... is the reversible clumping of red blood cells (RBCs) under low shear forces or at stasis. Erythrocytes ... Influence of erythrocyte aggregation on in vivo blood flow is still a controversial issue. Enhanced aggregation affects venous ... Erythrocyte sedimentation rate closely reflects the extent of aggregation, therefore can be used as a measure of aggregation. ... Erythrocyte aggregation can also be quantitated by monitoring optical properties of blood during the time course of aggregation ...
Fabry, T. L. (1 November 1987). "Mechanism of erythrocyte aggregation and sedimentation". Blood. 70 (5): 1572-1576. doi:10.1182 ... As aggregation proceeds, the average diffusion constant of the aggregate population decreases. The aggregation of red blood ... The aggregations, also known as "clumping," form as an allergic reaction to certain antibiotics and not necessarily because of ... According to Smoluchowski aggregation, the kinetics of colloids is based on the assumption that each particle is surrounded by ...
Clay dispersion turned out to not be affected by plowing while soil aggregation did. erythrocyte deformability under shear. Due ... making it possible to measure the erythrocyte deformability and the orientability of the cells. In an ektacytometer erythrocyte ... The stability of soil aggregation (clumps held together by moist clay) and clay dispersion (clay separating in moist soil), the ... Westerhof, R; Buurman, P; van Griethuysen, C; Ayarza, M; Vilela, L; Zech, W (July 1999). "Aggregation studied by laser ...
... which can be discussed under the terms erythrocyte deformability and erythrocyte aggregation. Because of that, blood behaves as ... The influence of aggregation properties on the viscoelasticity diminish and the influence of red cell deformability begins to ... Bingham fluid model takes into account the aggregation of red blood cells at low shear rates. Therefore, it acts as an elastic ... Red blood cell deformation and aggregation is also coupled with flow-induced changes in the arrangement and orientation as a ...
Other related red blood cell properties can include adhesion and aggregation, which along with deformability are often classed ... Erythrocyte fragility refers to the propensity of erythrocytes (red blood cells, RBC) to hemolyse (rupture) under stress. It ... Uses of erythrocyte mechanical fragility can include diagnostic testing, calibrations to aid comparisons of hemolysis caused by ... For example, photons or radicals can induce hemolysis.Erythrocytes/RBC may also be tested for related membrane properties aside ...
Other related red blood cell properties can include adhesion and aggregation, which along with deformability are often classed ... Erythrocyte deformability refers to the ability of erythrocytes (red blood cells, RBC) to change shape under a given level of ... Decreased Erythrocyte Deformability After Transfusion and the Effects of Erythrocyte Storage Duration, Anesth Analg, published ... This viscoelastic behavior of erythrocytes is determined by the following three properties: 1) Geometry of erythrocytes; the ...
Erythrocyte aggregation occurs at low shear rates and implies that to all vessels (with the exception of large veins) the ... effect of aggregation is irrelevant. The interior of a blood vessel includes a near-wall layer of plasma (referred to as ...
... increasing their electronegativity and thus reducing erythrocyte aggregation and platelet adhesiveness. Dextrans also reduce ... The antithrombotic effect of dextran is mediated through its binding of erythrocytes, platelets, and vascular endothelium, ...
... erythrocyte aggregation MeSH G09.188.261.454 - erythrocyte aging MeSH G09.188.261.544 - hematopoiesis MeSH G09.188.261.544.414 ... erythrocyte volume MeSH G09.188.250.313.610 - plasma volume MeSH G09.188.250.340 - erythrocyte deformability MeSH G09.188. ... erythrocyte volume MeSH G09.330.553.400.214.610 - plasma volume MeSH G09.330.553.400.280 - cardiac output MeSH G09.330.553.400. ... erythrocyte count MeSH G09.188.250.161.330.725 - reticulocyte count MeSH G09.188.250.161.595 - leukocyte count MeSH G09.188. ...
The full blood count, erythrocyte sedimentation rate and C reactive protein are normal. Synovial fluid is typically viscous, ... and an aggregation domain. There are 3 consensus sequences for N-glycosylation and 1 chondroitin sulfate substitution site. ...
... erythrocyte aggregation MeSH E01.450.375.230 - erythrocyte indices MeSH E01.450.375.300 - figlu test MeSH E01.450.375.400 - ... erythrocyte count MeSH E01.450.375.107.330.725 - reticulocyte count MeSH E01.450.375.107.595 - leukocyte count MeSH E01.450. ...
... to appropriate biological entities such as erythrocytes or particles made of gelatin or latex for passive aggregation tests. ... When antibodies are used in the preparation, they are bound to the erythrocyte or particles in their Fab regions. Thus the step ... To bind antibodies to cells such as erythrocytes in advance of performing an immunological test such as a complement-fixation ...
W Kadima, L Ogendal, R Bauer, [...] and P Porting: The influence of ionic strength and pH on the aggregation properties of zinc ... Webe Kadima and Dallas L. Rabenstein: A quantitative study of the complexation of cadmium in hemolyzed human erythrocytes by 1H ... W Kadima, A McPherson, M F Dunn and F.A. Jurnak: Characterization of precrystallization aggregation of canavalin by dynamic ... research on a proton nuclear magnetic resonance study of the interaction of cadmium with human erythrocytes together with ...
In 1881 he described platelets as a third element in blood after the erythrocytes and leucocytes. Platelets had been described ... He demonstrated their role in clotting through aggregation and clumping with the formation of thread like structures now known ...
In his study regarding ALS, Dokholyan determined the SOD1 aggregation pathway, and highlighted the occurrence of familial ... He also discovered post-translational modifications of superoxide dismutase (SOD1) in human erythrocytes, and found that ... in human erythrocytes: a possible role in amyotrophic lateral sclerosis". The Journal of Biological Chemistry. 284 (20): 13940- ... and found out that oxidative stress and aging are linked to protein aggregation. Dokholyan described the toxicity of nonnative ...
The disease results from the aggregation of erythrocytes infected by Plasmodium falciparum which have been shown to adhere to ... Infected erythrocytes express the VAR2CSA variant of P. falciparum Erythrocyte Membrane Protein 1 (PfEMP1) which allows them to ... After undergoing these changes in the liver, the parasite is then able to infect erythrocytes in the bloodstream. It can take 7 ... This is because women who are pregnant for the first time generally lack antibodies to VAR2CSA on erythrocytes that have been ...
Its alpha form, also known as vitamin E, has antioxidant properties which results in the inhibition of platelet aggregation. ... Pentoxifylline is methylxanthine derivative that drives vascular dilation and increased erythrocyte flexibility, resulting in ...
F. necrophorum produces hemagglutinin which causes platelet aggregation that can lead to diffuse intravascular coagulation and ... erythrocyte sedimentation rate and white blood cells (notably neutrophils). Platelet count can be low or high. Liver and kidney ...
This may manifest as a hemolytic activity on erythrocytes, leading to this group of toxins being called 'hemolysins'. The cell ... Besides attachment to bacterial proteins, aggregation also inactivates the toxin. This quick inactivation highlights the ...
While aggregation already takes place at normal physiological fibrinogen levels, these tend to increase when an inflammatory ... Erythrocyte sedimentation rate (ESR) is the measure of ability of erythrocytes (red blood cell) to fall through the blood ... The erythrocyte sedimentation rate (ESR or sed rate) is the rate at which red blood cells in anticoagulated whole blood descend ... "Erythrocyte Sedimentation Rate (ESR)". Lab Tests Online. Retrieved 2019-12-23. Miller, A; Green, M; Robinson, D (1983-01-22). " ...
In individuals that have cold agglutinin disease, the lifespan of erythrocytes is shortened. The rate of erythrocyte production ... As a result, the blood of a host applied to a diagnostic kit causes the aggregation of the pathogenic particles due to the ... When erythrocytes are exposed to hemagglutinins (anti-A and Anti-B antibodies), those expressing antigen A or B coagulate upon ... Human erythrocytes have two main types of antigens (Antigen A and B) expressed in different combinations to give either ...
... reduces platelet aggregation as well as fibrinogen concentration, and thus is contraindicated to patients with ... Piracetam has been found to diminish erythrocyte adhesion to vascular wall endothelium, making any vasospasm in the capillary ... Piracetam may facilitate the deformability of erythrocytes in capillary which is useful for cardiovascular disease. Peripheral ...
Erythrocyte flexibility is not affected by normal doses of ancrod. The rheological changes are readily maintained and the ... The substance is intended for subcutaneous injection and intravenous infusion, and indirectly inhibits aggregation, adhesion, ... nor does it produce platelet aggregation nor cause the release of ADP, ATP, potassium, or serotonin from platelets. Platelet ...
Platelet aggregation studies are optional. Serum protein electrophoresis results indicate evidence of a monoclonal spike but ... Chemistry tests include lactate dehydrogenase (LDH) levels, uric acid levels, erythrocyte sedimentation rate (ESR), kidney and ... "Differential characteristics of Waldenström macroglobulinemia according to patterns of familial aggregation". Blood. 115 (22): ...
Recent studies show that tTG may not be involved in AD as studies show it is associated with erythrocyte lysis and is a ... Such neurological diseases are characterized in part by the abnormal aggregation of proteins due to the increased activity of ...
A decreased concentration of oxygen releases ATP from erythrocytes, triggering a propagated calcium wave in the endothelial ... while the P2Y12 receptor is responsible for sustained platelet aggregation through the inhibition of adenylate cyclase and a ... increased intracellular calcium levels and transient platelet aggregation, ...
Calamai M, Canale C, Relini A, Stefani M, Chiti F, Dobson CM (Feb 2005). "Reversal of protein aggregation provides evidence for ... Two isoenzymes have been isolated, called muscle acylphosphatase and erythrocyte acylphosphatase on the basis of their tissue ... "Cloning and expression of the cDNA coding for the erythrocyte isoenzyme of human acylphosphatase". FEBS Letters. 367 (2): 145- ... "Kinetic partitioning of protein folding and aggregation". Nature Structural Biology. 9 (2): 137-143. doi:10.1038/nsb752. PMID ...
The paper was divided into four sections: The aggregation of red blood cells when removed from the body, i.e., which occurs ... Lister performed these experiments to discover the causes of erythrocyte adhesiveness. As well as experimenting on frogs web ... This section deals with the aggregation of the cells of the blood, which occurs during the process of clotting. It shows that ... when blood is removed from the body this aggregation depends on their possessing a certain degree of mutual adhesiveness, which ...
This occurs by blocking the nucleoside transporter (ENT1) through which adenosine enters erythrocyte and endothelial cells. ... Cyclic adenosine monophosphate impairs platelet aggregation and also causes arteriolar smooth muscle relaxation. Chronic ... increasing cellular cAMP levels and blocking the platelet aggregation, response to ADP) and/or cGMP. Dipyridamole inhibits the ...
The phospholipid bilayer is formed due to the aggregation of membrane lipids in aqueous solutions. Aggregation is caused by the ... Erythrocyte membrane plays a crucial role in blood clotting. In the bilayer of red blood cells is phosphatidylserine. This is ... Red blood cells, or erythrocytes, have a unique lipid composition. The bilayer of red blood cells is composed of cholesterol ...