Tityus discrepans scorpion venom activates platelets through GPVI and a novel Src-dependent signaling pathway.

abstract：:R-lipoic acid (ALA), a powerful antioxidant valuable for the treatment of diabetes and its complications, has been reported to exhibit an antiplatelet activity in vitro. The aim of this study was to investigate the effect and mechanism of ALA on platelets in vivo. Sprague-Dawley (SD) male rats were intravenously admin...

journal_title：Platelets

authors： Liu J,Song Q,Huang Y,Sun W,Lu D,Zhou B

更新日期：2018-11-01 00:00:00

abstract：:Metabolic syndrome (MS) is becoming globally prevalent and it is clinically important because of its association with type 2 diabetes and cardiovascular disease, and some cancers. Recently, platelet count has been linked to insulin resistance and MS in addition to being a marker of hemostasis. Also, mean platelet volu...

journal_title：Platelets

authors： Park BJ,Shim JY,Lee HR,Jung DH,Lee JH,Lee YJ

更新日期：2012-01-01 00:00:00

abstract：:We prospectively investigated the prevalence of Helicobacter pylori (H. pylori) infection in a cohort of 54 adult Serbian patients with chronic idiopathic thrombocytopenic purpura (ITP), and examined the effects of its eradication on their platelet counts. H. pylori infection was diagnosed in 39/54 (72.2%) patients, u...

journal_title：Platelets

authors： Suvajdzić N,Stanković B,Artiko V,Cvejić T,Bulat V,Bakrac M,Colović M,Obradović V,Atkinson HD

更新日期：2006-06-01 00:00:00

abstract：:Two putative substitutes for fresh endothelial cell (EC) extracellular matrix (ECM), frozen ECM and Matrigel, were studied using a parallel-plate perfusion system and platelet deposition was evaluated morphometrically. Coverslips covered with ECM were stored frozen at-30 C for 0 (fresh ECM), 1, 2, 3 or 4 weeks. The ab...

journal_title：Platelets

authors： Bozzo J,Gómez-Ortiz G,Hernández MR,Garrido M,Ordinas A,Escolar G,Díaz-Ricart M

更新日期：1998-01-01 00:00:00

abstract：:We report a case of total hyperpigmentation of the skin, severe itching, muscle weakness and thrombocytosis. Laboratory investigation showed white blood cell (WBC) 8.2 x 10(6)/L, Hb 125 g/L, platelets 1221 x 10(6)/L and urinary lead after DMSA mobilization test 2684 mcg/g creatinine (normal <5). Chelation therapy with...

journal_title：Platelets

authors： Al Momen A

更新日期：2010-01-01 00:00:00

abstract：:It has recently been demonstrated that both initiators and inhibitors (viz iloprost) of aggregation stimulate the uptake of [(45)Ca(2+)] by human platelets. Since it was postulated that this calcium uptake reflects changes associated with signal transduction, we investigated the role of cAMP-dependent protein kinases ...

journal_title：Platelets

authors： Gill J,Jeremy JY,Mikhailidis DP

更新日期：1993-01-01 00:00:00

abstract：:The tetraspanins are a superfamily of membrane glycoproteins which facilitate the interaction of membrane and intracellular signalling molecules (e.g., integrins, pro-growth factors and their receptors, protein kinase-C) in the formation of membrane signalling microdomains (sometimes referred to as the tetraspanin web...

journal_title：Platelets

authors： Moseley GW

更新日期：2005-02-01 00:00:00

abstract：:Impaired glucose tolerance (IGT), a prediabetic state, is associated with an increased risk of cardiovascular disease. Mean platelet volume (MPV), a determinant of platelet activation, is a newly emerging risk factor for atherothrombosis. This study was designed to answer the following questions: (i) Do MPV levels cha...

journal_title：Platelets

authors： Coban E,Kucuktag S,Basyigit S

更新日期：2007-12-01 00:00:00

abstract：:In recent years, there has been exponential growth in the interest in microvesicles, which is reflected by the number of publications. Initially referred to as "platelet dust" by Peter Wolf in 1967, platelet microvesicles (PMV) are now recognized as important mediators of intercellular communication. There are example...

journal_title：Platelets

authors： Edelstein LC

更新日期：2017-05-01 00:00:00

abstract：:The inhibitory effects of a cyclooxygenase inhibitor, indomethacin, and a thromboxane (TX) A(2) receptor antagonist, S-145, on thrombin-stimulated rabbit platelet responses were examined for their contribution to the TXA-mediated amplification mechanism. Although thrombin (0.01-0.3 U/ml) induced the dosedependent aggr...

journal_title：Platelets

authors： Kawamura M,Huang A,Harada Y,Katori M

更新日期：1994-01-01 00:00:00

abstract：:Selective activation of the platelet TXA2 receptor is sufficient to mediate concurrent aggregation, deaggregation and shape change (SC) responses without activation of known Gi-coupled receptors (Platelets 2003; 14: 89). However, Gi-coupled receptor activation strongly influences the hemostasis response in vivo. This ...

journal_title：Platelets

authors： Maayani S,Schwarz TE,Patel ND,Craddock-Royal BD,Tagliente TM

更新日期：2003-09-01 00:00:00

abstract：:The aim of this study was to determine whether autologous fresh platelet concentrate (PC) significantly improves haemostasis in cardiac reoperations compared with autologous fresh whole blood (WB). Forty-eight patients who had elective cardiac reoperations with a low-dose aprotinin priming regimen were divided into tw...

journal_title：Platelets

authors： Miyashita T,Kuro M

更新日期：2001-06-01 00:00:00

abstract：:Morning increase in the occurrence of myocardial infarction, stroke and sudden cardiac death is a well-recognized phenomenon, which is in line with a morning enhancement of platelet aggregation. We investigated whether platelet inhibition during clopidogrel and aspirin therapy varies during the day. Fifty-nine consecu...

journal_title：Platelets

authors： Kozinski M,Bielis L,Wisniewska-Szmyt J,Boinska J,Stolarek W,Marciniak A,Kubica A,Grabczewska Z,Navarese EP,Andreotti F,Siller-Matula JM,Rosc D,Kubica J

更新日期：2011-01-01 00:00:00

abstract：:A hypercoagulable state has, in observational studies, been associated with increased risk of thromboembolic events. The aim of this trial was to study whether dual antiplatelet therapy (DAPT) with clopidogrel in addition to aspirin could reduce the rate of graft occlusions, thromboembolic events, and death compared t...

journal_title：Platelets

authors： Rafiq S,Johansson PI,Kofoed KF,Lund JT,Olsen PS,Bentsen S,Steinbrüchel DA

更新日期：2017-12-01 00:00:00

abstract：:Platelet activation is an important process in the pathogenesis of atherothrombosis. However, the serial changes of platelet activation in atherosclerotic ischemic stroke have not been determined. In this study, we measured serially platelet expression of CD63 and P-selectin and platelet aggregability to ADP and colla...

journal_title：Platelets

authors： Cha JK,Jo WS,Shin HC,Bae HR,Ho JM,Kim JW

更新日期：2004-02-01 00:00:00

abstract：:Recent studies have indicated that medical options without splenectomy, such as rituximab (RTX) or thrombopoietin receptor agonists (TPO-RAs), can be effective to treat persistent or chronic primary immune thrombocytopenia (ITP). However, it remains to be determined which of these strategies should be the first choice...

journal_title：Platelets

authors： Arai Y,Matsui H,Jo T,Kondo T,Takaori-Kondo A

更新日期：2019-01-01 00:00:00

abstract：:Adenosine diphosphate (ADP) is recognized as an important mediator of platelet aggregation. Transient aggregation at low (< or =1 microM), and sustained aggregation at higher ADP concentrations are consistently observed. Dissociation of platelet aggregates has been described and may explain the reversible component of...

journal_title：Platelets

authors： Maayani S,Tagliente TM,Schwarz T,Craddock-Royal B,Alcala C,Marrero G,Martinez R

更新日期：2001-08-01 00:00:00

abstract：:The aim of this study was to determine the contribution of increased PGD(2) formation to the anti-aggregatory action of a thromboxane A(2) (TXA(2)) synthase inhibitor and TP receptor antagonist (ZD1542) against collagen-induced human platelet aggregation in citrated whole blood using the prostaglandin (PG) DP receptor...

journal_title：Platelets

authors： Menys VC

更新日期：1994-01-01 00:00:00

abstract：:High on-treatment platelet reactivity (HTPR) is associated with poor prognosis in patients undergoing percutaneous coronary intervention (PCI). The antiplatelet effect and safety of prasugrel was compared to that of double-dose clopidogrel in patients with stable coronary artery disease or acute coronary syndrome (ACS...

journal_title：Platelets

authors： Dridi NP,Johansson PI,Clemmensen P,Stissing T,Radu MD,Qayyum A,Pedersen F,Helqvist S,Saunamäki K,Kelbæk H,Jørgensen E,Engstrøm T,Holmvang L

更新日期：2014-01-01 00:00:00

abstract：:Statins reduce coronary heart disease risk by altering blood lipids and other mechanisms. One of the possible other mechanisms is through an effect on thrombosis. We assessed the effect of simvastatin 80 mg daily versus placebo given in a single blind crossover fashion on platelet size in response to standard ex vivo ...

journal_title：Platelets

authors： Isley WL,Park Y,Harris WS

更新日期：2006-08-01 00:00:00

abstract：:Severe thrombocytopenia is common in dengue virus (DENV) infections. However, studies focusing on the role of profound thrombocytopenia (PT) (nadir platelet counts ≤ 20 000/mm3) in DENV infections are scarce. This study aims to identify the associated features and outcome of DENV patients with PT. It involves 237 adul...

journal_title：Platelets

authors： Dhanoa A,Rajasekaram G,Hassan SS,Ramadas A,Azreen Adnan NA,Lau CF,Chan TS,Ngim CF

更新日期：2017-11-01 00:00:00

abstract：:In patients with acute coronary syndrome (ACS), treatment using ticagrelor demonstrated significant ischemic benefits over clopidogrel; however, it was associated with increased bleeding complications leading to frequent de-escalation to clopidogrel. The objective of the present study was to investigate the efficacy a...

journal_title：Platelets

authors： Wang C,Zheng W,Shaqdan A,Wang C,Qin X,Zhao X,Wang X,Yuan L,Nie S,Liu R

更新日期：2020-01-01 00:00:00

abstract：:Dual antiplatelet therapy (DAPT) with aspirin and a P2Y12 inhibitor is a mainstay of the prevention of stent thrombosis following percutaneous coronary intervention (PCI). In the 2015 European guidelines for the management of acute coronary syndrome (ACS), prasugrel (PRA) and ticagrelor (TICA) combined with aspirin ar...

journal_title：Platelets

authors： Selhorst G,Schmidtler F,Ott A,Hitzke E,Tomelden J,Antoni D,Hoffmann E,Rieber J

更新日期：2019-01-01 00:00:00

abstract：:The aim of the present study was to set up and evaluate a novel method for studies of platelet adhesion and activation in blood and platelet suspensions such as platelet concentrate (PC) samples using protein-coated polystyrene beads and flow cytometry. To demonstrate its usefulness, we studied PCs during storage. PCs...

journal_title：Platelets

authors： Tynngård N,Wallstedt M,Södergren AL,Faxälv L,Ramström S

更新日期：2015-01-01 00:00:00

abstract：:Patients with peripheral artery disease (PAD) following peripheral percutaneous transluminal angioplasty (PTA) with stent implantation are prone to stent thrombosis despite treatment with aspirin and clopidogrel. Impaired clopidogrel responsiveness is associated with increased risk of ischemic events in patients follo...

journal_title：Platelets

authors： Mazur P,Frołow M,Niżankowski R,Sadowski J,Undas A

更新日期：2013-01-01 00:00:00

abstract：:We investigated the relationship between the expression of IFN-gamma, IL-4, Foxp3 and perforin gene and the methylation status of their promoters in immune thrombocytopenic purpura (ITP) patients. Gene expression and DNA methylation were determined by quantitative PCR and bisulfite genomic sequencing, respectively. Th...

journal_title：Platelets

authors： Zhao H,Du W,Wang D,Gu D,Xue F,Ge J,Sui T,Yang R

更新日期：2010-01-01 00:00:00

abstract：:Oxidative damage to lipids in plasma, blood platelets and neurons in patients with schizophrenia was described. The aim of our present study was to evaluate oxidative/nitrative modifications of blood platelets proteins by measurement the level of biomarkers of oxidative stress such as carbonyl groups, thiol groups and...

journal_title：Platelets

authors： Dietrich-Muszalska A,Olas B

更新日期：2009-03-01 00:00:00

abstract：:We measured and compared the levels of microparticles, chemokines, cell adhesion molecules and platelet activation markers with a view to developing a better understanding of their potential contributions to the pathophysiology of progressive systemic sclerosis (PSS, scleroderma). The concentrations of all the factors...

journal_title：Platelets

authors： Nomura S,Inami N,Ozaki Y,Kagawa H,Fukuhara S

更新日期：2008-05-01 00:00:00

abstract：:The aim of the present study was to investigate the role of 12-lipoxygenase (12-LOX) on platelet-induced airway smooth muscle cell (ASMC) proliferation. Co-incubation of platelets and ASMC caused platelet activation as determined by morphological changes. Simultaneously, reactive oxygen species (ROS)-generation was de...

journal_title：Platelets

authors： Svensson Holm AC,Grenegård M,Ollinger K,Lindström EG

更新日期：2014-01-01 00:00:00

abstract：:SIRT1, a class III histone deacetylase, is critically involved in cellular response to stress and modulates cardiovascular risk factors. However, its role in thrombus formation is largely unknown. Thus, this study investigated the effect of SIRT1 on pulmonary thrombus formation, and then identified its role in the mod...

journal_title：Platelets

authors： Kim YH,Bae JU,Kim IS,Chang CL,Oh SO,Kim CD

更新日期：2016-12-01 00:00:00