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Prudinnik DS, Kussanova A, Vorobjev IA, Tikhonov A, Ataullakhanov FI, Barteneva NS. Deformability of Heterogeneous Red Blood Cells in Aging and Related Pathologies. Aging Dis 2025:AD.2024.0526. [PMID: 39012672 DOI: 10.14336/ad.2024.0526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Accepted: 06/19/2024] [Indexed: 07/17/2024] Open
Abstract
Aging is interrelated with changes in red blood cell parameters and functionality. In this article, we focus on red blood cells (RBCs) and provide a review of the known changes associated with the characterization of RBC deformability in aging and related pathologies. The biophysical parameters complement the commonly used biochemical parameters and may contribute to a better understanding of the aging process. The power of the deformability measurement approach is well established in clinical settings. Measuring RBCs' deformability has the advantage of relative simplicity, and it reflects the complex effects developing in erythrocytes during aging. However, aging and related pathological conditions also promote heterogeneity of RBC features and have a certain impact on the variance in erythrocyte cell properties. The possible applications of deformability as an early biophysical biomarker of pathological states are discussed, and modulating PIEZO1 as a therapeutic target is suggested. The changes in RBCs' shape can serve as a proxy for deformability evaluation, leveraging single-cell analysis with imaging flow cytometry and artificial intelligence algorithms. The characterization of biophysical parameters of RBCs is in progress in humans and will provide a better understanding of the complex dynamics of aging.
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Affiliation(s)
- Dmitry S Prudinnik
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
| | - Aigul Kussanova
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
| | - Ivan A Vorobjev
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
| | - Alexander Tikhonov
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
| | - Fazly I Ataullakhanov
- Department of Physiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Natasha S Barteneva
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Astana 010000, Kazakhstan
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Pérez-Pacheco A, Ramírez-Chavarría RG, Colín-García MP, Cortés-Ortegón FDC, Quispe-Siccha RM, Martínez‑Tovar A, Olarte‑Carrillo I, Polo-Parada L, Gutiérrez-Juárez G. Study of erythrocyte sedimentation in human blood through the photoacoustic signals analysis. PHOTOACOUSTICS 2024; 37:100599. [PMID: 38495950 PMCID: PMC10940783 DOI: 10.1016/j.pacs.2024.100599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 12/22/2023] [Accepted: 02/26/2024] [Indexed: 03/19/2024]
Abstract
Introduction In this study, we utilized the pulsed photoacoustic (PA) technique to analyze globular sedimentation in whole human blood, with a focus on distinguishing between healthy individuals and those with hemolytic anemia. Methods Blood samples were collected from both healthy individuals (women and men) and those with hemolytic anemia, and temporal and spectral parameters of PA signals were employed for analysis. Results Significant differences (p < 0.05) were observed in PA metrics between the two groups. The proposed spectral analysis allowed significant differentiation within a 25-minute measurement window. Anemic blood samples exhibited higher erythrocyte sedimentation rate (ESR) values, indicating increased erythrocyte aggregation. Discussion This study underscores the potential of PA signal analysis in ESR assessment as an efficient method for distinguishing between healthy and anemic blood, surpassing traditional approaches. It represents a promising contribution to the development of precise and sensitive techniques for analyzing human blood samples in clinical settings.
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Affiliation(s)
- Argelia Pérez-Pacheco
- Unidad de Investigación y Desarrollo Tecnológico (UIDT), Hospital General de México, Dr. Eduardo Liceaga, Ciudad de México 06726, Mexico
| | | | - Marco Polo Colín-García
- Instituto de Ciencias Aplicadas y Tecnología (ICAT), Universidad Nacional Autónoma de México, Apartado Postal 70‑186, Ciudad de México 04510, Mexico
| | - Flor del Carmen Cortés-Ortegón
- Instituto de Ciencias Aplicadas y Tecnología (ICAT), Universidad Nacional Autónoma de México, Apartado Postal 70‑186, Ciudad de México 04510, Mexico
| | - Rosa María Quispe-Siccha
- Unidad de Investigación y Desarrollo Tecnológico (UIDT), Hospital General de México, Dr. Eduardo Liceaga, Ciudad de México 06726, Mexico
| | - Adolfo Martínez‑Tovar
- Laboratorio de Biología Molecular, Servicio de Hematología, Hospital General de México, Dr. Eduardo Liceaga, Ciudad de México 06726, Mexico
| | - Irma Olarte‑Carrillo
- Laboratorio de Biología Molecular, Servicio de Hematología, Hospital General de México, Dr. Eduardo Liceaga, Ciudad de México 06726, Mexico
| | - Luis Polo-Parada
- Department of Medical Pharmacology and Physiology and Dalton Cardiovascular Research Center, University of Missouri, Columbia, MO 65211, USA
| | - Gerardo Gutiérrez-Juárez
- Departamento de Ingeniería Física, División de Ciencias e Ingenierías, Universidad de Guanajuato-Campus León, León, Guanajuato C.P. 37150, Mexico
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Scheim DE, Vottero P, Santin AD, Hirsh AG. Sialylated Glycan Bindings from SARS-CoV-2 Spike Protein to Blood and Endothelial Cells Govern the Severe Morbidities of COVID-19. Int J Mol Sci 2023; 24:17039. [PMID: 38069362 PMCID: PMC10871123 DOI: 10.3390/ijms242317039] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/24/2023] [Accepted: 11/27/2023] [Indexed: 12/18/2023] Open
Abstract
Consistent with well-established biochemical properties of coronaviruses, sialylated glycan attachments between SARS-CoV-2 spike protein (SP) and host cells are key to the virus's pathology. SARS-CoV-2 SP attaches to and aggregates red blood cells (RBCs), as shown in many pre-clinical and clinical studies, causing pulmonary and extrapulmonary microthrombi and hypoxia in severe COVID-19 patients. SARS-CoV-2 SP attachments to the heavily sialylated surfaces of platelets (which, like RBCs, have no ACE2) and endothelial cells (having minimal ACE2) compound this vascular damage. Notably, experimentally induced RBC aggregation in vivo causes the same key morbidities as for severe COVID-19, including microvascular occlusion, blood clots, hypoxia and myocarditis. Key risk factors for COVID-19 morbidity, including older age, diabetes and obesity, are all characterized by markedly increased propensity to RBC clumping. For mammalian species, the degree of clinical susceptibility to COVID-19 correlates to RBC aggregability with p = 0.033. Notably, of the five human betacoronaviruses, the two common cold strains express an enzyme that releases glycan attachments, while the deadly SARS, SARS-CoV-2 and MERS do not, although viral loads for COVID-19 and the two common cold infections are similar. These biochemical insights also explain the previously puzzling clinical efficacy of certain generics against COVID-19 and may support the development of future therapeutic strategies for COVID-19 and long COVID patients.
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Affiliation(s)
- David E Scheim
- US Public Health Service, Commissioned Corps, Inactive Reserve, Blacksburg, VA 24060, USA
| | - Paola Vottero
- Department of Biomedical Engineering, University of Alberta, Edmonton, AB T6G 1Z2, Canada
| | - Alessandro D Santin
- Department of Obstetrics, Gynecology & Reproductive Sciences, Yale School of Medicine, P.O. Box 208063, New Haven, CT 06520, USA
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Doltchinkova V, Lozanova S, Rukova B, Nikolov R, Ivanova E, Roumenin C. Electrokinetic properties of healthy and β-thalassemia erythrocyte membranes under in vitro exposure to static magnetic field. Front Chem 2023; 11:1197210. [PMID: 37927566 PMCID: PMC10620691 DOI: 10.3389/fchem.2023.1197210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 09/18/2023] [Indexed: 11/07/2023] Open
Abstract
Introduction: The current understanding of the biological impacts of a static magnetic field (SMF) is restricted to the direct interactions of the magnetic field with biological membranes. The electrokinetic (zeta) potential is an electrochemical property of erythrocyte surfaces which was negatively charged in physiological media after SMF exposure (0.1‒2.0 T). Methods: The novel data about electrokinetic parameters of the erythrocytes is determined by microelectrophoresis after SMF-exposure in norm and heterozygous β-thalassemia. The methods of light scattering, lipid peroxidation, fluorescence microscopy are used. Results: The electrokinetic potential of erythrocytes in norm is increased after SMF intensities due to enhanced negatively exposed charges on the outer surface of the membrane accompanied by an increase in light scattering where changes in cell morphology are observed. Conversely, a decrease in the zeta potential of β-thalassemia erythrocytes upon SMF-treatment was determined because of the reduction in the surface electrical charge of the membranes, where a significant decrease in light scattering at 1.5 T and 2.0 T was recorded. Exposure to SMF (0.5-2.0 T) was associated with an increase in the malondialdehyde content in erythrocytes. Biophysical studies regarding the influence of SMF on the electrostatic free energy of cells shows an increase in negative values in healthy erythrocytes, which corresponds to the implementation of a spontaneous process. This is also the process in β-thalassemia cells after SMF exposure with lower negative values of free electrostatic energy than erythrocytes in norm. Discussion: The effect of static magnetic field (SMF 0.1-2.0 T) on the electrokinetic and morphological characteristics of erythrocytes in norm and β-thalassemia is determined and correlated with the increase/reduction in surface charge and shrinkage/swelling of the cells, respectively. Lipid peroxidation of healthy and β-thalassemia erythrocytes caused an enhancement of lipid peroxidation because of the higher concentrations of TBARS products in cellular suspension. SMF (0.1‒2.0 T) altered the spontaneous chemical processes with negative values of electrostatic free energy of erythrocytes in norm and β-thalassemia accompanied by a lower FITC-Concanavalin A binding affinity to membrane receptors (SMF 2.0 T). The electrokinetic properties of human erythrocytes in norm and β-thalassemia upon SMF treatment and their interrelationship with the structural-functional state of the membrane were reported. The presented work would have future fundamental applications in biomedicine.
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Affiliation(s)
- Virjinia Doltchinkova
- Department of Biophysics and Radiobiology, Faculty of Biology, Sofia University “St. Kliment Ohridski”, Sofia, Bulgaria
| | - Siya Lozanova
- Institute of Robotics “St. Ap. and Gospeller Matthew”, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - Blaga Rukova
- Department of Medical Genetics, Medical University of Sofia, Sofia, Bulgaria
| | - Rumin Nikolov
- Faculty of Mechanical Engineering, Technical University, Sofia, Bulgaria
| | - Elitsa Ivanova
- Department of Biophysics and Radiobiology, Faculty of Biology, Sofia University “St. Kliment Ohridski”, Sofia, Bulgaria
| | - Chavdar Roumenin
- Institute of Robotics “St. Ap. and Gospeller Matthew”, Bulgarian Academy of Sciences, Sofia, Bulgaria
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Bosek M, Wybranowski T, Napiórkowska-Mastalerz M, Pyskir J, Cyrankiewicz M, Pyskir M, Pilaczyńska-Cemel M, Szołna-Chodór A, Wrembel M, Kruszewski S, Przybylski G. The Impact of COVID-19 on Cellular Factors Influencing Red Blood Cell Aggregation Examined in Dextran: Possible Causes and Consequences. Int J Mol Sci 2023; 24:14952. [PMID: 37834401 PMCID: PMC10573242 DOI: 10.3390/ijms241914952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/02/2023] [Accepted: 10/03/2023] [Indexed: 10/15/2023] Open
Abstract
Several studies have indicated that COVID-19 can lead to alterations in blood rheology, including an increase in red blood cell aggregation. The precise mechanisms behind this phenomenon are not yet fully comprehended. The latest findings suggest that erythrocyte aggregation significantly influences microcirculation, causes the formation of blood clots in blood vessels, and even damages the endothelial glycocalyx, leading to endothelial dysfunction. The focus of this research lies in investigating the cellular factors influencing these changes in aggregation and discussing potential causes and implications in the context of COVID-19 pathophysiology. For this purpose, the aggregation of erythrocytes in a group of 52 patients with COVID-19 pneumonia was examined in a 70 kDa Dextran solution, which eliminates the influence of plasma factors. Using image analysis, the velocities and sizes of the formed aggregates were investigated, determining their porosity. This study showed that the process of erythrocyte aggregation in COVID-19 patients, independent of plasma factors, leads to the formation of more compact, denser, three-dimensional aggregates. These aggregates may be less likely to disperse under circulatory shear stress, increasing the risk of thrombotic events. This study also suggests that cellular aggregation factors can be responsible for the thrombotic disorders observed long after infection, even when plasma factors have normalized. The results and subsequent broad discussion presented in this study can contribute to a better understanding of the potential complications associated with increased erythrocyte aggregation.
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Affiliation(s)
- Maciej Bosek
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (M.B.)
| | - Tomasz Wybranowski
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (M.B.)
| | - Marta Napiórkowska-Mastalerz
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (M.B.)
| | - Jerzy Pyskir
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (M.B.)
| | - Michał Cyrankiewicz
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (M.B.)
| | - Małgorzata Pyskir
- Department of Rehabilitation, Faculty of Health Sciences, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland;
| | - Marta Pilaczyńska-Cemel
- Department of Lung Diseases, Neoplasms and Tuberculosis, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland
| | - Alicja Szołna-Chodór
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (M.B.)
| | - Mateusz Wrembel
- Department of Lung Diseases, Neoplasms and Tuberculosis, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland
| | - Stefan Kruszewski
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (M.B.)
| | - Grzegorz Przybylski
- Department of Lung Diseases, Neoplasms and Tuberculosis, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland
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Fine I, Kaminsky A, Shenkman L, Agbaria M. Non-invasive method for assessment of inflammation. BIOMEDICAL OPTICS EXPRESS 2023; 14:4901-4913. [PMID: 37791253 PMCID: PMC10545212 DOI: 10.1364/boe.494637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 08/08/2023] [Accepted: 08/21/2023] [Indexed: 10/05/2023]
Abstract
This article explores the potential of non-invasive measurement for elevated levels of erythrocyte aggregation in vivo, which have been correlated with a higher risk of inflammatory processes. The study proposes utilizing a dynamic light scattering approach to measure aggregability. The sensor modules, referred to as "mDLS," comprise VCSEL and two photodiodes. Two of these modules are placed on an inflatable transparent cuff, which is then fitted to the subject's finger root, with one sensor module positioned on each side. By temporarily halting blood flow for one minute using over-systolic inflation of the cuff, signals from both sensors are recorded. The study involved three distinct groups of subjects: a control group consisting of 65 individuals, a group of 29 hospitalized COVID-19 patients, and a group of 34 hospitalized patients with inflammatory diseases. Through experimental results, significant differences in signal kinetic behavior were observed between the control group and the two other groups. These differences were attributed to the rate of red blood cell (RBC) aggregation, which is closely associated with inflammation. Overall, the study emphasizes the potential of non-invasive diagnostic tools in evaluating inflammatory processes by analyzing RBC aggregation.
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Affiliation(s)
- I. Fine
- Elfi-Tech Ltd., 2 Prof. Bergman St., Science Park, 76705 Rehovot, Israel
| | - A. Kaminsky
- Elfi-Tech Ltd., 2 Prof. Bergman St., Science Park, 76705 Rehovot, Israel
| | - L. Shenkman
- Elfi-Tech Ltd., 2 Prof. Bergman St., Science Park, 76705 Rehovot, Israel
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Marcinkowska-Gapińska A, Siemieniak I, Kawałkiewicz W, Stieler O, Hojan-Jezierska D, Kubisz L. Interdependence of Rheological and Biochemical Parameters of Blood in a Group of Patients with Clinically Silent Multifocal Vascular Cerebral Lesions. Biomedicines 2023; 11:2063. [PMID: 37509703 PMCID: PMC10376949 DOI: 10.3390/biomedicines11072063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/13/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Hemorheology is a field of science which often becomes interesting to researchers studying impairments related to blood flow disturbances. Clinically silent vascular cerebral lesions (CSVCLs) are considered a problem of great importance in neurology. OBJECTIVE This work aimed to analyze the interdependencies of the rheological and biochemical parameters of the blood. METHODS The group of patients included persons with clinically silent multifocal vascular cerebral lesions diagnosed using neuroimaging. The control group had no symptoms in the central nervous system (CNS). We analyzed hemorheological profiles in 69 patients with CSVCLs diagnosed via magnetic resonance imaging (MR) or 64-row computer tomography measurements. Rheological data were acquired using a rotary-oscillating rheometer, the Contraves LS-40, an instrument dedicated to blood viscosity measurements. For each sample, the hematocrit value was measured using the standard method. Analysis of erythrocytes' aggregability and deformability was performed using the rheological model of Quemada. Biochemical tests of blood were also performed. RESULTS The results of rheological and biochemical studies were compared with those obtained in the control group. Special attention was paid to the correlation analysis of rheological and biochemical parameters. CONCLUSIONS Such correlations were found, e.g., between the red cells' deformability and the fibrinogen level. The results improve our understanding of blood flow hemodynamics by analyzing the shear-dependent behavior of the aggregation and deformability of red blood cells.
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Affiliation(s)
| | - Izabela Siemieniak
- Rheological Laboratory, Department of Neurology, Poznan University of Medical Sciences, 61-701 Poznań, Poland
| | - Weronika Kawałkiewicz
- Department of Biophysics, Poznan University of Medical Sciences, 61-701 Poznań, Poland
| | - Olgierd Stieler
- Department of Hearing Healthcare Profession, Poznan University of Medical Sciences, 61-701 Poznań, Poland
| | - Dorota Hojan-Jezierska
- Department of Hearing Healthcare Profession, Poznan University of Medical Sciences, 61-701 Poznań, Poland
| | - Leszek Kubisz
- Department of Biophysics, Poznan University of Medical Sciences, 61-701 Poznań, Poland
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8
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Higuchi M, Sekiba Y, Watanabe N. Novel blood typing method by discrimination of hemagglutination and rouleaux using an erythrocyte aggregometer. Clin Hemorheol Microcirc 2023:CH221651. [PMID: 37005880 DOI: 10.3233/ch-221651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
Abstract
BACKGROUND: In pretransfusion blood typing, pretreatments such as centrifugation and suspension of red blood cells (RBCs) and mixing them with sufficient amounts of reagents are required, but these steps are time-consuming and costly. OBJECTIVE: Aiming to develop a new blood typing method that requires no dilution and only a small amount of reagent, we attempted to determine blood type using syllectometry, an easy-to-use and rapid optical method for measuring the RBC aggregation that occurs when blood flow is abruptly stopped in a flow channel. METHODS: Samples of whole blood from 20 healthy participants were mixed with antibody reagents for blood typing at mixing ratios of 2.5% to 10% and measured with a syllectometry device. RESULTS: Amplitude (AMP), one of the aggregation parameters, showed significant differences between agglutination and non-agglutination samples at mixing ratios from 2.5% to 10%. Although there were significant individual differences in aggregation parameters, calculation of AMP relative to that of blood before reagent mixing reduced the individual differences and enabled determination of blood type in all participants. CONCLUSIONS: This new method enables blood typing with a small amount of reagent, without the time-consuming and labor-intensive pretreatments such as centrifugation and suspension of RBCs.
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Affiliation(s)
- Makoto Higuchi
- Functional Control Systems Course, Graduate School of Engineering and Science, Shibaura Institute of Technology, Minuma-ku, Saitama-shi, Saitama, Japan
- Ogino Memorial Laboratory, Nihon Kohden Corporation, Tokorozawa shi, Saitama, Japan
| | - Yasuhiro Sekiba
- Systems Engineering and Science Course, Graduate School of Engineering and Science, Shibaura Institute of Technology, Minuma-ku, Saitama-shi, Saitama, Japan
| | - Nobuo Watanabe
- Functional Control Systems Course, Graduate School of Engineering and Science, Shibaura Institute of Technology, Minuma-ku, Saitama-shi, Saitama, Japan
- Systems Engineering and Science Course, Graduate School of Engineering and Science, Shibaura Institute of Technology, Minuma-ku, Saitama-shi, Saitama, Japan
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Lee CA, Farooqi HMU, Paeng DG. Axial shear rate: A hemorheological factor for erythrocyte aggregation under Womersley flow in an elastic vessel based on numerical simulation. Comput Biol Med 2023; 157:106767. [PMID: 36933414 DOI: 10.1016/j.compbiomed.2023.106767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 02/17/2023] [Accepted: 03/07/2023] [Indexed: 03/18/2023]
Abstract
Erythrocyte aggregation (EA) is a highly dynamic, vital phenomenon to interpreting human hemorheology, which would be helpful for the diagnosis and prediction of circulatory anomalies. Previous studies of EA on erythrocyte migration and the Fåhraeus Effect are based on the microvasculature. They have not considered the natural pulsatility of the blood flow or large vessels and mainly focused on shear rate along radial direction under steady flow to comprehend the dynamic properties of EA. To our knowledge, the rheological characteristics of non-Newtonian fluids under Womersley flow have not reflected the spatiotemporal behaviors of EA or the distribution of erythrocyte dynamics (ED). Hence, it needs to interpret the ED affected by temporal and spatial flow variation to understand the effect of EA under Womersley flow. Here, we demonstrated the numerically simulated ED to decipher EA's rheological role in axial shear rate under Womersley flow. In the present study, the temporal and spatial variations of the local EA were found to mainly depend on the axial shear rate under Womersley flow in an elastic vessel, while mean EA decreased with radial shear rate. The localized distribution of parabolic or M-shape clustered EA was found in a range of the axial shear rate profile (-15 to 15s-1) at low radial shear rates during a pulsatile cycle. However, the linear formation of rouleaux was realized without local clusters in a rigid wall where the axial shear rate is zero. In vivo, the axial shear rate is usually considered insignificant, especially in straight arteries, but it has a great impact on the disturbed blood flow due to the geometrical properties, such as bifurcations, stenosis, aneurysm, and the cyclic variation of pressure. Our findings regarding axial shear rate provide new insight into the local dynamic distribution of EA, which is a critical player in blood viscosity. These will provide a basis for the computer-aided diagnosis of hemodynamic-based cardiovascular diseases by decreasing the uncertainty in the pulsatile flow calculation.
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Affiliation(s)
- Cheong-Ah Lee
- Department of Ocean System Engineering, Jeju National University, Jeju-do, Republic of Korea
| | | | - Dong-Guk Paeng
- Department of Ocean System Engineering, Jeju National University, Jeju-do, Republic of Korea.
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Maung Ye SS, Kim S. A mechanistic model of cross-bridge migration in RBC aggregation and disaggregation. Front Bioeng Biotechnol 2022; 10:1049878. [PMID: 36561046 PMCID: PMC9763627 DOI: 10.3389/fbioe.2022.1049878] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 11/21/2022] [Indexed: 12/12/2022] Open
Abstract
Red blood cells (RBCs) clump together under low flow conditions in a process called RBC aggregation, which can alter RBC perfusion in a microvascular network. As elevated RBC aggregation is commonly associated with cardiovascular and inflammatory diseases, a better understanding of aggregation is essential. Unlike RBC aggregation in polymer solutions which can be well explained by polymer depletion theory, plasma-mediated RBC aggregation has features that best match explanations with cross-bridging mechanisms. Previous studies have demonstrated the dominant role of fibrinogen (Fg) in promoting aggregate formation and recent cell-force spectroscopy (CFS) experiments on interacting RBC doublets in plasma have reported an inverse relationship between disaggregation force and the adhesive contact area between RBCs. This has led investigators to revisit the hypothesis of inter-RBC cross-bridging which involves cross-bridge migration under interfacial tension during the forced disaggregation of RBC aggregates. In this study, we developed the cross-bridge migration model (CBMM) in plasma that mechanistically represents the migrating cross-bridge hypothesis. Transport of mobile Fg cross-bridges (mFg) was calculated using a convection-diffusion transport equation with our novel introduction of convective cross-bridge drift that arises due to intercellular friction. By parametrically transforming the diffusivity of mFg in the CBMM, we were able to match experimental observations of both RBC doublet formation kinematics and RBC doublet disaggregation forces under optical tweezers tension. We found that non-specific cross-bridging promotes spontaneous growth of adhesion area between RBC doublets whereas specific cross-bridging tends to prevent adhesion area growth. Our CBMM was also able to correlate Fg concentration shifts from healthy population blood plasma to SLE (lupus) condition blood plasma with the observed increase in doublet disaggregation forces for the RBC doublets in SLE plasma.
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Bizjak DA, John L, Matits L, Uhl A, Schulz SVW, Schellenberg J, Peifer J, Bloch W, Weiß M, Grüner B, Bracht H, Steinacker JM, Grau M. SARS-CoV-2 Altered Hemorheological and Hematological Parameters during One-Month Observation Period in Critically Ill COVID-19 Patients. Int J Mol Sci 2022; 23:15332. [PMID: 36499657 PMCID: PMC9735540 DOI: 10.3390/ijms232315332] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 11/24/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
Hematological and hemorheological parameters are known to be altered in COVID-19; however, the value of combined monitoring in order to deduce disease severity is only scarcely examined. A total of 44 acute SARS-CoV-2-infected patients (aCOV) and 44 age-matched healthy controls (Con) were included. Blood of aCOV was sampled at admission (T0), and at day 2 (T2), day 5 (T5), day 10 (T10), and day 30 (T30) while blood of Con was only sampled once. Inter- and intra-group differences were calculated for hematological and hemorheological parameters. Except for mean cellular volume and mean cellular hemoglobin, all blood cell parameters were significantly different between aCOV and Con. During the acute disease state (T0-T5), hematological and hemorheological parameters were highly altered in aCOV; in particular, anemic conditions and increased immune cell response/inflammation, oxidative/nitrosative stress, decreased deformability, as well as increased aggregation, were observed. During treatment and convalescence until T30, almost all abnormal values of aCOV improved towards Con values. During the acute state of the COVID-19 disease, the hematological, as well as the hemorheological system, show fast and potentially pathological changes that might contribute to the progression of the disease, but changes appear to be largely reversible after four weeks. Measuring RBC deformability and aggregation, as well as oxidative stress induction, may be helpful in monitoring critically ill COVID-19 patients.
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Affiliation(s)
| | - Lucas John
- Division of Sports and Rehabilitation Medicine, University Hospital Ulm, 89075 Ulm, Germany
| | - Lynn Matits
- Division of Sports and Rehabilitation Medicine, University Hospital Ulm, 89075 Ulm, Germany
- Clinical & Biological Psychology, Institute of Psychology and Education, Ulm University, 89081 Ulm, Germany
| | - Alisa Uhl
- Division of Sports and Rehabilitation Medicine, University Hospital Ulm, 89075 Ulm, Germany
| | | | - Jana Schellenberg
- Division of Sports and Rehabilitation Medicine, University Hospital Ulm, 89075 Ulm, Germany
| | - Johannes Peifer
- Central Emergency Services, University Hospital Ulm, 89081 Ulm, Germany
| | - Wilhelm Bloch
- Institute of Cardiovascular Research and Sports Medicine, Molecular and Cellular Sports Medicine, German Sport University Cologne, 50933 Cologne, Germany
| | - Manfred Weiß
- Clinic for Anaesthesiology and Intensive Care Medicine, University Hospital Medical School, 89081 Ulm, Germany
| | - Beate Grüner
- Department of Internal Medicine III, Division of Infectious Diseases, University Hospital Ulm, 89081 Ulm, Germany
| | - Hendrik Bracht
- Central Emergency Services, University Hospital Ulm, 89081 Ulm, Germany
| | | | - Marijke Grau
- Institute of Cardiovascular Research and Sports Medicine, Molecular and Cellular Sports Medicine, German Sport University Cologne, 50933 Cologne, Germany
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12
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Weber-Fishkin S, Seidner HS, Gunter G, Frame MD. Erythrocyte aggregation in sudden flow arrest is linked to hyperthermia, hypoxemia, and band 3 availability. J Thromb Haemost 2022; 20:2284-2292. [PMID: 35841276 DOI: 10.1111/jth.15821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 07/11/2022] [Accepted: 07/13/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Erythrocyte aggregation is a phenomenon that is commonly found in several pathological disease states: stroke, myocardial infarction, thermal burn injury, and COVID-19. Erythrocyte aggregation is characterized by rouleaux, closely packed stacks of cells, forming three-dimensional structures. Healthy blood flow monodisperses the red blood cells (RBCs) throughout the vasculature; however, in select pathological conditions, involving hyperthermia and hypoxemia, rouleaux formation remains and results in occlusion of microvessels with decreased perfusion. OBJECTIVES Our objective is to address the kinetics of rouleaux formation with sudden cessation of flow in variable temperature and oxygen conditions. METHODS RBCs used in this in vitro system were obtained from healthy human donors. Using a vertical stop-flow system aligned with a microscope, images were acquired and analyzed for increased variation in grayscale to indicate increased aggregation. The onset of aggregation after sudden cessation of flow was determined at proscribed temperatures (37-49°C) and oxygen (0%, 10%), and in the presence and absence of 4, 4'-Diisothiocyano-2,2'-stilbenedisulfonic acid (DIDS). Both autologous and homologous plasma were tested. RESULTS RBCs in autologous plasma aggregate faster and with a higher magnitude with both hyperthermia and hypoxemia. Preventing deoxyhemoglobin from binding to band 3 with DIDS (dissociates the cytoskeleton from the membrane) fully blocks aggregation. Further, RBC aggregation magnitude is greater in autologous plasma. CONCLUSIONS We show that the C-terminal domain of band 3 plays a pivotal role in RBC aggregation. Further, aggregation is enhanced by hyperthermia and hypoxemia.
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Affiliation(s)
- Samantha Weber-Fishkin
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York, USA
| | - Harrison S Seidner
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York, USA
| | - Geoffrey Gunter
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York, USA
| | - Mary D Frame
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York, USA
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13
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A rapid and accurate method for estimating the erythrocyte sedimentation rate using a hematocrit-corrected optical aggregation index. PLoS One 2022; 17:e0270977. [PMID: 35819942 PMCID: PMC9275726 DOI: 10.1371/journal.pone.0270977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Accepted: 06/21/2022] [Indexed: 11/28/2022] Open
Abstract
Although both the erythrocyte sedimentation rate (ESR) and optically measured erythrocyte aggregation parameters are affected by the hematocrit, this interaction is not considered by the method used to estimate ESR that considers aggregation parameters. In this study, we investigated the relationship between the ESR obtained by the Westergren method and that obtained with an aggregation parameter, namely, the aggregation index (AI) of multiple hematocrit values and fibrinogen-spiked samples with an analysis time of 5–60 s, and attempted to develop a rapid and accurate ESR estimation method. The AIs obtained from 5- and 10-s optical measurements with a fixed hematocrit were highly correlated with the erythrocyte sedimentation velocity. Furthermore, the rate of the AI increase with an increasing hematocrit was not significantly affected by the fibrinogen concentration at these measurement times. On the basis of these results, we defined the hematocrit-corrected aggregation index (HAI). The exponential function of the HAI obtained from the 5-s measurement agreed well with the sedimentation velocity calculated to eliminate the effect of hindered settling, and the HAI and hematocrit could be used to calculate the time constant of the sedimentation curve with a linear regression equation. The ESR value at 1 h was calculated based on the modified Stokes’ law and the HAI obtained from the 5-s measurement and showed an excellent correlation (R = 0.966) with the ESR value obtained by the Westergren method over a wide range of hematocrit and fibrinogen concentrations.
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14
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Han L, Guo M, Wang B, Meng Q, Zhu J, Huang Q, Zhang Z, Fang X, Yang K, Wu S, Zheng Z, Yawalkar N, Deng H, Yan K. Sex-differential downregulation of methotrexate on plasma viscosity and whole blood viscosity in psoriasis. Clin Hemorheol Microcirc 2022; 81:305-314. [PMID: 35466929 DOI: 10.3233/ch-211343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND: Psoriasis is associated with an increased risk for cardiovascular disease (CVD). Methotrexate (MTX) is often used as a first-line system therapy and there is a need to determine its effect on whole blood viscosity (WBV) and plasma viscosity (PV) in psoriasis. METHODS A prospective, single-center, interventional study with a total of 111 psoriatic patients who received MTX therapy from October 22, 2018, to December 28, 2019, and 111 age- and sex-matched healthy controls. Changes in WBV, PV, blood counts, liver and renal function were evaluated. RESULTS Psoriatic patients had significantly higher levels of WBV and relative viscosity (RV) at low shear rate (LSR), erythrocyte aggregation index (EAI), and PV than sex and age-matched healthy controls. PV was positively correlated with erythrocyte sedimentation rate (ESR), ESR was positively correlated with high sensitive C-reactive protein (hCRP). But only hCRP was positively associated with psoriasis area severity index (PASI) score. MTX significantly decreased the levels of PV, ESR, hCRP, and blood pressure (BP) in male patients, and the level of WBV in female patients. CONCLUSION: Sex-specific downregulation of MTX on WBV, PV, hCRP, and BP, indicating that the effect of MTX on the risk of cardiovascular disease was related with sex.
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Affiliation(s)
- Ling Han
- Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Meiliang Guo
- Department of Dermatology, Shanghai Jiaotong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Bing Wang
- Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Qinqin Meng
- Department of Dermatology, Shanghai Jiaotong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Jie Zhu
- Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Qiong Huang
- Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhenghua Zhang
- Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Xu Fang
- Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Ke Yang
- Department of Information, Huashan Hospital, Fudan University, Shanghai, China
| | - Siyuan Wu
- Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhizhong Zheng
- Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Nikhil Yawalkar
- Department of Dermatology, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Hui Deng
- Department of Dermatology, Shanghai Jiaotong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Kexiang Yan
- Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
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15
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Kaur K, Kaur A, Kaur A. Erythrocyte Sedimentation Rate: Its Determinants and Relationship with Risk Factors Involved in Ischemic Stroke. KOREAN JOURNAL OF CLINICAL LABORATORY SCIENCE 2022. [DOI: 10.15324/kjcls.2022.54.1.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Kirandeep Kaur
- Department of Human Genetics, Guru Nanak Dev University, Amritsar, Punjab India
| | - Amandeep Kaur
- Department of Viral Research and Diagnostic Laboratory, Amritsar, Punjab India
| | - Anupam Kaur
- Department of Human Genetics, Guru Nanak Dev University, Amritsar, Punjab India
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16
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Nader E, Nougier C, Boisson C, Poutrel S, Catella J, Martin F, Charvet J, Girard S, Havard‐Guibert S, Martin M, Rezigue H, Desmurs‐Clavel H, Renoux C, Joly P, Guillot N, Bertrand Y, Hot A, Dargaud Y, Connes P. Increased blood viscosity and red blood cell aggregation in patients with COVID-19. Am J Hematol 2022; 97:283-292. [PMID: 34939698 DOI: 10.1002/ajh.26440] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 12/09/2021] [Accepted: 12/15/2021] [Indexed: 12/11/2022]
Abstract
The aim of this study was to (1) analyze blood viscosity, red blood cell (RBC) deformability, and aggregation in hospitalized patients with Coronavirus disease 19 (COVID-19); (2) test the associations between impaired blood rheology and blood coagulation; and (3) test the associations between impaired blood rheology and several indicators of clinical severity. A total of 172 patients with COVID-19, hospitalized in COVID-unit of the Internal Medicine Department (Lyon, France) participated in this study between January and May 2021. Clinical parameters were collected for each patient. Routine hematological/biochemical parameters, blood viscosity, RBC deformability and aggregation, and RBC senescence markers were measured on the first day of hospitalization. A control group of 38 healthy individuals was constituted to compare the blood rheological and RBC profile. Rotational thromboelastography was performed in 76 patients to study clot formation dynamics. Our study demonstrated that patients with COVID-19 had increased blood viscosity despite lower hematocrit than healthy individuals, as well as increased RBC aggregation. In-vitro experiments demonstrated a strong contribution of plasma fibrinogen in this RBC hyper-aggregation. RBC aggregation correlated positively with clot firmness, negatively with clot formation time, and positively with the length of hospitalization. Patients with oxygen supplementation had higher RBC aggregation and blood viscosity than those without, and patients with pulmonary lesions had higher RBC aggregation and enhanced coagulation than those without. This study is the first to demonstrate blood hyper-viscosity and RBC hyper-aggregation in a large cohort of patients with COVID-19 and describe associations with enhanced coagulation and clinical outcomes.
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Affiliation(s)
- Elie Nader
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell Université Claude Bernard Lyon 1 Villeurbanne France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
| | - Christophe Nougier
- Laboratoire d'Hématologie, Groupement Hospitalier Est Hospices Civils de Lyon Lyon France
| | - Camille Boisson
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell Université Claude Bernard Lyon 1 Villeurbanne France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
- Service de Biochimie et Biologie Moléculaire, Centre de Biologie et de Pathologie Est Hospices Civils de Lyon Lyon France
| | - Solene Poutrel
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell Université Claude Bernard Lyon 1 Villeurbanne France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
- Service de Médecine Interne, Hôpital Edouard Herriot Hospices Civils de Lyon Lyon France
| | - Judith Catella
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell Université Claude Bernard Lyon 1 Villeurbanne France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
- Service de Médecine Interne, Hôpital Edouard Herriot Hospices Civils de Lyon Lyon France
| | - Fiona Martin
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell Université Claude Bernard Lyon 1 Villeurbanne France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
| | - Juliette Charvet
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell Université Claude Bernard Lyon 1 Villeurbanne France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
| | - Sandrine Girard
- Laboratoire d'Hématologie, Groupement Hospitalier Est Hospices Civils de Lyon Lyon France
| | - Salomé Havard‐Guibert
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell Université Claude Bernard Lyon 1 Villeurbanne France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
| | - Marie Martin
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell Université Claude Bernard Lyon 1 Villeurbanne France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
| | - Hamdi Rezigue
- Laboratoire d'Hématologie, Groupement Hospitalier Est Hospices Civils de Lyon Lyon France
| | - Helene Desmurs‐Clavel
- Service de Médecine Interne, Hôpital Edouard Herriot Hospices Civils de Lyon Lyon France
- GEMMAT, Groupe d'Etude Multidisciplinaire en Maladies Thrombotiques, Lyon, France 4 Service de Medecine Intensive Reanimation Hopital Edouard Herriot Lyon France
| | - Céline Renoux
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell Université Claude Bernard Lyon 1 Villeurbanne France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
- Service de Biochimie et Biologie Moléculaire, Centre de Biologie et de Pathologie Est Hospices Civils de Lyon Lyon France
| | - Philippe Joly
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell Université Claude Bernard Lyon 1 Villeurbanne France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
- Service de Biochimie et Biologie Moléculaire, Centre de Biologie et de Pathologie Est Hospices Civils de Lyon Lyon France
| | - Nicolas Guillot
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell Université Claude Bernard Lyon 1 Villeurbanne France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
| | - Yves Bertrand
- Institut d'Hématologique et d'Oncologique Pédiatrique Hospices Civils de Lyon Lyon France
| | - Arnaud Hot
- Service de Médecine Interne, Hôpital Edouard Herriot Hospices Civils de Lyon Lyon France
| | - Yesim Dargaud
- Laboratoire d'Hématologie, Groupement Hospitalier Est Hospices Civils de Lyon Lyon France
- GEMMAT, Groupe d'Etude Multidisciplinaire en Maladies Thrombotiques, Lyon, France 4 Service de Medecine Intensive Reanimation Hopital Edouard Herriot Lyon France
- Unite d'Hemostase Clinique Hopital Cardiologique Louis Pradel, Lyon, France 6 UR4609 Hemostase & Thrombose Universite Claude Bernard Lyon 1 Lyon France
- UR4609 Hemostase & Thrombose Universite Claude Bernard Lyon 1 Lyon France
| | - Philippe Connes
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Team Vascular Biology and Red Blood Cell Université Claude Bernard Lyon 1 Villeurbanne France
- Laboratoire d'Excellence du Globule Rouge (Labex GR‐Ex) PRES Sorbonne Paris France
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17
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Darras A, Dasanna AK, John T, Gompper G, Kaestner L, Fedosov DA, Wagner C. Erythrocyte Sedimentation: Collapse of a High-Volume-Fraction Soft-Particle Gel. PHYSICAL REVIEW LETTERS 2022; 128:088101. [PMID: 35275655 DOI: 10.1103/physrevlett.128.088101] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 01/21/2022] [Indexed: 06/14/2023]
Abstract
The erythrocyte sedimentation rate is one of the oldest medical diagnostic methods whose physical mechanisms remain debatable today. Using both light microscopy and mesoscale cell-level simulations, we show that erythrocytes form a soft-particle gel. Furthermore, the high volume fraction of erythrocytes, their deformability, and weak attraction lead to unusual properties of this gel. A theoretical model for the gravitational collapse is developed, whose predictions are in agreement with detailed macroscopic measurements of the interface velocity.
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Affiliation(s)
- Alexis Darras
- Experimental Physics, Saarland University, 66123 Saarbruecken, Germany
| | - Anil Kumar Dasanna
- Theoretical Physics of Living Matter, Institute of Biological Information Processing and Institute for Advanced Simulation, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - Thomas John
- Experimental Physics, Saarland University, 66123 Saarbruecken, Germany
| | - Gerhard Gompper
- Theoretical Physics of Living Matter, Institute of Biological Information Processing and Institute for Advanced Simulation, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - Lars Kaestner
- Experimental Physics, Saarland University, 66123 Saarbruecken, Germany
- Theoretical Medicine and Biosciences, Saarland University, 66424 Homburg, Germany
| | - Dmitry A Fedosov
- Theoretical Physics of Living Matter, Institute of Biological Information Processing and Institute for Advanced Simulation, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - Christian Wagner
- Experimental Physics, Saarland University, 66123 Saarbruecken, Germany
- Department of Physics and Materials Science, University of Luxembourg, L-1511, Luxembourg City, Luxembourg
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18
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Barshtein G, Zelig O, Gural A, Arbell D, Yedgar S. Determination of red blood cell adhesion to vascular endothelial cells: A critical role for blood plasma. Colloids Surf B Biointerfaces 2021; 210:112226. [PMID: 34836705 DOI: 10.1016/j.colsurfb.2021.112226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/27/2021] [Accepted: 11/14/2021] [Indexed: 10/19/2022]
Abstract
Red blood cell (RBC) adhesion to vascular endothelial cells (EC) is considered a potent effector of circulatory disorders, and its enhancement is implicated in the pathophysiology of numerous conditions, mainly hemoglobinopathies. The actual RBC/EC interaction is determined by both cellular and plasmatic factors, and the differentiation between them is essential for understanding its physiological implications. Yet, RBC/EC adhesion has been studied predominantly in protein-free media. To explore the plasma contribution to RBC/EC adhesion, we examined the adhesion of human RBC to human vascular endothelial cells in the presence of fresh frozen plasma (FFP) and compared it to that in a protein-free phosphate-buffered saline (PBS). RBC from blood samples freshly-collected from five healthy donors and from fifteen units of packed RBC units were used. The same FFP sample was used in all measurements. In FFP, the RBC form strongly adherent aggregates, which are dispersed as the shear stress (τ) increases to 3.0 Pa, and even at 5.0 Pa a large portion of the RBC are still adherent. In PBS, the RBC are singly dispersed and their adhesion becomes insignificant already at τ = 0.5 Pa. No cross-correlation was found between the adhesion in PBS vs. that in FFP at the same τ. However, in both media, under conditions that form singly dispersed adherent RBC, an inverse correlation between RBC/EC adhesion in PBS vs. that in FFP was observed. This study clearly implies that for understanding the physiological relevance of RBC/EC adhesion it should be determined in plasma.
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Affiliation(s)
- Gregory Barshtein
- Department Biochemistry, The Hebrew University Medical School, Jerusalem, Israel.
| | | | | | - Dan Arbell
- Department of Pediatric Surgery, The Hadassah University Hospital, Jerusalem, Israel
| | - Saul Yedgar
- Department Biochemistry, The Hebrew University Medical School, Jerusalem, Israel
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19
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Numerical simulation of spatiotemporal red blood cell aggregation under sinusoidal pulsatile flow. Sci Rep 2021; 11:9977. [PMID: 33976299 PMCID: PMC8113559 DOI: 10.1038/s41598-021-89286-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 04/06/2021] [Indexed: 11/08/2022] Open
Abstract
Previous studies on red blood cell (RBC) aggregation have elucidated the inverse relationship between shear rate and RBC aggregation under Poiseuille flow. However, the local parabolic rouleaux pattern in the arterial flow observed in ultrasonic imaging cannot be explained by shear rate alone. A quantitative approach is required to analyze the spatiotemporal variation in arterial pulsatile flow and the resulting RBC aggregation. In this work, a 2D RBC model was used to simulate RBC motion driven by interactional and hydrodynamic forces based on the depletion theory of the RBC mechanism. We focused on the interaction between the spatial distribution of shear rate and the dynamic motion of RBC aggregation under sinusoidal pulsatile flow. We introduced two components of shear rate, namely, the radial and axial shear rates, to understand the effect of sinusoidal pulsatile flow on RBC aggregation. The simulation results demonstrated that specific ranges of the axial shear rate and its ratio with radial shear rate strongly affected local RBC aggregation and parabolic rouleaux formation. These findings are important, as they indicate that the spatiotemporal variation in shear rate has a crucial role in the aggregate formation and local parabolic rouleaux under pulsatile flow.
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20
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Porro B, Conte E, Zaninoni A, Bianchi P, Veglia F, Barbieri S, Fiorelli S, Eligini S, Di Minno A, Mushtaq S, Tremoli E, Cavalca V, Andreini D. Red Blood Cell Morphodynamics: A New Potential Marker in High-Risk Patients. Front Physiol 2021; 11:603633. [PMID: 33519509 PMCID: PMC7838560 DOI: 10.3389/fphys.2020.603633] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 12/16/2020] [Indexed: 12/20/2022] Open
Abstract
In the last years, a substantial contribution of red blood cells (RBCs) in cardiovascular homeostasis has been evidenced, as these cells are able to regulate cardiovascular function by the export of adenosine triphosphate and nitric oxide as well as to maintain redox balance through a well-developed antioxidant system. Recently a link between high-risk plaque (HRP) features and myocardial ischemia, in the absence of severe lumen stenosis, has been evidenced. Nonobstructive coronary artery disease (nonob CAD) has been associated in fact with a greater 1-year risk of myocardial infarction and all-cause mortality compared with no apparent CAD. This new evidence increases interest in searching new triggers to identify these high-risk patients, in the absence/or on top of traditional hazard markers. In this study, we investigated the existence of any association between RBC morphodynamics and HRP features in individuals with different grades of coronary stenosis detected by coronary computed tomography angiography (CCTA). Ninety-one consecutive individuals who underwent CCTA [33 no CAD; 26 nonobstructive (nonob), and 32 obstructive (ob) CAD] were enrolled. RBC morphodynamic features, i.e., RBC aggregability and deformability, were analyzed by means of Laser Assisted Optical Rotation Cell Analyzer (LoRRca MaxSis). The putative global RBC morphodynamic (RMD) score and the related risk chart, associating the extent of HRP (e.g., the non-calcified plaque volume) with both the RMD score and the max % stenosis were computed. In nonob CAD group only positive correlations between RBC rigidity, osmotic fragility or aggregability and HRP features (plaque necrotic core, fibro-fatty and fibro-fatty plus necrotic core plaque volumes) were highlighted. Interestingly, in this patient cohort three of these RBC morphodynamic features result to be independent predictors of the presence of non-calcified plaque volume in this patients group. The risk chart created shows that only in nonob CAD plaque vulnerability increases according to the score quartile. Findings of this work, by evidencing the association between erythrocyte morphodynamic characteristics assessed by LoRRca and plaque instability in a high-risk cohort of nonob CAD, suggest the use of these blood cell features in the identification of high-risk patients, in the absence of severe coronary stenosis.
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Affiliation(s)
- Benedetta Porro
- Centro Cardiologico Monzino, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - Edoardo Conte
- Centro Cardiologico Monzino, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - Anna Zaninoni
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milano, Unità Operativa Complessa (UOC) Ematologia, Unità Operativa Semplice (UOS) Fisiopatologia delle Anemie, Milan, Italy
| | - Paola Bianchi
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Milano, Unità Operativa Complessa (UOC) Ematologia, Unità Operativa Semplice (UOS) Fisiopatologia delle Anemie, Milan, Italy
| | - Fabrizio Veglia
- Centro Cardiologico Monzino, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - Simone Barbieri
- Centro Cardiologico Monzino, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - Susanna Fiorelli
- Centro Cardiologico Monzino, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - Sonia Eligini
- Centro Cardiologico Monzino, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - Alessandro Di Minno
- Centro Cardiologico Monzino, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - Saima Mushtaq
- Centro Cardiologico Monzino, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - Elena Tremoli
- Centro Cardiologico Monzino, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - Viviana Cavalca
- Centro Cardiologico Monzino, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy
| | - Daniele Andreini
- Centro Cardiologico Monzino, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Milan, Italy.,Department of Clinical Sciences and Community Health, Cardiovascular Section, University of Milan, Milan, Italy
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21
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Sabuncu AC, Muldur S, Cetin B, Usta OB, Aubry N. β-Dispersion of blood during sedimentation. Sci Rep 2021; 11:2642. [PMID: 33514847 PMCID: PMC7846779 DOI: 10.1038/s41598-021-82171-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 01/08/2021] [Indexed: 01/30/2023] Open
Abstract
Aggregation of human red blood cells (RBC) is central to various pathological conditions from bacterial infections to cancer. When left at low shear conditions or at hemostasis, RBCs form aggregates, which resemble stacks of coins, known as 'rouleaux'. We experimentally examined the interfacial dielectric dispersion of aggregating RBCs. Hetastarch, an RBC aggregation agent, is used to mimic conditions leading to aggregation. Hetastrach concentration is incrementally increased in blood from healthy donors to measure the sensitivity of the technique. Time lapse electrical impedance measurements were conducted as red blood cells form rouleaux and sediment in a PDMS chamber. Theoretical modeling was used for obtaining complex permittivity of an effective single red blood cell aggregate at various concentrations of hetastarch. Time response of red blood cells' impedance was also studied to parametrize the time evolution of impedance data. Single aggregate permittivity at the onset of aggregation, evolution of interfacial dispersion parameters, and sedimentation kinetics allowed us to distinguish differential aggregation in blood.
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Affiliation(s)
- Ahmet C Sabuncu
- Mechanical Engineering Department, Worcester Polytechnic Institute, Worcester, MA, 01609, USA.
| | - Sinan Muldur
- Center for Engineering in Medicine, Massachusetts General Hospital, Harvard Medical School and Shriners Hospitals for Children, Boston, MA, 02114, USA
| | - Barbaros Cetin
- Microfluidics & Lab-On-a-Chip Research Group, Department of Mechanical Engineering, I.D. Bilkent University, Ankara, Turkey
| | - O Berk Usta
- Center for Engineering in Medicine, Massachusetts General Hospital, Harvard Medical School and Shriners Hospitals for Children, Boston, MA, 02114, USA
| | - Nadine Aubry
- School of Engineering, Tufts University, Medford, MA, 02155, USA
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22
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Renoux C, Fort R, Nader E, Boisson C, Joly P, Stauffer E, Robert M, Girard S, Cibiel A, Gauthier A, Connes P. Impact of COVID-19 on red blood cell rheology. Br J Haematol 2021; 192:e108-e111. [PMID: 33410504 DOI: 10.1111/bjh.17306] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Céline Renoux
- UM Pathologies Métaboliques, Erythrocytaires et Dépistage Périnatal, Service de Biochimie et Biologie Moléculaire Grand-Est, Hospices Civils de Lyon, Lyon, France.,Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe Biologie Vasculaire et du Globule Rouge, Université Claude Bernard Lyon 1, Villeurbanne, France.,Laboratoire d'Excellence "GR-Ex", Paris, France.,Centre de Référence Constitutif Syndromes Drépanocytaires Majeurs, Thalassémies et Autres Pathologies Rares du Globule Rouge et de l'Erythropoïèse, Hospices Civils de Lyon, Lyon, France
| | - Romain Fort
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe Biologie Vasculaire et du Globule Rouge, Université Claude Bernard Lyon 1, Villeurbanne, France.,Laboratoire d'Excellence "GR-Ex", Paris, France.,Centre de Référence Constitutif Syndromes Drépanocytaires Majeurs, Thalassémies et Autres Pathologies Rares du Globule Rouge et de l'Erythropoïèse, Hospices Civils de Lyon, Lyon, France.,Service de Médecine Interne, Hôpital Edouard-Herriot, Lyon, France
| | - Elie Nader
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe Biologie Vasculaire et du Globule Rouge, Université Claude Bernard Lyon 1, Villeurbanne, France.,Laboratoire d'Excellence "GR-Ex", Paris, France.,Centre de Référence Constitutif Syndromes Drépanocytaires Majeurs, Thalassémies et Autres Pathologies Rares du Globule Rouge et de l'Erythropoïèse, Hospices Civils de Lyon, Lyon, France
| | - Camille Boisson
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe Biologie Vasculaire et du Globule Rouge, Université Claude Bernard Lyon 1, Villeurbanne, France.,Laboratoire d'Excellence "GR-Ex", Paris, France.,Centre de Référence Constitutif Syndromes Drépanocytaires Majeurs, Thalassémies et Autres Pathologies Rares du Globule Rouge et de l'Erythropoïèse, Hospices Civils de Lyon, Lyon, France
| | - Philippe Joly
- UM Pathologies Métaboliques, Erythrocytaires et Dépistage Périnatal, Service de Biochimie et Biologie Moléculaire Grand-Est, Hospices Civils de Lyon, Lyon, France.,Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe Biologie Vasculaire et du Globule Rouge, Université Claude Bernard Lyon 1, Villeurbanne, France.,Laboratoire d'Excellence "GR-Ex", Paris, France.,Centre de Référence Constitutif Syndromes Drépanocytaires Majeurs, Thalassémies et Autres Pathologies Rares du Globule Rouge et de l'Erythropoïèse, Hospices Civils de Lyon, Lyon, France
| | - Emeric Stauffer
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe Biologie Vasculaire et du Globule Rouge, Université Claude Bernard Lyon 1, Villeurbanne, France.,Laboratoire d'Excellence "GR-Ex", Paris, France.,Centre de Référence Constitutif Syndromes Drépanocytaires Majeurs, Thalassémies et Autres Pathologies Rares du Globule Rouge et de l'Erythropoïèse, Hospices Civils de Lyon, Lyon, France.,Service d'Explorations Fonctionnelles Respiratoires - Médecine du sport et de l'activité Physique, Hôpital de la Croix-Rousse, Lyon, France
| | - Mélanie Robert
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe Biologie Vasculaire et du Globule Rouge, Université Claude Bernard Lyon 1, Villeurbanne, France.,Laboratoire d'Excellence "GR-Ex", Paris, France.,Erytech Pharma, Lyon, France
| | - Sandrine Girard
- Service d'Hématologie Biologique, Hospices Civils de Lyon, Lyon, France
| | | | - Alexandra Gauthier
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe Biologie Vasculaire et du Globule Rouge, Université Claude Bernard Lyon 1, Villeurbanne, France.,Laboratoire d'Excellence "GR-Ex", Paris, France.,Centre de Référence Constitutif Syndromes Drépanocytaires Majeurs, Thalassémies et Autres Pathologies Rares du Globule Rouge et de l'Erythropoïèse, Hospices Civils de Lyon, Lyon, France.,Institut d'Hématologie et d'Oncologie Pédiatrique (IHOPe), Hospices Civils de Lyon, Lyon, France
| | - Philippe Connes
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Equipe Biologie Vasculaire et du Globule Rouge, Université Claude Bernard Lyon 1, Villeurbanne, France.,Laboratoire d'Excellence "GR-Ex", Paris, France.,Centre de Référence Constitutif Syndromes Drépanocytaires Majeurs, Thalassémies et Autres Pathologies Rares du Globule Rouge et de l'Erythropoïèse, Hospices Civils de Lyon, Lyon, France
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23
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Assessment of Fibrinogen Macromolecules Interaction with Red Blood Cells Membrane by Means of Laser Aggregometry, Flow Cytometry, and Optical Tweezers Combined with Microfluidics. Biomolecules 2020; 10:biom10101448. [PMID: 33076409 PMCID: PMC7602533 DOI: 10.3390/biom10101448] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 10/07/2020] [Accepted: 10/12/2020] [Indexed: 12/17/2022] Open
Abstract
An elevated concentration of fibrinogen in blood is a significant risk factor during many pathological diseases, as it leads to an increase in red blood cells (RBC) aggregation, resulting in hemorheological disorders. Despite the biomedical importance, the mechanisms of fibrinogen-induced RBC aggregation are still debatable. One of the discussed models is the non-specific adsorption of fibrinogen macromolecules onto the RBC membrane, leading to the cells bridging in aggregates. However, recent works point to the specific character of the interaction between fibrinogen and the RBC membrane. Fibrinogen is the major physiological ligand of glycoproteins receptors IIbIIIa (GPIIbIIIa or αIIββ3 or CD41/CD61). Inhibitors of GPIIbIIIa are widely used in clinics for the treatment of various cardiovascular diseases as antiplatelets agents preventing the platelets’ aggregation. However, the effects of GPIIbIIIa inhibition on RBC aggregation are not sufficiently well studied. The objective of the present work was the complex multimodal in vitro study of the interaction between fibrinogen and the RBC membrane, revealing the role of GPIIbIIIa in the specificity of binding of fibrinogen by the RBC membrane and its involvement in the cells’ aggregation process. We demonstrate that GPIIbIIIa inhibition leads to a significant decrease in the adsorption of fibrinogen macromolecules onto the membrane, resulting in the reduction of RBC aggregation. We show that the mechanisms underlying these effects are governed by a decrease in the bridging components of RBC aggregation forces.
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24
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Giannokostas K, Moschopoulos P, Varchanis S, Dimakopoulos Y, Tsamopoulos J. Advanced Constitutive Modeling of the Thixotropic Elasto-Visco-Plastic Behavior of Blood: Description of the Model and Rheological Predictions. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E4184. [PMID: 32962308 PMCID: PMC7560465 DOI: 10.3390/ma13184184] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 09/14/2020] [Accepted: 09/15/2020] [Indexed: 01/22/2023]
Abstract
This work focuses on the advanced modeling of the thixotropic nature of blood, coupled with an elasto-visco-plastic formulation by invoking a consistent and validated model for TEVP materials. The proposed model has been verified for the adequate description of the rheological behavior of suspensions, introducing a scalar variable that describes dynamically the level of internal microstructure of rouleaux at any instance, capturing accurately the aggregation and disaggregation mechanisms of the RBCs. Also, a non-linear fitting is adopted for the definition of the model's parameters on limited available experimental data of steady and transient rheometric flows of blood samples. We present the predictability of the new model in various steady and transient rheometric flows, including startup shear, rectangular shear steps, shear cessation, triangular shear steps and LAOS tests. Our model provides predictions for the elasto-thixotropic mechanism in startup shear flows, demonstrating a non-monotonic relationship of the thixotropic index on the shear-rate. The intermittent shear step test reveals the dynamics of the structural reconstruction, which in turn is associated with the aggregation process. Moreover, our model offers robust predictions for less examined tests such as uniaxial elongation, in which normal stress was found to have considerable contribution. Apart from the integrated modeling of blood rheological complexity, our implementation is adequate for multi-dimensional simulations due to its tensorial formalism accomplished with a single time scale for the thixotropic effects, resulting in a low computational cost compared to other TEVP models.
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Affiliation(s)
| | | | | | - Yannis Dimakopoulos
- Laboratory of Fluid Mechanics and Rheology, Department of Chemical Engineering, University of Patras, 26504 Patras, Greece; (K.G.); (P.M.); (S.V.); (J.T.)
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25
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Barshtein G, Gural A, Zelig O, Arbell D, Yedgar S. Unit-to-unit variability in the deformability of red blood cells. Transfus Apher Sci 2020; 59:102876. [PMID: 32690367 DOI: 10.1016/j.transci.2020.102876] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/14/2020] [Accepted: 07/06/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND In blood banking practice, the storage duration is used as the primary criterion for inventory management, and usually, the packed red blood cells (PRBC) units are supplied primarily according to first-in-first-out (FIFO) principle. However, the actual functionality of individual PRBC units is mostly ignored. One of the main features of the RBCs not accounted for under this approach is the deformability of the red cells, i.e., their ability to affect the recipients' blood flow. The objective of the study was to analyze unit-to-unit variability in the deformability of PRBCs during their cold storage. METHODS RBC samples were obtained from twenty leukoreduced PRBC units, stored in SAGM. The deformability of cells was monitored from the day of donation throughout 42 days. RBC deformability was determined using the computerized cell flow-properties analyzer (CFA) based on cell elongation under a shear stress of 3.0 Pa, expressed by the elongation-ratio (ER). The image analysis determines the ER for each cell and provides the ER distribution in the population of 3000-6000 cells. RESULTS The deformability of freshly-collected RBCs exhibited marked variability already on the day of donation. We also found that the aging curve of PRBC deformability varies significantly among donors. SIGNIFICANCE The present study has demonstrated that storage duration is only one of the factors, and seemingly not even the major one, affecting the PRBCs functionality. Therefore, the FIFO approach is not sufficient for assessing the potential transfusion outcome, and the PRBC functionality should be determined explicitly for each unit.
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Affiliation(s)
- Gregory Barshtein
- Department of Biochemistry, Hebrew University Faculty of Medicine, Jerusalem, Israel.
| | - Alexander Gural
- Blood Bank, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Orly Zelig
- Blood Bank, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Dan Arbell
- Department of Pediatric Surgery, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Saul Yedgar
- Department of Biochemistry, Hebrew University Faculty of Medicine, Jerusalem, Israel
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26
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Sezer M, van Royen N, Umman B, Bugra Z, Bulluck H, Hausenloy DJ, Umman S. Coronary Microvascular Injury in Reperfused Acute Myocardial Infarction: A View From an Integrative Perspective. J Am Heart Assoc 2019; 7:e009949. [PMID: 30608201 PMCID: PMC6404180 DOI: 10.1161/jaha.118.009949] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Murat Sezer
- 1 Istanbul Faculty of Medicine Istanbul University Istanbul Turkey
| | | | - Berrin Umman
- 1 Istanbul Faculty of Medicine Istanbul University Istanbul Turkey
| | - Zehra Bugra
- 1 Istanbul Faculty of Medicine Istanbul University Istanbul Turkey
| | - Heerajnarain Bulluck
- 3 The Hatter Cardiovascular Institute Institute of Cardiovascular Science University College London London United Kingdom.,4 Papworth Hospital NHS Trust Cambridge United Kingdom
| | - Derek J Hausenloy
- 3 The Hatter Cardiovascular Institute Institute of Cardiovascular Science University College London London United Kingdom.,4 Papworth Hospital NHS Trust Cambridge United Kingdom.,5 National Heart Research Institute Singapore National Heart Centre Singapore Singapore.,6 Cardiovascular and Metabolic Disorders Program Duke-National University of Singapore Singapore.,7 Yong Loo Lin School of Medicine National University Singapore Singapore.,8 The National Institute of Health Research University College London Hospitals Biomedical Research Centre London United Kingdom.,9 Barts Heart Centre St Bartholomew's Hospital London United Kingdom
| | - Sabahattin Umman
- 1 Istanbul Faculty of Medicine Istanbul University Istanbul Turkey
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27
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Sheremet'ev YA, Popovicheva AN, Rogozin MM, Levin GY. Red blood cell aggregation, disaggregation and aggregate morphology in autologous plasma and serum in diabetic foot disease. Clin Hemorheol Microcirc 2019; 72:221-227. [PMID: 30909193 DOI: 10.3233/ch-180405] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Diabetes mellitus is frequently associated with microcirculation pathology and hemorheological disorders. METHODS 24 patients with diabetic foot and 22 healthy subjects were recruited. RBC aggregation, disaggregation and morphology of aggregates were determined in autologous plasma and serum. RESULTS The RBC aggregation in patients with diabetic foot increased in autologous plasma and serum. Increased red blood cell aggregate strength in these patients was observed only in autologous plasma. Microscopic images of RBC aggregates of patients with diabetic foot show the formation of pathologic globular structures of aggregates in autologous plasma and serum. CONCLUSION The RBC aggregation in autologous plasma and autologous serum in patients with diabetic foot is significantly higher than in healthy subjects. Increase in strength of RBC aggregates in diabetic foot patients was observed only in autologous plasma. The microscopic images of RBC aggregates in patients with diabetic foot indicate the formation of globular (pathologic) structures of aggregates in autologous plasma and serum. The differences in the morphology of RBC aggregates in autologous plasma and serum between healthy subjects and diabetic foot patients, obtained by microscopic image analysis with high magnification light microscope, can be used as an additional diagnostic tool in medical practice.
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28
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Monteiro Júnior JGDM, de Oliveira Cipriano Torres D, Filho DCS. Hematological Parameters as Prognostic Biomarkers in Patients with Cardiovascular Diseases. Curr Cardiol Rev 2019; 15:274-282. [PMID: 30799790 PMCID: PMC6823671 DOI: 10.2174/1573403x15666190225123544] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 01/31/2019] [Accepted: 02/12/2019] [Indexed: 12/13/2022] Open
Abstract
Cardiovascular diseases are the major causes of preventable health loss from disease in the world and lead to functional disturbances including hematological parameters. The inflammatory and hypoxemic nature of cardiovascular diseases causes a stimulus in the bone marrow and, depending on the intensity of this stimulus, there is a release of immature cells or increase of other cells in the bloodstream. Therefore, their presence in the circulation is an important variable used to diagnose, stratify and predict diseases. In the last five decades, with the advent of automated counting of immature cells in the peripheral blood, the hemogram was transformed into a clinical tool of great importance in hospital surveillance for demonstrating this daily variability in the hematopoietic response according to the existing injury in the patient. Studies have shown that the presence of nucleated red blood cells and increases in mean platelet volume, immature granulocytes and neutrophil to lymphocyte ratio in the systemic circulation are independent prognostic biomarkers. This review article has as main objective to demonstrate the association of these hematological parameters to cardiovascular diseases, emphasizing their importance in clinical decision making.
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29
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Emmerson O, Bester J, Lindeque BG, Swanepoel AC. The Impact of Two Combined Oral Contraceptives Containing Ethinyl Estradiol and Drospirenone on Whole Blood Clot Viscoelasticity and the Biophysical and Biochemical Characteristics of Erythrocytes. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2018; 24:713-728. [PMID: 30588913 DOI: 10.1017/s1431927618015453] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Venous thrombosis is associated with combined oral contraceptive (COC) use. We investigated the impact of two ethinyl estradiol (EE) and drospirenone (DRSP) containing COCs (3 mg DRSP/20 µg EE and 3 µg DRSP/30 µg EE) on the viscoelasticity of whole blood clots along with the biophysical and biochemical characteristics of erythrocytes. Thromboelastography (TEG) analysis showed a tendency toward a hypercoagulable state in the COCs groups that was more pronounced with higher EE concentrations. Light microscopy and scanning electron microscopy (SEM) showed rouleaux formation of erythrocytes and alterations to the erythrocyte shape for both COC groups, which was attributed to membrane damage. SEM analysis showed spontaneous activation of fibrin and platelets in the COC groups, along with interactions between erythrocytes and platelets and/or fibrin. Confocal microscopy confirmed compromised membrane integrity in the COC groups compared to controls. Global thrombosis test analysis showed increased platelet activation and low thrombolysis in both COC groups when compared to controls. In conclusion, DRSP/EE formulations impact erythrocytes' biophysical and biochemical properties to cause a shift in hemostasis to a prothrombotic state. Although these effects are mostly subclinical the long-term effects and risks involved with the use of these hormones should be considered carefully for each individual.
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Affiliation(s)
- Odette Emmerson
- 1Department of Physiology, Faculty of Health Sciences,University of Pretoria,Private Bag x323,Arcadia, 0007,South Africa
| | - Janette Bester
- 1Department of Physiology, Faculty of Health Sciences,University of Pretoria,Private Bag x323,Arcadia, 0007,South Africa
| | - Barend G Lindeque
- 2Department of Obstetrics and Gynaecology,School of Medicine, Faculty of Health Sciences,University of Pretoria,P.O. Box 667,Pretoria 0001,South Africa
| | - Albe C Swanepoel
- 1Department of Physiology, Faculty of Health Sciences,University of Pretoria,Private Bag x323,Arcadia, 0007,South Africa
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30
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Gyawali P, Ziegler D, Cailhier JF, Denault A, Cloutier G. Quantitative Measurement of Erythrocyte Aggregation as a Systemic Inflammatory Marker by Ultrasound Imaging: A Systematic Review. ULTRASOUND IN MEDICINE & BIOLOGY 2018; 44:1303-1317. [PMID: 29661483 DOI: 10.1016/j.ultrasmedbio.2018.02.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 02/21/2018] [Accepted: 02/28/2018] [Indexed: 06/08/2023]
Abstract
This systematic review is aimed at answering two questions: (i) Is erythrocyte aggregation a useful biomarker in assessing systemic inflammation? (ii) Does quantitative ultrasound imaging provide the non-invasive option to measure erythrocyte aggregation in real time? The search was executed through bibliographic electronic databases CINAHL, EMB Review, EMBASE, MEDLINE, PubMed and the grey literature. The majority of studies correlated elevated erythrocyte aggregation with inflammatory blood markers for several pathologic states. Some studies used "erythrocyte aggregation" as an established marker of systemic inflammation. There were limited but promising articles regarding the use of quantitative ultrasound spectroscopy to monitor erythrocyte aggregation. Similarly, there were limited studies that used other ultrasound techniques to measure systemic inflammation. The quantitative measurement of erythrocyte aggregation has the potential to be a routine clinical marker of inflammation as it can reflect the cumulative inflammatory dynamics in vivo, is relatively simple to measure, is cost-effective and has a rapid turnaround time. Technologies like quantitative ultrasound spectroscopy that can measure erythrocyte aggregation non-invasively and in real time may offer the advantage of continuous monitoring of the inflammation state and, thus, may help in rapid decision making in a critical care setup.
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Affiliation(s)
- Prajwal Gyawali
- Laboratory of Biorheology and Medical Ultrasonics, University of Montreal Hospital Research Center (CRCHUM), Montréal, Québec, Canada
| | - Daniela Ziegler
- Documentation Center, University of Montreal Hospital, Montréal, Québec, Canada
| | - Jean-François Cailhier
- University of Montreal Hospital Research Center (CRCHUM), Montréal, Québec, Canada; Department of Medicine, University of Montreal, Montréal, Québec, Canada
| | - André Denault
- University of Montreal Hospital, Montreal, Québec, Canada; Montreal Heart Institute, Montreal, Québec, Canada; Department of Anesthesiology, University of Montreal, Montréal, Québec, Canada
| | - Guy Cloutier
- Laboratory of Biorheology and Medical Ultrasonics, University of Montreal Hospital Research Center (CRCHUM), Montréal, Québec, Canada; Department of Radiology, Radio-Oncology and Nuclear Medicine, Montréal, Québec, Canada; Institute of Biomedical Engineering, University of Montreal, Montréal, Québec, Canada.
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31
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Wu YF, Hsu PS, Tsai CS, Pan PC, Chen YL. Significantly increased low shear rate viscosity, blood elastic modulus, and RBC aggregation in adults following cardiac surgery. Sci Rep 2018; 8:7173. [PMID: 29740114 PMCID: PMC5940777 DOI: 10.1038/s41598-018-25317-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 04/13/2018] [Indexed: 11/28/2022] Open
Abstract
Open heart surgeries are common for treating ischemic and heart valve disease. During cardiac surgery, cardiopulmonary bypass (CPB) can temporarily take over the function of heart and lungs. However, elevated red blood cell (RBC) aggregation may lead to the common side-effects such as microinfarction. We investigated blood physical properties changes and the correlation between blood microstructure, viscoelastic response and biochemical changes following surgery with CPB. We examined shear-rate dependent blood viscosity, elasticity and RBC aggregate size in the pre-surgery disease state, post-surgery state and long-term recovery state of cardiac surgical patients. Within a week following surgery, the patient hematocrit was significantly lower due to CPB. Despite lower RBC concentration, the RBC aggregate shape became larger and more rounded, which is correlated to the elevated plasma fibrinogen related to systemic inflammatory response. During the same period, the hematocrit-adjusted low shear rate viscosity increased significantly, as did the yield stress, indicating more solid-like behavior for blood. Six months to one year later, all the physical and biochemical properties measured returned to baseline.
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Affiliation(s)
- Yi-Fan Wu
- Institute of Physics, Academia Sinica, Taipei, Taiwan.,Department of Chemical Engineering, National Tsing-Hua University, Hsinchu, Taiwan
| | - Po-Shun Hsu
- Division of Cardiovascular Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
| | - Chien-Sung Tsai
- Division of Cardiovascular Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Pin-Cheng Pan
- Institute of Physics, Academia Sinica, Taipei, Taiwan
| | - Yeng-Long Chen
- Institute of Physics, Academia Sinica, Taipei, Taiwan. .,Department of Chemical Engineering, National Tsing-Hua University, Hsinchu, Taiwan.
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32
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Probiotic Lactobacillus casei Zhang (LCZ) alleviates respiratory, gastrointestinal & RBC abnormality via immuno-modulatory, anti-inflammatory & anti-oxidative actions. J Funct Foods 2018. [DOI: 10.1016/j.jff.2018.03.017] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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Reinhart WH, Piety NZ, Shevkoplyas SS. Influence of red blood cell aggregation on perfusion of an artificial microvascular network. Microcirculation 2018; 24. [PMID: 27647727 DOI: 10.1111/micc.12317] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Accepted: 09/12/2016] [Indexed: 02/06/2023]
Abstract
OBJECTIVE RBCs suspended in plasma form multicellular aggregates under low-flow conditions, increasing apparent blood viscosity at low shear rates. It has previously been unclear, however, if RBC aggregation affects microvascular perfusion. Here, we analyzed the impact of RBC aggregation on perfusion and 'capillary' hematocrit in an AMVN at driving pressures ranging from 5 to 60 cm H2 O to determine if aggregation could improve tissue oxygenation. METHODS RBCs were suspended at 30% hematocrit in either 46.5 g/L dextran 40 (D40, non-aggregating medium) or 35 g/L dextran 70 (D70, aggregating medium) solutions with equal viscosity. RESULTS Aggregation was readily observed in the AMVN for RBCs suspended in D70 at driving pressures ≤40 cm H2 O. The AMVN perfusion rate was the same for RBCs suspended in aggregating and non-aggregating medium, at both 'venular' and 'capillary' level. Estimated 'capillary' hematocrit was higher for D70 suspensions than for D40 suspensions at intermediate driving pressures (5-40 cm H2 O). CONCLUSIONS We conclude that although RBC aggregation did not affect the AMVN perfusion rate independently of the driving pressure, a higher hematocrit in the 'capillaries' of the network for D70 suspensions suggested a better oxygen transport capacity in the presence of RBC aggregation.
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Affiliation(s)
- Walter H Reinhart
- Department of Internal Medicine, Kantonsspital Graubünden, Chur, Switzerland
| | - Nathaniel Z Piety
- Department of Biomedical Engineering, Cullen College of Engineering, University of Houston, Houston, Texas, USA
| | - Sergey S Shevkoplyas
- Department of Biomedical Engineering, Cullen College of Engineering, University of Houston, Houston, Texas, USA
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Barshtein G, Arbell D, Yedgar S. Hemodynamic Functionality of Transfused Red Blood Cells in the Microcirculation of Blood Recipients. Front Physiol 2018; 9:41. [PMID: 29441026 PMCID: PMC5797635 DOI: 10.3389/fphys.2018.00041] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 01/11/2018] [Indexed: 01/23/2023] Open
Abstract
The primary goal of red blood cell (RBC) transfusion is to supply oxygen to tissues and organs. However, due to a growing number of studies that have reported negative transfusion outcomes, including reduced blood perfusion, there is rising concern about the risks in blood transfusion. RBC are characterized by unique flow-affecting properties, specifically adherence to blood vessel wall endothelium, cell deformability, and self-aggregability, which define their hemodynamic functionality (HF), namely their potential to affect blood circulation. The role of the HF of RBC in blood circulation, particularly the microcirculation, has been documented in numerous studies with animal models. These studies indicate that the HF of transfused RBC (TRBC) plays an important role in the transfusion outcome. However, studies with animal models must be interpreted with reservations, as animal physiology may not reflect human physiology. To test this concept in humans, we have directly examined the effect of the HF of TRBC, as expressed by their deformability and adherence to vascular endothelium, on the transfusion-induced effect on the skin blood flow and hemoglobin increment in β-thalassemia major patients. The results demonstrated, for the first time in humans, that the TRBC HF is a potent effector of the transfusion outcome, expressed by the transfusion-induced increase in the recipients' hemoglobin level, and the change in the skin blood flow, indicating a link between the microcirculation and the survival of TRBC in the recipients' vascular system. The implication of these findings for blood transfusion practice and to vascular function in blood recipients is discussed.
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Affiliation(s)
- Gregory Barshtein
- Department of Biochemistry, Faculty of Medicine, Hebrew University, Jerusalem, Israel
| | - Dan Arbell
- Department of Pediatric Surgery, Hadassah University Hospital, Jerusalem, Israel
| | - Saul Yedgar
- Department of Biochemistry, Faculty of Medicine, Hebrew University, Jerusalem, Israel
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Direct monitoring of erythrocytes aggregation under the effect of the low-intensity magnetic field by measuring light transmission at wavelength 800 nm. POLISH JOURNAL OF MEDICAL PHYSICS AND ENGINEERING 2017. [DOI: 10.1515/pjmpe-2017-0015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Interacting electromagnetic field with the living organisms and cells became of the great interest in the last decade. Erythrocytes are the most common types of the blood cells and have unique rheological, electrical, and magnetic properties. Aggregation is one of the important characteristics of the erythrocytes which has a great impact in some clinical cases. The present study introduces a simple method to monitor the effect of static magnetic field on erythrocytes aggregation using light transmission. Features were extracted from the time course curve of the light transmission through the whole blood under different intensities of the magnetic field. The findings of this research showed that static magnetic field could influence the size and the rate of erythrocytes aggregation. The strong correlations confirmed these results between the static magnetic field intensity and both the time of aggregation and sedimentation of erythrocytes. From this study, it can be concluded that static magnetic field can be used to modify the mechanisms of erythrocytes aggregation.
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Preibsch H, Keymel S, Kelm M, Baars T, Kleinbongard P. Comparison of the simple red blood cell adhesiveness/aggregation test with the laser-assisted optical rotational cell analyzer: Red blood cell aggregation in patients with coronary artery disease and a healthy control group. Clin Hemorheol Microcirc 2017; 65:363-371. [PMID: 27983545 DOI: 10.3233/ch-16201] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Red blood cell (RBC) aggregation influences blood flow properties, impacts blood microcirculation and consequently oxygen delivery. Different methods are established to determine RBC aggregation: under static conditions (i.e. the RBC adhesiveness/aggregation test (EAAT)) or under shear conditions (i.e. the laser-assisted optical rotational cell analyzer (LORCA)). OBJECTIVE Comparison of these two different methods in detecting the RBC aggregation of patients with coronary artery disease (CAD) and of healthy controls. METHODS RBC aggregation was quantified in peripheral venous blood of patients with CAD and healthy controls using EAAT and LORCA. RESULTS Both methods detected an increased RBC aggregation in patients with CAD compared to the healthy control group: the ratio of clot-free area to whole area (rCFA) detected with EAAT (15.65 vs. 11.30%), and aggregation index (66.33 vs. 53.90%), shear rate of disaggregation (SDA) (105.59 vs. 69.21 s-1), and upstroke/ttop (0.03 vs. 0.02 au/s) detected with LORCA device were increased, aggregation half time (detected with LORCA) was decreased (2.11 vs. 3.60 s). rCFA (EAAT) correlated with SDA (LORCA). CONCLUSIONS Both methods determine an increased RBC aggregation in patients with CAD. However, only one measurement parameter of the LORCA seems to reflect the same RBC aggregation properties as the EAAT.
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Affiliation(s)
- Heike Preibsch
- Department of Radiology, Diagnostic and Interventional Radiology, University Hospital Tuebingen, Tuebingen, Germany
| | - Stefanie Keymel
- Medical Clinic B, Cardiovascular Research Lab, Medical Faculty, Department of Cardiology, Pneumology and Vascular Diseases, University Hospital Duesseldorf, Duesseldorf, Germany
| | - Malte Kelm
- Medical Clinic B, Cardiovascular Research Lab, Medical Faculty, Department of Cardiology, Pneumology and Vascular Diseases, University Hospital Duesseldorf, Duesseldorf, Germany
| | - Theodor Baars
- Clinic of Cardiology, West German Heart and Vascular Centre Essen, Medical School, University of Essen, Essen, Germany.,Institute of Pathophysiology, West German Heart and Vascular Centre Essen, University of Essen Medical School, Germany
| | - Petra Kleinbongard
- Institute of Pathophysiology, West German Heart and Vascular Centre Essen, University of Essen Medical School, Germany
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Guilbert C, Chayer B, Allard L, Yu FTH, Cloutier G. Influence of erythrocyte aggregation on radial migration of platelet-sized spherical particles in shear flow. J Biomech 2017; 61:26-33. [PMID: 28720200 DOI: 10.1016/j.jbiomech.2017.06.044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 06/20/2017] [Accepted: 06/29/2017] [Indexed: 11/19/2022]
Abstract
Blood platelets when activated are involved in the mechanisms of hemostasis and thrombosis, and their migration toward injured vascular endothelium necessitates interaction with red blood cells (RBCs). Rheology co-factors such as a high hematocrit and a high shear rate are known to promote platelet mass transport toward the vessel wall. Hemodynamic conditions promoting RBC aggregation may also favor platelet migration, particularly in the venous system at low shear rates. The aim of this study was to confirm experimentally the impact of RBC aggregation on platelet-sized micro particle migration in a Couette flow apparatus. Biotin coated micro particles were mixed with saline or blood with different aggregation tendencies, at two shear rates of 2 and 10s-1 and three hematocrits ranging from 20 to 60%. Streptavidin membranes were respectively positioned on the Couette static and rotating cylinders upon which the number of adhered fluorescent particles was quantified. The platelet-sized particle adhesion on both walls was progressively enhanced by increasing the hematocrit (p<0.001), reducing the shear rate (p<0.001), and rising the aggregation of RBCs (p<0.001). Particle count was minimum on the stationary cylinder when suspended in saline at 2s-1 (57±33), and maximum on the rotating cylinder at 60% hematocrit, 2s-1 and the maximum dextran-induced RBC aggregation (2840±152). This fundamental study is confirming recent hypotheses on the role of RBC aggregation on venous thrombosis, and may guide molecular imaging protocols requiring injecting active labeled micro particles in the venous flow system to probe human diseases.
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Affiliation(s)
- Cyrille Guilbert
- Laboratory of Biorheology and Medical Ultrasonics, University of Montreal Hospital Research Center (CRCHUM), Montréal, Québec, Canada
| | - Boris Chayer
- Laboratory of Biorheology and Medical Ultrasonics, University of Montreal Hospital Research Center (CRCHUM), Montréal, Québec, Canada
| | - Louise Allard
- Laboratory of Biorheology and Medical Ultrasonics, University of Montreal Hospital Research Center (CRCHUM), Montréal, Québec, Canada
| | - François T H Yu
- Laboratory of Biorheology and Medical Ultrasonics, University of Montreal Hospital Research Center (CRCHUM), Montréal, Québec, Canada
| | - Guy Cloutier
- Laboratory of Biorheology and Medical Ultrasonics, University of Montreal Hospital Research Center (CRCHUM), Montréal, Québec, Canada; Institute of Biomedical Engineering, University of Montreal, Montréal, Québec, Canada; Department of Radiology, Radio-oncology and Nuclear Medicine, University of Montreal, Montréal, Québec, Canada.
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Swanepoel AC, Emmerson O, Pretorius E. Effect of Progesterone and Synthetic Progestins on Whole Blood Clot Formation and Erythrocyte Structure. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2017; 23:607-617. [PMID: 28480839 DOI: 10.1017/s1431927617000484] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Combined oral contraceptive (COC) use is a risk factor for venous thrombosis (VT) and related to the specific type of progestin used. VT is accompanied by inflammation and pathophysiological clot formation, that includes aberrant erythrocytes and fibrin(ogen) interactions. In this paper, we aim to determine the influence of progesterone and different synthetic progestins found in COCs on the viscoelasticity of whole blood clots, as well as erythrocyte morphology and membrane ultrastructure, in an in vitro laboratory study. Thromboelastography (TEG), light microscopy, and scanning electron microscopy were our chosen methods. Our results point out that progestins influence the rate of whole blood clot formation. Alterations to erythrocyte morphology and membrane ultrastructure suggest the presence of eryptosis. We also note increased rouleaux formation, erythrocyte aggregation, and spontaneous fibrin formation in whole blood which may explain the increased risk of VT associated with COC use. Although not all COC users will experience a thrombotic event, individuals with a thrombotic predisposition, due to inflammatory or hematological illness, should be closely monitored to prevent pathological thrombosis.
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Namgung B, Sakai H, Kim S. Influence of erythrocyte aggregation at pathological levels on cell-free marginal layer in a narrow circular tube. Clin Hemorheol Microcirc 2016; 61:445-57. [PMID: 25335815 DOI: 10.3233/ch-141909] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Human red blood cells (RBCs) were perfused in a circular micro-tube (inner diameter of 25 μm) to examine the dynamic changes of cell-free marginal region at both physiological (normal) and pathophysiological (hyper) levels of RBC aggregation. The cell-free area (CFA) was measured to provide additional information on the cell-free layer (CFL) width changes in space and time domains. A prominent enhancement in the mean CFL width was found in hyper-aggregating conditions as compared to that in non-aggregating conditions (P < 0.001). The frequent contacts between RBC and the tube wall were observed and the contact frequency was greatly decreased when the aggregation level was increased from none to normal (P < 0.05) and to hyper (P < 0.001) levels. In addition, the enhanced aggregation from none to hyper levels significantly enlarged the CFA (P < 0.01). We concluded that the RBC aggregation at pathophysiological levels could promote not only the CFL width (one-dimensional parameter) but also the spatiotemporal variation of CFA (two-dimensional parameter).
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Affiliation(s)
- Bumseok Namgung
- Department of Biomedical Engineering and Department of Surgery, National University of Singapore, Singapore
| | - Hiromi Sakai
- Department of Chemistry, School of Medicine, Nara Medical University, Nara, Japan
| | - Sangho Kim
- Department of Biomedical Engineering and Department of Surgery, National University of Singapore, Singapore
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40
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Zhao L, Kaewprayoon W, Zhou H, Georgieva R, Bäumler H. RBC aggregation in dextran solutions can be measured by flow cytometry. Clin Hemorheol Microcirc 2016; 65:93-101. [PMID: 27716651 DOI: 10.3233/ch-15121] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The impact of macromolecules on RBC aggregation continues to be of interest, nevertheless present measurements still have limitations and need improvement. We applied flow cytometry to measure RBC aggregation in dextran T500 (Dx500) solution. The samples were fixed in the aggregated state by glutaraldehyde. Fixed RBC exhibit auto fluorescence, which can be detected by flow cytometry. Single cells, doublets, triplets and larger aggregates can be distinguished quantitatively and quickly due to the correlation between auto fluorescence intensity and number of RBC per measured event. With the increase in concentration of Dx500, percentages of all aggregates and bigger aggregates increased significantly at concentration of 2%, 4% and 6%, while decreased when the concentration reached 8% and 10%. The percentage of bigger aggregates in concentration of 4% was higher than that in 2% and 6%. The data of flow cytometry was confirmed by microscopic observation and are in good agreement with the literature. The method provide additional advantages to the conventional measurement of RBC aggregation. It gets the distribution of single cells and aggregates as derived from the microscopic observation with hematocrit of physiological level. It uses sample volume as 1/5∼1/10 as needed in sendimentation and photometricmethods.
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Affiliation(s)
- Lian Zhao
- Institute of Transfusion Medicine, Academy of Military Medical Sciences, Beijing, China
| | - Waraporn Kaewprayoon
- Charité-Universitätsmedizin Berlin, Institute of Transfusion Medicine, Berlin, Germany
| | - Hong Zhou
- Institute of Transfusion Medicine, Academy of Military Medical Sciences, Beijing, China
| | - Radostina Georgieva
- Charité-Universitätsmedizin Berlin, Institute of Transfusion Medicine, Berlin, Germany
| | - Hans Bäumler
- Charité-Universitätsmedizin Berlin, Institute of Transfusion Medicine, Berlin, Germany
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Mechanical blood trauma in assisted circulation: sublethal RBC damage preceding hemolysis. Int J Artif Organs 2016; 39:150-9. [PMID: 27034320 DOI: 10.5301/ijao.5000478] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/18/2016] [Indexed: 02/06/2023]
Abstract
After many decades of improvements in mechanical circulatory assist devices (CADs), blood damage remains a serious problem during support contributing to variety of adverse events, and consequently affecting patient survival and quality of life. The mechanisms of cumulative cell damage in continuous-flow blood pumps are still not fully understood despite numerous in vitro, in vivo, and in silico studies of blood trauma. Previous investigations have almost exclusively focused on lethal blood damage, namely hemolysis, which is typically negligible during normal operation of current generation CADs. The measurement of plasma free hemoglobin (plfHb) concentration to characterize hemolysis is straightforward, however sublethal trauma is more difficult to detect and quantify since no simple direct test exists. Similarly, while multiple studies have focused on thrombosis within blood pumps and accessories, sublethal blood trauma and its sequelae have yet to be adequately documented or characterized. This review summarizes the current understanding of sublethal trauma to red blood cells (RBCs) produced by exposure of blood to flow parameters and conditions similar to those within CADs. It also suggests potential strategies to reduce and/or prevent RBC sublethal damage in a clinically-relevant context, and encourages new research into this relatively uncharted territory.
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42
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A two phase field model for tracking vesicle–vesicle adhesion. J Math Biol 2016; 73:1293-1319. [DOI: 10.1007/s00285-016-0994-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Revised: 09/22/2015] [Indexed: 10/22/2022]
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43
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Oelze ML, Mamou J. Review of Quantitative Ultrasound: Envelope Statistics and Backscatter Coefficient Imaging and Contributions to Diagnostic Ultrasound. IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL 2016; 63:336-51. [PMID: 26761606 PMCID: PMC5551399 DOI: 10.1109/tuffc.2015.2513958] [Citation(s) in RCA: 192] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Conventional medical imaging technologies, including ultrasound, have continued to improve over the years. For example, in oncology, medical imaging is characterized by high sensitivity, i.e., the ability to detect anomalous tissue features, but the ability to classify these tissue features from images often lacks specificity. As a result, a large number of biopsies of tissues with suspicious image findings are performed each year with a vast majority of these biopsies resulting in a negative finding. To improve specificity of cancer imaging, quantitative imaging techniques can play an important role. Conventional ultrasound B-mode imaging is mainly qualitative in nature. However, quantitative ultrasound (QUS) imaging can provide specific numbers related to tissue features that can increase the specificity of image findings leading to improvements in diagnostic ultrasound. QUS imaging can encompass a wide variety of techniques including spectral-based parameterization, elastography, shear wave imaging, flow estimation, and envelope statistics. Currently, spectral-based parameterization and envelope statistics are not available on most conventional clinical ultrasound machines. However, in recent years, QUS techniques involving spectral-based parameterization and envelope statistics have demonstrated success in many applications, providing additional diagnostic capabilities. Spectral-based techniques include the estimation of the backscatter coefficient (BSC), estimation of attenuation, and estimation of scatterer properties such as the correlation length associated with an effective scatterer diameter (ESD) and the effective acoustic concentration (EAC) of scatterers. Envelope statistics include the estimation of the number density of scatterers and quantification of coherent to incoherent signals produced from the tissue. Challenges for clinical application include correctly accounting for attenuation effects and transmission losses and implementation of QUS on clinical devices. Successful clinical and preclinical applications demonstrating the ability of QUS to improve medical diagnostics include characterization of the myocardium during the cardiac cycle, cancer detection, classification of solid tumors and lymph nodes, detection and quantification of fatty liver disease, and monitoring and assessment of therapy.
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Namgung B, Ng YC, Nam J, Leo HL, Kim S. Alteration of Blood Flow in a Venular Network by Infusion of Dextran 500: Evaluation with a Laser Speckle Contrast Imaging System. PLoS One 2015; 10:e0140038. [PMID: 26466371 PMCID: PMC4605724 DOI: 10.1371/journal.pone.0140038] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Accepted: 09/21/2015] [Indexed: 11/18/2022] Open
Abstract
This study examined the effect of dextran-induced RBC aggregation on the venular flow in microvasculature. We utilized the laser speckle contrast imaging (LSCI) as a wide-field imaging technique to visualize the flow distribution in venules influenced by abnormally elevated levels of RBC aggregation at a network-scale level, which was unprecedented in previous studies. RBC aggregation in rats was induced by infusing Dextran 500. To elucidate the impact of RBC aggregation on microvascular perfusion, blood flow in the venular network of a rat cremaster muscle was analyzed with a stepwise reduction of the arterial pressure (100 → 30 mmHg). The LSCI analysis revealed a substantial decrease in the functional vascular density after the infusion of dextran. The relative decrease in flow velocity after dextran infusion was notably pronounced at low arterial pressures. Whole blood viscosity measurements implied that the reduction in venular flow with dextran infusion could be due to the elevation of medium viscosity in high shear conditions (> 45 s-1). In contrast, further augmentation to the flow reduction at low arterial pressures could be attributed to the formation of RBC aggregates (< 45 s-1). This study confirmed that RBC aggregation could play a dominant role in modulating microvascular perfusion, particularly in the venular networks.
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Affiliation(s)
- Bumseok Namgung
- Department of Biomedical Engineering, National University of Singapore, Singapore
| | - Yan Cheng Ng
- Department of Biomedical Engineering, National University of Singapore, Singapore
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore
| | - Jeonghun Nam
- Department of Biomedical Engineering, National University of Singapore, Singapore
| | - Hwa Liang Leo
- Department of Biomedical Engineering, National University of Singapore, Singapore
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore
| | - Sangho Kim
- Department of Biomedical Engineering, National University of Singapore, Singapore
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore
- Department of Surgery, National University of Singapore, Singapore
- * E-mail:
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Filatova OV, Sidorenko AA, Agarkova SA. Effects of age and sex on rheological properties of blood. ACTA ACUST UNITED AC 2015. [DOI: 10.1134/s0362119715030044] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Barshtein G, Livshits L, Shvartsman LD, Shlomai NO, Yedgar S, Arbell D. Polystyrene Nanoparticles Activate Erythrocyte Aggregation and Adhesion to Endothelial Cells. Cell Biochem Biophys 2015; 74:19-27. [DOI: 10.1007/s12013-015-0705-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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47
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48
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Crosstalk between red blood cells and the immune system and its impact on atherosclerosis. BIOMED RESEARCH INTERNATIONAL 2015; 2015:616834. [PMID: 25722984 PMCID: PMC4334626 DOI: 10.1155/2015/616834] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2014] [Accepted: 01/16/2015] [Indexed: 12/21/2022]
Abstract
Atherosclerosis is a chronic multifactorial disease of the arterial wall characterized by inflammation, oxidative stress, and immune system activation. Evidence exists on a pathogenic role of oxidized red blood cells (RBCs) accumulated in the lesion after intraplaque hemorrhage. This review reports current knowledge on the impact of oxidative stress in RBC modifications with the surface appearance of senescent signals characterized by reduced expression of CD47 and glycophorin A and higher externalization of phosphatidylserine. The review summarizes findings indicating that oxidized, senescent, or stored RBCs, due to surface antigen modification and release of prooxidant and proinflammatory molecules, exert an impaired modulatory activity on innate and adaptive immune cells and how this activity contributes to atherosclerotic disease. In particular RBCs from patients with atherosclerosis, unlike those from healthy subjects, fail to control lipopolysaccharide-induced DC maturation and T lymphocyte apoptosis. Stored RBCs, accompanied by shedding of extracellular vesicles, stimulate peripheral blood mononuclear cells to release proinflammatory cytokines, augment mitogen-driven T cell proliferation, and polarize macrophages toward the proinflammatory M1 activation pathway. Collectively, literature data suggest that the crosstalk between RBCs with immune cells represents a novel mechanism by which oxidative stress can contribute to atherosclerotic disease progression and may be exploited for therapeutic interventions.
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49
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Čulić V. Inflammation, coagulation, weather and arrhythmogenesis: Is there a linkage? Int J Cardiol 2014; 176:289-93. [PMID: 25037698 DOI: 10.1016/j.ijcard.2014.06.078] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Accepted: 06/29/2014] [Indexed: 01/24/2023]
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50
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Barshtein G, Ben-Ami R, Yedgar S. Role of red blood cell flow behavior in hemodynamics and hemostasis. Expert Rev Cardiovasc Ther 2014; 5:743-52. [PMID: 17605652 DOI: 10.1586/14779072.5.4.743] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The primary role of red blood cells (RBCs) is to transport oxygen to the tissues, which is performed predominantly in the blood capillaries. However, RBCs have unique flow-affecting properties that play a key role in blood flow in all blood vessel types and sizes. While RBCs as oxygen carriers have been studied extensively, their hemodynamic function has been examined less comprehensively. This review aims to bridge this gap, focusing on the role of RBC flow properties in hemodynamics, hemostasis and thrombosis.
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Affiliation(s)
- Gregory Barshtein
- Hebrew University-Hadassah Medical School, Department of Biochemistry, Jerusalem 91120, Israel.
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