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抗体依赖的病毒感染增强作用
...生明显影响,这种现象称为抗依赖的病毒感染增强作用(ADE)。 1.ADE的类型 ADE有两种形式,一种是由FcR介导的ADE(FcR-ADE),涉及到病毒、抗体和细胞表面的FcR。这种形式对于HIV来说又可分为两种,一种是FcR介导的CD4依赖...
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InVivoActionsofAngiopoietinsonQuiescentandRemodelingBloodandLymphaticVesselsinMouseAirwaysandSkin
...lativelylong-termandsustainedcirculatingexpressionofeachangiopoietinusinganadenoviraldeliverysystem.Twoweeksaftertreatment,weobservedtrachealbloodandlymphaticvascularenlargement,andlymphaticfilopodiaformation,withAng2.Co-treatmentwithAng2attenuatedAng1-inducedtrachealbloodandlymphaticremodeling.Inth...
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全球致死性药物不良事件八年内增长近3倍
...1998~2005年收集的药物不良事件报告显示——8年,致死性ADE增长近3倍 近年来,世界各国的药物不良事件(ADE)呈逐渐增加的态势,由ADE引发的致死事件大有愈演愈烈之势。近日,美国医疗安全协会(InstituteforSafeMedicationPractice...
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Isoform-DependentCholesterolEffluxFromMacrophagesbyApolipoproteinEIsModulatedbyCellSurfaceProteoglycans
...oform-specificdifferenceinitsfunctionforcholesteroleffluxfromcholesterol-loadedRAW264.7cells,amurinemacrophagecelllinethatlacksendogenousapoEexpression.MethodsandResults—WhenhumanapoEwasexpressedinRAW264.7cells,apoE2reducedcellulartotalcholesterol(TC)andesterifiedcholesterol(EC)levelssignificantly...
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AdenovirusVectorE4GeneRegulatesConnexin40and43ExpressioninEndothelialCellsviaPKAandPI3KSignalPathways
...seases.Infectionofendothelialcells(ECs)withfirst-generationE1/E3-deletedE4+adenovirus(AdE4+)selectivelymodulatesthesurvivalandangiogenicpotentialofECsbyasofyetunrecognizedmechanisms.WeshowherethatAdE4+vectorspotentiateCxexpressioninECsinvitroandinmousehearttissue.InfectionofECswithAdE4+,butnotAdE4eC...
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药物不良反应监测研究--回顾与展望
...计学家DavidFinney于1965年首先提出,强调对药物不良事件(ADE)而非ADR的报道,“处方事件监测”中的“事件”完全改变了最初的概念,即凡确认为ADR的症状以及怀疑为ADR的症状或因发现症状而到医院就诊等都包含在“事件”之列,...
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FXR1P与Btf相互作用的鉴定
...司。 1.1.2主要试剂酵母SD培养基,SD/-His/-Leu/-Trp,SD/-Ade/-His/-Leu/-Trp培养基,X-β-半乳糖苷(X-gal)等购自Clontech公司;醋酸锂购自Sigma公司;其他试剂均国内购买。 1.2方法 1.2.1蓝色克隆文库质粒的分离通过文库筛选我们...
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癫痫药物治疗进展
...和血浆蛋白结合,唑尼沙胺、拉莫三嗪、奥卡西平等新型ADE与血浆蛋白结合率均低于传统ADE。(3)单药使用半衰期长,多数仅日需1~2次口服,只有加巴喷丁半衰期短,需多次给药。(4)在体内不会代谢,从肾排泄,为线性药...
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乙型肝炎病毒抗原与金属硫蛋白相互作用的研究
...酵母Y187进行配合、双杂交,在营养缺陷培养基(SD/Trp-Leu-His-Ade)上及X-αgal蓝白斑双重筛选与肝细胞蛋白结合的蛋白编码基因,进一步用网织红细胞裂解物体外翻译、蛋白间免疫共沉淀实验证实其相互作用的可靠性。该研究成功地筛选...
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SciTranslMed:杀死登革病毒的人源抗体
...体。此外,E蛋白还可能引起抗体依赖的增强感染作用(ADE)。C蛋白可能在蛋白质和RNA的相互作用中发挥作用。M蛋白与病毒感染能力的强弱有关。登革病毒可分为4个血清型,与其他B组虫媒病毒如乙型脑炎病毒可交叉免疫反应。...
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Pneumoniabeforeantibiotics
...,USA.0-8018-8327-X(hardcover).UniversityofPennsylvaniaSchoolofMedicine,Philadelphia,Pennsylvania,USA.E-mail:ar127@columbia.edu(A.J.Ratner);weiser@mail.med.upenn.edu(J.N.Weiser)Streptococcuspneumoniae(thepneumococcus)wasfirstisolatedbyPasteurandSternbergin1880andshortlythereafterwasrecognizedasthemos...
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美国研究生物质糖类先进生物化学转化为可再生燃料和化学品方法
...dbiofuelsthatwillbeabletoreplacegasolineordieselwithoutrequiringspecialupgradesorchangestothevehicleorfuelinginfrastructure.ThisannouncementispartoftheObamaAdministration‘scontinuingcommitmenttoacceleratingRDtodevelopamoresustainabletransportationsystem,lowerourdependenceonforeignoil,andgrowAmeric...
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AdenosineinhibitsENaCviacytochromeP-450epoxygenase-dependentmetabolitesofarachidonicacid
【摘要】Weusedthepatch-clamptechniquetoexaminetheeffectofadenosineonepithelialsodiumchannel(ENaC)activityinratcorticalcollectingduct(CCD).ApplicationofadenosineinhibitsENaCactivity,andtheeffectofadenosinewasmimickedbycyclohexyladenosine(CHA),anA1adenosine-receptoragonistthatreducedchannelactivit...
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关于启用药品生产许可证登记表和医疗机构制剂许可证登记表填报软件的通知
...ads/details.aspx?displaylang=zh-cnfamilyid=9ad000f2-cae7-493d-b0f3-ae36c570ade8作者:食药监安函[2005]61号
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乙型肝炎病毒受体介导侵入细胞机制的研究现状
...表面也有分布,可能对病毒侵入肝细胞也有意义。 2.3ADE作用(抗体依赖的感染增强作用)简而言之病毒的ADE作用就是病毒颗粒与抗体或补体结合形成复合物后反而利用了细胞膜上的抗体Fc段受体或补体受体附着于细胞膜上,...
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FDA授予罗氏单抗药物GA101治疗CLL优先审查资格
...mia(CLL)AnnouncementfollowsFDABreakthroughTherapyDesignationforGA101inCLLFDAdecisionontheGA101BiologicsLicenseApplication(BLA)isexpectedbytheendof2013Roche(SIX:RO,ROG;OTCQX:RHHBY):RochetodayannouncedthattheU.S.FoodandDrugAdministration(FDA)hasacceptedthecompany‘sBiologicsLicenseApplication(BLA)for...
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DengueandDengueVaccines
...hereisnear-universalagreementamongpolicymakersinSoutheastAsiancountriesthatadenguevaccineisurgentlyneeded[4].ThissenseofurgencyissharedbytheUSmilitaryandtheWorldHealthOrganization[5].Akeyfactdrivingdenguevaccinedevelopmentisthataprimaryinfectionwith1serotypemayinducelong-termprotectiveimmunitytorein...
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酵母双杂交体系的新发展
...报告基因。如PJ69-4A[14]具有三个报告基因:GAL1-HIS3、GAL2-ADE2和GAL7-LacZ,GAL1、GAL2、GAL7都有可被Ga14BD识别的特异序列,且特此之间各不相同,使三种报告基因能同时产生假阳性反应的机率明显下降。其中GAL2-ADE2,经对照实验检测为...
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拜耳亚洲药物警戒:跨国安全报告需求缺失
...协作将会得到增强。 问:亚洲药品不良反应/事件(ADR/ADE)报告的安全数据库的要求和电子投递是多种多样的。制药公司和监督管理部门建立一个可为亚洲患者服务的综合药物警戒系统需采取哪些措施? JDelumeau:日本具有...
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浅议如何预防中药注射剂引起的药品不良反应
...不适,及时告诉陪护者或医务人员,采取抢救措施,避免ADE(药品不良事件)事件发生。中药过敏史者,最好慎用,避免再次损害。 临床使用过程中,注意以上几个原则,就能预防ADR事件对我们的伤害!倡导合理用药,警惕&ldquo...
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心肌缺血预适应在急性心肌梗死中的作用
...。参考文献1MurryCE,JenningRB,ReimerKA.Preconditioningwithischemia:adeˉlayofiethalcellinjuryinischemicmyocardium.Circulation,1986,74(2):1124.2Braunwald.陈灏珠主译.心脏病学.第五版.北京:人民卫生出版社,1999,1100.作者单位:300202天津河西医院作者:周...
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OutcomeandSevereHemorrhagicComplicationsofIntravenousThrombolysisWithTissuePlasminogenActivatorinVeryOld(80Years)StrokePatients
...variablesandcounts(percentage)forcategoricalvariables.GroupcomparisonsweremadeusingtheMann–WhitneyUtestforcontinuousvariablesandFisherexacttestforcategoricalvariables;forcorrelations,Spearmanrankcorrelationswereused.Toidentifyindependentpredictorsoffavorableoutcomeanddeath,logisticregressionanalys...
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Long-TermandSustainedCOMP-Ang1InducesLong-LastingVascularEnlargementandEnhancedBloodFlow
...chanismoflong-lastingvascularenlargement.WefoundthatCOMP-Ang1administeredbyadenoviralvectorinducedlong-lastingvascularenlargementandincreasedtrachealbloodflow.Incontrast,short-termadministrationofCOMP-Ang1recombinantproteininducedtransientvascularenlargementthatspontaneouslyreversedwithinamonth.Inbo...
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登革热及登革出血热
...制。称抗体信赖性感染增强现象(Antibody-dependentenhancement,ADE),导致登革出血热发生。有人发现Ⅱ型登革病毒株有多个与抗体依赖性感染增强现象有关的抗源决定簇,而其他型病毒株则无这种增强性抗原决定簇,故Ⅱ型登革病毒...
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S-Adenosylmethionine:molecular,biological,andclinicalaspectsanintroduction
...armacy,UniversityofSouthernCalifornia,LosAngeles.2PresentedatthesymposiumS-Adenosylmethionine(SAMe):fromMolecularMechanismtoClinicalImplications,heldinSantaBarbara,CA,March710,2001.3AddressreprintrequeststoCSLieber,BronxVAMedicalCenter(151-2),130WestKingsbridgeRoad,Bronx,NY10468.E-mail:lieberc...
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Leopardspotretinalpigmentationininfancyindicatingaperoxisomaldisorder
...esinneonataladrenoleucodystrophyhadonlybeenpublishedin1978).Noreferencewasmadetotheperoxisomes(peroxisomalabnormalitieswerefirstidentifiedinneonataladrenoleucodystrophyin1982).Thepatientdiedwithoutadefinitediagnosisat5yearsofagebutnecropsyrevealedanenlargedcirrhoticliver,adrenalcorticalatrophy,andwh...
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钯(Ⅱ)配合物抗癌活性研究进展
...四核环状生物结构模式。最近,笔者以Pd(phen)Cl2和腺嘌呤(ade)反应,获得生物配合物单晶,晶体分子结构显示,ade以N3、N9与Pd(Ⅱ)离子桥联配位,形成双核配合物[43]。这些工作对深入理解钯(Ⅱ)配合物与DNA的作用机制提供了有...
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压缩空气致大肠损伤
...reatmentofonepatientwithCICAwasreported,whilealiteraturesreviewofCICAwasmade.ResultsThepatientwashealedbyoperation.ConclusionThehistoryisimportanttothediagnosisofCICA.Thekeyofsavinglifeisthedecompressionperitoneocentesisintime.Thelocaltreatmentofcolorectalinjurydependsonroutineofcolorectalinjurytr...
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奎的平治疗成人与儿童精神分裂症的疗效比较
...auscherJ,etal.Quetiapine:aneffectiveantipsychoticinfirstepisodeschizophreniadespiteonlytransientlyhighdopamine2receptorblockade.JClinPsychiatry,2002,63(10):992.3姚辉,侯刚,王筱兰,等.奎的平治疗精神分裂症临床观察.临床精神医学杂志,2003,13(4):221.4高诚忠,高至胜...
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NHE8mediatesamiloride-sensitiveNa+/H+exchangeacrossmosquitoMalpighiantubulesandcatalyzesNa+andK+transportinreconstitutedproteoliposomes
...iletheinsectisstillbloodfeeding(4)butneithertheprocessnoritsregulationisyetadequatelyunderstoodatthemolecularlevel.Ithasbeenpostulatedthatthefeedingactivatesasyetunidentifiedmechanoreceptor(s)inthegut,whichinturnpromptthereleaseofneurosecretoryfactorsfromthebrainthatactivatesignalingpathwaysthatregu...