【摘 要】
:
Background: It is widely accepted that immune complex-mediated classical complement pathwayactivation represents an important mechanism of platelet destruction in immunethrombocytopaenia (ITP) (Peersc
【机 构】
:
Peking University People's Hospital, Peking University Institute of Hematology 100044
【出 处】
:
中华医学会第15次全国血栓与止血学术会议
论文部分内容阅读
Background: It is widely accepted that immune complex-mediated classical complement pathwayactivation represents an important mechanism of platelet destruction in immunethrombocytopaenia (ITP) (Peerschkeat al.Br J Haematol.2010).However, not allpatients diagnosed with ITP have detectable antibodies, suggesting a potentialmechanism of complement activation in the plasma of ITPpatients.
其他文献
目的:探讨1个凝血因子Ⅹ (FⅩ)缺陷症家系的分子发病机制.方法:对先证者及其家系成员进行凝血功能筛查以及凝血因子活性及抗原含量检测进行表型诊断.PCR方法扩增F10基因的所有外显子及外显子/内含子交界区,产物切胶纯化后直接测序进行基因诊断.构建F10基因野生型及突变型表达质粒,瞬时转染HEK293细胞,测定表达产物中的FⅩ促凝活性(FⅩ∶C)及抗原含量(FⅩ∶ Ag);实时荧光RT-PCR检测转
目的:蛋白二硫键异构酶(Protein Disulfide Isomerase,PDI)通过催化底物蛋白的二硫键调控其结构和功能.近期有研究发现PDI在动脉血栓形成中发挥重要作用,然而其具体机制尚不清楚.在本研究中,我们应用重组PDI蛋白,PDI抑制剂和PDI基因敲除小鼠,通过凝血酶生成实验(Thrombin Generation Asaay,TGA)和激光诱导小鼠提睾肌动脉血栓模型,探讨PDI对
背景:凝血因子Ⅻ(FⅫ)是凝血反应中第一个启动的凝血因子,活化的FⅫ(FⅫa)在参与纤维蛋白溶解系统、激肽释放酶-激肽系统和补体系统中起重要作用.目的:遗传性FⅫ缺陷症是一种罕见的常染色体隐性遗传性疾病,本研究对近年来本单位诊断的8例遗传性FⅫ缺陷症患者的F12基因缺陷进行检测和分析,并通过体外凝血酶生成试验(TGT试验)评价F12基因缺陷导致的相应功能缺陷.
目的:对1个遗传性低纤维蛋白原血症的家系进行了表型诊断和基因分析,以探究该病的发病机制.方法:检测该家系所有成员外周血活化部分凝血活酶时间(APTT)、凝血酶原时间(PT)、凝血酶时间(TT)、纤维蛋白原(Fg)活性用Clauss法测定,同时抽提所有成员外周血白细胞DNA,PCR扩增Fg3个基因FGA、FGB和FGG所有外显子及其侧翼序列,DNA测序并进行基因分析.结果:家族成员中先证者、先证者父
目的:对1例遗传性凝血因子Ⅴ缺乏症家系进行表型与基因分析,探讨其分子发病机制.方法:对先证者及其家系成员进行凝血功能、FV活性测定进行表型诊断;用PCR法对家系成员的FV基因的25个外显子及外显子、内含子的交界区序列进行酶联反应扩增,PCR产物纯化后直接测序,与标准序列比对检测其基因突变.
目的:血栓性疾病严重威胁着人类健康,近年来其遗传学病因越来越多的被报道.研究发现抑制APOC3的表达能显著降低血浆内载脂蛋白C3和甘油三酯的水平.在欧洲和非洲人群中,发现APOC3的一些突变(R19X,A43T,IVS2+1G →A,IVS3+1G→T)能降低血栓性疾病的风险.本实验目的在于研究APOC3与血栓性疾病在中国人群中的关联性.方法:本研究共对4470例中国人进行相关位点研究,包含148
Background: Thrombocytopaenia is a frequent complication of liver cirrhosis, andITP is closely related with H.pylori.Several studies illuminate the associations betweenH, pylori and viral hepatitis,bu
Hereditary hemorrhagic telangiectasia (HHT) is an autosomal-dominantly inherited vascular-malformation syndrome associated with gene mutations including ENG, ACVRL1 and SMAD4 gene.Clinically indisting
We have previously reported that human umbilical cord blood-derivedstromal cells (hUCBDSCs) are able to enhance the expansion of CFU-Meg in vitro, particularly promote the megakaryocytic lineage recov
Background: Chronic lymphocytic leukaemia (CLL) is generallytreated by chemoimmunotherapy, and there isan unmet medical need for noveltargeted therapies or combination therapies.Ibrutinib is an effici