学科分类
/ 1
10 个结果
  • 简介:Strokeisaleadingcauseoflong-termdisability.Moststrokepatientsregaintheirfunctionpartiallyorfullyduringthefirst3–6monthsdependingonlocationandsizeofthelesion.Duringthisfunctionalrecoveryphase,corticalreorganizationorplasticityoccurs,andphysiologicalresponsivenessorneuronalexcitabilityisalteredintheipsilesionalandcontralesionalareas.However,howtodrivesuccessfulplasticchangesorsuccessfulstrokerecoveryarenotfullyelucidatedyet.

  • 标签: 可塑性 中风 GABA 康复 恢复阶段 生理反应
  • 简介:Strokeisaleadingcauseofdeathanddisabilityinadultsworldwide.Fordecades,theprimaryapproachandgoaloftherapyforstrokehasfocusedonneuroprotection,namelytreatingtheinjuredtissue,withinterventionsdesignedtoreducethevolumeofcerebralinfarction.Enormouseffortinthelaboratoryhasbeendevotedtothedevelopmentof

  • 标签: 神经保护 功能恢复 细胞反应 轴突 胶质 星形
  • 简介:Oxidativestressiscloselyassociatedwithsecondarycelldeathinmanydisordersofthecentralnervoussystemincludingstroke,Parkinson’sdisease,Alzheimer’sdisease.Amongmanyaberrantoxidativestress-associatedproteins,DJ-1hasbeenassociatedwiththeoxidativestresscelldeathcascadeprimarilyinParkinson’sdisease.Althoughprincipallyexpressedinthecytoplasmandnucleus,DJ-1canbesecretedintotheserumunderpathologicalcondition.Recently,aclosepathologicalassociationbetweenDJ-1andoxidativestressinstrokehasbeenimplicated.Tothisend,weandothershavedemonstratedtheimportantroleofmitochondriainneuroprotectionforstrokebydemonstratingthatthetranslocationofDJ-1inthemitochondriacouldpotentiallymitigatemitochondrialinjury.Here,wediscussourrecentfindingstestingthehypothesisthatDJ-1notonlyfunctionsasaformofintracellularprotectionfromoxidativestress,butthatitalsoutilizesparacrineand/orautocrinecuesinordertoaccomplishextracellularsignalingbetweenneighboringneuronalcells,resultinginneuroprotection.ThisarticlehighlightsrecentevidencesupportingthestatusofDJ-1askeyanti-oxidativestresstherapeutictargetforstroke.

  • 标签: 氧化应激 细胞死亡 中风 级联 阿尔茨海默氏病 帕金森氏病
  • 简介:BackgroundTheclinicalcharacteristicsofstrokepatientstreatedwithdoubleanti-platelettherapy(DAPT)afterpercutaneouscoronaryintervention(PCI)isnotclear.MethodsIntotal,2675patientsunderwentPCIandDAPTinGuangdongGeneralHospital,and68outofthemwerehospitalizedduetosuspectedstroke,ofwhom23werediagnosedashavingstroke.Dataofthe23strokepatientswerecollectedandtraditionalriskfactorsassociatedwithstrokewereanalyzedretrospectively.ResultsThemeanageofthesepatientswas75.6±8.7years,and20(87.0%)weremales.Notably,19patientswerecomplicatedwithhypertension,7withdiabetesmellitus,7withprevioushistoryofstroke,nonewithatrialfibrillation(AF)orpatentforamenovale(PFO).Specifically,22patientswerediagnosedwithischemicstroke,and1patientwithhemorrhagicstroke.ConclusionStrokeinpatientstreatedwithDAPTafterPCIwascorrelatedwithadvancedage,gender,hypertension,diabetesmellitus,strokehistory.Longtermelectrocardiography(ECG)maybeneededforthediagnosisofAF,whiletrans-esophagealechocardiography(TEE)maybeneededforPFO.

  • 标签: 介入治疗 冠状动脉 临床特点 血小板 中风 患者
  • 简介:Moststudiesaddressingthespecificityofmeridiansandacupuncturepointshavefocusedmainlyonthedifferentneuraleffectsofacupunctureatdifferentpointsinhealthyindividuals.Thisstudyexaminedtheeffectsofacupunctureonbrainfunctioninapathologicalcontext.Sixteenpatientswithischemicstrokewererandomlyassignedtotruepointgroup(trueacupunctureatrightWaiguan(SJ5))andshampointgroup(shamacupuncture).Resultsoffunctionalmagneticresonanceimagingrevealedactivationinrightparietallobe(Brodmannareas7and19),therighttemporallobe(Brodmannarea39),therightlimbiclobe(Brodmannarea23)andbilateraloccipitallobes(Brodmannarea18).Furthermore,inhibitionofbilateralfrontallobes(Brodmannarea4,6,and45),rightparietallobe(Brodmannareas1and5)andlefttemporallobe(Brodmannarea21)wereobservedinthetruepointgroup.Activationintheprecuneusofrightparietallobe(Brodmannarea7)andinhibitionoftheleftsuperiorfrontalgyrus(Brodmannarea10)wasobservedintheshamgroup.Comparedwithshamacupuncture,acupunctureatWaiguaninstrokepatientsinhibitedBrodmannarea5onthehealthyside.Resultsindicatedthatthealteredspecificityofsensation-associatedcortex(Brodmannarea5)ispossiblyassociatedwithacentralmechanismofacupunctureatWaiguanforstrokepatients.

  • 标签: 功能性磁共振成像 脑功能 患者 针刺 中风 激活
  • 简介:Basementmembranedegradationandblood-brainbarrierdamageappearaftercerebralinfarction,severelyimpactingneuronalandbrainfunctioning;however,theunderlyingpathogeneticmechanismsremainpoorlyunderstood.Inthisstudy,weinducedcerebralinfarctioninstrokepronespontaneouslyhypertensiveratsbyintragastricadministrationofhigh-sodiumwater(1.3%NaCl)for7consecutiveweeks.Immunohistochemicalandimmunofluorescenceassaysdemonstratedthat,comparedwiththenon-infarctedcontralateralhemisphere,stroke-pronespontaneouslyhypertensiveratsonnormalsodiumintakeandWistar-Kyotorats,matrixmetalloproteinase-9expression,thenumberofbloodvesselswithdiscontinuouscollagenIVexpressionandmicrovesseldensityweresignificantlyhigher,andthenumberofcontinuouscollagenIV-positivebloodvesselswaslowerintheinfarctborderzonesofstroke-pronespontaneouslyhypertensiveratsgivenhigh-sodiumwater.Linearcorrelationanalysisshowedmatrixmetalloproteinase-9expressionwaspositivelycorrelatedwiththenumberofdiscontinuouslycollagenIV-labeledbloodvesselsandmicrovesseldensityincerebralinfarctsofstroke-pronespontaneouslyhypertensiverats.Theseresultssuggestthatmatrixmetalloproteinase-9upregulationisassociatedwithincreasedregionalangiogenesisanddegradationofcollagenIV,themajorcomponentofthebasallamina,instroke-pronespontaneouslyhypertensiveratswithhigh-sodiumwater-inducedfocalcerebralinfarction.

  • 标签: 基质金属蛋白酶-9 自发性高血压大鼠 血管生成 脑梗塞 基底膜 中风