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  • 简介:Thecurrentconceptof“AdoptiveTCellImmunotherapyofCancer”isquitedifferentfromhowitwasoriginallyconceived.Withthedevelopmentofmoderntechnologyinmolecularbiology,cellbiology,immunologyandbiochemistryduringthelasttwentyyearsorso,adoptiveimmunotherapyhasgrownfromitsinitialformofasimple“bloodcelltransfer”intoitspresentprocesswhichinvolveshostvauccination,effectorcellactivation/polarizationandgeneticmodification.Withtheuseofimmuneadjuvantsandtheidentification/characterizationoftumor-reactiveTcellsubsets,orincombinationwithothertherapeuticstrategies,adoptivelytransferredTcellshavebecomemuchmorepotentinmediatingtumorregression.Inaddition,studiesonthetraffickingofinfusedTcells,celltransferperformedinlymphopenicmodels,aswellasthediscoveryofnoveltechniquesinimmunemonitoringforthegenerationofeffectorcellsinvitroandaftercelltransferinvivohaveprovidedusefultoolstofurtherimprovethetherapeuticefficacyofthisapproach.ThisarticlewillreviewtheserelatedaspectsofadoptiveTcellimmunotherapyofcancerwithspecificcommentsoncertaincriticalareasintheapplicationofthisapproach.Withtherapidlyevolvingadvancesinthisarea,itishopedthatthiscellularimmunologictherapyasitwasconceptualizedinthepast,canbecomemoreusefulinthetreatmentofhumancancerinthenearfuture.

  • 标签: 免疫疗法 T细胞 肿瘤转移 细胞免疫
  • 简介:TheeffectofPentoxifylline(PTX)ontype1diabeteswasinvestigatedbymeansofthestudiesontheexpressionsofcytokinemRNAinpancreasandtheFas-Fasl,onisletcellsofNODmice.NODmiceweretreatedwithFFXfrom4-6wk,andthenfrom8-12wk.Aftertreatment,itwasfoundthattheincidenceofdiabetesinNODmiceatagesof30wkwasreducedto25%ingroupofmicetreatedwithPTX,incomparisonto73.3%incaseofmiceinjectedwithPBS,andthedegreeofinsulitisinthePTXtreatedmicewaslowerthanthatofthePBSinjectedmice.RT-PCRanalysisrevealeddown-regulatoryeffectontheexpressionsofIFN-γandTNF-αmRNAinPTXtreatedmice,buttherewasnoanyeffectontheexpressionofIL-10.AstotheexpressionofFas,therewasmarkeddecreaseinthemeancytoplasmicintegralopticaldensity(IOD)inPTXtreatedmice,buttherewaslittledifferencebetweenFIXandPBSgroupsintheexpressionofFasL.TheseresultsindicatedthatFIXcouldpreventthedevelopmentofdiabetesinNODmice,whichmightberelatedtotheregulationofTh1/Th2imbalanceandthedecreasedexpressionofFasinisletcells.

  • 标签: 己酮可可碱 预防作用 自身免疫性 糖尿病 靶组织细胞因子 Fas-FasL配体
  • 简介:TheZ10andZ37strainsofhemorrhagicfeverwithrenalsyndrome(HFRS)virusandtheMongoliangerbil(Merionsunguiculatus)kidneycellswereusedtopreparetheinactivatedbivalentvaccine.AphaseⅡclinicaltrialuseofthisvaccinewasmadein750Chinesevolunteers.Theresultsshowedthatthesidereactionratewas2.5%andthesero-conversionrateofneutralizingantibodiesagainstHantaanandSeoulvirusesintheinoculatedvolunteerswere87.6%and96.3%respectively.

  • 标签: 肾出血热综合症 疫苗接种 小鼠 动物实验 免疫学