• Integrin alpha 2b (ITGA2b), also known as CD41 and GPIIb, is a transmembrane glycoprotein that is expressed by megakaryocytes and platelets. (rndsystems.com)
  • Scholars@Duke publication: Randomised trial of coronary intervention with antibody against platelet IIb/IIIa integrin for reduction of clinical restenosis: results at six months. (duke.edu)
  • We tested a monoclonal antibody Fab fragment (c7E3) directed against the platelet glycoprotein IIb/IIIa integrin, the receptor mediating the final common pathway of platelet aggregation, to see whether it reduced the frequency of clinical restenosis. (duke.edu)
  • The mouse monoclonal antibody PAC-1 recognizes an extracellular activation-induced conformational epitope PAC-1 on CD41/CD61 complex (gpIIb/IIIa), also known as integrin alpha IIb beta 3, a receptor which mediates platelet aggregation. (exbio.cz)
  • CD41 (platelet glycoprotein IIb, integrin alpha IIb) is composed of two subunits (120 kDa transmembrane alpha chain and 23 kDa extracellular beta chain) and interacts with CD61 (platelet glycoprotein IIIa, integrin beta 3) in the presence of calcium to form a functional adhesive protein receptor. (exbio.cz)
  • In this study we aimed to investigate the effect of ITGA2B (integrin alpha 2b, platelet glycoprotein IIb of IIb/IIIa complex) gene polymorphism on the magnitude of inflammatory response after CPB. (peertechzpublications.com)
  • Qin R , Zhu H , Wang F , Song M , Lin P , Xing Y , Zhang W , Zhong M , Wang Z , . Platelet activation in diabetic mice models: the role of vascular endothelial cell-derived protein disulfide isomerase-mediated GP IIb/IIIa receptor activation. (aging-us.com)
  • GP IIb/IIIa receptor activation plays an important role in thrombosis. (aging-us.com)
  • Platelet membrane glycoprotein IIb-IIIa forms a calcium-dependent heterodimer and constitutes the fibrinogen receptor on stimulated platelets. (rupress.org)
  • Background: In patients with ST-elevation myocardial infarction (STEMI), direct intracoronary bolus administration of the glycoprotein (GP) IIb/IIIa receptor antagonist abciximab is associated with a reduction in infarct size, better myocardial salvage, less microvascular obstruction and improved myocardial blush grade as compared to intravenous bolus injection, presumably caused by higher local drug concentrations leading to a more pronounced inhibition of platelet aggregation. (uni-luebeck.de)
  • We investigated whether there are differences in the degree of GP IIb/IIIa receptor occupancy and platelet inhibition in blood drawn from the coronary sinus (CS) shortly after intracoronary versus intravenous abciximab bolus administration. (uni-luebeck.de)
  • At late sampling after 30 min no significant differences were found between groups for both platelet reactivity and GP IIb/IIIa receptor occupancy. (uni-luebeck.de)
  • Conclusions: Acutely, direct intracoronary bolus injection resulted in a more pronounced local inhibition of platelet function and a higher degree of GP IIb/IIIa receptor occupancy as compared to standard intravenous bolus injection. (uni-luebeck.de)
  • ADP-induced platelet aggregation is mediated by the P 2T receptor subtype located on the platelet membrane. (justia.com)
  • The drug is an irreversible inhibitor of the P2Y12 adenosine diphosphate receptor found on the membranes of platelet cells. (itopmeds.com)
  • This active metabolite selectively inhibits adenosine diphosphate (ADP) binding to its platelet P2Y12 receptor and subsequently the ADP-mediated activation of the glycoprotein GPIIb/IIIa complex, thereby inhibiting platelet aggregation. (itopmeds.com)
  • The active metabolite of clopidogrel prevents binding of adenosine diphosphate (ADP) to its platelet receptor, impairing the ADP-mediated activation of the glycoprotein GPIIb/IIIa complex. (itopmeds.com)
  • No direct interference occurs with the GPIIb/IIIa receptor. (itopmeds.com)
  • As the glycoprotein GPIIb/IIIa complex is the major receptor for fibrinogen, its impaired activation prevents fibrinogen binding to platelets and inhibits platelet aggregation. (itopmeds.com)
  • Los pequeños péptidos sintéticos que contienen la secuencia peptídica N-terminal no enmascarada pueden activar también el receptor en ausencia de actividad proteolítica. (bvsalud.org)
  • Experts said that ApoA-IV terminates membrane protein glycoprotein IIb/IIIa, thereby inhibiting platelet activity dangerous to the heart and blood vessels. (allmyfamilycare.com)
  • Platelet membrane glycoproteins are surface glycoproteins found on platelets (thrombocytes) which play a key role in hemostasis. (wikipedia.org)
  • In the absence of fibrinogen, the platelets are joined by vWF due to its ability to bind the activated GPIIb / IIIa complex. (wikipedia.org)
  • The EMP-PDI content and GP IIb/IIIa expression of mice platelets were determined. (aging-us.com)
  • Whatever the initial stimulus, the final common event is a cross-linking of platelets by binding of fibrinogen to a membrane-binding site, glycoprotein IIb/IIIa (GPIIb/IIIa). (justia.com)
  • The antibody does not react with platelets from patients with the hereditary deficiency of GP IIb-IIIa (Glanzmann's thrombasthenia). (yoproteins.eu)
  • 9. Khaspekova SG, Vlasik TN, Byzova TV, Vinogradov DV, Berndt MC, Mazurov AV. (1993) Detection of an epitope specific for the dissociated form of glycoprotein IIIa of platelet membrane glycoprotein IIb-IIIa complex and its expression on the surface of adherent platelets. (yoproteins.eu)
  • One fibrinogen molecule has two binding sites for glycoproteins IIb/IIIa and thus can unite two platelets. (pastaplusrestaurant.com)
  • The glycosylation of GPIIb-IIIa was examined in megakaryocytes by metabolic labeling in the presence of tunicamycin, monensin, or treatment with endoglycosidase H. The polypeptide backbones of the GPIIb and the GPIIIa have molecular masses of 120 and 90 kD, respectively. (rupress.org)
  • This transmembrane glycoprotein complex is composed of four subunits: GPIbα, GPIbβ, GPV and GPIX. (wikipedia.org)
  • Resumo: A Púrpura Trombocitopênica Imune (PTI) é uma doença autoimune caracterizada pela presença de autoanticorpos contra as glicoproteínas de membrana plaquetária, tais como GPIIb/IIIa e GPIb/IX. (unicamp.br)
  • Abstract: The immune thrombocytopenic purpura (ITP) is an autoimmune disease characterized by the presence of autoantibodies against the platelet membrane glycoproteins such as GPIIb/IIIa and GPIb/IX. (unicamp.br)
  • 4. Naimushin YA, Mazurov AV. (2004) Von Willebrand factor can support platelet aggregation via interaction with activated GPIIb-IIIa and GPIb. (yoproteins.eu)
  • VWF protects FVIII from degradation and transports it to plasma, and mediates platelet activation by binding to their membrane receptors GPIb and GPIIb / IIIa. (cryopep.com)
  • View our protocol for Staining Membrane-associated Proteins . (rndsystems.com)
  • Ankyrins link integral membrane proteins to the spectrin-based membrane skeleton. (dana-farber.org)
  • Hereditary defects in membrane skeleton proteins. (dana-farber.org)
  • This indicates that AE1 and probably other integral membrane proteins have a 'lipid-anchoring' function. (dana-farber.org)
  • They have been defined as monotropic integral membrane proteins located primarily in the endoplasmic reticulum (COX-1) and the perinuclear envelope (COX-2). (medscape.com)
  • More recently, the concept of lysosomal storage disease has been expanded to include deficiencies or defects in proteins necessary for the normal post-translational modification of lysosomal enzymes (which themselves are often glycoproteins), activator proteins, or proteins important for proper intracellular trafficking between the lysosome and other intracellular compartments. (medscape.com)
  • Membrane glycoproteins GPIa/IIa, GPVI and probably GPIV as well, function as collagen receptors, engaged in platelet adhesion to collagen. (wikipedia.org)
  • The mechanism of early activation of GP IIb/IIIa receptors in diabetic conditions remains unknown. (aging-us.com)
  • In conclusion, EMP-PDI promotes early platelet activation through glycoprotein (GP) IIb/IIIa receptors present on platelet surface in the diabetic state. (aging-us.com)
  • However, the ultimate common pathway of platelet aggregation is the activation of glycoprotein (GP) IIb/IIIa receptors present on platelet surface [ 7 - 9 ]. (aging-us.com)
  • Under physiological conditions, the GP IIb/IIIa receptors are present in a low-affinity state and cannot bind to fibrinogen. (aging-us.com)
  • This process relies on the destruction of disulfide bonds present on these receptors, such as Cys5-Cys435, Cys663-Cys687, and a third Cys-rich repetitive zone, to be transformed into the ligand-binding, high-affinity state and evoke conformational changes in GP IIb/IIIa receptors [ 10 ]. (aging-us.com)
  • However, not all patients in these trials received glycoprotein (GP) IIb/IIIa inhibitors. (acc.org)
  • Background: Prior trials have demonstrated that peri-procedural bivalirudin therapy confers similar efficacy as heparin plus GP IIb/IIIa inhibitors, while lowering the risk of bleeding complications in ACS patients undergoing percutaneous coronary intervnetions (PCI). (illinois.edu)
  • The incidence of in-hospital death (0.4% vs. 0.2%, P = 0.604), post-procedural MI (6.9% vs. 5.4%, P = 0.351), and MACE including death, stroke, emergent CABG/PCI, and MI (7.6% vs. 5.8%, P = 0.304) were similar in patients treated with bivalirudin versus UFH plus GP IIb/IIIa inhibitors, respectively. (illinois.edu)
  • Conclusions: In patients presenting with ACS and receiving clopidogrel treatment after angiography (before or within 30 min of PCI), peri-procedural bivalirudin monotherapy suppresses acute and long-term adverse events to a similar extent as does UFH plus GP IIb/IIIa inhibitors, while significantly lowering the risk of bleeding complications. (illinois.edu)
  • The high anti-platelet efficacy of antibodies or antagonists for GPIIb/IIIa is explained by their interference with this final common event. (justia.com)
  • 3. Sirotkina OV, Khaspekova SG, Zabotina AM, Shimanova YV, Mazurov AV. (2007) Effects of platelet glycoprotein IIb-IIIa number and glycoprotein IIIa Leu33Pro polymorphism on platelet aggregation and sensitivity to glycoprotein IIb-IIIa antagonists. (yoproteins.eu)
  • Exploratory Use of Glycoprotein IIb/IIIa Inhibition in Prevention of Blalock-Taussig Shunt Thrombosis. (harvard.edu)
  • 2001) [Inhibition of thrombocyte aggregation by F(ab')2-fragments of monoclonal antibodies FraMon (CRC64) to glycoproteins IIb-IIIa]. (yoproteins.eu)
  • It is proposed that the inhibition involves a defect in the mobilization from the storage sites of the platelet granules to the outer membrane. (itopmeds.com)
  • Objectives: This study sought to investigate if the efficacy of bivalirudin monotherapy is similar to heparin plus GP IIb/IIIa inhibition in patients with acute coronary syndromes (ACS) treated with clopidogrel following diagnostic angiography. (illinois.edu)
  • A group of lambs artificially reared and fed bovine colostrum developed severe thrombocytopenia with prolonged bleeding from puncture wounds from ear tag placement, subcutaneous bruising, weakness, and pale mucous membranes. (msdvetmanual.com)
  • [ 10 ] Owing to the subtlety of exposures (saliva aerosols or saliva contaminating tiny bites or mucous membranes), bats may pose the highest and least-recognized risk by the general public. (medscape.com)
  • 1. Khaspekova SG, Ziuriaev IT, Iakushkin VV, Golubeva NV, Ruda MIa, Mazurov AV. (2011) [Platelet aggregation upon acetylsalicylic acid and clopidogrel treatment and glycoprotein IIb/IIIa content in patients with acute coronary syndrome]. (yoproteins.eu)
  • Fibrinogen sites recognized by glycoprotein IIb / IIIa complex: dodecapeptide located in the C-terminal of the fibrinogen γ chain (the most important) RGD sequence of the α chain → the Arginine-Glycine-Aspartate amino acid sequence This complex also binds vWF, fibronectin and vitronectin. (wikipedia.org)
  • The deficiency in glycoprotein Ib-IX-V complex synthesis leads to Bernard-Soulier syndrome. (wikipedia.org)
  • Deficiency in the IIb / IIIa complex is described as Glanzmann's thrombasthenia. (wikipedia.org)
  • Results of published studies of the association between the glycoprotein IIIa polymorphism and ischemic stroke. (jamanetwork.com)
  • The tiny GTPase Rab27B localizes to the zymogen granule membranes and plays an important role in regulating protein secretion by pancreatic acinar cells as does Rab3D. (research-in-field.com)
  • Phylogenetic analyses of RRV envelope glycoprotein E2 and nonstructural protein nsP3 nucleotide sequences segregated the RRV isolates obtained in 2016 and 2017 outbreaks into 2 distinct sublineages, suggesting that each outbreak was caused by a different strain of RRV. (cdc.gov)
  • The A to Z trial is the first large, randomized trial to examine the safety and efficacy of the combination of enoxaparin versus UFH with use of a GP IIb/IIIa inhibitor. (acc.org)
  • Methods: Using the 2004/2005 Cornell Angioplasty Registry, we evaluated 980 consecutive patients undergoing urgent PCI for UA/NSTEMI who were treated with either bivalirudin or UFH plus GP IIb/IIIa inhibitor. (illinois.edu)
  • Results: Of the 980 study patients, 461 (47.0%) were treated with bivalirudin and 519 (53.0%) patients received UFH plus GP IIb/IIIa inhibitor. (illinois.edu)
  • 8. Khaspekova SG, Vyzova TV, Lukin VV, Tikhomirov OIu, Berndt M, Kouns W, Mazurov AV. (1996) [Conformational changes of the platelet membrane glycoprotein IIb-IIIa complex stimulated by a monoclonal antibody to the N-terminal segment of glycoprotein IIIa]. (yoproteins.eu)
  • Biosynthesis and processing of platelet GPIIb-IIIa in human megakaryocytes. (rupress.org)
  • To examine the biosynthesis and processing of GPIIb-IIIa, purified human megakaryocytes were isolated from liquid cultures of cryopreserved leukocytes stem cell concentrates from patients with chronic myelogenous leukemia. (rupress.org)
  • Hughes Syndrome/Antiphospholipid syndrome (APS) is a systemic autoimmune, hypercoagulable, thrombo inflammatory, and thrombosis and/or pregnancy complications syndrome caused by the persistent presence of antiphospholipid antibodies (APL) in plasma of patients with vascular thrombosis and/or pregnancy morbidity along with persistent anti-phospholipid antibodies (APLA), including lupus anticoagulant (LA), anti-β2-glycoprotein I (anti-β2GPI) and/or anti-cardiolipin (ACL) antibodies. (endinglines.com)
  • During the past decade our laboratory and others have shown that hereditary spherocytosis is caused by defects in the connections that attach the membrane skeleton to the overlying lipid bilayer. (dana-farber.org)
  • A lipid membrane encapsulates the icosahedral nucleocapsid. (medscape.com)
  • Two outwardly projecting glycoproteins, E1 and E2, are inserted in the lipid membrane surrounding the nucleocapsid. (medscape.com)
  • The leading role in the elimination of high-stress injury is taken by the glycoprotein Ib-IX-V complex. (wikipedia.org)
  • In consequence, this complex activates GPIIb / IIIa membrane glycoproteins, allowing them to bind fibrinogen. (wikipedia.org)
  • The IIb / IIIa complex is a major platelet membrane component. (wikipedia.org)
  • These subunits form Ca2+ - dependent complex on the surface of platelet membrane in a 1:1 ratio. (wikipedia.org)
  • Platelet Glycoprotein GPIIb-IIIa Complex" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (harvard.edu)
  • Platelet membrane glycoprotein complex important for platelet adhesion and aggregation. (harvard.edu)
  • This graph shows the total number of publications written about "Platelet Glycoprotein GPIIb-IIIa Complex" by people in Harvard Catalyst Profiles by year, and whether "Platelet Glycoprotein GPIIb-IIIa Complex" was a major or minor topic of these publication. (harvard.edu)
  • Below are the most recent publications written about "Platelet Glycoprotein GPIIb-IIIa Complex" by people in Profiles. (harvard.edu)
  • Shattil SJ, Hoxie JA, Cunningham M, Brass LF: Changes in the platelet membrane glycoprotein IIb.IIIa complex during platelet activation. (exbio.cz)
  • Rab27B was found to be indicated in a wide range of exocytic cells and localized to secretory granules in the cell periphery close to the plasma membrane (12). (research-in-field.com)
  • While these epizootic strains are virulent in equines and humans, the enzootic Venezuelan equine encephalitis virus serotypes ID, IE, and IIIA can cause illness in humans but not in equines. (medscape.com)
  • Enzootic Venezuelan equine encephalitis serotypes ID, IE, and IIIA are avirulent in equines but can cause illness in humans. (medscape.com)
  • 2010) [Glycoprotein IIb-IIIa antagonist Monafram in primary angioplasty of patients with acute coronary syndrome without st segment elevation]. (yoproteins.eu)
  • Ces résultats semblent indiquer que l'utilisation de l'alun en tant qu'antiplaquettaire oral pourrait faire l'objet d'études complémentaires, en tenant compte des effets secondaires éventuels notamment chez les patients dont la fonction rénale est altérée. (who.int)
  • Compared with the normal diet group, the diabetic group had significantly increased plasma EMP-PDI content and accelerated platelet activation by increased GP IIb/IIIa expression. (aging-us.com)
  • His research focuses on red blood cell membrane disorders and anemias. (dana-farber.org)
  • Although much experimental evidence indicates that AE1 is required for membrane skeleton assembly, AE1-/- red blood cells have a normal membrane skeleton. (dana-farber.org)
  • L'agrégation plaquettaire induite par le collagène dans des échantillons de plasma riche en plaquettes de 14 lapins sains a été mesurée par turbidimétrie en utilisant un agrégomètre, avant et une heure après une injection intra- veineuse d'alun. (who.int)