简介:Objective:Tostudythecellularimmunitystatusofpatientswithrecurrentgenitalherpes.Methods:Serumlevelsofinterlukin-2anditssolublereceptorandinterlukin-6weremeasuredbyELISAin34patientswithrecurrentgenitalherpes.Results:SerumlevelsofIL-2andIL-6weresignificantlydecreasedinpatientscomparedtohealthycontrols(P<0.01),andthelevelofsIL-2Rwassignificantlyincreasedinpatientswithrecurrentgenitalherpes(P<0.01).Therewerenosignificantdifferencesinallvariablesamongstpatientsregardingrelapsestageandremissionstage(P>0.05).Conclusion:Therewasacellularimmunedeficiencyinpatientswithrecurrentgenitalherpes.
简介:Highlevelsoflowmolecularweight(LMW)IgMincertaindiseasesareassociatedwithclinicalandlaboratoryindiceswhichreflecttheseverityofthedisease.TheseassociationssuggestthatLMWIgMmayplayanimportantroleintheimmunopathogenesisofthesediseases.TofurtherapproachthequestionconcerningthefunctionalactivityofLMWIgMindisease,apanelofLMWIgMandhighmolecularweight(HMW)IgMpreparationswithorwithoutrheumatoidfactor(RF)activitywereusedtoinvestigatetheirantibodybindingactivityandtheireffectorfunction.ItwasfoundthatLMWIgM-RFandHMWIgM-RFhadasimilarbindingcapacitytoFcfragmentastherewasnosignificantdifferenceintheaffinityindexbetweenthem.ItfurthershowedthattherateofactivationandtotalamountofutilizationofcomplementbyLMWIgMandHMWIgMwassimilar,althoughthemeanfluorescenceofC3depositionbyIgM-RFandHMWIgM-RFwasslightlyhigherthanthatofLMWIgM-RFandothercontrolRFantibodies.However,thecurrentstudydemonstratedthatLMWIgMhadstrongneutrophilactivatingpropertieswhencomparedwithHMWIgM.ThesefindingssuggestthatonemechanismofLMWIgMcontributingtotheimmunopathogenesisofRAmaybeduetotheformationofcirculatingimmunecomplex(CIC)byLMWIgMwithsubsequentactivationofneutrophils.WhetherLMWIgMhasotherfunctionalactivityindiseaseisunclearandneedsfurtherinvestigation.
简介:ObjectivesTocomparetheshortandmid-termoutcomesincasesofpercutaneoustransluminalcoronaryangioplasty(PTCA)inpatientswithunstablevstableangina.MethodsPatientsselectedforPTCA/stentingweredividedintotwogroups,onewithstableanginapectoris(SAgroup,n=92)andonewithunstableanginapectoris(UAgroup,n=112).Theoutcomesofcoronaryangiographies(CAG),initial(30-d)successoftheprocedure,andfollow-upstatusinthetwogroupswerecompared.ResultsBaselinecharacteristicsweresimilar,althoughthepatientswithunstablesymptomsmorefemales(P<0.05),andhadahigheraverageCCSclass(P<0.05)andahigherincidenceofpostinfarctionangina(P<0.01).Thefrequencyof’complexstenosisinpatientswithunstableanginawashigherthanthatofpatientswithstableangina,33%v20%(P<0.01).Atotalof309vesselsacceptedtheprocedure;including210stentsweresuecessfullydeliveredto156patients.143and67stentswereimplantedinthe
简介:AIM:NitrativeandoxidativeDNAdamagesuchas8-nitroguanineand8-oxo-7,8-dihydro-2'-deoxyguanosine(8-oxodG)formationhasbeenimplicatedininitiationand/orpromotionofinflammation-mediatedcarcinogenesis.TheaimofthisstudyistoclarifywhethertheseDNAlesionsparticipateintheprogressionofintrahepaticcholangiocarcinoma.METHODS:Weinvestigatedtherelationoftheformationof8-nitroguanineand8-oxodGandtheexpressionofhypoxia-induciblefactor-1α(HIF-1α)withtumorinvasionin37patientswithintra-hepaticcholangiocarcinoma.RESULTS:Immunohistochemicalanalysesrevealedthat8-nitroguanineand8-oxodGformationoccurredtoamuchgreaterextentincanceroustissuesthaninnon-canceroustissues.HIF-1αcouldbedetectedincanceroustissuesinallpatients,suggestinglowoxygentensioninthetumors.HIF-1αexpressionwascorrelatedwithinduciblenitricoxidesynthase(iNOS)expression(r=0.369andP=0.025)and8-oxodGformation(r=0.398andP=0.015).DoubleimmunofluorescencestudyrevealedthatiNOSandHIF-1αco-localizedincanceroustissues.Notably,theformationof8-oxodGwascorrelatedsignificantlywithlymphaticinvasion(r=0.386andP=0.018).Moreover,8-nitroguanineand8-oxodGinnon-canceroustissueswereassociatedsignificantlywithneuralinvasion(P=0.042andP=0.026,respectively).TheseresultssuggestthatreciprocalactivationbetweenHIF-1αandiNOSmediatespersistentDNAdamage,whichinducestumorinvasivenessviamutations,resultinginpoorprognosis.CONCLUSION:Theformationof8-nitroguanineand8-oxodGplaysanimportantroleinmultiplestepsofgeneticchangesleadingtotumorprogression,includinginvasiveness.
简介:Traumaticbraininjury(TBI)isamajorpublichealthproblemthroughouttheworld.Morethan400000patientswithTBIintheUnitedStatesofAmericaandmorethanamillionpatientswithTBIinChinaareadmittedtohospitaleveryyear.HeadtraumaisalsoNo.1killerofyoungpeopleinthedevelopedcountriesaswellasinsomedevelopingcountries.Unfortunately,theoutcomeofpatientswithsevereTBIisstillpoorallovertheworld.ThemortalityofsevereTBIpatients(GCS3-8)inmajorityofhospitalsisover30%andverysevereTBIpatients(GCS3-5)isover80%withonly15%functionalrecovery.1,2However,recentadvanceincerebralprotectionbymild(35-33℃)tomoderatehypothermia(32-30℃)iscertainlyencouraging,whichbringsneurosurgeonsthehopetoimprovetheoutcomeofsevereheadinjuredpatients.
简介:Objective:Todetecttheactivatedexpressionoftelomeraseincondylomaacuminatalesionsinlow-risk(6/11)andhigh-risk(16/18)humanpapillomavirus(HPV)infectionandexaminetheroleplayedbytelomeraseintheoccurrence,developmentandcarcinomatouschangeofcondylomaacuminata.Methods:AssayingtheexpressionoftelomeraseandthetypeofHPVindamagedskinof42CApatientsandnormalskinof30healthycontrolindividualsthroughtelomeraserepeatamplificationprotocol(TRAP)andpolymerasechainreaction(PCR).Results:Inallthenormalskincontrols,PCRforHPVwasnegativeandonly16.7%ofsampleswerepositiveforTLMAexpression;inCAlesions,HPVtestingwaspositiveinall(32caseswerelow-risk,3werehigh-risk,and7wereofmixedtype)andallwerepositiveforTLMAexpression.Conclusion:TLMAmaybeactivatedbyHPVinfection,andinturncausethehyperplasiaofepidermalcells.ItwasalsoindicatedthatHPV,especiallyhighrisktypes,canactivateTLMA.TheactivationofTLMAmayplayanimportantroleinabnormalhyperplasiaandcarcinomatouschangesinCAlesions.
简介:Eosinophiliculceroforalmucosa(EUOM)isanonspecificclinicalappearance,whichappearstobefrequentlyunrecognizedormisdiagnosedusuallyassquamouscellcarcinoma(SCC),especiallyinoldpatients.Itisarareself-limitedbenignulcerativedisease,anditischaracterizedwiththeinfiltrationofeosinophilicleukocytesmixedwithotherinflammatorycells,1,2suchasthemitoticallyactivelargemononuclearcellswithroundorovoidpalenucleus.Thiscelltype,ofteninterpretedasahistiocyte,confoundsthehistologicevaluationandoccasionallyleadstotheerroneousdiagnosisoflymphohistiocyticmalignantcondition.Althoughithasassumedthattraumaisanimportantetiologicfactor,theexactpathogenesisremainsunclear.3ThemorbidityofthisdiseaseislowandtherearefewChineseliteraturesaboutit,4soitisnecessarytopaymoreattentiontoit.Inthisarticle,3outof5casesofEUOMaremisdiagnosedasSCC,andwewillreporttherecordsinordertoidentifyitfromSCCwell.
简介:Cimetidine(CIM)isahistaminetype2receptorantagonistwidelyusedtotreatpepticulcers.Italsohasimportanteffectsontheimmunesystem.TheadministrationofCIMhasbeenfoundtopreserve,tosomedegree,patient’sperioperativeimmunecapability.']However,whethertheuseofCIMca...
简介:Objective:Toanalyzetheinfluencingfactorsforradiation-inducedheartdisease(RIHD)inapanelofcaseswithmalignantthymictumorstreatedbyradiotherapy.Methods:52consecutivepatientsweretreatedbyradiotherapyformalignantthymictumor(14atMasaokastageII,23atstageIIIand15atstageIV).Treatmentincludedradical(in20),postoperative(in14),preoperative(in2)andpalliative(in16)radiotherapy.Theconventionaltwo-dimension(2D)radiationtherapywasperformedinforty-sevenpatientsandthree-dimension(3D)conformalradiationtherapyhasbeenusedin5patientssinceOctober2000.Thetotaltumordoserangedfrom10Gyto84.5Gy(medianof55Gy).Chemotherapywasgivenintwenty-fivepatientsbeforeorafterradiotherapy.Theresultsoffollowing-upcouldbeobtainedfromthedatabaseandupdatedwhereappropriated.Thedosevolumehistogram(DVH)ofheartinradiotherapyforallpatientswasanalyzedfortheeffectivevolumedoseofheart.Result:Themedianfollowing-upwas14months(rangedfrom0.6to111.3months)inthestudy.RIHDwasobservedinsevenpatients.CardiactoxicityofthesesevenpatientswereevaluatedasSOMAgrade1-3.Themediantwo-thirdeffectivevolumedoseofheartwas47.2Gy(rangedfrom8.3Gyto70.1Gy)forconventional2Dradiotherapy,whichcorrelatedwiththymictumordose(P<0.0001).Themediantwo-thirdeffectivevolumedoseofheartwas35.3Gy(rangedfrom13Gyto38.7Gy)for3Dconformalradiotherapy.Theeffectivevolumedosesofheartweredecreasedbyusing3Dconformalradiotherapy(P=0.048).Asignificantassociationbetweencardiactoxicityandeffectivevolumedoseofheartwasfoundinthisstudy(P<0.0001).Cardiactoxicityaccountedfor10.4%and4.1%ofpatientsreceivingandnotreceivingadjuvantchemotherapy,respectively,andoccurredearlierinradiochemotherapygroup(P=0.0528).Multivariateanalysissuggestedthatcardiactoxicitywassignificantlyinfluencedbytheeffectivevolumedoseofheartandchemotherapy.C
简介:Objective:Toinvestigatetherolesofinterleukin-2(IL-2)andinterleukin-10(IL-10)inpathogenesisofearlysyphilis.Methods:TheserumlevelsofIL-2andIL-10in48patientswithearlysyphilisweredetectedbyABC-ELISA.Results:(1)ThelevelofIL-2inthepatientswithearlysyphiliswassignificantlyhigherthanthatinhealthycontrols,whilethatofIL-10waslower(P<0.001andP<0.001).(2)ThelevelsofIL-2andIL-10werealmostidenticalinpatientswithprimaryandsecondarysyphilis(P>0.05),aswellasbetweendif-ferentRPRtiters(P>0.05).(3)Aftertherapy,thelevelofIL-2decreasedmarkedly(P<0.05),whilethatofIL-10increase(p>0.05).(4)AsignificantcorrelationwasfoundbetweentheserumlevelsofIL-2andIL-10(r=0.5385P<0.05).Conclusions:Th1up-regulationoccursinpatientswithearlysyphilis,andplaysanactiveroleinfightingagainstTPinfection.
简介:Objective:Tostudythechangesofthrombomodulin(TM)inbothplasmaandtissueextractsofcancerpatientsforevaluatingitsclinicalsignificance.Methods:PlasmaTMlevelsweremeasuredbyenzyme-linkedimmunosorbentassay(ELISA)inbothplasmaof188cancerpatientsand24cancertissueextractsincludingtheiradjacentnon-cancertissues.Results:TheplasmaTMlevelsbothincancerpatientsandinmetastasispatientsweresignificantlyhigherthanthatincontrols[(33.47±14.25)μg/L,(41.68±16.96)μg/L,vs(20.40±7.22)μg/L,P<0.01].TheplasmaTMlevelsincancerpatientsafteroperationdecreasedobviouslythanthatbeforeoperation[(18.45±9.96)μg/L,vs(28.29±11.74)μg/L,P<0.01],whereas,theplasmaTMlevelsinpatientswithrecurrenceandmetastasisafteroperationincreasedobviously[(34.50±12.57)μg/L].Amongthetypesofcancer,theplasmaTMlevelsinmetastasislungcancers,gastriccancersandpancreaticcancersweresignificantlyhigherthanthatinnon-metastasisrespectivecancers.Nosignificantdifferenceswerefoundbetweencontrolsandnon-metastasiscancersincludinggastriccancers,pancreaticcancers,nasopharyngealcancers,largeintestinecancersandlaryngealcancers(P>0.05).TheTMlevelsincancertissueextractsweresignificantlylowerthanthatintheiradjacentnon-cancertissueextracts[(647.71±317.51)μg/Lvs(1455.63±772.22)μg/L,P<0.01].Onthecontrary,theplasmaTMlevelsinthesecancersweresignificantlyhigherthanthatincontrols.Conclusion:TheriseofplasmaTMlevelsincancerpatientswasassociatedwithmetastasisanddiffusionofcancers.TheTMlevelscanbeservedasansensitiveindexforjudgingprogressionandmetastasisofcancers.
简介:ANTICOMPLEMENTARYACTIVITYINHUMANSERUMOFLUNGCANCERPATIENTSANDITSPOSSIBLECLINICALSIGNIFICANCELiuHuirong刘慧荣LiangFeng梁峰ZhangWeif...
简介:Objective:ToconfirmwhetherMycoplasmapneumoniae(MP)arepresentinreproductivetractofSTDpatientsinChina.Methods:ApplicationofnestedPCR(nPCR)andDNAsequencingtotestsamplesofurethral/vaginalswabswithMPcultureconfirmationofseveralnPCRpositivepatients.Results:74of786STDpatientswerepositiveforMPbynPCR,witharateof9.4%.Ofthe484malepatients,10.5%werepositive,andamongthe302femalepatients,7.6%werepositive.Therewasnosignificantdifferencebetweenthem(P>0.05).Of12casesofMPpositivesamplesbynPCR,4caseswerefirstgenerationculture-positive,andoneofthempassedtothenextgenerationsuccessfully.DNAsequencingwasperformedonthenPCRproductofoneswabsampleandoneMPcultureisolation.ThedeterminedsequencewasidenticaltothetypicalMPstrain.Conclusion:InChina,MParepresentinreproductivetractofbothmaleandfemaleSTDnatients.
简介:Objective:ToexploretherelationshipbetweenquantitativeTreponemapallidumDNA(TP-DNA)PCRtestingandtheToludineRedUnheatedSerumTest(TRUST)inpatientswithsyphilisbeforeandaftertreatment,andevaluatetheclinicalvalueofquantitativeTP-DNAtestinginthediagnosisandtreatmentevaluationofsyphilis.Methods:29patientswithprimary(12cases)orsecondary(17cases)syphilis,whometthecriteriasetforthisstudywererecruitedassubjects.Allpatientsweretreatedwith2.4millionunitsbenzathinepenicillinIMweeklyfor3weeks.QuantitativetestsofTP-DNAinthepatients'plasmawereperformedusingFQ-PCRbeforeandafterthetreatment.SerologictestsincludingTRUSTandTPPAwerealsoperformed.Results:Beforethetreatment,9outof12primarysyphilispatients(75%)andallsecondarysyphilispatients(17/17)testedpositiveforTreponemapallidum(TP)byTP-DNAtesting.TheaveragequantitativetestvaluesofTP-DNAinprimaryandsecondarysyphilispatientswere(3.38±2.34)×10^4and(5.73±1.33)×10^6copies/ml,respectively.Afterthreemonthsoftreatment,1ofthe9primaryand5outof17secondarysyphilispatientswerepositiveuponTP-DNAtesting,respectively.TheaveragequantitiesofTP-DNAwere2.01×10^2copies/mlinprimaryand5.87×10^2copies/mlinsecondarysyphilispatientswithpositiveTRUSTandTP-DNAtests,and3.09×10^2copies/mlforthosewithnegativeTRUST,respectively.Afterninemonthsoftreatment,alltheprimaryandsecondarysyphilispatientswerenegativeuponTP-DNAtesting,whileallprimaryand14of17(82.35%)secondarysyphilispatientsshowednegativeTRUSTresults.Conclusion:ThattheresultsofTP-DNAtestsarenotconsistentwiththoseofTRUSTbeforeandaftertreatmentindicatesthatquantitativeTP-DNAtestingmayhavevaluableclinicalsignificanceintheearlydiagnosisandevaluationoftreatmentregimensforsyphilis.