Abstract：
:Intraoperative high-dose aprotinin administration has been shown to reduce the intra-and postoperative blood loss in cardiac surgery. The haemostatic effect has been attributed to platelet preserving properties and to inhibition of contact activation reducing thrombotic and fibrinolytic activity during and after cardiopulmonary bypass (CPB). Here we report on the effects of aprotinin on urokinase-type plasminogen activator, especially on the protection of the zymogen single-chain urokinase-type plasminogen activator (scu-PA). scu-PA occurs cell associated as well as free in the circulation (concentration 50 pM, half-life 5 min), and is potentially activated by kallikrein and plasmin, both potent targets for aprotinin. The generated active two-chain u-PA (tcu-PA) is a powerful activator of fibrinolysis. Sixteen male patients undergoing myocardial revascularization were randomly assigned to aprotinin treatment (A) or control group (C). Plasma concentration of total u-PA antigen and of the specific forms scu-PA(zymogen) and tcu-PA(active enzyme) were measured at different stages intraoperatively and two hours postoperatively. After an initial drop due to haemodilution at the onset of CPB, the concentrations of circulating u-PA forms restored intraoperatively in A, but remained subnormal in C until the end of the observation period. The concentration of total u-PA antigen of shed mediastinal blood was both in A and C two-fold higher than in the circulation, but the antigen was preserved as the zymogen scu-PA in A and largely converted to an inactive, non activatable form in C. Intra- and postoperative blood losses were less than half the amount in A as compared to C.(ABSTRACT TRUNCATED AT 250 WORDS)
journal_name
Thromb Haemostjournal_title
Thrombosis and haemostasisauthors
Spannagl M,Dooijewaard G,Dietrich W,Kluft Csubject
Has Abstractpub_date
1995-05-01 00:00:00pages
825-8issue
5eissn
0340-6245issn
2567-689Xjournal_volume
73pub_type
临床试验,杂志文章,随机对照试验abstract：:Atherosclerotic plaques are found at distinct locations in the arterial system, despite the exposure to systemic risk factors of the entire vascular tree. From the study of arterial bifurcation regions, emerges ample evidence that haemodynamics are involved in the local onset and progression of the atherosclerotic dis...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章,评审
doi：10.1160/TH15-07-0597
更新日期：2016-03-01 00:00:00
abstract：:Epidemiological studies suggest that hormone replacement therapy (HRT) decreases the risk of cardiovascular disease in postmenopausal women via several mechanisms, including modifications in the fibrinolytic system and lipoprotein(a) [Lp(a)] levels. The aim of this study was to examine the influence of the levels and ...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：1999-01-01 00:00:00
abstract：:Soluble intercellular adhesion molecule-1 (sICAM-1) and vascular cellular adhesion molecule-1 (sVCAM-1) were measured alongside flow-mediated vasodilation (FMD) in 34 patients with intermittent claudication and 14 control subjects. Patients with plasma sICAM-1 >253 ng/mL (median value) showed lower FMD than those with...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：2001-01-01 00:00:00
abstract：:To assess whether plasminogen activator inhibitor 1 (PAI-1) activity is elevated in the progeny of young coronary men, 193 young subjects were recruited and divided into two groups. Group A consisted of 104 children whose fathers had suffered a myocardial infarction before the age of 55 ("cases"). Eighty-nine young su...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：1996-09-01 00:00:00
abstract：:The role of platelets in regulating vascular homeostasis has expanded beyond mediation of haemostasis and thrombosis. The discovery of platelet RNA and the presence of subpopulations of platelets containing varying amounts of RNA suggest a role for platelet transcripts in vascular function. As the RNA in anucleated pl...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：10.1160/TH16-11-0873
更新日期：2017-05-03 00:00:00
abstract：:Human tissue kallikrein-related peptidases are a family of 15 secreted serine proteases, located at chromosome 19q13.4. Most of them have been reported to be potential biomarkers for several carcinomas and other diseases. Human tissue kallikrein-related peptidase 7 (KLK7) has been purified from human stratum corneum a...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：2009-04-01 00:00:00
abstract：:Elucidation of the pathophysiological basis of platelet disorders in murine models requires a reliable method for the frequent determinations of platelet counts in individual mice. Here, we present a rapid, reproducible and accurate flow cytometric method for enumeration of platelets that involves fluorescent staining...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：2001-08-01 00:00:00
abstract：:This study explores the effects on some hematological parameters of a low-dose aspirin regimen (50 mg/day) versus a conventional aspirin treatment with reported antithrombotic efficacy (324 mg/day), in patients with acute myocardial infarction. Fifteen patients were randomized into 3 equal groups receiving 50 mg or 32...
journal_title：Thrombosis and haemostasis
pub_type： 临床试验,杂志文章,随机对照试验
doi：
更新日期：1985-08-30 00:00:00
abstract：:This study aims to establish the relative effectiveness and safety of low molecular weight heparin in elderly patients with venous thrombosis in order to find an alternative to oral anticoagulant therapy with less bleeding complications in the long-term treatment of deep venous thrombosis (DVT). One hundred consecutiv...
journal_title：Thrombosis and haemostasis
pub_type： 临床试验,杂志文章,随机对照试验
doi：
更新日期：2000-10-01 00:00:00
abstract：:The platelet integrin alpha(IIb)beta(3) mediates the final step of platelet aggregation that requires pre-activation through an inside-out signal initiated by agonists. Experiments conducted under static conditions using platelet-rich plasma show that platelet activation and adhesion activity of alpha(IIb)beta(3) are ...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：2008-11-01 00:00:00
abstract：:Shear stress has an established effect on mature endothelial cells, but less is known about how shear stress regulates endothelial progenitor cells (EPCs). In vitro expanded EPCs isolated from adult human blood represent a novel tool in regenerative vessel therapy. However, in vitro culturing may generate cells with u...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：10.1160/TH09-12-0854
更新日期：2010-09-01 00:00:00
abstract：:Thromboembolic complications have been attributed to the use of radiographic contrast media (CM) during interventional procedures for arterial revascularization. However, due to the low frequency of adverse events, comparisons between different CM have been difficult to perform, although it has been suggested that ion...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：2001-03-01 00:00:00
abstract：:Fourteen patients diagnosed as having thrombotic thrombocytopenia purpura (TTP) were studied. Those who survived have been followed during a 1 to 7 year period. The clinical diagnosis was based on changing neurological findings, thrombocytopenia and evidence of microangiopathic hemolytic anemia. Laboratory tests inclu...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：1988-08-30 00:00:00
abstract：:Integrins are cell surface adhesion receptors that participate in a variety of important processes throughout the vasculature. Here we summarize some recent findings on the regulation of integrin mediated cellular adhesion. Particular emphasis is placed on the regulation of integrin affinity for ligand (activation), a...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章,评审
doi：
更新日期：2001-07-01 00:00:00
abstract：:Despite reports that Tris [tris (hydroxymethyl)aminomethane] affects platelets, it is often used to buffer suspending media. Human or rabbit platelets were washed and resuspended in Tyrode solution containing apyrase and 0.35% albumin. Addition of 15 mM Tris partially inhibited primary aggregation induced by 10 microM...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：1984-04-30 00:00:00
abstract：:Antithrombin Milano is an unusual antithrombin variant, exhibiting an abnormal, fast moving component on crossed immunoelectrophoresis (in the absence of heparin). Antithrombin isolated from the propositus could be resolved into two peaks on anion-exchange chromatography; antithrombin Milano peak 1 of Mr approximately...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：1988-12-22 00:00:00
abstract：:The transforming growth factor-beta (TGFbeta) family of growth factors are major regulators of wound repair, scar formation, and fibrosis. One of the prominent features of TGFbeta biology is the fact that this growth factor is secreted as a latent precursor, which may be directed to and stored at specific sites in the...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章,评审
doi：10.1160/TH04-05-0324
更新日期：2004-08-01 00:00:00
abstract：:Extracellular RNA (eRNA), released from cells under conditions of injury or vascular disease, acts as potent prothrombotic factor and promotes vascular hyperpermeability related to oedema formation in vivo. In this study, we aimed to investigate the mechanism by which eRNA triggers inflammatory processes, particularl...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：10.1160/TH12-03-0186
更新日期：2012-10-01 00:00:00
abstract：:Treatment of bleeding in patients with Glanzmann's thrombasthenia (GT) can be hampered by iso-antibodies against the αIIbβ3 integrin, which cause rapid clearance of transfused donor platelets. Type 1 GT patients with a total absence of αIIbβ3 from the platelet surface are known to be susceptible to form such isoantibo...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：10.1160/TH15-12-0982
更新日期：2016-08-01 00:00:00
abstract：:Platelets play an important role in diseases such as cardiovascular disease and cancer, especially through their release of extracellular vesicles (EVs) and role in thrombosis. The effects of the anti-inflammatory drug colchicine on platelets are not well understood. We investigated the effect of colchicine on the rel...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：10.1055/s-0038-1636915
更新日期：2018-04-01 00:00:00
abstract：:Accumulating evidence suggests an immune-modulatory role for platelets (PLT) and PLT-derived microvesicles. In particular, ectosomes, i.e. vesicles budding from PLT surface, have been shown to exert immunosuppressive activities on phagocytes. Here we investigated the effects mediated by PLT-derived ectosomes (PLT-Ecto...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：10.1160/TH14-03-0281
更新日期：2014-12-01 00:00:00
abstract：:Previous studies on recombinant human soluble thrombomodulin (rsTM) from Chinese hamster ovary cells revealed that rsTM was expressed as two proteins that differed functionally in vitro due to the presence (rsTM beta) or absence (rsTM alpha) of chondroitin-4-sulfate. The current study evaluates the in vivo behavior of...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：1992-03-02 00:00:00
abstract：:Studies examining the interaction of platelets with exposed subendothelium in vivo have reported conflicting results. To examine possible explanations for the apparently discrepant findings, we measured the platelet reactivity of subendothelium prepared by a number of methods both in vivo and in vitro. In addition, we...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：1987-08-04 00:00:00
abstract：:Serine proteases are proteolytic enzymes with an active serine residue in their catalytic site. Kallikreins are a subgroup of the serine protease family and are known to have diverse physiological functions. The human tissue kallikrein gene family has now been fully characterized and includes 15 members, clustered in ...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章,评审
doi：
更新日期：2003-07-01 00:00:00
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journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：1993-03-01 00:00:00
abstract：:The mechanism through which the protein kinase Akt (also called PKB), protects the heart against acute ischaemia-reperfusion injury (IRI) is not clear. Here, we investigate whether Akt mediates its cardioprotective effect by modulating mitochondrial morphology. Transfection of HL-1 cardiac cells with constitutively ac...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：10.1160/TH14-07-0592
更新日期：2015-03-01 00:00:00
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journal_title：Thrombosis and haemostasis
pub_type： 杂志文章,评审
doi：
更新日期：2001-07-01 00:00:00
abstract：:To study the reversible complex formation between the plasma protein histidine-rich glycoprotein (HRG) and plasminogen, crossed immunoelectrophoresis of HRG was modified. In the modification, purified plasminogen was introduced into the gel of the first dimension electrophoresis. Two molecular forms of plasminogen, Gl...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：
更新日期：1988-12-22 00:00:00
abstract：:Increased liver fat may be caused by insulin resistance and adipose tissue inflammation or by the common I148M variant in PNPLA3 at rs738409, which lacks both of these features. We hypothesised that obesity/insulin resistance rather than liver fat increases circulating coagulation factor activities. We measured plasma...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：10.1160/TH16-09-0716
更新日期：2017-01-26 00:00:00
abstract：:Membrane-permeable 8-(4-chlorophenylthio)-2'-O-methyl cyclic AMP (8-pCPT-2'-O-Me-cAMP) has been shown to specifically activate cAMP-regulated Epac proteins, without direct effects on protein kinase A and protein kinase G. During isometric tension measurements in thoracic aortic rings from Wistar rats, we observed that...
journal_title：Thrombosis and haemostasis
pub_type： 杂志文章
doi：10.1160/TH09-06-0341
更新日期：2010-03-01 00:00:00
