简介:易损斑块的破裂是急性心血管事件发生的罪魁祸首,CD40-CD40L系统作为免疫和炎症反应的枢纽,其贯穿急性冠脉综合症(ACS)发生发展至斑块破裂及血栓形成的全过程,阻断其信号传导途径可起到一定的预防效果,提示在临床上可作为一种新的治疗途径。
简介:Objective:Thisstudyaimstoinvestigatetheclinicopathologicsignificanceoflymphaticvesselinvasion(LVI)labeledbyD2-40monoclonalantibodyinesophagealsquamouscellcarcinoma(ESCC).Methods:ImmunohistochemicalassaywasusedtodetecttheexpressionofD2-40andLVIin107ESCCpatients.Then,thecorrelationbetweentheclinicopathologicfeatureandtheoverallsurvivaltimeofthepatientswasanalyzed.Results:Thelymphnodemetastasisrateswere70%and21%intheLVI-positiveandLVI-negativegroups,respectively.ThenodalmetastasisratewashigherintheLVI-positivegroupthanintheLVI-negativegroup.MultivariateregressionanalysisshowedthatLVIwasrelatedtonodalmetastasis(P<0.001).Themediansurvivaltimeofthepatientswas26and43monthsintheLVI-positiveandLVI-negativegroups,respectively.Althoughunivariateregressionanalysisshowedsignificantdifferencebetweenthetwogroups(P=0.014),multivariateregressionanalysisrevealedthatLVIwasnotanindependentprognosticfactorforoverallsurvivalintheESCCpatients(P=0.062).Lymphaticnodemetastasis(P=0.031),clinicalstage(P=0.019),andresidualtumor(P=0.026)weretheindependentprognosticfactors.Conclusion:LVIlabeledbyD2-40monoclonalantibodyisariskfactorpredictiveoflymphnodemetastasisinESCCpatients.
简介:利用水热技术合成了一个以Keggin型多金属氧酸盐和柔性有机配体为建筑块的三维超分子化合物[H2bbi]3[α-PMo12O40]2(1)(bbi=1,4-双-(咪唑-1-基)丁烷),用X-射线单晶衍射、元素分析、红外光谱和X-射线粉末衍射对晶体结构进行了表征.X-射线单晶衍射显示,该晶体属于三斜晶系,P-1空间群,a=1.18360(9)nm,b=1.20932(10)nm,c=1.77728(15)nm,α=74.0890(10)°,β=70.9490(10)°,γ=71.8160(10)°,V=2.2421(3)nm3,Z=2,Dc=3.109g/cm3,F(000)=2300,μ=3.39mm-1,S=1.047,R1=0.0350,wR2=0.0776[I〉2σ(I)].