简介：ToinvestigatetheimbalancestateofhelperTlymphocytes(Th)andcytotoxicTlympho-cytes(Tc)andtherolesofTh1/Th2/Th3andTc1/Tc2cellsinrenaltransplantationrejection,theper-centagesofthesecellsinperipheralbloodof24casesofrenaltransplantationrecipientswithacutere-jectionandthedynamicchangesoftheCD4/CD8ratioweredeterminedbyflowcytometryanalysis,while30casesofhealthyindividualsweresetupascontrols.Inthesehealthycontrols,thepercentagesoftheTh1,Th2andTh3cellswere(10.45±8.15)%,(5.05±4.15)%and(3.90±3.21)%,andthoseofTc1andTc2cellswere(9.83±7.03)%and(4.51±2.17)%,respectively.However,thepercentagesofTh1andTclcellsinperipheralbloodofthestablerecipientsaftertransplantationwere(7.29±5.62)%and(7.04±5.15)%,showingdefinitereduction,whilethoseofTh2,Th3andTc2cellsshowedsignificantincrease,(6.34±5.67)%,(4.94±4.14)%and(6.86±4.42)%,respectively.Incaseofrecipientswithacuterejection,thepercentagesofTh1andTc1cellsappearedtobe(18.55±13.21)%and(15.84±11.72)%,alsoshowingsignificantincrease,butthoseofTh2,Th3andTc2cellsappearedtobereduced,(4.19±3.62)%,(3.02±2.83)%and(3.88±1.63)%,respectively.Significantdifferencescouldbedetectedamongthesethreegroups(P<0.05).TheCD4/CD8ratioincaseswithacuterejectionwashigherthanthoseofstablerecipients(2.24±0.59vs1.95±0.45),butthatofthestablerecipientsandhealthycontrols(1.98±0.31)showednoanysignificantdifference.Fromtheaboveobservation,itisevidentthatimbalancebetweenTh1,Th2andTh3withTc1andTc2cellsmayexistafterrenaltransplantationandprobably,theim-muneimbalancemaybeinducedthroughthesecretionofcytokinesINF-γbyTh1orTc1cells,Ⅱ-4byTh2andTc2cellsandTGF-βbyTh3.

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．

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简介：[摘要]目的：保证前列腺电切术后冲洗液的温度不因冲洗速度慢而造成冲洗液温度下降，造成膀胱痉挛，出血等症状。方法：设计一款加热包及膀胱冲洗液组件，用于前列腺电切术后，为膀胱冲洗液持续加热，保证冲洗液温度恒定在32°C-36°C之间。选择三门峡中心医院2020年4月至2021年4月前列腺电切术后患者共，按入院先后随机分组，设为实验组和对照，设为实验组和对照组，。 两组患者留置导尿前均无泌尿系统感染征象，且肾功能基本正常，在年龄、病程、体征等方面均无统计学意义 （P ＞０．０５），具有可比性.比较两组使用加热包及膀胱冲洗组件后患者膀胱痉挛及泌尿系感染的发生率，比较患者前列腺电切术后所用盐水的数量及冲洗时间。结果：术后的患者通过使用加热包及其组件，可以大大降低病患者在术后出现膀胱痉挛及泌尿系感染发生的概率，缩短冲洗时间，减少冲洗液用量，促进病患良好的术后预后，提高患者的满意度，值得临床广泛运用。 最终申请专利，专利号：ZL 2019 2 0483898.0

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简介：【摘要】目的：探究T细胞检测在结核诊断中的应用效果。方法：随机选取2019年3月至2020年3月我院收治的80例结核病患者作为观察对象，所有患者都分别采用T细胞检测、涂片抗酸染色及聚合酶链式反应荧光探针检测，对所有检测方式的准确率进行观察对比。结果：经过统计后，三种检测方式的准确率各有差异。T细胞检测诊断准确率为93.75%，图片抗酸染色诊断准确率为28.75%，PCR荧光探针检测诊断那准确率为73.75%。可以看出，T细胞检测诊断准确率高于其他种种检测方式，同时PCR荧光探针检测准确率高于涂片抗酸染色检测，其差异具有一定的统计学意义（P

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简介：WehavedevelopedandtestedchimericT-cellreceptors(TCR)specificforp185HER2.Intheseexperiments,retroviralvectorsexpressingtheN297orN29ξreceptorswereconstructedinpRET6.AmphotropicviralproducercellswereestablishedintheGALV-basedPG13packagingcellline.Ficollpurifiedhumanperipheralbloodlymphocytes(PBL)werevitallytransducedusinganoptimizedprotocolincorporatingactivationwithimmobilizedanti-CD3/anti-CD28monoclonalantibodies,followedbyviralinfectioninthepresenceoffibronectinfragmentCH296.Transducedcellswereco-culturedwithhumantumorcelllinesthatoverexpress(SK-OV-3)orunderexpress(MCF7)p185HER2toassayforantigenspecificimmuneresponses.BothCD4^+andCD8^+T-cellstransducedwiththeN297orN29ξchTCRdemonstratedHER2-specificantigenresponses,asdeterminedbyreleaseofTh1likecytokines,andcellularcytotoxicityassays.OurresultssupportthefeasibilityofadoptiveimmunothempywithgeneticallymodifiedT-cellsexpressingachTCRspecificforp185HER2.

简介：TheaimofthisstudyistofindtheexperimentalevidencethattheprecursorfrequencyofalloreactiveCTLsisproportionaltothenumberoftheT-cellepitopespecificities.ThenumberofT-cellepitopespecificitieswasmanipulatedbypulsingdifferentnumberofHLA-A2restrictedpeptide(s)ontotheT2cells,whichactedasstimulatingcellstoelicitallo-reactionbyco-culturingwithperipheralbloodlymphocytes(PBLs)ofHLA-A2negativeindividual.TenHLA-A2restrictedpeptides(allwerenormalcellcomponents)weresynthesized,andcellpeptideextractwaspreparedbyfrozenandthawed.T2cellsloadedwithdifferentnumberofpeptide(s)wereco-culturedwithPBLsofanHLA-A2negativeindividual;thelatterwerestainedwithPKH67inadvance.Thentheproliferationwasmonitoredwithflowcytometry,andtheprecursorfrequencyoftheeffectorcellswasanalyzedbytheModFitSoftware.After6dofculture,noproliferationwasobservedinthebulkcultureofPBLalone,andobviousproliferationtookplacewhenPBLsoftheHLA-A2negativewereco-culturedwithT2cellsloadedwithorwithoutloadingpeptide(s).TheprecursorfrequencyofthealloreactiveCTLswas0.052819forco-culturewithT2cellsloadedwithoutpeptide;howeveritwas0.030429forT2cellswithEBV/LMP2Aand0.030528forT2cellsloadedwithasingleautogeneicpeptide,andincreasedupto0.144942forT2cellsloadedwith10autogeneicpeptides;theprecursorfrequencywas0.203649whenco-culturedwithT2cellsloadedwithmiscellaneouspeptidesextractedfromthecytoplasmofT2cells.ThisstudyrevealsthattheprecursorfrequencyofalloreactiveCTLsisproportionaltothenumberofT-cellepitopespecificities,andindependentofthedensityoftheallogeneicHLAClassⅠmolecule.OurfindingssupportthehypothesisthatthealloreactiveTcellpopulationscomprisemiscellaneousTcellclones;eachisspecifictocorrespondingpMHC.ThenovelconstellationofpeptidespresentedbyallogeneicMHCmoleculesmakesthous

简介：Tostudytheroleofnaturalkiller(NK)cellsinTcellrecruitmentinmurineliverinfectedwithvirus,micewereintravenouslyinjecteddailywithanti-NK1.1^+antibodytodepleteNKcells.Lymphocytesinthelivertissueofmiceinfectedwithtype5adenovirusdepletedintheE1andE3regionswereassessedbyfluorometricactivatedcellsorting(FACS).Ex-pressionofchemokineIP-10anditsreceptorCXCR3mRNAintheliver,hepaticlymphocytesandspleentissuewereexaminedbyreversetranscriptionpolymerasechainreaction(RT-PCR).Serumalmfineaminotransferase(ALT)wasmeasuredasanindicatorofliverinjury.Itwasfoundthatinfectionofadenovimsandanfi-Fasmonoclonalantibody(mAb)intomicecausedliverinjuryandhighexpressionofinterfemn-γinducibleprotein-10(IP-10)mRNAintheliver.Anfi-NK1.1^+mAb,whichwasintraperitoneallyinjectedintothemiceinfectedwithadenovirus,suppressesTcellrecruitmentandexpressionofIP-10mRNAinthehver.Slighterhverinjurywasalsoobserved.Afterviresinfection,expressionofCXCR3mRNAinspleenandhvertissuewasobservedatdifferenttime.TheresultssuggestedthatTcellrecruitmentwasinitiatedbyNKcelldependentchemokineIP-10,whichinducedactivatedTcellspriminginthespleentothehverofthemouse.NKcellsplayedakeyroleinTcellrecruitmentintheliverofmouseinfectedwithadenovims.

简介：Toinvestigatewhetherestradiol(E2)playsaroleincell-contact-dependentregulatorymechanismofTcellactivation,westudiedtheroleofE2inregulatinggenetranscriptionofCTLA-4,ICOS,B7-1,B7-2andB7hinvitro.ThespleniccellsofnormalfemaleBALB/cmicewereactivatedbyConA.ThenthecellswereculturedwithE2(100pg/mlor50ng/ml)for24hor48h,respectively.ThecellproliferationwasmeasuredbyMTTassayandtheexpressionoftheco-stimulatorymoleculesmRNAwasexaminedbyRT-PCRanalysis.WefoundthatE2(100pg/ml,physiologicallevel)stimulatedtheactivatedspleencellsproliferation;inhibitedCTLA-4,ICOS,TGF-βandIL-10genetranscription;promotedB7-1andB7-2genetranscription.E2(50ng/ml,pregnantlevel)inhibitedtheproliferationoftheactivatedspleniccells;promotedCTLA-4,B7-1,IL-10butinhibitedB7-2andTGF-βgenetranscription.Therefore,weconcludethattheeffectsofE2onTcellactivationarepartiallythroughitsregulationontheco-stimulatorymolecules.Theco-stimulatorymoleculesarecrucialcomponentsofthecell-contactdependentregulatorymechanism,andE2mayregulateTcellactivationbythismechanism.

简介：AbstractToinvestigatetheroleofCD4^+helperT(Th)cellsinthememoryCTL-mediatedanti-tumorimmunity,theRAG-1geneknockoutmicewereadoptivelytransferredwithOT-1cellstogeneratethememoryCTL,theC57B1/6miceimmunizedwiththeepitopepeptideofOVAspecificThcellsandwithdifferentadjuvantswereadopfivelytransferredwiththesememory-CTLs,andthentheanimalswerechallengedwithtumorcellsEGT.ItwasfoundthatalthoughthesimpleimmunizationofmicewiththeepitopepeptideoftheOVAspecificThcellscouldgeneratemoreeffectCTL,butthiseffectwasnotsostrongenoughtoresistcompletelythechallengeswithtumorcells.Nevertheless,thememoryCTL-mediatedanti-tumorimmuneeffectrequiredthehelpsofTh1andTh2cells.Thecross-regulationbetweenThlandTh2cellsseemedtobebeneficialforthehosttogeneratemoreeffectorCTLformountinganefficientanti-tumorresponse.ItconcludedthattheinteractionbetweenThlandTh2cellsmightbemoreimportantthanthesinglesubsetofThcellsinthememoryCTL-mediatedanti-tumorimmuneresponse.Moreattentionshouldbepaidinthisregardforthefuturestudies.

简介：TheaimofthepresentstudywastodeterminetheefficacyofimmunotherapywithdendriticcellstoelicitEBV-specificCTL-immunityinadvancedcasesofEBV-positivepatientswithnasopharyngealcarcinoma(NPC)andtodeterminethesafetyandtoxicityofthispreparation.NinecasesofhistologicallyconfirmedpatientswithNPCundergoingtreatmentwithradiologicaltherapywereenrolledinthisstudy.Dendriticcells,generatedinvitrofrombloodmonocytesofpatientswereculturedandmaturedwithcytokinesandtheninfectedwithrecombinantadenovirusvaccinecontainingEBV-latentmembraneprotein-2(Ad-LMP2).On9days'cultivationofcells,thematuredDCswereharvested,irradiatedwithCoandtheninjectedintradermallytopatientswithNPC.Theinjectionswereperformed3timestotally.Afterimmunization,theCTLresponseswereassayedbymeansofcytotoxicityandepitope-specificIFN-γproduction.Theresultsofthistrialshowedthatallpatientscouldtoleratethiskindoftreatmentwithoutanysideeffect,duringwhichmarkedincreaseofLMP2-specificCTL-responsescouldbedemonstratedin5patientsofthisgroup.AndthelevelofIgA/VCAantibodydecreasedin8of9patients,thusaccountingforabetterprognosisforthesepatients.Allpatientswillbefollowedupforanotheroneyear.Atleast,thepresentworkshowsthatintradermalvaccinationwithautologousDCsinfectedwithrecombinantAd-LMP2adenovirusisasafeprocedureinNPCpatients,inwhichthisprocedurecanenhancetheLMP2-specificCTLresponsesinpatients.Thesedataareencouragingtodevelopmoreeffectivevaccinestrategiesforthetreatmentofnasopharyngealcarcinoma.

简介：摘要：目的：探讨于男性以及女性患者的冠心病诊断中使用心电图，其T波改变对疾病的判断作用。方法：本研究开展时间显示为2019年1月-2019年12月，收集100例入院诊治冠心病疑似患者作为客观研究对象，通过患者的性别予以分割，分为男性组50例，女性组50例，对两组患者实施相同的冠状动脉造影术，对两组患者的病变情况予以判断分析。结果：在经过动脉造影判断之后，男性组患者的阳性确诊率高于女性组，两组具有较大差异，组间差存意义（P

简介：摘要：目的：本次实验将针对结核病的治疗开展结核感染 T细胞斑点实验，分析临床辅助诊断价值。方法：本次实验选取了 2019年 1月 -2019年 6月前来本院进行疾病检查及治疗的患者为对象，对疑似结核病结核感染患者开展病情诊断分析。在自愿参与实验调查的患者中，采用计算机随机数字表法，对 264疑似例患者进行病情结果讨论。对照组患者采用结核菌素检测，观察组则为 T细胞斑点实验，分析诊断效率。结果：从检测准确率上看，观察组的阳性预测值为 94.6%（ 193/204），对照组为 91.8%（ 167/182），其结果依然以观察组的阳性预测率更高，接近于准确数值。与此同时，观察组检测在灵敏度、特异性上分别为 90.6%（ 193/213）和 78.4%（ 40/51），高于对照组的 8.4%（ 167/213）和 70.6%（ 36/51），组间对比差异较为显著，具有统计学意义（ P＜ 0.05）。结论：采用 T细胞斑点实验对结核患者结核感染进行临床诊断，能够更好地提升准确度，有助于患者早期开展治疗，具有较高的临床应用价值。

简介：Triptolideisanatural,biologicallyactivecomponentderivedfromChineseherbTripterygiumWilfordiiHookF.(TWHF)whichiseffectiveintheclinicaltreatmentofautoimmunediseases,however,themechanismsbywhichtriptolideexertsimmunosuppressionremainfullyunderstood.Theprimaryofthisstudyistodemonstratewhethertriptolidecanaffectphenotype,cytokineproductionandallogeneicTcell-stimulatorycapacityofdendriticcells(DCs)whicharecriticalintheinductionofimmuneresponseortolerance.PhenotypicanalysisshowthattriptolidedoesnotaffecttheexpressionofMHC(Ia^b),CD80,CD86andCD40ofDCstimulatedwithornotLPS,butsignificantlyinhibitsIL12p70productionbyDCinadose-dependentmanner.Triptolide-treatedDCsexhibitareducedcapacitytostimulateproliferationofallogeneicCD4^+Tlymphocytes.Therefore,triptolide-mediatedimmunosuppressionmaydue,inpart,totheinhibitionofIL-12p70productionandimpairmentofallogeneicTcell-stimulatorycapacityofDCs.Ourresultsmayprovideapossiblemechanisticexplanationfortheeffectivenessoftriptolideinthetreatmentofautoimmunediseases.

简介：TheaimofthisstudyistoinvestigatetheeffectsofallitridinontheexpressionoftranscriptionfactorT-bet/GA-TA-3inmiceinfectedbymurinecytomegalovirus.BALB/cmicemodelsystemofmurinecytomegalovirus(MCMV)infectionwasestablished.Inwhich20modelmicewereallocatedrandomlyintoallitridintreatedgroup(n=10)andinfectedcontrolgroup(n=10).Allitridin(25mg·kg^-1·d^-1)wasusedintreatedgroupatthe24hbyintraperitonealroute(once/d×14d),andthesamevolumeofsalinesolutionwasinjectedcontrolmice.Normalcontrolmice(n=10),wereonlygivenwiththesamevolumeof0.89%sodiumchloride,withoutinfectionwithMCMV.TheexpressionlevelsoftranscriptionfactorT-bet/GATA-3mRNAweremeasuredbyRT-PCR,andtheexpressionlevelsofThelper1(Thl)cytokineIFN-γandTh2cytokineIL-10insupernatantofspleencellcultureweremeasuredbyELISA.ExperimentalresultsshowedMCMVinfectioncouldmarkedlydown-modulatetheexpressionofIFN-γandT-bet,andsignificantlyup-modulatetheexpressionofIL-10andGATA-3mRNA.AllitridincouldinduceincreasedexpressionoftranscriptionfactorT-betmRNAandThlcytokineIFN-γsignificantly(P<0.01),anddecreasedexpressionoftranscriptionfactorGATA-3mRNAandTh2cytokineIL-10markedly(P<0.01).ItisconcludedthatMCMVinfectionleadstodisequilibriumofThl/Th2cytokineexpression:thelevelofThlcytokineIFN-γdecreasessignificantlyandTh2cytokineIL-10overexpressesmarkedly.Allitridincanup-regulatetheexpressionofT-betandIFN-γ,andinhibittheexpressionofGATA-3mRNAandIL-10inMCMVinfectedmice,indicatingaTh1dominantstatewhichshouldenhancethespecificcellularimmunereactionsagainstCMVandbehelpfulforclearanceofthecytomegalovirusinhost.

简介：Twenty-oneyearsaftermalariaantigenswerefirstclonedavaccinestillappearstobealongwayoff.Therehavebeenperiodsofgreatexcitementandinmodelsystemssubunitvaccinehomologuescaninducerobustprotection.However,significantchallengesexistconcerningantigenicvariationandpolymorphism,immunologicalnon-respons-ivenesstoindividualvaccineantigens,parasite-inducedapoptosisofimmuneeffectorandmemorycellsandimmunedeviationasaresultofmaternalimmtmityandalterationsofdendriticcellfunction.

简介：【摘要】目的:探析妇科收治患有乳腺癌疾病患者在采用钼靶X线进行诊断同时结合螺旋CT共同诊断价值。方法：择取妇科乳腺癌疾病患者68例，时间择取段在2019年07月~2020年06月，全部开展钼靶X线诊断以及螺旋CT诊断，分析联合诊断效果。结果：与单一钼靶X线诊断和单一螺旋CT诊断效果相对比，钼靶X线+螺旋CT诊断符合率、敏感度、特异度均显著偏高，（p＜0.05）。结论：妇科收治患有乳腺癌疾病患者在采用钼靶X线进行诊断同时结合螺旋CT共同诊断可显著提升准确性，为后期该疾病治疗给予科学依据。