Measuring and interpreting platelet-leukocyte aggregates.

abstract：:Stripping of cytoplasm from circulating megakaryocytes (MKs) in the pulmonary capillary bed implicates the lungs as an important site for platelet production in normal physiology. The placenta has been proposed as an alternative location for intrauterine platelet production as fetal lungs are essentially non-functioni...

journal_title：Platelets

authors： Woods MJ,Landon CR,Greaves M,Trowbridge EA

更新日期：1992-01-01 00:00:00

abstract：:A goal of platelet storage is to maintain the quality of platelets from the point of donation to the point of transfusion - to suspend the aging process. This effort is judged by clinical and laboratory measures with varying degrees of success. Recent work gives encouragement that platelets can be maintained ex vivo b...

journal_title：Platelets

authors： Smethurst PA

更新日期：2016-09-01 00:00:00

abstract：:Peroxynitrite is a potent nitrating and oxidizing agent that exerts differential effects on platelets. In the present study we investigated the influence of peroxynitrite on vasodilator-stimulated phosphoprotein (VASP), a protein that plays a key role in inhibition of platelet adhesion and spreading. In platelets, VAS...

journal_title：Platelets

authors： Aburima A,Riba R,Naseem KM

更新日期：2010-01-01 00:00:00

abstract：:In humans and other mammals, Tityus discrepans (Td) scorpion envenomation produces a variety of systemic effects including respiratory distress, a generalized inflammatory reaction, modulation of blood pressure, fibrin formation, and platelet activation. For many of these effects, the venom components and underlying m...

journal_title：Platelets

authors： Brazón J,Hughes CE,Mori J,Sevcik C,D'suze G,Watson SP

更新日期：2011-01-01 00:00:00

abstract：:The present study was designed to investigate the interaction between platelet indices, inflammatory markers and disease activity in rheumatoid arthritis (RA) subjects. The effects of anti-TNF-alpha therapy and conventional treatment on platelet indices were also compared. We studied 97 patients with RA (19 men, 78 wo...

journal_title：Platelets

authors： Yazici S,Yazici M,Erer B,Erer B,Calik Y,Ozhan H,Ataoglu S

更新日期：2010-01-01 00:00:00

abstract：:Adrenaline is a platelet activator having a resting plasma concentration of <1 nmol/l that increases to a few nmol/l during stress. However, most in vitro assays only detect effects of adrenaline in micromolar concentrations. This makes it difficult to estimate the relevance of in vitro data for the in vivo situation....

journal_title：Platelets

authors： Eriksson AC,Whiss PA

更新日期：2013-01-01 00:00:00

abstract：:Epinephrine is known as a weak, but important, agonist for platelet activation. It has been reported that the responsiveness of platelets to epinephrine was markedly impaired in 6% of Caucasians and in 16% of Japanese. The purpose of this study was to screen and characterize this abnormality in healthy Taiwanese Chine...

journal_title：Platelets

authors： Lin TM,Lin JS,Tseng JY,Wu SY,Chen TY

更新日期：2016-01-01 00:00:00

abstract：:We have investigated interactions between human blood platelets and the vitronectin-containing fluid-phase terminal complement complex, the SC5b-9, which is a non-cytolytic variant of the membrane attack complex C%9(m). SC5b-9 affinity for the platelet membrane glycoprotein IIb/IIIa (GPIIb/IIIa) complex was demonstrat...

journal_title：Platelets

authors： Røger M,Høgåsen K,Holme PA,Halstensen TS,Mollnes TE,Hovig T

更新日期：1995-01-01 00:00:00

abstract：:The SDF-1-CXCR4 axis plays an essential role in the regulation of platelet production, by directing megakaryocyte (MK) migration toward the vascular niche, thus allowing terminal maturation and proplatelet formation, and also regulates platelet function in an autocrine manner. Inherited thrombocytopenias (IT) comprise...

journal_title：Platelets

authors： Salim JP,Glembotsky AC,Lev PR,Marin Oyarzún CP,Goette NP,Molinas FC,Marta RF,Heller PG

更新日期：2017-09-01 00:00:00

abstract：:Platelets play a key role in thrombotic vascular occlusion at the side of an atherosclerotic plaque. Malondialdehyde (MDA) derivatives are components of oxidized LDL. Recent studies suggest enhanced adhesion of platelets on oxidized LDL, but evidence of MDA-modified LDL contribution to enhanced platelet adhesion is mi...

journal_title：Platelets

authors： Suttnar J,Otáhalová E,Cermák J,Dyr JE

更新日期：2006-03-01 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：:Heparin-induced thrombocytopenia (HIT) is an adverse drug reaction characterized by IgG antibodies bound to complexes of platelet factor 4 (PF4) and heparin. The majority of diagnostic tests for HIT rely on an exogenous source of PF4 to identify anti-PF4/heparin antibodies. These include the PF4-dependent enhanced ser...

journal_title：Platelets

authors： Huynh A,Arnold DM,Moore JC,Smith JW,Kelton JG,Nazy I

更新日期：2018-05-01 00:00:00

abstract：:Cessation of one component of dual antiplatelet therapy (DAPT) following percutaneous coronary intervention (PCI) has been associated with increased risk of ischemic events but it is uncertain whether discontinuation of aspirin is preferable to discontinuation of the oral P2Y12 inhibitor. The GLOBAL LEADERS study comp...

journal_title：Platelets

authors： Hennigan BW,Good R,Adamson C,Parker WAE,Martin L,Anderson L,Campbell M,Serruys PW,Storey RF,Oldroyd KG

更新日期：2020-12-26 00:00:00

abstract：:Thrombocytopenia is classically defined as a platelet count of less than 150 000/µl. Counts from 100 000 to 150 000/µl are considered mildly depressed, 50 000 to 100 000/µl moderately depressed, and less than 50 000/µl severely depressed. Thrombocytopenia occurs in about 10% of pregnant women. Gestational thrombocytop...

journal_title：Platelets

authors： Lim CC,Patel DK,Bakhtiari A,Subrayan V

更新日期：2013-01-01 00:00:00

abstract：:Coronary artery bypass grafting (CABG) with cardiopulmonary bypass (CPB) is frequently associated with low platelet count (PC) and disturbed platelet function (PF). While PC is easy to measure, PF is more difficult to assess. Moreover, the time-related platelet dysfunction and recovery after CPB is not fully elucidate...

journal_title：Platelets

authors： Van Poucke S,Stevens K,Wetzels R,Kicken C,Verhezen P,Theunissen M,Kuiper G,van Oerle R,Henskens Y,Lancé M

更新日期：2016-12-01 00:00:00

abstract：:Prostaglandins stimulate cyclic AMP synthesis in platelets, leading to inhibition of platelet aggregation. Prostaglandin receptors have been identified but knowledge of their pharmacology is limited by the lack of antagonists. Kinetic measurements of prostaglandinregulated cyclic AMP formation provide useful informati...

journal_title：Platelets

authors： Ashby B

更新日期：1990-01-01 00:00:00

abstract：:Platelet-surface contact is the first step in thrombus formation. Platelet spreading makes this initial contact irreversible. On the other hand plasma lipids and fibrinogen have been described to activate platelets or promote adhesion. We therefore investigated whether platelet spreading under stagnation-point flow co...

journal_title：Platelets

authors： Reininger AJ,Reininger CB,Agneskirchner J,Scherb H,Spannagl M,Wurzinger LJ

更新日期：1998-01-01 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：:Recent experimental evidence demonstrates that the platelet-specific collagen receptor, glycoprotein (GP)VI is essentially all uncleaved on normal circulating platelets, but is shed from the platelet surface in a metalloproteinase-dependent manner in response to GPVI ligands (including collagen), anti-GPVI antibodies ...

journal_title：Platelets

authors： Al-Tamimi M,Mu FT,Moroi M,Gardiner EE,Berndt MC,Andrews RK

更新日期：2009-05-01 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：: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：:The objective of this study was to obtain pilot data on which to judge the feasibility and sample size needed for a future comparative-effectiveness trial of platelet transfusions in the NICU. We conducted a limited-scope pilot trial in which neonates were randomized to receive platelet transfusions based on platelet ...

journal_title：Platelets

authors： Zisk JL,Mackley A,Clearly G,Chang E,Christensen RD,Paul DA

更新日期：2014-01-01 00:00:00

abstract：:Previous studies have reported that various factors affect ADP-induced platelet reactivity during clopidogrel therapy. The aim of this study was to determine whether clinical and laboratory variables for platelet reactivity during dual antiplatelet therapy (DAPT) are dependent on the assay used. We enrolled 904 patien...

journal_title：Platelets

authors： Choi SY,Kim MH

更新日期：2019-01-01 00:00:00

abstract：:Platelet activation occurs in an endothelium-dependent flow-mediated dilation (FMD) impairment environment. The aim of this study was to explore the association between platelet reactivity and brachial artery FMD in individuals without established cardiovascular disease (controls) and acute myocardial infarction (AMI)...

journal_title：Platelets

authors： Shechter M,Shechter A,Hod H,Fefer P,Shenkman B,Koren-Morag N,Feinberg MS,Harats D,Ami Sela B,Savion N,Varon D,Matetzky S

更新日期：2012-01-01 00:00:00

abstract：:Due to the importance of fluid flow during thrombotic episodes, it is quite appropriate to study clotting and bleeding processes in devices that have well-defined fluid shear environments. Two common devices for applying these defined shear stresses include the cone-and-plate viscometer and parallel-plate flow chamber...

journal_title：Platelets

authors： Zhang C,Neelamegham S

更新日期：2017-07-01 00:00:00

abstract：:Postoperative atrial fibrillation (AF) is a common complication of coronary artery bypass grafting (CABG). The mean platelet volume (MPV) is an important marker of platelet activity and is associated with cardiovascular risk factors. We investigated whether the MPV is associated with the development of AF after CABG. ...

journal_title：Platelets

authors： Erdem K,Ayhan S,Ozturk S,Bugra O,Bozoglan O,Dursin H,Yazici M,Daglar B

更新日期：2014-01-01 00:00:00

abstract：:Platelet-rich fibrin (PRF) is generated from the patients' own venous blood by a single centrifugation step without the additional use of anticoagulants. Based on the previously described LSCC (low-speed centrifugation concept), our group showed that modification of the centrifugation setting, that is, reducing the re...

journal_title：Platelets

authors： Kubesch A,Barbeck M,Al-Maawi S,Orlowska A,Booms PF,Sader RA,Miron RJ,Kirkpatrick CJ,Choukroun J,Ghanaati S

更新日期：2019-01-01 00:00:00

abstract：:FVIII is an important cofactor in the tenase coagulation factor complex, lack of FVIII causes severe bleeding, whereas high FVIII levels seem to be associated with venous and arterial thromboembolism. Resting platelets do not bind FVIII, but activated platelets bind unactivated FVIII if vWF is not present. We investig...

journal_title：Platelets

authors： Obergfell A,Sturm A,Speer CP,Walter U,Grossmann R

更新日期：2006-11-01 00:00:00

abstract：:The Gray Platelet Syndrome (GPS) is a rare inherited, hypogranular platelet disorder characterized by virtual absence of alpha granules in bone marrow megakaryocytes and circulating plates. Usually only one member of a family is affected, but families with two or more affected individuals have been reported from Franc...

journal_title：Platelets

authors： White JG,Kumar A,Hogan MJ

更新日期：2006-12-01 00:00:00

abstract：:The frequency distributions of HPA-1 to HPA-6 and HPA-15 were evaluated in two Brazilian populations from Parana: a mixed population of predominantly Caucasians and a population of Japanese descendants. Genotyping was performed by PCR-SSP in 364 unrelated individuals. Differences in the distribution of HPA highlight d...

journal_title：Platelets

authors： Silvestre APA,Zacarias JMV,Guelsin GAS,Visentainer JEL,Sell AM

更新日期：2017-09-01 00:00:00