuropeanHuntington'sDiseaseNetwork(EHDN)REGISTRY.DESIGN,TIMEANDSETTING:AnobservationalsurveywasconductedintheEHDNStudySiteinPoznan,Polandbetween2007and2008.PARTICIPANTS:Thestudyinvolved22personsaffectedwithHDand3pre-symptomaticindividuals,totaling9malesand16females.The24participantsinthisstudyhad24differentcaregivers.Atotalof25symptomaticorpre-symptomaticsubjectsparticipatedintheinitialREGISTRYvisit,aswellas6inthesecond,and1inthethird.Allsubjectsdidnotknoweachotherpriortothevisit.METHODS:AmutationintheIT15genewasconfirmedineachpatientorpre-symptomaticmutationcarrier.Anin-depthinterviewproduceddetailedinformationontheHDpatients,aswellasthecaregivers,fortheREGISTRYstudy.MAINOUTCOMEMEASURES:AqualitativeanalysisofthefactorsmotivatingHDpatientsandthepre-symptomaticmutationcarrierstoparticipateintheREGISTRYlongitudinal,observational,researchprojectwasperformed.RESULTS:TheprimarymotivatingfactorforinvolvementofHDpatientsandthecaregiversintheREGISTRYstudywasthehopethataneffectiveHDtherapywouldsoonbediscovered.InHDpatientsandthepre-symptomaticgroup,theresponsetoparticipateintheREGISTRYprojectreached100%,despitethefactthattheyknewtheprojectwasonlyanobservationalstudy.CONCLUSION:Patienthopeisthoughttobeafactorforengaginginpreventive,therapeuticactivities.However,thisisrarelymentionedinmedicalpapersandclinicaltextbooks,andisusuallyoverlookedinmedicalteaching.Clearly,effortsshouldbemadetoincludethisinclinicalpractice.

  • 标签: 亨廷顿病 神经疾病 神经再生 神经保护
  • 简介:Parkinsonsdisease(PD)isacommon,progressiveneurodegenerativediseasecharacterisedbydegenerationofnigrostriataldopaminergicneurons,aggregationofα-synucleinandmotorsymptoms.Currentdopamine-replacementstrategiesprovidesymptomaticrelief,howevertheireffectivenesswearoffovertimeandtheirprolongeduseleadstodisablingside-effectsinPDpatients.ThereisthereforeacriticalneedtodevelopnewdrugsanddrugtargetstoprotectdopaminergicneuronsandtheiraxonsfromdegenerationinPD.Overrecentyears,therehasbeenrobustevidencegeneratedshowingthatepigeneticdysregulationoccursinPDpatients,andthatepigeneticmodulationisapromisingtherapeuticapproachforPD.Thisarticlefirstdiscussesthepresentevidenceimplicatingglobal,anddopaminergicneuron-specific,alterationsinthemethylomeinPD,andthetherapeuticpotentialofpharmacologicallytargetingthemethylome.Itthenfocusesonanothermechanismofepigeneticregulation,histoneacetylation,anddescribeshowthehistoneacetyltransferase(HAT)andhistonedeacetylase(HDAC)enzymesthatmediatethisprocessareattractivetherapeutictargetsforPD.Itdiscussestheuseofactivatorsand/orinhibitorsofHDACsandHATsinmodelsofPD,andhowtheseapproachesfortheselectivemodulationofhistoneacetylationelicitneuroprotectiveeffects.Finally,itoutlinesthepotentialofemployingsmallmoleculeepigeneticmodulatorsasneuroprotectivetherapiesforPD,andthefutureresearchthatwillberequiredtodetermineandrealisethistherapeuticpotential.

  • 标签: 表观遗传 帕金森病 治疗 多巴胺能神经元 组蛋白乙酰转移酶 基因组
  • 简介:Propofolcaninhibittheinflammatoryresponseandreducethesecretionandharmfuleffectsofastrocyte-derivedproinflammatorycytokines.Inthisstudy,afterpropofolwasinjectedintotheinjuredsciaticnerveofmice,nuclearfactorkappaBexpressionintheL4-6segmentsofthespinalcordintheinjuredsidewasreduced,apoptosiswasdecreased,nervemyelindefectswerealleviated,andthenerveconductionblockwaslessened.Theexperimentalfindingsindicatethatpropofolinhibitstheinflammatoryandimmuneresponses,decreasestheexpressionofnuclearfactorkappaB,andreducesapoptosis.Theseeffectsofpropofolpromoteregenerationfollowingsciaticnerveinjury.

  • 标签: 坐骨神经 异丙酚 核因子-ΚB 保护 炎症反应 神经损伤
  • 简介:BACKGROUND:ToevaluatethequalityoftheliteratureaddressingtraditionalChinesemedicinefortreatingParkinson'sdisease.DATASOURCE:Acomputer-basedonlinesearchofChinesepublicationsfromJanuary2001toJuly2008wasconductedinChineseBiologyMedicalDiscDatabaseandChinaNationalKnowledgeInfrastructure.SearchkeywordswereParkinson'sdisease,integratedtraditionalChineseandWesternmedicine,traditionalChinesemedicinetherapy,andChineseherbtherapy.DATASELECTION:Articlesdescribingrandomized,controlledtrialsandquasi-randomized,controlledtrialswereincluded.Literaturequalitywasassessedusingthecriteria-SystematicevaluationofclinicalliteraturerelatedtotreatmentofParkinson'sdiseasewithtraditionalChinesemedicine.Thisincludedmethodology,interventionsinthetreatment/controlgroup,evaluationcriterionofoutcomes,andfrequency.MAINOUTCOMEMEASURES:Evaluationcriterionofoutcomes(variousscoremethodsandevaluationscales),methodologicalquality,andfrequencydistributionwereallmeasured.RESULTS:Atotalof33articleswithrandomized,controlledtrialswereincluded.Ofthese,sixdescribedarandommethod,andtheremainingdidnotdescriberandomallocationmethodsorrandomsequencegenerationmethods.Noneofthestudiesestimatedsamplesize.Casedescriptionsofwithdrawalandlosstofollow-upwereunclear.BoththeUnifiedParkinson'sDiseaseRatingScaleandWebsterscalewereusedintheeligiblestudiesasevaluationcriteria.CONCLUSION:Therearenohigh-qualitystudiesthataddresstraditionalChinesemedicinetherapyandintegratedtraditionalChineseandWesternmedicinefortreatingParkinson'sdiseaseinChina.EligiblestudieswerenotperformedinaccordancewithConsolidatedStandardsofReportingTrialsstatementorStandardsforReportingInterventionsinControlledTrialsofAcupuncturecriteria,andtheliteraturequalitywaslow.ThepresentlyusedcriteriaforevaluatingtherapeuticeffectsdonotcompletelyassessoutcomesoftraditionalCh

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  • 简介:目的:编制军人心理应激评问卷(SSET)并对其信度和效度进行检验。方法:应用心理测量和统计分析技术,修订条目,并进行信度和效度检验。测验对象为426名陆军战士。结果:SSET包含的10条目与总分相关系数均在0.3以上(0.394-0.556,P<0.01);内部一致性系数为0.7597;再测信度系数为0.325-0.597(P<0.05或P<0.01);SSET总分与SCL-90各因子分相关系数0.484-0.666(P<0.01)。结论:SSET具有较好的信度和效度,是测量军人心理应激水平的有效工具。

  • 标签: 军人 心理应激 自评问卷 编制
  • 简介:近来研究表明,噬可能成为卒中治疗过程中的新靶点,但是噬在脑缺血过程中的激活是否提升神经元存活率一直存在争议,关于其对于脑缺血后神经元发挥的作用是保护还是加重损伤尚不明确。本文主要综述脑缺血后噬在缺血服氧损伤中可能发挥的双重作用及其可能的信号通路。

  • 标签: 自噬 神经元 脑缺血/低氧损伤 信号通路
  • 简介:SubthalamicnucleusdeepbrainstimulationhasbecomeastandardneurosurgicaltherapyforadvancedParkinson’sdisease.Subthalamicnucleusdeepbrainstimulationcandramaticallyimprovethemotorsymptomsofcarefullyselectedpatientswiththisdisease.Surprisingly,somespecificdimensionsofqualityoflife,"psychological"aspectsandsocialadjustmentdonotalwaysimprove,andtheycouldsometimesbeevenworse.Patientsandtheirfamiliesshouldfullyunderstandthatsubthalamicnucleusdeepbrainstimulationcanalterthemotorstatusandtimeisneededtoreadapttotheirnewpostoperativestateandlifestyles.Thispaperreviewstheliteraturesregardingeffectsofbilateralsubthalamicnucleusdeepbrainstimulationonsocialadjustment,qualityoflifeandcopingstrategiesinpatientswithParkinson’sdisease.ThefindingsmayhelptounderstandthepsychosocialmaladjustmentandpoorimprovementinqualityoflifeinsomeParkinson’sdiseasepatients.

  • 标签: 社会适应能力 帕金森氏病 生活质量 神经外科 帕金森氏症 电刺激
  • 简介:Genisteiniseffectiveagainstamyloid-βtoxicity,buttheunderlyingmechanismsareunclear.Wehypothesizedthatgenisteinmayprotectneuronsbyinhibitingthemitochondrialapoptoticpathway,andtherebyplayaroleinthepreventionofAlzheimer'sdisease.AratmodelofAlzheimer'sdiseasewasestablishedbyintraperitonealinjectionofD-galactoseandintracerebralinjectionofamyloid-βpeptide(25–35).Inthegenisteintreatmentgroups,a7-daypretreatmentwithgenistein(10,30,90mg/kg)wasgivenpriortoestablishingAlzheimer'sdiseasemodel,for49consecutivedays.Terminaldeoxyribonucleotidyltransferase-mediateddUTPnickendlabelingassaydemonstratedareductioninapoptosisinthehippocampusofratstreatedwithgenistein.Westernblotanalysisshowedthatexpressionlevelsofcapase-3,Baxandcytochromecweredecreasedcomparedwiththemodelgroup.Furthermore,immunohistochemicalstainingrevealedreductionsincytochromecandBaximmunoreactivityintheserats.MorriswatermazerevealedasubstantialshorteningofescapelatencybygenisteininAlzheimer'sdiseaserats.Thesefindingssuggestthatgenisteindecreasesneuronallossinthehippocampus,andimproveslearningandmemoryability.Theneuroprotectiveeffectsofgenisteinareassociatedwiththeinhibitionofthemitochondrialapoptoticpathway,asshownbyitsabilitytoreducelevelsofcaspase-3,Baxandcytochromec.

  • 标签: 阿尔茨海默病 海马神经元 染料木素 细胞凋亡 线粒体 大鼠
  • 简介:  前两天去外地讲学,等飞机的时候顺便到书亭转了转,发现大量的关于美元贬值、次贷危机的书,而且很热销(图1);上了飞机,和同行的专家的话题也不自觉的又转到全球经济形势上.……

  • 标签: 世界卒中日 预防
  • 简介:Labbe's静脉是连接大脑中浅静脉和横窦之间的吻合静脉,又称下吻合静脉,在脑的静脉回流中起着重要的作用[1,2]。重型颅脑损伤合并Labbe's静脉损伤时常可导致严重后果,由于颅脑损伤的复杂性,如同时合并Labbe's静脉损伤使治疗更为困难。本文通过对榆林市北方医院2006年3月至2012年2月采用手术治疗的36例重型颅脑损伤同时合并Labbe's静脉损伤病例分析,探讨最佳的治疗方案,现报告如下。

  • 标签: 颅脑损伤 Labbe's静脉 损伤 外科治疗
  • 简介:Overthepastdecade,nineseparategenetherapyclinicaltrialsforadvancedParkinson’sdisease(PD)havebeenlaunchedandcompleted,involvingthedosingofnearly12-dozenPDvolunteerswhoincurredsignificantriskstohopefullyreducesymptomsand

  • 标签: 帕金森病 基因治疗 志愿者 临床试验
  • 简介:在神经外科中,颅内肿瘤的切除,颅内血肿、脑出血的外科治疗,颅骨缺损的修补等均涉及开颅手术,而开颅手术后头部伤口的愈合情况可影响术后患者的恢复、住院时间、住院费用等,甚至影响到手术的成败。回顾我科收治的两例开颅术后头皮感染伴颅骨溶的临床资料,就其原因及处理作分析、探讨。

  • 标签: 开颅术后 颅骨缺损 头皮感染 迟发性感染 自溶 开颅手术