学科分类
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28 个结果
  • 简介:Seventy-eightcasesofretinoblastoma(Rb)diagnosedattheEyeENTHospital,ShanghaiMedicalUniversityfrom1953to1985werestudied.Theresultsofmultiplelogisticregressionanalysisandconditionalprobabilitymodelshowedthathighfetalorderhadamoderaterisk(OR=1.28,P<0.05)ofdevelopingunilateralRb.Bothunilateralandbilateralcaseswereindependentofparentalages,andnointeractioncouldbefoundbetweenfetalorderandpaternalofmaternalage;also,theeffectoffetalorderwasnotconfoundedbyparentalages.

  • 标签: bilateral RETINOBLASTOMA FETAL UNILATERAL PARENTAL MATERNAL
  • 简介:A64-year-oldmanwasadmittedtotheSunYat-SenUniversityCancerCenterwithchiefcomplaintsofrecurrentabdominalpainanddiarrheaforabout3yearsandwithahistoryofsurgicalrepairforintestinalperforationowingtostressulcer.Positronemissiontomography(PET)/computedtomography(CT)demonstratedaprimarytumoronthepancreatictailwithmultifocallivermetastases.Pathologicalandimmunohistochemistrystainingrevealedthelesiontobeapancreaticneuroendocrinetumor(pNET).AccordingtothelatestWorldHealthOrganization(WHO,2013)classification,thetumorwasclassifiedasstageIVfunctionalG1pNET.Afterreferraltothemultidisciplinarytreatmentboard(MDT),thepatientwasstartedonperiodicdoseofomeprazole,somatostatinanaloguesandInterferonα(IFNα)andhadscanningfollow-ups.Basedupontheimagingresults,CT-guidedradioactiveiodine-125(125I)seedsimplantationtherapy,radiofrequencyablationtherapy(RFA)ormicrowaveablationtechniquewerechosenforthetreatmentoftheprimarytumor.Transarterialchemoembolization(TACE),RFAandmicrowaveablationtechniquesweredecideduponforlivermetastases.Thepatientshowedbeneficialresponsetothetreatmentwithclinicallymanageablelow-gradesideeffectsandattainedpartialremission(RECISTcriteria)withagoodqualityoflife.

  • 标签: 肿瘤防治中心 神经内分泌 综合治疗 肝动脉 胰腺 计算机断层扫描
  • 简介:Drugdevelopmentinoncologyisundergoingasubstantialshiftnowadays.Thedriversforthisaremulti-factorial.Ontheoneside,drugdevelopmentisperformedmorerationallythanever,profitingfromthescientificadvancesinmolecularbiologyingeneralandtheelucidationofthevarious'omes'fromgenometometabolomeinparticular.Ontheotherside,itisbasedonenormoustechnologicalprogress,e.g.,inthefieldofgenome

  • 标签: 药物开发 世界 分子生物学 驱动程序 科学进步 代谢组
  • 简介:Glioblastoma(GBM)isatypeoftumorthatishighlylethaldespitemaximaltherapy.Standardtherapeuticapproachesprovidemodestimprovementinprogression-freeandoverallsurvival,necessitatingtheinvestigationofnoveltherapies.Oncologictherapyhasrecentlyexperiencedarapidevolutiontoward'targetedtherapy',withdrugsdirectedagainstspecifictargetswhichplayessentialrolesintheproliferation,survival,andinvasivenessofGBMcells,includingnumerousmoleculesinvolvedinsignaltransductionpathways.Inhibitorsofthesemoleculeshavealreadyenteredorareundergoingclinicaltrials.However,significantchallengesintheirdevelopmentremainbecauseseveralpreclinicalandclinicalstudiespresentconflictingresults.Inthisarticle,wewillprovideanup-to-datereviewofthecurrenttargetedtherapiesinGBM.

  • 标签: 靶向治疗 母细胞 胶质 信号转导途径 临床试验 肿瘤治疗
  • 简介:Objective:TheexpressionofB-celllymphoma2(Bcl-2)seemstobeinfluencedbytheendocrineenvironment.NumerousreportsdemonstratethediverseexpressionofBcl-2familymembersundersexsteroidregulation.Withtheexceptionofestrogen-relatedtumors,androgen-relatedtumorshaveshowntheircharacteristicsinBcl-2expression.Inthisstudy,thestatusofBcl-2expressioninmalehepatocellularcarcinoma(HCC)patientswasexaminedtoverifythehighincidenceofHCCinmales.Methods:TumortissuemicroarraywasusedtoexamineBcl-2expressionlevelsin374HCCcasesincluding306malesand68females.Kaplan-Meiermethod,log-ranktest,andCoxproportionalhazardsmodelwereappliedtoinvestigatethepredictivevalueofBcl-2inHCCpatients.Results:ImmunohistochemistryanalysisshowedthatmalepatientswithhigherBcl-2levelshadsignificantlylongermediansurvivaltimeandrecurrencetimethanthosewithlowerlevels.However,nosignificantdifferencesinoutcomeswerefoundbetweendifferentBcl-2levelsinfemalepatients.Whenthemalepatientswerestratifiedintoseveralagepoints,thelevelofBcl-2expressionshowedpoorerpredictiveefficiencyinthe45–49and55–60agegroupsinandropause-agepatientscomparedwithotheragegroups.Bcl-2wasanindependentprognosticfactorforbothoverallsurvival(P<0.0001)andrecurrencetime(P=0.0001)inmalepatients.Afterexcludingmalepatientsinthe45–60agegroup,thepredictiveefficiencywasenhanced(n=147,OS,P=0.0002,TTR,P<0.0001).Conclusions:Bcl-2expressionisanindependentpredictorofsurvivalandrecurrenceinmaleHCC.Bcl-2levelsmayalsoberegulatedbyandrogensorandrogenreceptorsinmaleHCCpatients.Bcl-2levelschangeandexhibitpoorpredictiveefficiencywhenandrogenlevelsvarydramatically(andropauseage).

  • 标签: BCL-2家族 肝细胞癌 年龄组 预测值 男性 患者
  • 简介:Thisreviewstartswithabriefhistoryofdrugdiscovery&development,andtheplaceofAsiainthisworldwideeffortdiscussed.TheconditionsandconstraintsofasuccessfultranslationalR&DinvolvingacademicbasicresearchandclinicalresearcharediscussedandtheSingaporemodelforpursuitofopenR&Ddescribed.Theimportanceofwell-characterized,validateddrugtargetsforthesearchfornoveltargetedanti-canceragentsisemphasized,aswellasastructured,highqualitytranslationalR&D.Furthermore,thecharacteristicsofanattractivepreclinicaldevelopmentdrugcandidatearediscussedlayingthefoundationofasuccessfulpreclinicaldevelopment.Themostfrequentsourcesoffailuresaredescribedandriskmanagementateverystageishighlyrecommended.Organizationalfactorsarealsoconsideredtoplayanimportantrole.Thefactorstoconsiderbeforestartinganewdrugdiscovery&developmentprojectaredescribed,andanexampleisgivenofasuccessfulclinicalprojectthathashaditsrootsinlocaluniversitiesandwascarriedthroughpreclinicaldevelopmentintophaseIclinicaltrials.

  • 标签: 临床试验 抗癌药物 学术界 药物发现 基础研究 世界范围
  • 简介:THECERVIXMULTI-VIRUSESINFECTIONANDTHEDEVELOPMENTOFCERVICALCARCINOMASZhangWei张伟;JinSnunqian金顺钱;LiuBoqi刘伯齐;LiansXiao梁肖;MingLihu...

  • 标签: Human PAPILLOMA VIRUS (HPV) CERVICAL CARCINOMAS
  • 简介:ThechronicinfectionofhepatitisBvirus(HBV)iscloselyrelatedtotheoccurrenceanddevelopmentofhepatocellularcarcinoma(HCC).AccumulatedevidencehasshownthatHBVXprotein(HBxprotein)isamultifunctionalregulatorwithacrucialroleinhepatocarcinogenesis.However,informationonthemechanismbywhichHBVinducesHCCislacking.ThisreviewfocusesonthepathologicalfunctionsofHBxinHBV-inducedhepatocarcinogenesis.Asatransactivator,HBxcanmodulatenuclearfactorkappa-light-chain-enhancerofactivatedBcells(NF-κB)andtranscriptionfactorAP-2.Moreover,HBxcanaffectregulatorynon-codingRNAs(ncRNAs)includingmicroRNAsandlongncRNAs(lncRNAs),suchasmiRNA-205andhighlyupregulatedinlivercancer(HULC),respectively.HBxisalsoinvolvedinepigeneticmodification,includingmethylationandacetylation.HBxinteractswithvarioussignal-transductionpathways,suchasproteinkinaseB/Akt,Wnt/β-catenin,signaltransducerandactivatoroftranscription,andNF-κBpathways.Moreover,HBxaffectscellularfatebyshiftingthebalancetowardcellsurvival.HBxmayleadtothelossofapoptoticfunctionsordirectlycontributestooncogenesisbyachievingtransformingfunctions,whichinducehepatocarcinogenesis.Additionally,HBxcanmodulateapoptosisandimmuneresponsebydirectorindirectinteractionwithhostfactors.WeconcludethatHBxhastensthedevelopmentofhepatoma.

  • 标签: 乙型肝炎病毒 蛋白质 肝癌 非编码RNA 信号转导途径 核因子KAPPA
  • 简介:在染色体9p21的Ink4地点编码P15Ink4b,P14Arf,P16Ink4a,MTAP,ncRNAANRIL/p15AS和p16AS,它在干细胞自强的规定起一个重要作用。这些基因的功能的损失通过绕过在房间周期的G1和S阶段之间的检查点支持房间增长。由在开始地点(TSS)的抄写附近的CpG岛的methylation的Transcriptional沉默是在carcinogenesis的早阶段的一个经常的事件。长期的发炎是为Ink4a基因的CpG岛的methylation的一个强壮的开始者。象Polycomb那样的transcriptionalsilencers的联合有基因特定的ncRNA的组(PcG)蛋白质能epigenetically第一在H3K27,然后在H3K9包括trimethylation导致histone修正。在抄写的长期的沉默的情况中,CpG地点的methylation在目标基因的完整的CpG岛以内日益增多地开始并且传播。就算它的宿主细胞与Ink4a活跃细胞被熔化,Ink4aCpG岛的methylation地位是很稳定的。

  • 标签: METHYLATION INK4 CpG 岛 Ink4 基因
  • 简介:Thymidinephosphorylase(TP)isakeyenzymethatcontributestothecompositionanddecompositionofpyrimidinenucleotides.TPseemshomologoustoplatelet-derivedendothelialcellgrowthfactor,anditseffectsoninducingvascularizationandanti-apoptosisarecloselyrelatedtogrowthandmetastasisofcolorectalcarcinoma.Inaddition,TPisakeyenzymethatcatalyzesthetransformationfrom5-fluorouracil(FU)prodrugsof5′-deoxy-5-fluorouridine(5′-DFUR)to5-FU.TheactivityofTPiscloselyrelatedtothesensitivityofcolorectalcarcinomacellstofluorouracildrugsandtargetedtherapy.GiventheimportantfunctionsofTPingrowth,metastasis,tumortreatment,andprognosis,determiningitsexpressionmechanismissignificant.ThisarticlesummarizestheresearchdevelopmentofTPexpressionincolorectalcarcinoma,tumorneovascularization,cytotoxicityactivationof5′-DFUR,andcolorectalcarcinomatherapy.

  • 标签: 磷酸化酶 大肠癌 研究开发 内皮细胞生长因子 胸苷 氟尿嘧啶
  • 简介:Objective:IL-22-producingCD4+Thelpercells(Th22cells)havebeenidentifiedasmajorinducersoftissueinflammationandimmuneresponses.Currently,nopreviousstudyexploredtheroleofTh22cellsinthepathogenesisofhepatocellularcarcinoma(HCC).ThestudyaimedtodeterminethebiologicalfunctionofTh22cellsanditseffectorIL-22inHCCpatients.Methods:Forty-fiveHCCpatientsand19healthycontrolswererecruitedandtheirperipheralbloodwascollected.ThefreshHCCtissues,adjacentHCCtissuesandtennormallivertissueswerealsocollected.FlowcytometryanalysiswasusedtodeterminethefrequenciesofcirculatingTh22cellsandTh17cells.SerumIL-22levelsweretestedbyenzyme-linkedimmunosorbentassay(ELISA).Immunohistochemicalstainingandreal-timepolymerasechainreaction(PCR)wereusedtodetectIL-22proteinandmRNAintissuesspecimens,respectively.Results:CirculatingTh22cells,Th17cellsandserumIL-22levelsweresignificantlyelevatedinHCCpatientscomparedwiththoseofhealthycontrols(P<0.001).Th22cellswereshowedtobepositivelycorrelatedwithIL-22inHCCpatients(P<0.05),butnotinhealthycontrols.NosignificantdifferenceswerefoundinHCCpatientswithHBeAgpositivityornegativityintermofTh22cellsandserumIL-22levels.TheexpressionofIL-22proteinandmRNAwashighestinHCCtissues,followedbyadjacentHCCtissuesandnormallivertissues.Furthermore,Th22cells,serumIL-22levelsandIL-22mRNAwereelevatedatstageIII-IVcomparedwithstageI-IIofHCC(P<0.05).Conclusions:ElevationofcirculatingTh22cellsandIL-22maybeimplicatedinthepathogenesisofHCC,andpotentiallybecellulartargetsfortherapeuticintervention.

  • 标签: T细胞 肝癌 MRNA表达水平 聚合酶链反应 免疫组化染色 发病机制
  • 简介:Objective:Population-basedcancerregistrationdatawereusedtoanalyzetheepidemiologyandtrendofmalignantmesotheliomainChina,andtheresultwouldprovidebasicdataforitspreventionandcontrol.Methods:Malignantmesotheliomadatain2013wereretrievedfromthedatabaseofNationalCancerRegistry.Malignantmesotheliomaincidenceandmortalitywereestimatedusingage-specificratebyurban/ruralandgenderaccordingtothenationalpopulationin2013.Malignantmesotheliomadatafrom22cancerregistrieswereusedfortrendanalysisduring2000–2013.Results:Itisestimatedthattherewere2,041newmalignantmesotheliomacasesand1,659malignantmesotheliomadeathsoccurredin2013.ThecrudeincidencerateinChinawere1.50/106(males1.67/106,females1.32/106),age-standardizedincidenceratesbyChinesestandardpopulation(ASIRC)andbyworldstandardpopulation(ASIRW)were1.03/106and1.02/106,respectively.ThecrudemortalityrateinChinawas1.22/106(males1.67/106,females1.32/106),age-standardizedmortalityratesbyChinesestandardpopulation(ASMRC)andbyworldstandardpopulation(ASMRW)were0.83/106and0.81/106,respectively.TherewasanincreasingtrendofincidencerateformalignantmesotheliomainregistrationareasofChinaduring2000–2013withannualpercentagechange(APC)of2.5%[95%confidenceinterval(95%CI):0.6%–4.5%].Afteragestandardization,nosignificantdifferenceswereobserved.Nomatterforcrudemortalityratesorage-standardizedmortalityrates,nosignificantdifferenceswereobservedduring2000–2013.Conclusions:Malignantmesotheliomaisthemajoroccupationalandenvironmentalneoplasmassociatedwithasbestosexposure.Theincreasingincidencetrendsuggeststhatmoreattentionshouldbepaidonthisdisease.

  • 标签: 流行病学调查 中国标准 恶性 基础数据 世界标准 死亡率
  • 简介:Objective:Population-basedcancerregistrationdatain2010werecollected,evaluatedandanalyzedbytheNationalCentralCancerRegistry(NCCR)ofChina.Cancerincidentnewcasesandcancerdeathswereestimated.Methods:Therewere219cancerregistriessubmittedcancerincidenceanddeathdatain2010.AlldatawerecheckedandevaluatedonbasisofthecriteriaofdataqualityfromNCCR.Total145registries’datawerequalifiedandacceptedforcancerstatisticsin2010.Pooleddatawerestratifiedbyurban/rural,area,sex,agegroupandcancersite.Cancerincidentcasesanddeathswereestimatedusingage-specificratesandnationalpopulation.Thetoptencommoncancersindifferentgroups,proportionandcumulativeratewerealsocalculated.Chinesecensusin2000andSegi’spopulationwereusedforage-standardizedincidence/mortalityrates.Results:All145cancerregistries(63inurbanand82inrural)coveredatotalof158,403,248population(92,433,739inurbanand65,969,509inruralareas).Theestimatesofnewcancerincidentcasesandcancerdeathswere3,093,039and1,956,622in2010,respectively.Themorphologyverifiedcases(MV%)accountedfor67.11%and2.99%ofincidentcaseswereidentifiedthroughdeathcertificationsonly(DCO%)withmortalitytoincidenceratio(M/I)of0.61.Thecrudeincidenceratewas235.23/100,000(268.65/100,000inmales,200.21/100,000infemales),age-standardizedincidenceratesbyChinesestandardpopulation(ASIRC,2000)andbyworldstandardpopulation(ASIRW)were184.58/100,000and181.49/100,000withthecumulativeincidencerate(0-74yearsold)of21.11%.ThecancerincidenceandASIRCwere256.41/100,000and187.53/100,000inurbanareaswhereasinruralareas,theywere213.71/100,000and181.10/100,000,respectively.ThecrudecancermortalityinChinawas148.81/100,000(186.37/100,000inmalesand109.42/100,000infemales),age-standardizedincidenceratesbyChinesestandardpopulation(ASMRC,2000)andbyworldstandardpopulation(ASMRW)were113.92/100,000and112.86/100,0

  • 标签: 癌症发病率 中国标准 年度报告 人口估计 农村地区 死亡病例
  • 简介:Follicularlymphoma(FL)isacommonsubtypeofB-celllymphoma.BasedontheupdatedNationalComprehensiveCancerNetworkguidelinesandrelatedmedicaldata,theauthorsformulatedtheFLguidelinesforChinabycombiningthediagnosticlevelandcurrentsituationoflymphoma.

  • 标签: B细胞淋巴瘤 中国 滤泡 指南 治疗 诊断
  • 简介:Objective:ToanalyzetheincidenceandmortalityratesoflungcancerinChinafrom2008to2012.Methods:IncidentanddeathcasesoflungcancerwereretrievedfromtheNationalCentralCancerRegistry(NCCR)databasecollectingfrom135cancerregistriesinChinaduring2008-2012.Thecrudeincidenceandmortalityratesoflungcancerwerecalculatedbyarea(urban/rural),region(eastern,middle,western),genderandagegroup(0,1-4,5-9,…,85+).Chinacensusin2000andSegi’sworldpopulationwereappliedforagestandardizedrates.JoinPoint(Version4.5.0.1)modelwasusedfortimetrendanalysis.Results:Thecrudeincidencerateoflungcancerwas54.66/100,000whichrankedthefirstinoverallcancers.Theage-standardizedincidenceratesbyChinapopulation(ASIRC)andbyWorldpopulation(ASIRW)were35.13/100,000and34.86/100,000,respectively.ThecrudemortalityoflungcancerinChinawas45.60/100,000anditwasthefirstcauseofcancer-relateddeathinoverallcancers.Theage-standardizedmortalityratesbyChinesestandardpopulation(ASMRC)andbyworldstandardpopulation(ASMRW)were28.57/100,000and28.22/100,000,respectively.Incidenceandmortalityratesoflungcancerwerehigherinmalesthaninfemalesandhigherinurbanareasthaninruralareas.Easternareashadthehighestincidenceandmortalityratesfollowedbymiddleandwesternareas.Incidenceandmortalityratesoflungcancerretainedlowlevelinagegroupsbefore40yearsoldbutincreasedgreatlyafterandpeakedinagegroupof80-84.During2003-2012,thetemporaltrendoftheincidencerateoflungcancerinbothsexesinChinawasgeneralstable(P<0.05).Thelungcancerincidencerateincreasedby0.71%peryearinfemales(P<0.05)and2.26%peryearinruralareas(P<0.05).Themortalityrateoflungcancerdecreasedslightlyannuallyduring2003-2012inChina(P>0.05).Inurbanareas,itdeclinedby0.76%peryear(P<0.05),butroseby2.09%peryear(P<0.05)inruralareas.Conclusions:Appropriatetargetedprevention,earlydetectionandtreatment

  • 标签: LUNG CANCER INCIDENCE MORTALITY China
  • 简介:Esophagealcancerisoneofthemostfataldiseasesworldwidemainlybecauseofitsrapidprogressionandpoorprognosis.AlthoughtheincidenceofesophagealadenocarcinomahasmarkedlyriseninNorthAmericaandEuropeinthepastseveraldecades,esophagealsquamouscellcarcinomaisstillthepredominantsubtypeofesophagealcancer,especiallyinChina.Itaccountsformorethan90%ofallesophagealsquamouscellcarcinomacasesinChina.Geographicaldifferentiationisoneofthemostdistinctivecharacteristicsofesophagealcancer.Theprogression,riskfactors,andprognosisofthesetwosubtypesofesophagealcancerdiffer.Thisstudyreviewstheepidemiology,etiology,andpreventionofesophagealsquamouscellcarcinomainChina,therebyprovidingsystematicreferencesforpolicy-makerswhowilldecideonissuesofesophagealcancerpreventionandcontrol.

  • 标签:
  • 简介:Objective:LivercancerisoneofthemostcommoncancersandmajorcauseofcancerdeathsinChina,whichaccountsforover50%ofnewcasesanddeathsworldwide.Thesystematiclivercancerstatisticsincludingofprojectionthrough2030couldprovidevaluableinformationforpreventionandcontrolstrategiesinChina,andexperienceforothercountries.Methods:TheburdenoflivercancerinChinain2014wasestimatedusing339cancerregistries’dataselectedfromChineseNationalCancerCenter(NCC).Incidentcasesof22cancerregistrieswereappliedfortemporaltrendsfrom2000to2014.Theburdenoflivercancerthrough2030wasprojectedusingage-period-cohortmodel.Results:About364,800newcasesoflivercancer(268,900malesand95,900females)occurredinChina,andabout318,800livercancerdeaths(233,500malesand85,300females)in2014.WesternregionsofChinahadthehighestincidenceandmortalityrates.Incidenceandmortalityratesdecreasedbyabout2.3%and2.6%peryearduringtheperiodof2000-2014,respectively,andwoulddecreasebymorethan44%between2014and2030inChina.Theyounggeneration,particularlyforthoseagedunder40years,showedafasterdowntrend.Conclusions:Basedontheanalysis,incidenceandmortalityratesoflivercancerareexpectedtodecreasethrough2030,buttheburdenoflivercancerisstillseriousinChina,especiallyinruralandwesternareas.MostcasesoflivercancerinChinacanbepreventedthroughvaccinationandmorepreventioneffortsshouldbefocusedonhighriskgroups.

  • 标签: Liver CANCER BURDEN TEMPORAL trends prediction
  • 简介:Objective:Thisstudyaimstoinvestigatethetruth-tellingstatusandtherelevantfactorsofesophagealsquamouscellcarcinoma(ESCC)patientsinHenan,China.Methods:Across-sectionalstudyfromApriltoJune2015usingquestionnaireswasgivento301familymembersofhospitalizedESCCpatientsbasedinthreeaffiliatedhospitalsofZhengzhouUniversity(i.e.,TheFirstHospital,TheSecondHospital,andTumorHospital)andAnyangTumorHospital.Results:Amongthe41.9%(126/301)hospitalizedESCCpatientswhoknewoftheirtruediagnoses,only4.0%patientswereinformedbytheircorrespondingresponsibledoctors,39.7%bytheirfamilymembers,and56.3%bythemselves.UnivariateanalysesshowedthatdisclosureofconfirmedESCCdiagnosistopatientswascorrelatedwithgender,familyhistoryofcancer(FHC),educationlevel,vocation,hospitaladministrativelevel,andattitudesoffamilymembers(P<0.05).Furthermore,multivariateanalysisindicatedthatattitudeoffamilymemberswasthemostimportantandanindependentfactorfordiagnosisdisclosure.ThosepatientswithanegativeFHC,under-education,manualoccupation,advancedstages,andhospitalizedinmunicipalhospitalsexhibitedalowrateoftruthtelling.Conclusions:TruthtellingforESCCpatientsinHenanisnotprevalentandmaybeimprovedthroughconsultationwithfamilymembers,particularlyforpatientswithanegativeFHC,pooreducation,manualoccupation,andadvancedstages.

  • 标签: 鳞状细胞癌 食管癌 河南 中国 肿瘤医院 家庭成员