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Gholivand A, Korculanin O, Dahlhoff K, Babaki M, Dickscheid T, Lettinga MP. Effect of in-plane and out-of-plane bifurcated microfluidic channels on the flow of aggregating red blood cells. LAB ON A CHIP 2024; 24:2317-2326. [PMID: 38545688 DOI: 10.1039/d4lc00151f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
The blood flow through our microvascular system is a renowned difficult process to understand because the complex flow behavior of blood is intertwined with the complex geometry it has to flow through. Conventional 2D microfluidics has provided important insights, but progress is hampered by the limitation of 2-D confinement. Here we use selective laser-induced etching to excavate non-planar 3-D microfluidic channels in glass that consist of two generations of bifurcations, heading towards more physiological geometries. We identify a cross-talk between the first and second bifurcation only when both bifurcations are in the same plane, as observed in 2D microfluidics. Contrarily, the flow in the branch where the second bifurcation is perpendicular to the first is hardly affected by the initial distortion. This difference in flow behavior is only observed when red blood cells are aggregated, due to the presence of dextran, and disappears by increasing the distance between both generations of bifurcations. Thus, 3-D structures scramble in-plane flow distortions, exemplifying the importance of experimenting with truly 3D microfluidic designs in order to understand complex physiological flow behavior.
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Affiliation(s)
- Amirreza Gholivand
- Biomacromolecular Systems and Processes (IBI-4), Research Centre Jülich, 52425 Jülich, Germany.
- Laboratory for Soft Matter and Biophysics, KU Leuven, B-3001 Leuven, Belgium
| | - Olivera Korculanin
- Ernst-Ruska Centre for Microscopy and Spectroscopy with Electrons (ER-C-3 Structural Biology), Research Centre Jülich, 52425 Jülich, Germany
- AG Biophysik, I. Physikalisches Institut (IA), RWTH Aachen University, 52074 Aachen, Germany
| | - Knut Dahlhoff
- Central Institute of Engineering, Electronics and Analytics (ZEA-1), Research Centre Jülich, 52425 Jülich, Germany
| | - Mehrnaz Babaki
- Biomacromolecular Systems and Processes (IBI-4), Research Centre Jülich, 52425 Jülich, Germany.
- Laboratory for Soft Matter and Biophysics, KU Leuven, B-3001 Leuven, Belgium
| | - Timo Dickscheid
- Institute of Neuroscience and Medicine (INM-1), Research Centre Jülich, 52425 Jülich, Germany
- Institute of Computer Science, Heinrich Heine University Düsseldorf, Germany
- Helmholtz AI, Research Centre Jülich, 52425 Jülich, Germany
| | - Minne Paul Lettinga
- Biomacromolecular Systems and Processes (IBI-4), Research Centre Jülich, 52425 Jülich, Germany.
- Laboratory for Soft Matter and Biophysics, KU Leuven, B-3001 Leuven, Belgium
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Kokkinidou D, Kaliviotis E, Shammas C, Anayiotos A, Kapnisis K. An in vivo investigation on the effects of stent implantation on hematological and hemorheological parameters. Clin Hemorheol Microcirc 2024; 87:39-53. [PMID: 38143339 DOI: 10.3233/ch-231921] [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] [Indexed: 12/26/2023]
Abstract
BACKGROUND Even though cardiovascular stenting is widely used for the treatment of coronary artery disease, information on how it can affect the hematological and hemorheological profile is scarce in the literature. Most of the work on this issue is based on theoretical or computational fluid dynamics models, lacking in-depth in vitro and in vivo experimental verification. OBJECTIVE This work investigates, in an in vivo setting, the effects of stenting and the implantation time-course on hematological and hemorheological parameters that could potentially compromise the device's functionality and longevity. METHODS Custom-made self-expanding nitinol stents were implanted in the common carotid artery of male CD1 mice. Whole blood samples were collected from control (non-stented) and stented animals at 5 and 10 weeks post-implantation. Hematological measurements and blood viscosity, red blood cell aggregation, and deformability were performed using standard techniques. RESULTS Implant-induced changes were observed in some of the hematological and hemorheological indices. Blood viscosity seems to have been negatively affected by an increased hematocrit and reduced RBC deformability, at 10 weeks post-implantation, despite a slight decrease in RBC aggregation. CONCLUSIONS Although the alterations observed may be the result of the peri-implant inflammatory response, the physiological consequences due to hemorheological changes need to be further investigated.
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Affiliation(s)
- D Kokkinidou
- Department of Mechanical Engineering and Material Science and Engineering, Cyprus University of Technology, Limassol, Cyprus
| | - E Kaliviotis
- Department of Mechanical Engineering and Material Science and Engineering, Cyprus University of Technology, Limassol, Cyprus
| | - C Shammas
- BIOANALYSIS Clinical Laboratory, Limassol, Cyprus
| | - A Anayiotos
- Department of Mechanical Engineering and Material Science and Engineering, Cyprus University of Technology, Limassol, Cyprus
| | - K Kapnisis
- Department of Mechanical Engineering and Material Science and Engineering, Cyprus University of Technology, Limassol, Cyprus
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Lovegrove JT, Kent B, Förster S, Garvey CJ, Stenzel MH. The flow of anisotropic nanoparticles in solution and in blood. EXPLORATION (BEIJING, CHINA) 2023; 3:20220075. [PMID: 38264690 PMCID: PMC10742203 DOI: 10.1002/exp.20220075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 09/01/2023] [Indexed: 01/25/2024]
Abstract
The alignment of anisotropic nanoparticles in flow has been used for a range of applications such as the preparation of strong fibres and the assembly of in-plane aligned 1D-nanoobjects that are used for electronic devices, sensors, energy and biological application. Important is also the flow behaviour of nanoparticles that were designed for nanomedical applications such as drug delivery. It is widely observed that non-spherical nanoparticles have longer circulation times and a more favourable biodistribution. To be able to understand this behaviour, researchers have turned to analyzing the flow of non-spherical nanoparticles in the blood stream. In this review, an overview of microfluidic techniques that are used to monitor the alignment of anisotropic nanoparticles in solution will be provided, which includes analysis by small angle X-ray scattering (SAXS) and polarized light microscopy. The flow of these nanoparticles in blood is then discussed as the presence of red blood cells causes margination of some nanoparticles. Using fluorescence microscopy, the extent of margination can be identified, which coincides with the ability of nanoparticles to adhere to the cells grown along the wall. While these studies are mainly carried out in vitro using blood, initial investigations in vivo were able to confirm the unusual flow of anisotropic nanoparticles.
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Affiliation(s)
- Jordan Thomas Lovegrove
- Centre for Advanced Macromolecular DesignSchool of ChemistryThe University of New South WalesSydneyNew South WalesAustralia
| | - Ben Kent
- Centre for Advanced Macromolecular DesignSchool of ChemistryThe University of New South WalesSydneyNew South WalesAustralia
| | | | - Christopher J. Garvey
- Forschungsneutronenquelle Heinz Maier‐Leibnitz FRM II and Physik Department E13Technische Universität MünchenGarchingGermany
| | - Martina H. Stenzel
- Centre for Advanced Macromolecular DesignSchool of ChemistryThe University of New South WalesSydneyNew South WalesAustralia
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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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Lovegrove JT, Raveendran R, Spicer P, Förster S, Garvey CJ, Stenzel MH. Margination of 2D Platelet Microparticles in Blood. ACS Macro Lett 2023; 12:344-349. [PMID: 36821525 DOI: 10.1021/acsmacrolett.2c00718] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Margination describes the movement of particles toward the endothelial wall within blood vessels. While there have been several studies tracking the margination of spherical particles in blood, the behavior of anisotropic particle shapes is not well described. In this study 2D platelet particles which possess many attractive qualities for use as a drug delivery system, with their high surface area allowing for increased surface binding activity, were directly monitored and margination quantified. The margination propensity of 1 and 2 μm 2D platelet particles was contrasted to that of 2 μm spherical particles at apparent wall shear rates (WSRs) of 50, 100, and 200 s-1 by both directly tracking labeled particles using fluorescent microscopy as well as using small-angle X-ray scattering (SAXS). For fluorescence studies, margination was quantified using the margination parameter M, which describes the number of particles found closest to the walls of a microfluidic device, with an M-value of 0.2 indicating no margination. Increased margination was seen in 2D platelet particles when compared to spherical particles tested at all flow rates, with M-values of 0.39 and 0.31 seen for 1 and 2 μm 2D platelet particles, respectively, while 2 μm spherical particles had an M-value of 0.21. Similarly, margination was observed qualitatively using SAXS, with increased scattering seen for platelet particles near the microfluidic channel wall. For all particles, increased margination was seen at increasing shear rates.
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Affiliation(s)
- Jordan Thomas Lovegrove
- Centre for Advanced Macromolecular Design, School of Chemistry, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Radhika Raveendran
- Centre for Advanced Macromolecular Design, School of Chemistry, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Patrick Spicer
- School of Chemical Engineering, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Stephan Förster
- Forschungszentrum Jülich GmbH, JCNS-1, Leo-Brandt-Straße, 52428 Jülich, Germany
| | - Christopher J Garvey
- Australian Centre for Neutron Scattering, Australia Nuclear Science and Technology Organization, Lucas Heights, NSW 2234, Australia
- Technische Universität München, Forschungsneutronenquelle Heinz Maier-Leibnitz FRM II and Physik Department E13, Lichtenbergstr. 1, 85747 Garching, Germany
| | - Martina H Stenzel
- Centre for Advanced Macromolecular Design, School of Chemistry, The University of New South Wales, Sydney, NSW 2052, Australia
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Grigorev GV, Lebedev AV, Wang X, Qian X, Maksimov GV, Lin L. Advances in Microfluidics for Single Red Blood Cell Analysis. BIOSENSORS 2023; 13:117. [PMID: 36671952 PMCID: PMC9856164 DOI: 10.3390/bios13010117] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/04/2022] [Accepted: 12/23/2022] [Indexed: 05/24/2023]
Abstract
The utilizations of microfluidic chips for single RBC (red blood cell) studies have attracted great interests in recent years to filter, trap, analyze, and release single erythrocytes for various applications. Researchers in this field have highlighted the vast potential in developing micro devices for industrial and academia usages, including lab-on-a-chip and organ-on-a-chip systems. This article critically reviews the current state-of-the-art and recent advances of microfluidics for single RBC analyses, including integrated sensors and microfluidic platforms for microscopic/tomographic/spectroscopic single RBC analyses, trapping arrays (including bifurcating channels), dielectrophoretic and agglutination/aggregation studies, as well as clinical implications covering cancer, sepsis, prenatal, and Sickle Cell diseases. Microfluidics based RBC microarrays, sorting/counting and trapping techniques (including acoustic, dielectrophoretic, hydrodynamic, magnetic, and optical techniques) are also reviewed. Lastly, organs on chips, multi-organ chips, and drug discovery involving single RBC are described. The limitations and drawbacks of each technology are addressed and future prospects are discussed.
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Affiliation(s)
- Georgii V. Grigorev
- Data Science and Information Technology Research Center, Tsinghua Berkeley Shenzhen Institute, Tsinghua University, Shenzhen 518055, China
- Mechanical Engineering Department, University of California in Berkeley, Berkeley, CA 94720, USA
- School of Information Technology, Cherepovets State University, 162600 Cherepovets, Russia
| | - Alexander V. Lebedev
- Machine Building Department, Bauman Moscow State University, 105005 Moscow, Russia
| | - Xiaohao Wang
- Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Xiang Qian
- Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - George V. Maksimov
- Faculty of Biology, Lomonosov Moscow State University, 119991 Moscow, Russia
- Physical metallurgy Department, Federal State Autonomous Educational Institution of Higher Education National Research Technological University “MISiS”, 119049 Moscow, Russia
| | - Liwei Lin
- Mechanical Engineering Department, University of California in Berkeley, Berkeley, CA 94720, USA
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Lazari D, Freitas Leal JK, Brock R, Bosman G. The Relationship Between Aggregation and Deformability of Red Blood Cells in Health and Disease. Front Physiol 2020; 11:288. [PMID: 32351399 PMCID: PMC7174766 DOI: 10.3389/fphys.2020.00288] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 03/16/2020] [Indexed: 01/08/2023] Open
Abstract
The molecular organization of the membrane of the red blood cell controls cell morphology and function and is thereby a main determinant of red blood cell homeostasis in the circulation. The role of membrane organization is prominently reflected in red blood cell deformation and aggregation. However, there is little knowledge on whether they are controlled by the same membrane property and if so, to what extent. To address the potential interdependence of these two parameters, we measured deformation and aggregation in a variety of physiological as well as pathological conditions. As a first step, we correlated a number of deformability and aggregation parameters in red blood cells from healthy donors, which we obtained in the course of our studies on red blood cell homeostasis in health and disease. This analysis yielded some statistically significant correlations. Also, we found that most of these correlations were absent in misshapen red blood cells that have an inborn defect in the interaction between the membrane and the cytoskeleton. The observations suggest that deformability and aggregation share at least one common, membrane-related molecular mechanism. Together with data obtained after treatment with various agents known to affect membrane organization in vitro, our findings suggest that a phosphorylation-controlled interaction between the cytoskeleton and the integral membrane protein band 3 is part of the membrane-centered mechanism that plays a role in deformability as well as aggregation.
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Affiliation(s)
- Dan Lazari
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Joames Kauffimann Freitas Leal
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Roland Brock
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
| | - Giel Bosman
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, Netherlands
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