学科分类
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29 个结果
  • 简介:Agluten-freedietiscurrentlytheonlyeffectivemeansoftreatingindividualswithceliacdisease.Suchadietenablesceliacpatientstocontroltheirsymptomsandavoidvariouscomplicationsassociatedwiththiscondition.However,whilethequalityofgluten-freefoodshassignificantlyimprovedduringrecentdecades,maintenanceofagluten-freedietdoesnotnecessarilyensureadequatenutritionalintake.Becauseoatsareanimportantsourceofproteins,lipids,vitamins,minerals,andfibre,theirinclusioninagluten-freedietmightimprovethenutritionalstatusofaceliacpatient.AlthoughoatsareincludedinthelistofglutenfreeingredientsspecifiedinEuropeanregulations,theirsafetywhenconsumedbyceliacpatientsremainsdebatable.Somestudiesclaimthatpureoatsaresafeformostceliacpeople,andcontaminationwithothercerealsourcesisthemainproblemfacingpeoplewiththisdisease.However,itisnecessarytoconsiderthatoatsincludemanyvarieties,containingvariousaminoacidsequencesandshowingdifferentimmunoreactivitiesassociatedwithtoxicprolamins.Asaresult,severalstudieshaveshownthattheimmunogenicityofoatsvariesdependingonthecultivarconsumed.Thus,itisessentialtothoroughlystudythevarietyofoatsusedinafoodingredientbeforeincludingitinagluten-freediet.

  • 标签: OATS CELIAC DISEASE GLUTEN-FREE DIET
  • 简介:Generally,ROSareregardedashostdefensemoleculesthatarereleasedbyneutrophilstodestroyexogenouspathogenssuchasbacteriaandtoactassecondarymessengersinsignaltransduction.However,increasedproductionofROSisalsoinvolvedininducingpathophysiologicalchangessuchasapoptosis,cellcycledisruption,andnecrosis.Forthisreason,inductionofROS-mediateddamageincancercellsbypharmacologicalagentsthateitherpromoteROSgenerationordisablethecellularantioxidantsystemisconsideredapotentialtherapeuticstrategyforpreferentiallykillingcancercells[1].

  • 标签: ROLE Redox STATUS
  • 简介:Inthispaper,IwillbrieflyanalyzetheroleofmassmediainthedevelopmentofTibettourism.ThroughsomeexamplesandsometheoreticalanalysiswewillmainlydiscusstheproblemsandtheprospectsofTibettourismmedia.IsincerelyhopethisthesiswillprovidesomegoodsuggestionsandviewstothedevelopingofTibettourism.

  • 标签: TIBET TOURISM TOURISM MEDIA MASS MEDIA
  • 简介:Renewableenergyisclearlyaveryimportanttopicnowadays.Theriskandthedamagethatcouldbecausedbyconventionalenergyresourcescannotbehidden.Thereisanenormousneedthatpeoplestartformulatingabetterattitudetowardsrenewableenergyandchangetheirconsumptionbehaviour.Otherwise,thefutureofenvironmentandthecominggenerationsaredefiantlynotgoingtobepromising.Thispaperdiscussestheimportanceofsustainableenergyandhowtheenergyrelatedbehaviouriscreated.Itpresentsaframeworktoinfluencethecurrentbehaviourandpushittobemoregreenoriented.Itisalsoimportanttoknowtillwhatlimitaregovernmentsresponsibleinthischange,andwhatarethetoolsthattheyhavetopushtowardsgreendirection.

  • 标签: 可再生能源 消费行为 政府 责任 可持续能源 能源资源
  • 简介:Inthispaper,weanalyzedtheOneFoundationsreliefandreconstructionactivitiesaftertheYaanearthquake.TheanalysisshowsthattheparticipationofNGOsindisasterreliefactivitieshasundergonedifferentstages.IntheJiujiangearthquake,NGOsparticipationwasintherudimentarystage.IntheWenchuanearthquake,theybecameoneoftheactiveparticipants.IntheYaanearthquake,theyplayedanactiverolethroughacooperationmechanism.ThatmeansNGOshavehadthecapabilityofresourcemobilizationandcooperationwiththemwillimprovedisastermanagementcapacities,especiallyinthenationalsignificantseismicmonitoringandprotectionregions.

  • 标签: 非政府组织 地震监测 保护区 合作机制 管理能力 地震后
  • 简介:Weinvestigatethetargetandintensitydependenceofplateauinhigh-orderabovethresholdionization(HATI)bysimulatingthetwo-dimensional(2D)momentumdistributionsandtheenergyspectraofphotoelectronsinHATIofraregasatomsthroughusingthequantitativerescatteringmodel.Thesimulatedresultsarecomparedwiththeexistingexperimentalmeasurements.ItisfoundthattheslopeoftheplateauintheHATIphotoelectronenergyspectrumhighlydependsonthestructureofelasticscatteringdifferentialcrosssection(DCS)oflaser-inducedreturningelectronwithitsparention.Theinvestigationsofthelong-andshort-rangepotentialeffectsintheDCSsrevealthattheshort-rangepotential,whichreflectsthestructureofthetarget,playsanessentialroleingeneratingtheHATIphotoelectronspectra.

  • 标签: 阈上电离 弹性散射 高阶 光电子能谱 稀有气体原子 截面结构
  • 简介:Definitiveconclusionsconcerningtheimpactofexerciseinterventionsonchildren'smentalfunctioningaredifficulttoascertainbecauseofproceduraldifferencesamongstudies.Anarrativereviewofstudieswasconductedtoevaluatetheroleoftwotypesofexerciseinterventionsonchildren'scognition.Acuteandchronicexerciseinterventionswereclassifiedasquantitativeorqualitativeonthebasisofmanipulationsoftaskcomplexityand,byinference,mentalengagement.Bothtypesofinterventionsenhanceaspectsofchildren'scognition;however,theireffectsonmetacognitiveprocessesareunknown.Theroleofmetacognitiveprocessesandtheirregulationofchildren'sbehaviorandacademicperformancearehighlighted.

  • 标签: 运动特性 儿童 元认知 认知过程 心理功能 干预措施
  • 简介:Accumulatingevidencefromepidemiologicalandexperimentalstudiesindicatethatobesity,anditsrelatedmetabolicconsequencesofinsulinresistanceandtype2diabetes,areassociatedwithacceleratedcognitivedecline(Yatesetal.,2012).Theetiologyofneurodegenerationinobesityisundoubtedlycomplex,withvascular,metabolic,inflammatory,andstructuralchangesalllikelytoplayarole(Yatesetal.,

  • 标签: 细胞因子受体 脂肪组织 神经保护作用 大脑 神经退行性疾病 内分泌器官
  • 简介:Survivalratesformetastaticlungcancer,includingnon-smallcelllungcancer(NSCLC)andsmallcelllungcancer(SCLC),arepoorwith5-yearsurvivalsoflessthan5%.Theimmunesystemhasanintricateandcomplexrelationshipwithtumorigenesis;agroundswellofresearchontheimmunesystemisleadingtogreaterunderstandingofhowcancerprogressesandpresentingnewwaystohaltdiseaseprogress.Duetotheextraordinarypoweroftheimmunesystem—withitscapacityformemory,exquisitespecificityandcentralanduniversalroleinhumanbiology—immunotherapyhasthepotentialtoachievecomplete,long-lastingremissionsandcures,withfewsideeffectsforanycancerpatient,regardlessofcancertype.Asaresult,arangeofcancertherapiesareunderdevelopmentthatworkbyturningourownimmunecellsagainsttumors.Howeverdeeperunderstandingofthecomplexityofimmunomodulationbytumorsiskeytothedevelopmentofeffectiveimmunotherapies,especiallyinlungcancer.

  • 标签: 非小细胞肺癌 免疫系统 检查点 癌症患者 肿瘤发生 免疫治疗
  • 简介:AIM:Todeterminewhetherretinalcirculatorychangesplayaroleinthepathogenesisofmaculardisordersinpatientswhoareotherwisehealthy.METHODS:Patientswithmaculardisordersthatrequiredangiographicimagingwereincludedinthisprospectivecaseseries.Afteracompleteocularexam,fluoresceinangiographywasperformedusingastandardizedtechniqueontheHRA-II(HeidelbergEngineering,Heidelberg,Germany)withspecialfocusontheposteriorpole.Onlypatientswithgoodqualityimageswereincludedintheanalysis.Circulatoryparametersrecordedincludedthearm-choroidtime,choroid-retinalartery,andfinallytheretinalartery-veintime.Zonalasymmetry(betweentheupperandlowerzonesdividedbyalinepassingthroughthecentreofthefovea)intransittimes,ifanywasalsonoted.Appropriatestatisticalanalysiswasdone.Circulationtimeswerecomparedwithagematchedhistoricalcontrols.Changesinretinaldyetransittimesrelativetohistoricalagematchedcontrols,ifany,werenotedandcomparedbetweenvariousdisorders.RESULTS:Atotalof156eyesof156patients(120males)wereincludedinthestudy.Meanage:49.14±14.93y.Maculardisordersstudiedwereagerelateddegeneration,polypoidalvasculopathy,centralserouschorioretinopathy(CSCR)andparafovealtelangiectasia.DelayedcirculationtimewasnotedinCSCRpatientsonly.CONCLUSION:CSCRpatientsappeartohavedelayedarterialfilling,retinalcirculatorydisturbancesdonotseemtocontributetothepathogenesisofothermaculardisorders.

  • 标签: FLUORESCEIN angiography circulation parafoveal TELANGIECTASIA idiopathic
  • 简介:<正>Aftermorethan30yearsofreformandopeningup,significantchangeshavetakenplaceinChina’seconomictieswiththerestoftheworld.InordertobringChina’sopeningupdrivetoanewlevelinlinewiththelatestdevelopmentstoeconomicglobalization,weneedtotakemoreproactivestepsandopenupfurthertotherestof

  • 标签: cooperation GLOBALIZATION German PROACTIVE STEPS COMPANIES
  • 简介:Transforminggrowthfactor-β(TGF-β)isakeyfactorincancerdevelopmentandprogression.TGF-βcansuppresstumorigenesisbyinhibitingcellcycleprogressionandstimulatingapoptosisinearlystagesofcancerprogression.However,TGF-βcanmodulatecancer-relatedprocesses,suchascellinvasion,distantmetastasis,andmicroenvironmentmodificationthatmaybeusedbycancercellstotheiradvantageinlatestages.Correspondingmechanismsincludeangiogenesispromotion,anti-tumorimmunitysuppression,andepithelial-to-mesenchymaltransition(EMT)induction.ThecorrelationbetweenTGF-βexpressionandcancerprognosishasalsobeenextensivelyinvestigated.ResultssuggestthatTGF-βpathwaycanbetargetedtotreatcancer;assuch,thefeasibilityofthistreatmentisinvestigatedinclinicaltrials.

  • 标签: 转化生长因子Β 肿瘤发生 临床意义 TGF-β 机理 细胞浸润