照射时间延长对小鼠LEWIS肺癌细胞杀伤作用影响
...10.5mininterval,andthetumourswerethenremoved,thechangesofapoptosisindex(AI)andlevelofBcl2weredetectedUsingTUNELandimmunohistochemicalstaining.ResultsThedifferencesofapoptosisindexbetweendifferentgroupswerestatisticallysignificant(P<0.01).Inshamirradiatedgroup,apoptosisindexwasthelowest,whil...
医源资料库;在线期刊;齐鲁医学杂志;2008年第23卷第3期Functionalrolesofcationicaminoacidresiduesinthesodium-dicarboxylatecotransporter3(NaDC-3)fromwinterflounder
...type(WT)fNaDC-3.ThereplacementofR109andR110byalanineandisoleucine(RR109/110AI)preventedtheexpressionoffNaDC-3attheplasmamembrane.Whenthelysinesatpositions232and235werereplacedbyisoleucine(KK232/235II),thetransporterwasexpressedbutshowedsmalltransportratesandsuccinate-inducedcurrents.K114I,locatedwit...
医源资料库;在线期刊;美国生理学杂志;2006年第289卷第12期Interleukin-2IncreasesCD4+LymphocyteNumbersbutDoesNotEnhanceResponsestoImmunization:ResultsofA5046s
...rleston;6UniversityofTexas,Galveston;9NationalInstitutesofHealth,DivisionofAIDS,Bethesda,and10AIDSClinicalTrialsGroupOperationsCenter,SilverSpring,MarylandReceived15May2002;revised25September2002;electronicallypublished6January2003.ToascertainwhetherCD4+lymphocyteincreasesinducedbyinterleukin(IL)2en...
医源资料库;在线期刊;传染病学杂志;2003年第187卷第2期唐山市634名小学生超声波骨密度水平及其相关因素
...参考摄入量,30.9%的学生膳食钙摄入量低于适宜摄入量(AI)的半数,只有14.6%的小学生钙摄入量达到了AI。以25%,50%和75%AI对钙摄入量进行分段,SOS值差异无统计学意义(F=1.183,P=0.347)。表4不同钙摄入量的小学生超声波骨密度SO...
医源资料库;在线期刊;中国学校卫生;2008年第28卷第7期IdentificationofaQTLonchromosome1forimpairedautoregulationofRBFinfawn-hoodedhypertensiverats
【摘要】Thepresentstudyevaluatedwhethertheimpairmentinautoregulationofrenalbloodflow(RBF)inthefawn-hoodedHypertensive(FHH)ratcolocalizeswiththeRf-1regiononchromosome1thathasbeenpreviouslylinkedtothedevelopmentofproteinuriainthisstrain.AutoregulationofRBFwasmeasuredinFHHandaconsomicstrain(FHH.1BN...
医源资料库;在线期刊;美国生理学杂志;2006年第289卷第5期Humanizedmice:arewethereyet
...ndethicalconsiderations,andstudiesincloselyrelatednonhumanprimatesareconstrainedbyhighcost,limitedavailability,paucityofgeneticmodelsforhumandiseases,andlackofgeneticallyinbredstrainssuitableforstemcellortissuetransplantation.Incontrast,studiesinmicehaveprovidedproofofprincipleforstemcelltransplanta...
医源资料库;在线期刊;实验医学杂志;2005年第202卷第10期GivemeA5forlipoproteinhydrolysis!
...nglyassociatedwithelevatedplasmatriglyceridelevels.InthisissueoftheJCI,Mar?aisetal.reportthattherareQ139XmutationinAPOA5leadstoseverehypertriglyceridemiabyexertingadominant-negativeeffectontheplasmalipolyticsystemfortriglyceride-richlipoproteins.Thepresenteddatasupporttheideathatthemolecularmechanis...
医源资料库;在线期刊;临床研究杂志;2005年第115卷第10期DevelopmentalregulationofFoxp3expressionduringontogeny
...percentageofCD4+cellsexpressinghighamountsofCD25andtheamountoftotalFoxp3mRNAinthispopulationwasincreasedrelativetounthymectomizedcontrolmice.BasedontheirobservationthatadultmicethatwerethymectomizedasneonatespossessTregcellsandincontrasttothehypothesisputforwardpreviously,theseauthorssuggestthatthep...
医源资料库;在线期刊;实验医学杂志;2005年第202卷第7期YellowfevervaccineYF-17DactivatesmultipledendriticcellsubsetsviaTLR2,7,8,and9tostimulatepolyvalentimmunity
...iveattenuatedyellowfevervaccine17D(YF-17D)isoneofthemosteffectivevaccinesavailable,witha65-yrhistoryofusein400millionpeopleglobally.Despitethisefficacy,thereispresentlynoinformationabouttheimmunologicalmechanismsbywhichYF-17Dacts.Here,wepresentdatathatsuggestthatYF-17DactivatesmultipleToll-likerecep...
医源资料库;在线期刊;实验医学杂志;2006年第203卷第2期AntigenicconservationandimmunogenicityoftheHIVcoreceptorbindingsite
...iteremarkableevolutionarydiversityamongprimatelentiviruses,functionalconstraintsonreceptorbindingcreateopportunitiesforbroadhumoralimmunerecognition,whichinturnservestoconstraintheviralquasispecies.Abbreviationsused:CD4i,CD4-induced;CRF,circulatingrecombinantform;IC50,50%inhibitoryconcentration;MPER...
医源资料库;在线期刊;实验医学杂志;2005年第201卷第9期