简介:Wnt-1induciblesignalingpathway-1(WISP-1),alsoknownasCCN-4,belongstotheconnectivetissuegrowthfactor(CTGF)family.WISP-1isprimarilyexpressedinembryonicstemcellsandisinvolvedinadultorgandevelopment.WISP-1participatesinmanycellularprocesses,includingproliferation,differentiation,apoptosisandadhesion.Inaddition,WISP-1playsanimportantroleindiversepathophysiologicalprocesses,suchasembryonicdevelopment,inflammation,injuryrepairsandcancers.RecentstudiesshowedthatWISP-1washighlycorrelatedwithtumorprogressionandmalignanttransformation,whereasitplayedanoncogenicroleincolorectalcancer,cholangiocarcinoma,hepatocellularcarcinomaandbreastcancer.However,interestingly,WISP-1exertsatumorsuppressingroleinlungandprostatecancers.WISP-1promotescellproliferation,adhesion,motility,invasion,metastasisandepithelial-to-mesenchymaltransitionviaparticularsignalingpathways.Inthisreview,wediscussedthestructure,expressionprofile,functions,clinicalsignificanceandpotentialmechanismsofWISP-1incancerandnon-neoplasticdiseases.
简介:结肠癌转移相关基因1(metastasis.associatedincoloncancer-1,MACC1)是通过对结肠癌的研究新发现并证实的基因,近年来对MACC1与多种恶性肿瘤的相关研究逐渐受到关注,并取得一定成果,本文就此进行综述。
简介:目的:观察国产虫草素对人宫颈癌Hela细胞生长,MMP-9,TIMP-1及TIMP-1mRNA表达的影响。方法:采用MTr法观察不同浓度的虫草素溶液(0,1,2,4mg/ml)对Hela细胞增殖抑制作用。人MMP-9/TIMP-1ELISA试剂盒及RT—PCR技术检测经不同浓度虫草素溶液(0,1,2,4mg/ml)处理后不同时间点(12,24,48h)Hela细胞MMP-9/TIMP-1及TIMP-1mRNA表达的影响。结果:国产虫草素以剂量依赖方式抑制Hela细胞生长。不同浓度虫草素处理不同时问的Hela细胞分泌MMP-9呈轻度剂量依赖抑制方式,但未见统计学差异(P〉0.05)。可上调TIMP-1及其mRNA的表达,且呈明显剂量依赖方式,统计学差异显著(P〈0.05),尤其在24hTIMP-1mRNA的表达及蛋白分泌达最高峰。结论:国产虫草素可以以剂量依赖方式抑制肿瘤细胞的生长;可以通过上调TIMP—1mRNA及蛋白的表达发挥潜在的抗肿瘤细胞侵润转移的作用,为国产新型抗肿瘤药物的临床研发及应用提供实验室依据。
简介:Blockadeofimmunecheckpointshasrecentlyemergedasanoveltherapeuticstrategyinvarioustumors.Inparticular,monoclonalantibodiestargetingprogrammedcelldeath1(PD-1)oritsligand(PD-L1)havebeenmoststudiedinlungcancer,andPD-1inhibitorsarenowestablishedagentsinthemanagementofnon-smallcelllungcancer(NSCLC).ThereportsonhighprofileclinicaltrialshaveshowntheassociationofPD-L1expressionbyimmunohistochemistry(IHC)withhigheroverallresponseratestothePD-1/PD-L1axisblockadesuggestingthatPD-L1expressionmayserveasapredictivemarker.Unfortunately,however,eachPD-1orPD-L1inhibitoriscoupledwithaspecificPD-L1antibody,IHCprotocolandscoringsystemforthebiomarkerassessment,makingthehead-to-headcomparisonofthestudiesdifficult.Similarly,multipleclinicalseriesthatcorrelatedPD-L1expressionwithclinicopathologicand/ormolecularvariablesand/orsurvivalhavereportedconflictingresults.Thediscrepancycouldbeexplainedbythedifferencesinethnicityand/orhistologictypesincludedinthestudies,butitappearstobeattributedinparttothedifferencesinPD-L1IHCmethods.Thus,orchestratedeffortstostandardizethePD-L1IHCarewarrantedtoestablishtheIHCasapredictiveand/orprognosticbiomarkerinNSCLC.
简介:目的观察长链非编码RNAAFAP1-AS1在非小细胞肺癌(non-smallcelllungcancer,NSCLC)中的表达,探讨AAFAP1-AS1与NSCLC患者预后的关系。方法选取82例病理学确诊为NSCLC患者的癌组织及癌旁组织,制作组织芯片,检测AFAP1-AS1在癌组织及癌旁组织中的表达。通过Cox单因素和多因素回归模型分析AFAP1-AS1与NSCLC预后的关系。结果AFAP1-AS1在NSCLC肿瘤组织中的表达高于癌旁组织,并且AFAP1-AS1高表达的患者预后明显差于AFAP1-AS1低表达患者(P〈0.05)。结论AFAP1-AS1在NSCLC肿瘤组织中表达上调,可作为判断NSCLC预后的重要指标。
简介:Objective:ToinvestigatetheexpressionofE2FandBcl-2andtheclinicopathologicalsignificanceinhepatocellularcarcinoma.Methods:TheexpressionsofE2F-3andBcl-2in74patientswithhepaticcarcinoma,paracarcinomaand15patientswithlivercirrhosisweredetectedbyS-Pimmunohistochemicalstaining.Results:TheexpressionofE2Finhepaticcarcinomawassignificantlyhigherthanthatinparacarcinomaorlivercirrhosis(P<0.005),theexpressionofBcl-2inhepaticcarcinomawassignificantlyhigherthanthatinparacarcinoma(P<0.005),inwhichBcl-2expressionwaslowerthaninlivercirrhosis(P<0.05).TheexpressionofE2F-3wasrelatedwithhistologicalgrade,tumorsize,andtheexpressionofBcl-2wasrelatedwithhistologicalgrade,tumorsizeandtumornumber.TherewascorrelationbetweentheexpressionofE2F-3andBcl-2inhepaticcarcinoma.Conclusion:E2F-3andBcl-2expressionmayplayanimportantroleindevelopment,progressionandcellapoptosisoftumor.
简介:目的回顾性分析Pauwels3型股骨颈骨折的手术疗效。方法2011年1~11月手术治疗Pauwels3型股骨颈骨折46例,采用空心螺钉(cannulatedscrews,CS)固定的35例,动力髋螺钉加空心螺钉(DHS+CS)固定8例,近端股骨锁定加压钢板(lockingcompressionplates,LCP)固定3例。根据Haidukewych标准评价复位质量,术后定期影像学检查观察骨折愈合和髋关节一般情况,分析骨折移位、断端粉碎、内固定方式与股骨颈骨不连和股骨头坏死发生的关系。结果46例中,31例有完整的随访资料。1例DHS+CS治疗的患者术后发生深部感染,经清创、抗感染治疗,术后6个月骨折畸形愈合后取出内固定。其它30例随访(20.1±5.9)个月,其中CS固定的22例,DHS+CS固定5例,LCP固定3例。29例复位质量为优良,1例一般。8例出现股骨头坏死,2例骨不连,1例同时存在股骨头坏死和骨不连,19例骨折愈合且维持了良好的髋关节形态(63.3%)。不同的骨折移位、断端粉碎程度及内固定方式与股骨头坏死、骨不连的发生率之间,差异均无统计学意义。结论股骨头坏死和骨不连是Pauwels3型股骨颈骨折术后常见的并发症,CS、DHS+CS、LCP均可作为Pauwels3型股骨颈骨折的治疗方案。骨折移位、断端粉碎和内固定方式对股骨头坏死、骨不连是否有影响,需要更大样本的病例验证。
简介:USING3PRIMERPAIRSTODETECTHBVDNAINLIVERTISSUESFROMHEPATOCELLULARCARCINOMASWITHPCR TECHNIQUEChenMing陈明;LuLing吕凌;YaoJilu姚集鲁;Peng...
简介:1临床资料患者,男,60岁,因大便带血3年于中国人民解放军第401医院就诊。就诊前近期无发热,无咳嗽咳痰,无咳血,无胸闷喘憋等呼吸系统症状。既往有2型糖尿病及高血压(2级)、冠心病、腰椎间盘突出病史,无药物、食物过敏史,无毒物、放射物接触史,无家族性遗传或肿瘤病史。入院查体:无明显阳性体征。入院后胸部正侧位片无明显异常发现,未行胸部CT检查。腹部彩超及CT提示:乙状结肠占位。结肠镜检:距肛门15~23cm处见肿物充血、水肿、糜烂,累及环周,病理提示高分化腺癌。遂完善术前准备,于2010年6月7日在全麻下行乙状结肠癌根治术。术中见腹膜反折上方10cm处一直径约6cm肿物,质韧、固定,侵及浆膜,肠腔仅容指尖通过。