Impaired responsiveness of platelets to epinephrine due to α2A adrenoreceptor deficiency in Male Chinese.

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：:Aspirin and Clopidogrel are used in prophylaxis of patients undergoing percutaneous coronary intervention and long-term prevention of cardiovascular and cerebrovascular events. Clopidogrel resistance has been attributed to P2Y1 and P2Y12 adenosine diphosphate (ADP) receptor polymorphisms. This study enrolled 100 patie...

journal_title：Platelets

authors： Kar R,Meena A,Yadav BK,Yadav R,Kar SS,Saxena R

更新日期：2013-01-01 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

abstract：:A controversial discussion as to whether human platelets are capable of regulated protein synthesis has been ongoing for over half a century. A previous study has suggested that human platelets synthesize large amounts of interleukin 1beta (IL-1beta) in response to external cues and in a physiologically significant ma...

journal_title：Platelets

authors： Pillitteri D,Bassus S,Boller K,Mahnel R,Scholz T,Westrup D,Wegert W,Kirchmaier CM

更新日期：2007-03-01 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：:Recent studies have suggested that the platelet fibrinogen (Fg) receptor, platelet membrane glycoprotein IIbIIIa (GPIIbIIIa, or integrin alpha(IIb)beta(3)) is also an adenosine triphosphate (ATP) binding site, and that the binding of ATP can directly inhibit the Fg-binding function of GPIIbIIIa. However, any direct ef...

journal_title：Platelets

authors： Liu Q,Sloan S,Frojmovic MM

更新日期：1999-01-01 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：:In recent years the involvement of platelets dysfunction in atherogenesis and in the clinical complications from atherosclerosis has become more recognised. Systemic platelet-related thrombogenic factors have been shown to be involved in the initiation and progression of atherogenesis and plaque growth. Over the last ...

journal_title：Platelets

authors： El-Sayed MS

更新日期：2002-08-01 00:00:00

abstract：:Avian influenza A (H7N9) is a serve zoonosis with a high mortality rate. Timely and effective diagnosis and early warning is crucial for the clinical treatment of H7N9 patients. The previous studies indicated that thrombocytopenia was associated with the prognosis of influenza cases, but the related evidence of platel...

journal_title：Platelets

authors： Chen Y,Yang Y,Cheng J,Lu J,Hu W

更新日期：2020-01-01 00:00:00

abstract：:The risk and benefit of GP-IIb/IIIa Inhibition (GPI) in combination with recent antiplatelet regimens in acute coronary syndromes (ACS) remain unassessed. The advent of fast-acting highly active oral P2Y12 inhibitors questions the additional value and risk of their association with GPI. We studied the effect of GPI in...

journal_title：Platelets

authors： Roule V,Agueznai M,Sabatier R,Blanchart K,Lemaître A,Ardouin P,Collet JP,Milliez P,Montalescot G,Beygui F

更新日期：2017-03-01 00:00:00

abstract：:The purpose of the study was to evaluate safety, effects on platelet aggregation and pharmacokinetics of F(ab')(2) fragments of anti-glycoprotein (GP) IIb-IIIa murine monoclonal antibody FRaMon (F(ab')(2) FRaMon) upon its intravenous administration in patients undergoing high-risk coronary angioplasty. Patients were t...

journal_title：Platelets

authors： Mazurov AV,Pevzner DV,Antonova OA,Byzova TV,Khaspekova SG,Semenov AV,Vlasik TN,Samko AN,Staroverov II,Ruda MY

更新日期：2002-12-01 00:00:00

abstract：:Platelet function disorders (PFDs) are a common cause of mild bleeding tendency. However, they cannot be recognized by standard screening studies. The gold standard test for PFD is platelet aggregation, performed by light transmission aggregometry (LTA). A newer and less validated method is the closure time (CT), perf...

journal_title：Platelets

authors： Tanous O,Steinberg Shemer O,Yacobovich J,Zoldan M,Horovitz Y,Yaniv I,Rabizadeh E,Tamary H,Nakav S,Lahav J

更新日期：2017-11-01 00:00:00

abstract：:Interaction of von Willebrand factor (VWF) with circulating platelets promotes hemostasis when a blood vessel is injured. The A1 domain of VWF is responsible for the initial interaction with platelets and is well conserved among species. Knowledge of the cDNA and genomic DNA sequences for human VWF allowed us to predi...

journal_title：Platelets

authors： Chitta MS,Duhé RJ,Kermode JC

更新日期：2007-05-01 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：:Standardized Ginkgo biloba extract, EGb761, has been shown to possess polyvalent properties, such as anti-oxidation, anti-apoptosis and anti-inflammation. Recently, it has also been proposed to have direct protective effects on mitochondria. The effects of EGb761 make it a potential anti-aging drug. Despite that, the ...

journal_title：Platelets

authors： Shi C,Xiao S,Liu J,Guo K,Wu F,Yew DT,Xu J

更新日期：2010-01-01 00:00:00

abstract：:Platelets from patients with type 2 diabetes show abnormalities in intracellular Ca(2+) homeostasis that are involved in platelet hyperaggregability and the development of thrombotic complications. Different Ca(2+) transport mechanisms have been reported to be altered in platelets from patients with type 2 diabetes, i...

journal_title：Platelets

authors： Zbidi H,Jardin I,Bartegi A,Salido GM,Rosado JA

更新日期：2011-01-01 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：:In aspirin-treated platelets labelled by preincubation with [(3)H]-choline, enhanced release of both [(3)H]-choline and [(3)H]-choline phosphate resulted from stimulation by collagen or thrombin. No such release accompanied stimulation by ADP, platelet-activating factor or adrenaline. Release of [(3)H]-choline phospha...

journal_title：Platelets

authors： Petty AC,Scrutton MC

更新日期：1993-01-01 00:00:00

abstract：:Dopamine (DA), a catecholamine neurotransmitter, is known to for its diverse roles on hematopoiesis, yet its function in thrombopoiesis remains poorly understood. This study shows that DA stimulation can directly induce platelet production from megakaryocytes (MKs) in the final stages of thrombopoiesis via a reactive ...

journal_title：Platelets

authors： Chen S,Hu M,Shen M,Xu Y,Wang C,Wang X,Li F,Zeng D,Chen F,Zhao G,Chen M,Wang F,Cheng T,Su Y,Zhao J,Wang S,Wang J

更新日期：2018-11-01 00:00:00

abstract：:The H(1)-histamine receptor antagonist Dithaden(R) inhibited in a dose-dependent manner, human platelet aggregation in vitro that was induced with stimuli in the following rank order of potency: thrombin > A23187 > adrenaline > ADP. The aggregation of platelets in plasma induced with adrenaline was inhibited by Dithia...

journal_title：Platelets

authors： Nosál' R,Jancinová V,Danihelova E

更新日期：1997-01-01 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：: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：:Bleeding in the setting of acute coronary syndromes (ACS) has negative prognostic implications. We sought to determine the impact of different levels of on-treatment platelet reactivity (PR) to ADP on both bleeding and ischemic events in ACS patients receiving coronary stenting. PR to ADP was measured with the VerifyN...

journal_title：Platelets

authors： Huczek Z,Filipiak KJ,Kochman J,Michalak M,Roik M,Grabowski M,Opolski G

更新日期：2011-01-01 00:00:00

abstract：:In human platelets and other non-excitable cell types depletion of the intracellular calcium stores promotes calcium entry across the plasma membrane. Although the mechanism of this store-mediated calcium entry remains uncertain, it has been suggested that a tyrosine phosphorylation step could be involved. In support ...

journal_title：Platelets

authors： Jenner S,Sage SO

更新日期：2000-06-01 00:00:00

abstract：:Previous studies have reported increased platelet activation and aggregation in patients with obstructive sleep apnea (OSA). Continuous positive airway pressure (CPAP) treatment has been shown to decrease platelet activation. We aimed to study the effects of nasal CPAP therapy has on MPV values in patients with severe...

journal_title：Platelets

authors： Varol E,Ozturk O,Yucel H,Gonca T,Has M,Dogan A,Akkaya A

更新日期：2011-01-01 00:00:00

abstract：:Sheehan's syndrome (SS) is an adenopituitary insufficiency caused by hypovolemia secondary to excessive blood loss during or after childbirth. However, the mechanism of postpartum hemorrhage and ischemia is not clear. We aimed to evaluate the bleeding disorders among patients with SS, in comparison with healthy contro...

journal_title：Platelets

authors： Gokalp D,Tuzcu A,Bahceci M,Ayyildiz O,Erdemoglu M,Alpagat G

更新日期：2011-01-01 00:00:00

abstract：:The generation of superoxide anion radicals (O2*-) and the other reactive oxygen species (ROS) was estimated by means of cytochrome c reduction and chemiluminescence, as well in resting blood platelets and in platelets stimulated by thrombin in the presence or absence of some inhibitors of pathways involved in platele...

journal_title：Platelets

authors： Wachowicz B,Olas B,Zbikowska HM,Buczyński A

更新日期：2002-05-01 00:00:00

abstract：:In immune thrombocytopenia (ITP), antibodies reacting with platelet membrane glycoproteins (GP) mediate premature platelet cleavage, resulting in thrombocytopenia and therefore a risk of bleeding. These antibodies may induce complement activation, thus mediating complement-induced platelet destruction. In this study, ...

journal_title：Platelets

authors： Unterberger U,Eichelberger B,Ulz A,Panzer S

更新日期：2017-06-01 00:00:00

abstract：:A variety of flow cytometry techniques are in use to evaluate in vivo blood platelet activation. We have in this study further developed and optimised these methods to be suitable for use in clinical studies. By preloading the Monovette EDTA vacuum blood sampling tubes with 1/8 vol 4% (w/v) paraformaldehyde (PFA), we ...

journal_title：Platelets

authors： Hagberg IA,Lyberg T

更新日期：2000-05-01 00:00:00

abstract：:Autoimmune thrombocytopenic purpura (ITP) is characterized by an abnormally low platelet count and bleeding risks. The exact triggering event remains elusive. Oxidative stress may play a role in several autoimmune diseases. A direct link between platelets in ITP and oxidative stress has not yet been addressed. The int...

journal_title：Platelets

authors： Kamhieh-Milz J,Bal G,Sterzer V,Kamhieh-Milz S,Arbach O,Salama A

更新日期：2012-01-01 00:00:00