Abstract：
:We compared the effects of dipyridamole, RA-642, and mopidamol on platelet activity and thromboxane/prostacyclin balance in relation to the degree of retinal vascularization in a model of experimental streptozotocin-induced diabetes in rats. After 3 months, collagen-induced platelet aggregation in whole blood was 25% higher in diabetic animals than in nondiabetics. Dipyridamole inhibited 43% platelet aggregation, mopidamol 39%, and RA-642 36%. Platelet production of thromboxane B2 was 87% higher in untreated diabetic rats. Mopidamol and RA-642 produced a 46% and 41% inhibition of thromboxane B2. Dipyridamole did not inhibited thromboxane B2 synthesis. Aortic production of 6-keto-PGF1 alpha was 43% lower in untreated diabetic animals and showed no change after treatment with either mopidamol or RA-642. In contrast, dipyridamole caused a 90% increase in aortic production of prostacyclin. Computerized analysis of retinal vascularization showed that untreated diabetic rats had a 81% decrease in the area occupied by peroxidase-labelled vessels as compared with nondiabetics. Treatment with dipyridamole, mopidamol, and RA-642 caused 2.5-fold, 2.8-fold and four-fold increases, respectively, in the percentage of retinal surface occupied by peroxidase-labelled vessels. Differences in retinal vascularization between diabetic animals given RA-642 and nondiabetic controls were negligible.
journal_name
Thromb Resjournal_title
Thrombosis researchauthors
De La Cruz JP,Moreno A,Mérida F,García Campos J,Sánchez de la Cuesta Fdoi
10.1016/0049-3848(96)00004-7subject
Has Abstractpub_date
1996-02-01 00:00:00pages
327-37issue
3eissn
0049-3848issn
1879-2472pii
0049384896000047journal_volume
81pub_type
杂志文章abstract：:In the treatment of unstable coronary artery disease, direct thrombin inhibitors have shown no or only limited benefit as compared with heparin, despite theoretical advantages. One explanation may be that the direct thrombin inhibitors to a greater extent than heparin have an inhibiting effect on the generation and ac...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(99)00029-8
更新日期：1999-07-15 00:00:00
abstract：:The hemolytic uremic syndrome involves the presence of Shiga toxin producing strains of Escherichia coli and is associated with thrombocytopenia, platelet activation, and microthrombi formation. We have, therefore, investigated the ability of Shiga toxin isotypes 1 and 2 to cause or enhance platelet aggregation under ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(00)00191-2
更新日期：2000-06-01 00:00:00
abstract：:An in vitro model of platelet adhesion, the annular perfusion chamber, was utilized to test the effects of Interleukin 1 on vascular thrombogenicity for platelets. De-endothelialized, everted human umbilical arteries were placed in cell culture media with or without Interleukin 1. The arteries were later perfused with...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(89)90235-1
更新日期：1989-11-15 00:00:00
abstract：:It has been suggested that plasma low density lipoprotein (LDL) may affect platelet and leukocyte activity and the release of biologically active eicosanoids which may contribute to the pathogenesis of coronary heart disease. To evaluate the possible biological effects of LDL further we have studied platelet aggregati...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(93)90032-j
更新日期：1993-02-15 00:00:00
abstract：INTRODUCTION:Thrombotic storm (TS) presents as a severe, acute thrombotic phenotype, characterized by multiple clotting events and frequently affecting younger adults. Understanding the extensive hypercoagulation of an extreme phenotype as TS will also provide insight into the pathogenesis of a wider spectrum of thromb...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2017.11.016
更新日期：2018-01-01 00:00:00
abstract：INTRODUCTION:Cell surface thiol isomerase enzymes, principally protein disulphide isomerase (PDI), have emerged as important regulators of platelet function and tissue factor activation via their action on allosteric disulphide bonds. Allosteric disulphides are present in other haemostasis-related proteins, and we have...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2015.01.034
更新日期：2015-04-01 00:00:00
abstract：:Activation of the coagulation and inflammatory systems are physiologically occurring during pregnancy. However, excess activation of either system is well documented in gestational vascular diseases (GVD). GVD are placenta-mediated pregnancy complications and a major cause of feto-maternal morbidity and mortality. The...
journal_title：Thrombosis research
pub_type： 杂志文章,评审
doi：10.1016/S0049-3848(17)30063-4
更新日期：2017-03-01 00:00:00
abstract：:RS-5186, sodium 6-[2-[1-(1H)-imidazolyl]methyl-4,5-dihydrobenzo[b]thiophene]- carboxylate, inhibited platelet thromboxane A2 (TXA2) synthetase with IC50 values of 6 nM and 13 nM for human and rabbit microsomes, respectively. It had a selectivity for TXA2 synthetase 10(5)-fold greater than that for cyclooxygenase, PGI2...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(88)90116-8
更新日期：1988-09-01 00:00:00
abstract：BACKGROUND:Arterial calcification is associated with increased risk of cardiovascular events. Osteoprotegerin (OPG) is a cytokine involved in the bone metabolism and vascular calcification. Recent data support a relationship between high serum levels of OPG and increased risk for cardiovascular disease in human. The ai...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2006.12.004
更新日期：2007-01-01 00:00:00
abstract：INTRODUCTION:The safety and efficacy of low-molecular-weight heparin (LMWH) treatment in patients with cancer-associated thrombosis (CAT) beyond 6months are unknown. Our aim was to determine the safety of long-term tinzaparin use in patients with CAT. METHODS:We performed a prospective, open, single arm, multicentre s...
journal_title：Thrombosis research
pub_type： 杂志文章,多中心研究
doi：10.1016/j.thromres.2017.07.004
更新日期：2017-09-01 00:00:00
abstract：INTRODUCTION:Avoiding intracranial hemorrhage (ICH) during warfarin therapy is critical but little is known about factors that affect warfarin-related ICH outcomes. We aimed to define the impact of warfarin on ICH incidence rates and to identify baseline clinical characteristics of patients who experienced ICH and fact...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2013.10.024
更新日期：2013-01-01 00:00:00
abstract：:Platelet prothrombin converting activity was measured in a system using washed human platelets and purified coagulation factors Xa, Va and prothrombin. Exposure of platelet prothrombin converting activity evoked by collagen or the combined action of collagen and thrombin was effectively inhibited when a collagen deriv...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(85)90065-9
更新日期：1985-02-01 00:00:00
abstract：BACKGROUND:The CHADS2 and CHA2DS2-VASc scores are well-established clinical scales to estimate the risk of stroke in patients with atrial fibrillation (AF). However, the predictive power of the two scales concerning left atrial thrombus (LAT) or spontaneous echo contrast (SEC) has not been well investigated. Therefore,...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2020.07.055
更新日期：2020-11-01 00:00:00
abstract：INTRODUCTION:Different Klebsiella pneumoniae strains carry different virulence factors and antibiotic resistance and may cause thrombocytopenia. This study aimed to investigate the effects of different infections caused by K. pneumoniae on platelets. METHODS:Two hypermucoviscous K. pneumoniae strains and two classic s...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2018.09.053
更新日期：2018-11-01 00:00:00
abstract：:[3H]-Platelet activating factor (Paf-acether, 1-O-octadecyl-2-acetyl-sn-glycero-3-phosphocholine) binds to washed human platelets in a specific, dose-dependent, and saturable manner. Scatchard analysis reveals a high affinity site with a KD value of 0.25 +/- 0.033 nM (245 +/- 30 sites per platelet), and a second low a...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(86)90233-1
更新日期：1986-01-15 00:00:00
abstract：:The extrinsic fibrinolytic system was assessed among 124 consecutive survivors of acute myocardial infarction below 70 years of age. In samples drawn 3 months after discharge from hospital, the PAI-1 levels were higher and the tPA activities were lower than among elderly healthy controls. In contrast, the AMI survivor...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(87)90428-2
更新日期：1987-12-15 00:00:00
abstract：:Resistance to Activated Protein C (APC) was evaluated using 3 different methods: two of them were based on the prolongation of the Activated Partial Thromboplastin Time (APTT) using 2 different APTT reagents in the presence of APC, whereas the third method was based on the prolongation of prothrombin time when APC is ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(94)90206-2
更新日期：1994-10-01 00:00:00
abstract：BACKGROUND:Factor XIII (FXIII), a plasma pro-transglutaminase, consists of two A subunits and two B subunits (FXIIIA2B2). Following activation by thrombin, it cross-links fibrin chains at the final step of coagulation. We previously reported that FXIII subunit A (FXIIIA) serves as a protein disulfide isomerase (PDI), a...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2012.12.003
更新日期：2013-04-01 00:00:00
abstract：:Effects of vascular constriction on thrombotic occlusion was evaluated using rat mesenteric arteries and video-recording system attached to the microscope. Topical application of norepinephrine of 1, 10 and 100 micrograms/ml reduced the arterial diameter dose dependently from 297 +/- 41 mu to 166 +/- 50, 87 +/- 18 and...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(86)90178-7
更新日期：1986-10-01 00:00:00
abstract：:We studied the stability of three markers of coagulation (prothrombin fragment 1 + 2 (F1 + 2), thrombin-antithrombin III complexes (TAT), and soluble fibrin (SF)) in stored frozen plasma, in addition to one marker of fibrinolysis (total fibrinogen degradation products and fibrin degradation products (TDP)). All marker...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(95)00242-1
更新日期：1996-01-15 00:00:00
abstract：:Stimulation of rat platelets with U46619 induced Ca2+ mobilization and platelet shape change, but aggregation and secretion were induced when platelets were stimulated with U46619 plus phorbol 12-myristate 13-acetate (PMA). However, stimulation of rabbit platelets with U46619 induced all the three platelet responses. ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(89)90171-0
更新日期：1989-10-15 00:00:00
abstract：:Polymorphonuclear leukocytes (PMNL) are components of the blood which as such interact extensively with other blood cells, with endothelial cells or with plasma. Here, we consider the interaction between PMNL and platelets which is efficient during adhesion of platelets to PMNL and which can be studied in vitro using ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(10)80005-2
更新日期：1994-01-01 00:00:00
abstract：INTRODUCTION:In reconstructive head and neck cancer surgery, tissue flaps are transferred to the surgical defect and revascularized by anastomosis of small vessels. Cancer patients are in a hypercoagulable state with high risk of peri- and postoperative thrombotic events. Thrombosis to the tissue flap anastomoses or mi...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/S0049-3848(16)30195-5
更新日期：2016-04-01 00:00:00
abstract：:Three commercial thrombin preparations used clinically to stop topical bleeding were studied. The specific activities of these preparations were 1,064 U/mg (human); 59 U/mg (bovine) and 147 U/mg (bovine). SDS-PAGE analysis of the human product produced one major band corresponding to a molecular weight of alpha-thromb...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(89)90102-3
更新日期：1989-02-01 00:00:00
abstract：INTRODUCTION:Pathogenesis of idiopathic pulmonary arterial hypertension (iPAH) includes endothelial dysfunction and in situ thrombosis. A hypercoagulable state has also been postulated but never demonstrated. Our objective was to determine whether patients with iPAH had a hypercoagulable state using calibrated automate...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2010.08.020
更新日期：2010-12-01 00:00:00
abstract：INTRODUCTION:Pelvic deep vein thrombosis (DVT) is difficult to diagnose during pregnancy. In a two-center trial, we evaluated the agreement between ultrasonography and magnetic resonance imaging (MRI) in diagnosing the extent of DVT into the pelvic veins during pregnancy. MATERIALS AND METHODS:Pregnant women with prox...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2010.05.011
更新日期：2010-08-01 00:00:00
abstract：IMPORTANCE:Unprovoked venous thromboembolism (VTE) can be the first manifestation of cancer. It is unclear if extensive screening for occult cancer including a comprehensive computed tomography (CT) scan of the abdomen/pelvis is cost-effective in this patient population. OBJECTIVE:To assess the health care related cos...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2017.01.007
更新日期：2017-03-01 00:00:00
abstract：INTRODUCTION:We conducted this prospective study in order to investigate the hypotheses that an alternative pathway for fibrinolysis is activated in patients who have undergone cardiopulmonary bypass (CPB) surgery and major abdominal surgery and that the levels of fibrin degradation products digested by polymorphonucle...
journal_title：Thrombosis research
pub_type： 临床试验,杂志文章
doi：10.1016/j.thromres.2006.07.009
更新日期：2007-01-01 00:00:00
abstract：:Mild hyperhomocysteinemia is recognized as a risk factor for venous thromboembolism (VTE), though its role in the thrombogenic processes is not understood. Its possible association with impaired fibrinolysis was investigated in 157 patients (61 women, 96 men) below the age of 60 years (43+/-11, mean+/-SD) with a histo...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(00)00324-8
更新日期：2000-11-15 00:00:00
abstract：:Hemostasis, the system of generation and degradation of thrombi, consists of coagulation and fibrinolysis. Whereas global assays to study coagulation have existed for many years, there has been no simple, rapid, and economic routine test for the plasmatic fibrinolysis parameters plasminogen activator inhibitor-1, alph...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(99)00165-6
更新日期：2000-02-15 00:00:00
