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35 个结果
  • 简介:Hereditaryfructoseintolerance(HFI)isanunderrecognized,preventablelife-threateningcondition.ItisanautosomalrecessivedisorderwithsubnormalactivityofaldolaseBintheliver,kidneyandsmallbowel.Symptomsarepresentonlyaftertheingestionoffructose,whichleadstobriskhypoglycemia,andanindividualwithcontinuedingestionwillexhibitvomiting,abdominalpain,failuretothrive,andrenalandliverfailure.AdiagnosisofHFIwasmadeina50-year-oldwomanonthebasisofmedicalhistory,responsetofructoseintolerancetest,demonstrationofaldolaseBactivityreductioninduodenalbiopsy,andmolecularanalysisofleukocyteDNAbyPCRshowedhomozygosityfortwodosesofmutantgene.HFImayremainundiagnoseduntiladultlifeandmayleadtodisastrouscomplicationsfollowinginadvertentfructoseorsorbitolinfusion.SeverallethalepisodesofHFIfollowingsorbitolandfructoseinfusionhavebeenreported.Thediagnosiscanonlybesuspectedbytakingacarefuldietaryhistory,andthiscanpresentseriouscomplications.

  • 标签: 遗传性 果糖 常染色体隐性遗传疾病 肝功能衰竭 成人 生长迟滞
  • 简介:ThetreatmentofprimarygastricdiffuselargeB-celllymphoma(DLBCL)haschangedradicallyoverthelast10–15years,withtheabandonmentofroutinegastrectomyinfavorofmoreconservativetherapies.Low-levelevidencesuggeststhatconsolidationradiotherapycouldbeavoidedinpatientswithlimited-stageDLBCLofthestomachwhoachievecompleteremissionafterrituximab-CHOPcombination.Small,recentprospectivetrialssuggestthatselectedpatientswithlimited-stageHelicobacterpylori(H.pylori)-positiveDLBCLofthestomachandfavorableprognosticfactorscanbemanagedwithantibioticsalone,withexcellentdiseasecontrolandcurerates,keepingchemo-radiotherapyforunresponsivepatients.Thisrecommendationshouldequallyregardpatientswithmucosa-associatedlymphoidtissue-relatedordenovoDLBCL.FuturestudiesshouldbefocusedontheestablishmentofreliablevariablesabletodistinguishthebestcandidatesforexclusivetreatmentwithH.pylorieradicationfromthosewhoneedforconventionalchemo-immunotherapy.

  • 标签: DIFFUSE large B-CELL LYMPHOMA GASTRIC LYMPHOMA
  • 简介:Enterovesicalfistulasarenotuncommoninpatientswithinflammatoryormalignantcolonicdisease,however,fistulassecondarytoprimarybladdercarcinomasareextremelyrare.Wehereinreportedapatientpresentingwithintractableurinarytractinfectionduetoenterovesicalfistulaformationcausedbyasquamouscellcarcinomaoftheurinarybladder.Thispatientunderwentenblocresectionofthebladderdomeandinvolvedileum,andrecovereduneventfullywithouturinarycomplaint.Tothebestofourknowledge,thisisthefirstcasereportedintheliterature.

  • 标签: 膀胱癌 肠道 细胞 尿路感染 原发性 顽固性
  • 简介:AIM:Heatshockprotein(HSP)70isover-expressedinhumangastriccancerandplaysanimportantroleintheprogressionofthiscancer.WeinvestigatedtheeffectsofantisenseHSP70oligomeronhumangastriccancercelllineSGC-7901,anditspotentialroleingenetherapyforthiscancer.METHODS:HumangastriccancercelllineSGC-7901wastreatedinvitrowithvariousconcentrationsofantisenseHSP70oligonucleotidesatdifferentintervals.Growthinhibitionwasdeterminedaspercentagebytrypanbluedyeexclusiontest.ExtractedDNAwaselectrophoresedonagarosegel,anddistributionofcellcycleandkineticsofapoptosisinductionwereanalyzedbypropidiumiodideDNAincorporationusingflowcytometry,whichwasalsousedtodetecttheeffectsofantisenseoligomerpretreatmentonthesubsequentapoptosisinducedbyheatshockinSGC-7901cells.ProteinswereextractedforsimultaneousmeasurementofHSP70expressionlevelbySDS-PAGEWesternblotting.RESULTS:Thenumberofviablecellsdecreasedinadoseandtime-dependentmanner,andladder-likepatternsofDNAfragmentswereobservedinSGC-7901cellstreatedwithantisenseHSP70oligomersataconcentrationof10μmol/Lfor48hor8μmol/Lfor72h,whichwereconsistentwithinter-nucleosomalDNAfragmentation.Flowcytometricanalysisshowedadose-andtime-dependentincreaseinapoptoticratebyHSP70antisenseoligomers.ThisresponsewasaccompaniedwithadecreaseinthepercentageofcellsintheG1andSphasesofthecellcycle,suggestinginhibitionofcellproliferation.Inaddition,flowcytometryalsoshowedthatpretreatmentofSGC-7901cellswithHSP70antisenseoligomersenhancedthesubsequentapoptosisinducedbyheatshocktreatment.WesternblottingdemonstratedthatHSP70antisenseoligomersinhibitedHSP70expression,whichprecededapoptosis,andHSP70wasundetectableattheconcentrationof10μmol/Lfor48hor8μmol/Lfor72h.CONCLUSION:AntisenseHSP70oligomerscanabrogateHSP70expressioninSGC-7901cells,wh

  • 标签: 热休克蛋白70 HSP70 寡核苷酸 细胞生长 抑制作用 细胞凋亡
  • 简介:瞄准:在食道的有鳞的房间癌(ESCC)调查midkine的表示并且与clinicopathological特征分析它的关系。方法:RT-PCR和免疫细胞化学的染色被用来分别地在EC109房间检测midkinemRNA和蛋白质的表示。然后,在ESCC样品的66种情况中的midkine的表示被免疫组织化学对人的midkine用单音的同种细胞的抗体检测。结果:Midkine被RT-PCR和免疫细胞化学在EC109房间表示。免疫反应在56.1%被检测(37/66)ESCC样品。midkine的表示在肿瘤房间的细胞质被发现。尤其是,midkine的紧张在充满容器和肿瘤的入侵的边阶的区域是更强壮的。Midkine更强烈地比在中等并且糟糕区分的肿瘤在很好区分的肿瘤(76.9%)被表示(43.1%和41.2%,分别地)(P<0.05)。在midkine之间没有统计上重要的关联在ESCC的表示和性,年龄,临床的阶段,淋巴节点转移或幸存。结论:Midkine完了在ESCC表示了。它可以在肿瘤血管生成和侵略起一个作用。midkine的表示在ESCC与肿瘤细胞分化被相关。肿瘤房间区分越多糟糕,midkine表示越多weaker。

  • 标签: 食管细胞癌 基因表达 临床表现 治疗
  • 简介:AIM:Tostudytheblockingeffectsofgenisteinoncellproliferationcycleinhumangastriccarcinomacells(SGC-7901)andthepossiblemechanism.METHODS:MTTassaywasappliedinthedetectionoftheinhibitoryeffectsofgenisteinoncellproliferation.Flowcytometrywasusedtoanalyzethecellcycledistribution.ImmunocytochemicaltechniqueandWesternblottingwereperformedtodetecttheproteinexpressionofcyclinD1,cyclinB1andp21waf1/cip1.RESULTS:Genisteinsignificantlyinhibitedthegrowthandproliferationofhumangastriccarcinomacells(SGC-7901).Sevendaysaftertreatmentwithdifferentconcentrationsofgenistein(2.5,5.0,10.0,20.0μg/mL),thegrowthinhibitoryrateswere11.2%,28.8%,55.3%,84.7%respectivelyandcellcycleswerearrestedattheG(2)/Mphase.GenisteindecreasedcyclinD1proteinexpressionandenhancedcyclinB1andp21waf/cip1proteinexpressioninaconcentration-dependentmanner.CONCLUSION:ThegrowthandproliferationofSGC-7901cellscanbeinhibitedbygenisteinviablockingthecellcycle,withreducedexpressionofcyclinD1andenhancedexpressionofcyclinB1andp21waf/cip1proteinintheconcentrationrangeof0-20μg/mL.

  • 标签: 分芽繁殖 胃癌 肿瘤 SGC-7901 染料木素 细胞系统
  • 简介:AIM:Toevaluatetheroleofsurvivinandcaspase-3inapoptosisofgastriccarcinoma,aswellasinprognosisofpatientswithgastriccarcinoma.METHODS:Expressionsofsurvivinandcaspase-3wereinvestigatedimmunohistochemicallyin80gastriccarcinomapatientswithoutahistoryofchemo-radiationtherapy.TumorcellapoptosiswasexaminedbyTUNELmethod.RESULTS:Immunohistochemicalanalysisshowedthatsurvivinexpressionwaspositivein61of80patients(76%)withgastriccarcinoma.Incontrast,noexpressionofsurvivininadjacentnormaltissueswasdetected.Expressionlevelofcaspase-3washigherinnormaltissuesthanincarcinoma.Patientswithhigherexpressionofsurvivinhadworsehistologicalgradesandpathologicalstages.Expressionofcaspase-3wassignificantlyassociatedwithhistologicalstages,butnotwiththepathologicalstages.Althoughsurvivinexpressionincarcinomawasnotinverselyrelatedtocaspase-3,patientswithsurvivin(-)andcaspase-3(+)hadthemaximumapoptosisindex.CONCLUSION:Expressionlevelofsurvivinwasassociatedwithhistologicalgradesandpathologicalstagesofthetumor,indicatingthatsurvivinmaybeapoorprognosisfactorforgastriccarcinoma.Unlikecaspase-3,survivin(anapoptosisinhibitor)canmarkedlyinhibittheapoptosisoftumorcells.

  • 标签: CASPASE-3 细胞凋亡 预后作用 胃癌 肿瘤 免疫组织化学
  • 简介:Perivascularepithelioidcelltumor(PEComa)ofthepancreasisanunusualtumorderivingfrommesenchyma.ThispaperdescribedacaseofpancreaticPEComa,whichwasinitiallysuspectedasneuroendocrinecarcinomabybiopsy,andthereforesurgicaltreatmentwasrecommendedduetoundetermineddiagnosis.Examinationofthesurgicalspecimenunderamicroscopeshowedthatthetumorcell’smorphologywasepithelioidorspindle-shaped,andrangedinanestedpattern.Additionally,thesecellshadalargeextentofacidophiliccytoplasm,nomitoticfigures,andexpressedHMB-45,melan-p,andsmoothmuscleactinimmunohistochemically.PathologicalexaminationindicatedthatPEComaoriginatedfromthepancreas,butsymptomsrelatedtotuberoussclerosiswereabsent.SincePEComaisextremelyrareinthepancreas,itislikelytobeignoredindifferentialdiagnosis.Inconclusion,ourarticlehighlightedtheclinicopathologicalfeaturesofPEComa,andweconductedaliteraturereviewfocusingonPEComasoastodeepentheunderstandingofthistumortype.

  • 标签: PANCREAS PERIVASCULAR EPITHELIOID cell tumor HMB-45
  • 简介:AIMToevaluatetheclinicaloutcomesofpatientswhounderwentendoscopicsubmucosaltunneldissection(ESTD)foresophagealsquamouscellcarcinoma(ESCC)andprecancerouslesions.METHODSESTDwasperformedin289patients.Theclinicaloutcomesofthepatientsandpathologicalfeaturesofthelesionswereretrospectivelyreviewed.RESULTSAtotalof311lesionswereincludedintheanalysis.Theenblocrate,completeresectionrate,andcurativeresectionratewere99.04%,81.28%,and78.46%,respectively.TheESTDproceduretimewas102.4±35.1min,themeanhospitalizationtimewas10.3±2.8d,andtheaverageexpenditurewas3766.5±846.5dollars.Theintraoperativebleedingratewas6.43%,thepostoperativebleedingratewas1.61%,theperforationratewas1.93%,andthepostoperativeinfectionratewas9.65%.Esophagealstrictureandpositivemarginweresevereadverseevents,withanincidencerateof14.79%and15.76%,respectively.Notumorrecurrenceoccurredduringthefollow-upperiod.CONCLUSIONESTDforESCCandprecancerouslesionsisfeasibleandrelativelysafe,butforlargemucosallesions,therateofesophagealstrictureandpositivemarginishigh.

  • 标签: SUPERFICIAL ESOPHAGEAL squamous cell carcinoma ENDOSCOPIC
  • 简介:AIM:Toinvestigatetheanti-tumoreffectsofnuclearfactor-κB(NF-κB)inhibitorSN50andrelatedmechanismsofSGC7901humangastriccarcinomacells.METHODS:MTTassaywasusedtodeterminethecytotoxiceffectsofSN50ingastriccancercelllineSGC7901.Hoechst33258stainingwasusedtodetectapoptosismorphologicalchangesafterSN50treatment.Activationofautophagywasmonitoredwithmonodansylcadaverine(MDC)stainingafterSN50treatment.Immunofluorescencestainingwasusedtodetecttheexpressionoflightchain3(LC3).MitochondrialmembranepotentialwasmeasuredusingthefluorescentprobeJC-1.Westernblottinganalysiswereusedtodeterminetheexpressionofproteinsinvolvedinapoptosisandautophagyincludingp53,p53upregulatedmodulatorofapoptosis(PUMA),damage-regulatedautophagymodulator(DRAM),LC3andBeclin1.Wedetectedtheeffectsofp53-mediatedautophagyactivationontheapoptosisofSGC7901cellswiththep53inhibitorpifithrin-α.RESULTS:TheviabilityofSGC7901cellswasinhibitedafterSN50treatment.Inductionsintheexpressionofapoptoticproteinp53andPUMAaswellasautophagicproteinDRAM,LC3andBeclin1weredetectedwithWesternblottinganalysis.SN50-treatedcellsexhibitedpunctuatemicrotubule-associatedprotein1LC3inimmunoreactivityandMDC-labeledvesiclesincreasedaftertreatmentofSN50byMDCstaining.CollapseofmitochondrialmembranepotentialΔψweredetectedfor6to24hafterSN50treatment.SN50-inducedincreasesinPUMA,DRAM,LC3andBeclin1andcelldeathwereblockedbythep53specificinhibitorpifithrin-α.CONCLUSION:Theanti-tumoractivityofNF-κBinhibitorsisassociatedwithp53-mediatedactivationofautophagy.

  • 标签: 细胞凋亡 P53 自噬 激活 免疫荧光染色法 WESTERN印迹
  • 简介:肠道T细胞淋巴瘤(intestinalT-celllymphoma,ITCL)病情凶险,临床表现复杂,以非特异性症状为主。发病年龄轻,无明显的乳糜泻,EB病毒检出率高,回盲部、升结肠和降结肠受累多见是我国患者的特点,与西方国家报道不同。ITCL由于临床少见,极易误诊,且易复发,对治疗的反应和预后极差,死亡率高,应引起临床医师的广泛重视。

  • 标签: 淋巴瘤 T细胞 疱疹病毒4型 临床特点 早期诊断 预后
  • 简介:瞄准:在胃的很好区分的内分泌的肿瘤(GWDET)(ECL房间良性肿瘤)调查cyclin依赖的激酶禁止者p21和p27的表示。方法:p21和p27的表情从匹配GWDET的诊断标准的16个病人在内视镜的活体检视标本immunhistochemically被检验。弱或强壮的积极原子染色任何一个的百分比被注意。有年龄,性,肿瘤本地化,multifocality和伴随的长期的萎缩性胃炎,神经内分泌房间增生(NEH),神经内分泌发育异常(NED),肠的组织变形(IM),Ki-67增长索引和临床的结果的免疫表情的协会也被评估。结果:所有情况与43.6%的一个吝啬的表示分数表示了p27,当31.3%案例显示出任何p21表示时。p21和p27免疫表情显著地与对方一起被相关(P<0.01),并且表示p21组有更高的p27表示分数(68%对22%)。p21和p27表情在女人是更低的,在在某处除没有粘膜下层扩展的宫底以外,其肿瘤被定位的非衰退的粘膜和盒子。在上矛盾,p21和p27表情与粘膜下层扩展和萎缩性胃炎在男性和病人是更高的。介绍更低的p27分数的盒子有独居的肿瘤显示出既不NEH-NED也不IM。尽管有,有更低的p21表示的盒子介绍了NEH-NED伴随的多焦点的肿瘤。然而,p21的关联和p27表情都没与年龄和Ki-67表示被发现。结论:p27广泛地在GWDET被表示,当p21表示在三分之二个盒子中稀少、观察时。p21和p27表情的损失可以与不同良性肿瘤肿瘤子类型被相关;然而,更多的研究被需要在胃肠的内分泌的肿瘤估计这些未来的标记的角色。

  • 标签: 分泌性肿瘤 细胞周期蛋白 胃肠肿瘤 病理
  • 简介:Thisarticlediscussestheadequatetreatmentofearlygallbladdercancer(T1a,T1b)andisbasedonpublishedstudiesextendingovernearly3decades.Randomizedstudiesandmetaanalysescomparingdifferentsurgicaltreatmentsdonotexist.Theliteratureshowsthatinupto20%ofpatientslymphnodemetastasisarefoundinT1bgallbladdercancer.Duetohighmalignancywithearlyangiolymphaticspreadandresistancetochemotherapyandradiationontheonehand,andtherelativelowoperativeriskofextendedcholecystectomy(cholecystectomyandregionallymphadenectomy)ontheotherhand,webelievethatthisprocedureismandatoryinearlygallbladdercancer.

  • 标签: 淋巴结 TLB 胆囊 手术治疗 恶性肿瘤
  • 简介:瞄准:到表示人的gastric-cancer-related基因介绍的分析,GCRG123在人的胃的图章戒指房间癌纸巾,并且在GCRG123上执行生物信息学分析。方法:原位杂交被用来在嵌入石蜡的胃的纸巾探索GCRG123表示模式,包括图章戒指房间癌的15个盒子,15肠类型的腺癌,和15正常胃粘膜。北弄污被用来在在胃图章戒指房间癌和肠类型的腺癌纸巾之间的GCRG123表示分析差别。包括强风,Multalin和叫,联机软件被申请生物信息学分析。生物工学信息(NCBI)和加利福尼亚大学圣克鲁斯(UCSC)的国家中心数据库被用于分析。结果:当蓝色猛抛,原位杂交信号出现了限制了为细胞质。十从胃的环状体房间癌,正常胃的粘膜上皮和幽门腺的15个盒子显示出高GCRG123表示。低GCRG123表示在胃的肠类型的腺癌和正常胃腺被观察。北弄污表明GCRG123在图章戒指房间癌组织是起来调整的但是在肠类型的腺癌组织下面调整。强风和Multalin分析表明GCRG123顺序与人的长散布的原子元素retrotransposons的ORF2顺序有92%类似(LINE-1,L1)。叫分析显示了印射到所有染色体的那GCRG123。GCRG123被发现在Rb,IL-2的5'flanking区域和凝固第九因子基因的intron-17和-23集成。结论:GCRG123,L1家庭的一个积极成员,在人的胃的图章戒指是起来调整的房间癌。

  • 标签: LINE-1 胃癌 症状 癌细胞
  • 简介:AIM:RecombinedplasmidpETNF-P16wasconstructedtoinvestigateitsexpressionpropertiesinesophagealsquamouscarcinomacelllineEC9706inducedbyX-rayirradiationandthefeasibilityofgene-radiotherapyforesophagealcarcinoma.METHODS:RecombinedplasmidpETNF-P16wasconstructedandtransfectedintoEC9706cellswithlipofectamine.ELISA,Westernblot,andimmunocytochemistrywereperformedtodeterminetheexpressionpropertiesofpETNF-P16inEC9706aftertransfectioninducedbyX-rayirradiation.RESULTS:EukaryoticexpressionvectorpETNF-P16wassuccessfullyconstructedandtransfectedintoEC9706cells.TNFαexpressionsweresignificantlyincreasedinthetransfectedcellsafterdifferentdosesofX-rayirradiationthaninthoseafter0Gyirradiation(1192.330-2026.518pg/mL,P<0.05-0.01),andtheTNFαexpressionsandP16weresignificantlyhigher6-48hafter2GyX-rayirradiation(358.963-585.571pg/mL,P<0.05-0.001).NoP16expressionwasdetectedinnormalEC9706cells.However,therewasstrongexpressioninthetransfectedandirradiationgroups.CONCLUSION:X-rayirradiationinductioncouldsignificantlyenhanceTNFαandP16expressioninEC9706cellstransfectedwithpETNF-P16plasmid.Theseresultsmayprovideimportantexperimentaldataandtherapeuticpotentialforgene-radiotherapyofesophagealcarcinoma.

  • 标签: pETNF-P16 质粒 基因表达 道具 EC9706 细胞系统
  • 简介:瞄准:调查在肝的卵形的房间在试管内的增长和区别上表明小径的正规Wnt的激活的效果。方法:WB-F344房间与recombinantWnt3a被对待(20,40,80,160,200ng/mL)在24h的没有浆液的媒介。房间增长被Brdu加入分析测量;未经治疗的WB-F344房间作为控制被拿。有为24h的Wnt3a(160ng/mL)的术后疗法,在对待的WB-F344房间代替细胞的本地化和beta-catenin的蛋白质表示并且与Wnt3a未经治疗被免疫荧光染色和西方的污点分析检验。CyclinD1mRNA表示被半量的反向抄本的聚合酶链反应(RT-PCR)决定。一些表型的标记的mRNA层次(法新社,CK-19,白长袍的)并且二个肝的原子因素(HNF-4,HNF-6)被RT-PCR测量。CK-19和法新社蛋白质的表情被西方的污点分析检测。结果:Wnt3a支持了WB-F344房间的增长。有recombinantWnt3a的WB-F344房间的刺激导致了transcriptional使活跃之物beta-catenin的累积,和它进原子核,和起来调整的典型Wnt目标基因CyclinD1的易位。在当浆液不在时的Wnt3a处理的3d以后,WB-F344房间保留了他们的双性人潜力表示hepatocytes和cholangiocytes的几个特定的表型的标记,例如法新社和CK-19,跟随表明小径的正规Wnt的激活。结论:表明小径的正规Wnt支持老鼠的增长和自强肝的卵形的房间。

  • 标签: 卵形细胞 细胞增殖 自我更新细胞 WB-F344
  • 简介:目的探讨食管癌患者在放射治疗中不同剂量对患者免疫功能的影响。方法12例食管癌随机分为两组,放射剂量50-60Gy组及65~70Gy组,放疗前及放疗后应用T细胞亚群单克隆抗体检测患者的T总细胞(OKT3)、TH细胞(OKT4)、TS细胞(0KT8)。结果所有患者放射治疗结束时与放射治疗前两组OKT细胞反应率比率经统计学处理有显著差异(P<0.05~0.01),50~60Gy与65~70Gy两组放疗前后各OKT细胞反应结果经统计学处理均无显著性差异(P>0.05)。结论适量放疗可解除癌细胞对OKT3、OKT4反应细胞的抑制,提高机体免疫功能,放射剂量>50Gy后剂量的改变对患者体内各T细胞的反应率无显著影响。

  • 标签: 患者 食管癌 放疗 T细胞亚群 OKT3 经统计学处理
  • 简介:Q—T间期离散度(QTd)是指同一份心电图各导联最长与最短QT间期的差值,其大小反映各部分心室肌复极化不均的程度,QTd是1990年由Dag等首先提出,又称心肌复极离散度,对预测各种恶性心律失常、心源性猝死有重要临床价值。QTd增加是冠心病心律失常性死亡的独立危险因素,是评估急性心肌梗塞(AMI)近期预后的重要指标。

  • 标签: 急性心肌梗塞 心电图 Q-T离散度 预后