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D’Alessandro A. Heavy metals in red blood cells: From "Iron Maiden" to "Lead" Zeppelin. Transfusion 2024; 64:1181-1183. [PMID: 38847096 PMCID: PMC11251841 DOI: 10.1111/trf.17912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2024] [Accepted: 05/19/2024] [Indexed: 06/13/2024]
Affiliation(s)
- Angelo D’Alessandro
- University of Colorado Anschutz Medical Campus, Department of Biochemistry and Molecular Genetics, Aurora, CO, USA
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2
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Nemkov T, Stephenson D, Earley EJ, Keele GR, Hay A, Key A, Haiman ZB, Erickson C, Dzieciatkowska M, Reisz JA, Moore A, Stone M, Deng X, Kleinman S, Spitalnik SL, Hod EA, Hudson KE, Hansen KC, Palsson BO, Churchill GA, Roubinian N, Norris PJ, Busch MP, Zimring JC, Page GP, D'Alessandro A. Biological and genetic determinants of glycolysis: Phosphofructokinase isoforms boost energy status of stored red blood cells and transfusion outcomes. Cell Metab 2024:S1550-4131(24)00232-8. [PMID: 38964323 DOI: 10.1016/j.cmet.2024.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/04/2024] [Accepted: 06/07/2024] [Indexed: 07/06/2024]
Abstract
Mature red blood cells (RBCs) lack mitochondria and thus exclusively rely on glycolysis to generate adenosine triphosphate (ATP) during aging in vivo or storage in blood banks. Here, we leveraged 13,029 volunteers from the Recipient Epidemiology and Donor Evaluation Study to identify associations between end-of-storage levels of glycolytic metabolites and donor age, sex, and ancestry-specific genetic polymorphisms in regions encoding phosphofructokinase 1, platelet (detected in mature RBCs); hexokinase 1 (HK1); and ADP-ribosyl cyclase 1 and 2 (CD38/BST1). Gene-metabolite associations were validated in fresh and stored RBCs from 525 Diversity Outbred mice and via multi-omics characterization of 1,929 samples from 643 human RBC units during storage. ATP and hypoxanthine (HYPX) levels-and the genetic traits linked to them-were associated with hemolysis in vitro and in vivo, both in healthy autologous transfusion recipients and in 5,816 critically ill patients receiving heterologous transfusions, suggesting their potential as markers to improve transfusion outcomes.
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Affiliation(s)
- Travis Nemkov
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, USA; Omix Technologies Inc., Aurora, CO, USA
| | - Daniel Stephenson
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, USA
| | | | | | - Ariel Hay
- Department of Pathology, University of Virginia, Charlottesville, VA, USA
| | - Alicia Key
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, USA
| | - Zachary B Haiman
- Department of Bioengineering, University of California, San Diego, La Jolla, CA, USA
| | - Christopher Erickson
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, USA
| | - Monika Dzieciatkowska
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, USA
| | - Julie A Reisz
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, USA
| | | | - Mars Stone
- Vitalant Research Institute, San Francisco, CA, USA; Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Xutao Deng
- Vitalant Research Institute, San Francisco, CA, USA; Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA
| | | | - Steven L Spitalnik
- Department of Pathology & Cell Biology, Columbia University Irving Medical Center, New York, NY, USA
| | - Eldad A Hod
- Department of Pathology & Cell Biology, Columbia University Irving Medical Center, New York, NY, USA
| | - Krystalyn E Hudson
- Department of Pathology & Cell Biology, Columbia University Irving Medical Center, New York, NY, USA
| | - Kirk C Hansen
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, USA; Omix Technologies Inc., Aurora, CO, USA
| | - Bernhard O Palsson
- Department of Bioengineering, University of California, San Diego, La Jolla, CA, USA
| | | | - Nareg Roubinian
- Vitalant Research Institute, San Francisco, CA, USA; Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA; Kaiser Permanente Northern California Division of Research, Oakland, CA, USA
| | - Philip J Norris
- Vitalant Research Institute, San Francisco, CA, USA; Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Michael P Busch
- Vitalant Research Institute, San Francisco, CA, USA; Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - James C Zimring
- Department of Pathology, University of Virginia, Charlottesville, VA, USA
| | | | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, USA; Omix Technologies Inc., Aurora, CO, USA.
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3
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Nemkov T, Stephenson D, Earley EJ, Keele GR, Hay A, Key A, Haiman Z, Erickson C, Dzieciatkowska M, Reisz JA, Moore A, Stone M, Deng X, Kleinman S, Spitalnik SL, Hod EA, Hudson KE, Hansen KC, Palsson BO, Churchill GA, Roubinian N, Norris PJ, Busch MP, Zimring JC, Page GP, D'Alessandro A. Biological and Genetic Determinants of Glycolysis: Phosphofructokinase Isoforms Boost Energy Status of Stored Red Blood Cells and Transfusion Outcomes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.09.11.557250. [PMID: 38260479 PMCID: PMC10802247 DOI: 10.1101/2023.09.11.557250] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Mature red blood cells (RBCs) lack mitochondria, and thus exclusively rely on glycolysis to generate adenosine triphosphate (ATP) during aging in vivo or storage in the blood bank. Here we leveraged 13,029 volunteers from the Recipient Epidemiology and Donor Evaluation Study to identify an association between end-of-storage levels of glycolytic metabolites and donor age, sex, and ancestry-specific genetic polymorphisms in regions encoding phosphofructokinase 1, platelet (detected in mature RBCs), hexokinase 1, ADP-ribosyl cyclase 1 and 2 (CD38/BST1). Gene-metabolite associations were validated in fresh and stored RBCs from 525 Diversity Outbred mice, and via multi-omics characterization of 1,929 samples from 643 human RBC units during storage. ATP and hypoxanthine levels - and the genetic traits linked to them - were associated with hemolysis in vitro and in vivo, both in healthy autologous transfusion recipients and in 5,816 critically ill patients receiving heterologous transfusions, suggesting their potential as markers to improve transfusion outcomes. eTOC and Highlights Highlights Blood donor age and sex affect glycolysis in stored RBCs from 13,029 volunteers;Ancestry, genetic polymorphisms in PFKP, HK1, CD38/BST1 influence RBC glycolysis;Modeled PFKP effects relate to preventing loss of the total AXP pool in stored RBCs;ATP and hypoxanthine are biomarkers of hemolysis in vitro and in vivo.
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4
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D'Alessandro A, Keele GR, Hay A, Nemkov T, Earley EJ, Stephenson D, Vincent M, Deng X, Stone M, Dzieciatkowska M, Hansen KC, Kleinman S, Spitalnik SL, Roubinian NH, Norris PJ, Busch MP, Page GP, Stockwell BR, Churchill GA, Zimring JC. Ferroptosis regulates hemolysis in stored murine and human red blood cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.11.598512. [PMID: 38915523 PMCID: PMC11195277 DOI: 10.1101/2024.06.11.598512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
Red blood cell (RBC) metabolism regulates hemolysis during aging in vivo and in the blood bank. Here, we leveraged a diversity outbred mouse population to map the genetic drivers of fresh/stored RBC metabolism and extravascular hemolysis upon storage and transfusion in 350 mice. We identify the ferrireductase Steap3 as a critical regulator of a ferroptosis-like process of lipid peroxidation. Steap3 polymorphisms were associated with RBC iron content, in vitro hemolysis, and in vivo extravascular hemolysis both in mice and 13,091 blood donors from the Recipient Epidemiology and Donor evaluation Study. Using metabolite Quantitative Trait Loci analyses, we identified a network of gene products (FADS1/2, EPHX2 and LPCAT3) - enriched in donors of African descent - associated with oxylipin metabolism in stored human RBCs and related to Steap3 or its transcriptional regulator, the tumor protein TP53. Genetic variants were associated with lower in vivo hemolysis in thousands of single-unit transfusion recipients. Highlights Steap3 regulates lipid peroxidation and extravascular hemolysis in 350 diversity outbred miceSteap3 SNPs are linked to RBC iron, hemolysis, vesiculation in 13,091 blood donorsmQTL analyses of oxylipins identified ferroptosis-related gene products FADS1/2, EPHX2, LPCAT3Ferroptosis markers are linked to hemoglobin increments in transfusion recipients. Graphical abstract
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5
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Anastasiadi AT, Arvaniti VZ, Hudson KE, Kriebardis AG, Stathopoulos C, D’Alessandro A, Spitalnik SL, Tzounakas VL. Exploring unconventional attributes of red blood cells and their potential applications in biomedicine. Protein Cell 2024; 15:315-330. [PMID: 38270470 PMCID: PMC11074998 DOI: 10.1093/procel/pwae001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 01/08/2024] [Indexed: 01/26/2024] Open
Affiliation(s)
- Alkmini T Anastasiadi
- Department of Biochemistry, School of Medicine, University of Patras, 26504 Patras, Greece
| | - Vasiliki-Zoi Arvaniti
- Department of Biochemistry, School of Medicine, University of Patras, 26504 Patras, Greece
| | - Krystalyn E Hudson
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York City, NY 10032, USA
| | - Anastasios G Kriebardis
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece
| | | | - Angelo D’Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, 13001 Aurora, CO, USA
| | - Steven L Spitalnik
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York City, NY 10032, USA
| | - Vassilis L Tzounakas
- Department of Biochemistry, School of Medicine, University of Patras, 26504 Patras, Greece
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6
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Scheim DE, Parry PI, Rabbolini DJ, Aldous C, Yagisawa M, Clancy R, Borody TJ, Hoy WE. Back to the Basics of SARS-CoV-2 Biochemistry: Microvascular Occlusive Glycan Bindings Govern Its Morbidities and Inform Therapeutic Responses. Viruses 2024; 16:647. [PMID: 38675987 PMCID: PMC11054389 DOI: 10.3390/v16040647] [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: 03/14/2024] [Revised: 04/12/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Consistent with the biochemistry of coronaviruses as well established over decades, SARS-CoV-2 makes its initial attachment to host cells through the binding of its spike protein (SP) to sialylated glycans (containing the monosaccharide sialic acid) on the cell surface. The virus can then slide over and enter via ACE2. SARS-CoV-2 SP attaches particularly tightly to the trillions of red blood cells (RBCs), platelets and endothelial cells in the human body, each cell very densely coated with sialic acid surface molecules but having no ACE2 or minimal ACE2. These interlaced attachments trigger the blood cell aggregation, microvascular occlusion and vascular damage that underlie the hypoxia, blood clotting and related morbidities of severe COVID-19. Notably, the two human betacoronaviruses that express a sialic acid-cleaving enzyme are benign, while the other three-SARS, SARS-CoV-2 and MERS-are virulent. RBC aggregation experimentally induced in several animal species using an injected polysaccharide caused most of the same morbidities of severe COVID-19. This glycan biochemistry is key to disentangling controversies that have arisen over the efficacy of certain generic COVID-19 treatment agents and the safety of SP-based COVID-19 vaccines. More broadly, disregard for the active physiological role of RBCs yields unreliable or erroneous reporting of pharmacokinetic parameters as routinely obtained for most drugs and other bioactive agents using detection in plasma, with whole-blood levels being up to 30-fold higher. Appreciation of the active role of RBCs can elucidate the microvascular underpinnings of other health conditions, including cardiovascular disease, and therapeutic opportunities to address them.
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Affiliation(s)
- David E. Scheim
- US Public Health Service, Commissioned Corps, Inactive Reserve, Blacksburg, VA 24060, USA
| | - Peter I. Parry
- Children’s Health Research Clinical Unit, Faculty of Medicine, The University of Queensland, South Brisbane, QLD 4101, Australia;
- Department of Psychiatry, Flinders University, Bedford Park, SA 5042, Australia
| | - David J. Rabbolini
- Kolling Institute, Faculty of Medicine and Health, The University of Sydney, St Leonards, NSW 2064, Australia
| | - Colleen Aldous
- College of Health Sciences, University of KwaZulu-Natal, Durban 4041, South Africa;
| | - Morimasa Yagisawa
- Satoshi Omura Memorial Research Institute, Kitasato University, Tokyo 108-8641, Japan
- Louis Pasteur Center for Medical Research, Kyoto 606-8225, Japan
| | - Robert Clancy
- Emeritus Professor, School of Medicine and Public Health, University of Newcastle, Newcastle, NE1 7RU, Australia
| | | | - Wendy E. Hoy
- Emeritus Professor of Medicine, University of Queensland, Herston, QLD 4029, Australia
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7
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Kronstein-Wiedemann R, Tausche K, Kolditz M, Teichert M, Thiel J, Koschel D, Tonn T, Künzel SR. Long-COVID is Associated with Impaired Red Blood Cell Function. Horm Metab Res 2024; 56:318-323. [PMID: 37890507 DOI: 10.1055/a-2186-8108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/29/2023]
Abstract
COVID-19 disease, caused by the severe acute respiratory syndrome virus 2 (SARS-CoV-2), induces a broad spectrum of clinical symptoms ranging from asymptomatic cases to fatal outcomes. About 10-35% of all COVID-19 patients, even those with mild COVID-19 symptoms, continue to show symptoms, i. e., fatigue, shortness of breath, cough, and cognitive dysfunction, after initial recovery. Previously, we and others identified red blood cell precursors as a direct target of SARS-CoV-2 and suggested that SARS-CoV-2 induces dysregulation in hemoglobin- and iron-metabolism contributing to the severe systemic course of COVID-19. Here, we put particular emphasis on differences in parameters of clinical blood gas analysis and hematological parameters of more than 20 healthy and Long-COVID patients, respectively. Long-COVID patients showed impaired oxygen binding to hemoglobin with concomitant increase in carbon monoxide binding. Hand in hand with decreased plasma iron concentration and transferrin saturation, mean corpuscular hemoglobin was elevated in Long-COVID patients compared to healthy donors suggesting a potential compensatory mechanism. Although blood pH was within the physiological range in both groups, base excess- and bicarbonate values were significantly lower in Long-COVID patients. Furthermore, Long-COVID patients displayed reduced lymphocyte levels. The clinical relevance of these findings, e. g., as a cause of chronic immunodeficiency, remains to be investigated in future studies. In conclusion, our data suggest impaired erythrocyte functionality in Long-COVID patients, leading to diminished oxygen supply. This in turn could be an explanation for the CFS, dyspnea and anemia. Further investigations are necessary to identify the underlying pathomechanisms.
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Affiliation(s)
- Romy Kronstein-Wiedemann
- Laboratory for Experimental Transfusion Medicine, Transfusion Medicine, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- German Red Cross Blood Donation Service North-East, Institute for Transfusion Medicine, Dresden, Germany
| | - Kristin Tausche
- Division of Pneumology, Medical Department I, University Hospital Carl Gustav Carus, Dresden, Germany
| | - Martin Kolditz
- Division of Pneumology, Medical Department I, University Hospital Carl Gustav Carus, Dresden, Germany
| | - Madeleine Teichert
- German Red Cross Blood Donation Service North-East, Institute for Transfusion Medicine, Dresden, Germany
| | - Jessica Thiel
- Laboratory for Experimental Transfusion Medicine, Transfusion Medicine, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Dirk Koschel
- Division of Pneumology, Medical Department I, University Hospital Carl Gustav Carus, Dresden, Germany
- Department of Internal Medicine and Pneumology, Fachkrankenhaus Coswig, Lung Center, Coswig, Germany
| | - Torsten Tonn
- Laboratory for Experimental Transfusion Medicine, Transfusion Medicine, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- German Red Cross Blood Donation Service North-East, Institute for Transfusion Medicine, Dresden, Germany
| | - Stephan R Künzel
- Laboratory for Experimental Transfusion Medicine, Transfusion Medicine, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- German Red Cross Blood Donation Service North-East, Institute for Transfusion Medicine, Dresden, Germany
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8
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Tkachenko A. Apoptosis and eryptosis: similarities and differences. Apoptosis 2024; 29:482-502. [PMID: 38036865 DOI: 10.1007/s10495-023-01915-4] [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] [Accepted: 10/29/2023] [Indexed: 12/02/2023]
Abstract
Eryptosis is a regulated cell death (RCD) of mature erythrocytes initially described as a counterpart of apoptosis for enucleated cells. However, over the recent years, a growing number of studies have emphasized certain differences between both cell death modalities. In this review paper, we underline the hallmarks of eryptosis and apoptosis and highlight resemblances and dissimilarities between both RCDs. We summarize and critically discuss differences in the impact of caspase-3, Ca2+ signaling, ROS signaling pathways, opposing roles of casein kinase 1α, protein kinase C, Janus kinase 3, cyclin-dependent kinase 4, and AMP-activated protein kinase to highlight a certain degree of divergence between apoptosis and eryptosis. This review emphasizes the crucial importance of further studies that focus on deepening our knowledge of cell death machinery and identifying novel differences between cell death of nucleated and enucleated cells. This might provide evidence that erythrocytes can be defined as viable entities capable of programmed cell destruction. Additionally, the revealed cell type-specific patterns in cell death can facilitate the development of cell death-modulating therapeutic agents.
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Affiliation(s)
- Anton Tkachenko
- 1st Faculty of Medicine, BIOCEV, Charles University, Průmyslová 595, 25250, Vestec, Czech Republic.
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9
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Tkachenko A, Havranek O. Erythronecroptosis: an overview of necroptosis or programmed necrosis in red blood cells. Mol Cell Biochem 2024:10.1007/s11010-024-04948-8. [PMID: 38427167 DOI: 10.1007/s11010-024-04948-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 01/20/2024] [Indexed: 03/02/2024]
Abstract
Necroptosis is considered a programmed necrosis that requires receptor-interacting protein kinase 1 (RIPK1), receptor-interacting protein kinase 3 (RIPK3), and pore-forming mixed lineage kinase domain-like protein (MLKL) to trigger a regulated cell membrane lysis. Membrane rupture in necroptosis has been shown to fuel innate immune response due to release of damage-associated molecular patterns (DAMPs). Recently published studies indicate that mature erythrocytes can undergo necroptosis as well. In this review, we provide an outline of multiple cell death modes occurring in erythrocytes, discuss possible immunological aspects of diverse erythrocyte cell deaths, summarize available evidence related to the ability of erythrocytes to undergo necroptosis, outline key involved molecular mechanisms, and discuss the potential implication of erythrocyte necroptosis in the physiology and pathophysiology. Furthermore, we aim to highlight the interplay between necroptosis and eryptosis signaling in erythrocytes, emphasizing specific characteristics of these pathways distinct from their counterparts in nucleated cells. Thus, our review provides a comprehensive summary of the current knowledge of necroptosis in erythrocytes. To reflect critical differences between necroptosis of nucleated cells and necroptosis of erythrocytes, we suggest a term erythronecroptosis for necroptosis of enucleated cells.
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Affiliation(s)
- Anton Tkachenko
- BIOCEV, First Faculty of Medicine, Charles University, Prumyslova 595, 25250, Vestec, Czech Republic.
| | - Ondrej Havranek
- BIOCEV, First Faculty of Medicine, Charles University, Prumyslova 595, 25250, Vestec, Czech Republic
- First Department of Internal Medicine-Hematology, General University Hospital and First Faculty of Medicine, Charles University, Prague, Czech Republic
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10
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Chatzinikolaou PN, Margaritelis NV, Paschalis V, Theodorou AA, Vrabas IS, Kyparos A, D'Alessandro A, Nikolaidis MG. Erythrocyte metabolism. Acta Physiol (Oxf) 2024; 240:e14081. [PMID: 38270467 DOI: 10.1111/apha.14081] [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: 07/03/2023] [Revised: 12/11/2023] [Accepted: 01/01/2024] [Indexed: 01/26/2024]
Abstract
Our aim is to present an updated overview of the erythrocyte metabolism highlighting its richness and complexity. We have manually collected and connected the available biochemical pathways and integrated them into a functional metabolic map. The focus of this map is on the main biochemical pathways consisting of glycolysis, the pentose phosphate pathway, redox metabolism, oxygen metabolism, purine/nucleoside metabolism, and membrane transport. Other recently emerging pathways are also curated, like the methionine salvage pathway, the glyoxalase system, carnitine metabolism, and the lands cycle, as well as remnants of the carboxylic acid metabolism. An additional goal of this review is to present the dynamics of erythrocyte metabolism, providing key numbers used to perform basic quantitative analyses. By synthesizing experimental and computational data, we conclude that glycolysis, pentose phosphate pathway, and redox metabolism are the foundations of erythrocyte metabolism. Additionally, the erythrocyte can sense oxygen levels and oxidative stress adjusting its mechanics, metabolism, and function. In conclusion, fine-tuning of erythrocyte metabolism controls one of the most important biological processes, that is, oxygen loading, transport, and delivery.
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Affiliation(s)
- Panagiotis N Chatzinikolaou
- Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, Serres, Greece
| | - Nikos V Margaritelis
- Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, Serres, Greece
| | - Vassilis Paschalis
- School of Physical Education and Sport Science, National and Kapodistrian University of Athens, Athens, Greece
| | - Anastasios A Theodorou
- Department of Life Sciences, School of Sciences, European University Cyprus, Nicosia, Cyprus
| | - Ioannis S Vrabas
- Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, Serres, Greece
| | - Antonios Kyparos
- Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, Serres, Greece
| | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Michalis G Nikolaidis
- Department of Physical Education and Sports Science at Serres, Aristotle University of Thessaloniki, Serres, Greece
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11
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Udroiu I. A Simplified Method for Calculating Surface Area of Mammalian Erythrocytes. Methods Protoc 2024; 7:11. [PMID: 38392685 PMCID: PMC10891711 DOI: 10.3390/mps7010011] [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: 11/19/2023] [Revised: 01/05/2024] [Accepted: 01/22/2024] [Indexed: 02/24/2024] Open
Abstract
Knowledge of the geometric quantities of the erythrocyte is useful in several physiological studies, both for zoologists and veterinarians. While the diameter and volume (MCV) are easily obtained from observations of blood smears and complete blood count, respectively, the thickness and surface area are instead much more difficult to measure. The precise description of the erythrocyte geometry is given by the equation of the oval of Cassini, but the formulas deriving from it are very complex, comprising elliptic integrals. In this article, three solids are proposed as models approximating the erythrocyte: sphere, cylinder and a spheroid with concave caps. The volumes and surface areas obtained with these models are compared to those effectively measured. The spheroid with concave caps gives the best approximation and can be used as a simple model to determine the erythrocyte surface area. With this model, a simple method that allows one to estimate the surface area by knowing only the diameter and MCV is proposed.
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Affiliation(s)
- Ion Udroiu
- Dipartimento di Scienze, Università degli Studi "Roma Tre", 00146 Rome, Italy
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12
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D’Alessandro A, Earley EJ, Nemkov T, Stephenson D, Dzieciatkowska M, Hansen KC, Minetti G, Champigneulle B, Stauffer E, Pichon A, Furian M, Verges S, Kleinman S, Norris PJ, Busch MP, Page GP, Kaestner L. Genetic polymorphisms and expression of Rhesus blood group RHCE are associated with 2,3-bisphosphoglycerate in humans at high altitude. Proc Natl Acad Sci U S A 2024; 121:e2315930120. [PMID: 38147558 PMCID: PMC10769835 DOI: 10.1073/pnas.2315930120] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 10/24/2023] [Indexed: 12/28/2023] Open
Abstract
Red blood cell (RBC) metabolic reprogramming upon exposure to high altitude contributes to physiological human adaptations to hypoxia, a multifaceted process critical to health and disease. To delve into the molecular underpinnings of this phenomenon, first, we performed a multi-omics analysis of RBCs from six lowlanders after exposure to high-altitude hypoxia, with longitudinal sampling at baseline, upon ascent to 5,100 m and descent to sea level. Results highlighted an association between erythrocyte levels of 2,3-bisphosphoglycerate (BPG), an allosteric regulator of hemoglobin that favors oxygen off-loading in the face of hypoxia, and expression levels of the Rhesus blood group RHCE protein. We then expanded on these findings by measuring BPG in RBCs from 13,091 blood donors from the Recipient Epidemiology and Donor Evaluation Study. These data informed a genome-wide association study using BPG levels as a quantitative trait, which identified genetic polymorphisms in the region coding for the Rhesus blood group RHCE as critical determinants of BPG levels in erythrocytes from healthy human volunteers. Mechanistically, we suggest that the Rh group complex, which participates in the exchange of ammonium with the extracellular compartment, may contribute to intracellular alkalinization, thus favoring BPG mutase activity.
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Affiliation(s)
- Angelo D’Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus,Aurora, CO80045
| | - Eric J. Earley
- Research Triangle Institute International, Atlanta, GA30329-4434
| | - Travis Nemkov
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus,Aurora, CO80045
| | - Daniel Stephenson
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus,Aurora, CO80045
| | - Monika Dzieciatkowska
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus,Aurora, CO80045
| | - Kirk C. Hansen
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus,Aurora, CO80045
| | - Giampaolo Minetti
- Department of Biology and Biotechnology, University of Pavia, Pavia27100, Italy
| | - Benoit Champigneulle
- Hypoxia Physiopathology laboratory (HP2), INSERM U1042, Grenoble Alpes University, Grenoble38400, France
| | - Emeric Stauffer
- Laboratoire Interuniversitaire de Biologie de la Motricité (LIBM) EA7424, Université Claude Bernard Lyon 1, Lyon69100, France
| | - Aurélien Pichon
- Université de Poitiers, Laboratoire MOVE,Poitiers20296, France
| | - Michael Furian
- Pulmonology Department, University of Zurich, Zürich 1008091, Switzerland
| | - Samuel Verges
- Hypoxia Physiopathology laboratory (HP2), INSERM U1042, Grenoble Alpes University, Grenoble38400, France
| | - Steven Kleinman
- Department of Pathology and Laborarory Medicine, University of British Columbia, Victoria, BC V6T 1Z4, Canada
| | | | | | - Grier P. Page
- Research Triangle Institute International, Atlanta, GA30329-4434
| | - Lars Kaestner
- Dynamics of Fluids, Experimental Physics, Saarland University, Saarbrücken66123, Germany
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13
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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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14
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Key A, Haiman Z, Palsson BO, D’Alessandro A. Modeling Red Blood Cell Metabolism in the Omics Era. Metabolites 2023; 13:1145. [PMID: 37999241 PMCID: PMC10673375 DOI: 10.3390/metabo13111145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/23/2023] [Accepted: 11/08/2023] [Indexed: 11/25/2023] Open
Abstract
Red blood cells (RBCs) are abundant (more than 80% of the total cells in the human body), yet relatively simple, as they lack nuclei and organelles, including mitochondria. Since the earliest days of biochemistry, the accessibility of blood and RBCs made them an ideal matrix for the characterization of metabolism. Because of this, investigations into RBC metabolism are of extreme relevance for research and diagnostic purposes in scientific and clinical endeavors. The relative simplicity of RBCs has made them an eligible model for the development of reconstruction maps of eukaryotic cell metabolism since the early days of systems biology. Computational models hold the potential to deepen knowledge of RBC metabolism, but also and foremost to predict in silico RBC metabolic behaviors in response to environmental stimuli. Here, we review now classic concepts on RBC metabolism, prior work in systems biology of unicellular organisms, and how this work paved the way for the development of reconstruction models of RBC metabolism. Translationally, we discuss how the fields of metabolomics and systems biology have generated evidence to advance our understanding of the RBC storage lesion, a process of decline in storage quality that impacts over a hundred million blood units transfused every year.
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Affiliation(s)
- Alicia Key
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver, Anschutz Medical Campus, Aurora, CO 80045, USA;
| | - Zachary Haiman
- Department of Bioengineering, University of California, San Diego, CA 92093, USA (B.O.P.)
- Bioinformatics and Systems Biology Program, University of California, San Diego, CA 92093, USA
- Department of Pediatrics, University of California, San Diego, CA 92161, USA
| | - Bernhard O. Palsson
- Department of Bioengineering, University of California, San Diego, CA 92093, USA (B.O.P.)
- Bioinformatics and Systems Biology Program, University of California, San Diego, CA 92093, USA
- Department of Pediatrics, University of California, San Diego, CA 92161, USA
| | - Angelo D’Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver, Anschutz Medical Campus, Aurora, CO 80045, USA;
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15
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D'Alessandro A, Lukens JR, Zimring JC. The role of PIMT in Alzheimer's disease pathogenesis: A novel hypothesis. Alzheimers Dement 2023; 19:5296-5302. [PMID: 37157118 DOI: 10.1002/alz.13115] [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: 03/09/2023] [Accepted: 04/11/2023] [Indexed: 05/10/2023]
Abstract
There are multiple theories of Alzheimer's disease pathogenesis. One major theory is that oxidation of amyloid beta (Aβ) promotes plaque deposition that directly contributes to pathology. A competing theory is that hypomethylation of DNA (due to altered one carbon metabolism) results in pathology through altered gene regulation. Herein, we propose a novel hypothesis involving L-isoaspartyl methyltransferase (PIMT) that unifies the Aβ and DNA hypomethylation hypotheses into a single model. Importantly, the proposed model allows bidirectional regulation of Aβ oxidation and DNA hypomethylation. The proposed hypothesis does not exclude simultaneous contributions by other mechanisms (e.g., neurofibrillary tangles). The new hypothesis is formulated to encompass oxidative stress, fibrillation, DNA hypomethylation, and metabolic perturbations in one carbon metabolism (i.e., methionine and folate cycles). In addition, deductive predictions of the hypothesis are presented both to guide empirical testing of the hypothesis and to provide candidate strategies for therapeutic intervention and/or nutritional modification. HIGHLIGHTS: PIMT repairs L-isoaspartyl groups on amyloid beta and decreases fibrillation. SAM is a common methyl donor for PIMT and DNA methyltransferases. Increased PIMT activity competes with DNA methylation and vice versa. The PIMT hypothesis bridges a gap between plaque and DNA methylation hypotheses.
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Affiliation(s)
- Angelo D'Alessandro
- University of Colorado Denver-Anschutz Medical Campus, Aurora, Colorado, USA
| | - John R Lukens
- Carter Immunology Center and Center for Brain Immunology and Glia, University of Virginia Departments of Pathology and Neuroscience, Charlottesville, Virginia, USA
| | - James C Zimring
- Carter Immunology Center and Center for Brain Immunology and Glia, University of Virginia Departments of Pathology and Neuroscience, Charlottesville, Virginia, USA
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16
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Reisz JA, Dzieciatkowska M, Stephenson D, Gamboni F, Morton DH, D’Alessandro A. Red Blood Cells from Individuals with Lesch-Nyhan Syndrome: Multi-Omics Insights into a Novel S162N Mutation Causing Hypoxanthine-Guanine Phosphoribosyltransferase Deficiency. Antioxidants (Basel) 2023; 12:1699. [PMID: 37760001 PMCID: PMC10525117 DOI: 10.3390/antiox12091699] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/14/2023] [Accepted: 08/25/2023] [Indexed: 09/29/2023] Open
Abstract
Lesch-Nyhan syndrome (LN) is an is an X-linked recessive inborn error of metabolism that arises from a deficiency of purine salvage enzyme hypoxanthine-guanine phosphoribosyltransferase (HPRT). The disease manifests severely, causing intellectual deficits and other neural abnormalities, hypercoagulability, uncontrolled self-injury, and gout. While allopurinol is used to alleviate gout, other symptoms are less understood, impeding treatment. Herein, we present a high-throughput multi-omics analysis of red blood cells (RBCs) from three pediatric siblings carrying a novel S162N HPRT1 mutation. RBCs from both parents-the mother, a heterozygous carrier, and the father, a clinically healthy control-were also analyzed. Global metabolite analysis of LN RBCs shows accumulation of glycolytic intermediates upstream of pyruvate kinase, unsaturated fatty acids, and long chain acylcarnitines. Similarly, highly unsaturated phosphatidylcholines are also elevated in LN RBCs, while free choline is decreased. Intracellular iron, zinc, selenium, and potassium are also decreased in LN RBCs. Global proteomics documented changes in RBC membrane proteins, hemoglobin, redox homeostasis proteins, and the enrichment of coagulation proteins. These changes were accompanied by elevation in protein glutamine deamidation and methylation in the LN children and carrier mother. Treatment with allopurinol incompletely reversed the observed phenotypes in the two older siblings currently on this treatment. This unique data set provides novel opportunities for investigations aimed at potential therapies for LN-associated sequelae.
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Affiliation(s)
- Julie A. Reisz
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; (J.A.R.); (M.D.); (D.S.); (F.G.)
| | - Monika Dzieciatkowska
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; (J.A.R.); (M.D.); (D.S.); (F.G.)
| | - Daniel Stephenson
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; (J.A.R.); (M.D.); (D.S.); (F.G.)
| | - Fabia Gamboni
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; (J.A.R.); (M.D.); (D.S.); (F.G.)
| | - D. Holmes Morton
- Central Pennsylvania Clinic, A Medical Home for Special Children and Adults, Belleville, PA 17004, USA;
| | - Angelo D’Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; (J.A.R.); (M.D.); (D.S.); (F.G.)
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17
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Pirisinu M. The Long Journey of Extracellular Vesicles towards Global Scientific Acclamation. Adv Pharm Bull 2023; 13:489-501. [PMID: 37646064 PMCID: PMC10460810 DOI: 10.34172/apb.2023.049] [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: 02/09/2022] [Revised: 05/22/2022] [Accepted: 07/01/2022] [Indexed: 09/01/2023] Open
Abstract
Extracellular vesicles (EVs) are a heterogeneous class of cell-derived vesicles that are responsible for eliciting a wide array of biological processes. After decades of intense investigation, the therapeutic potential of EVs will be finally explored in a series of upcoming clinical trials. EVs are rapidly changing the understanding of human physiology and will undoubtedly transform the field of medicine. The applicability of EVs as diagnostic biomarkers and treatment vectors has captured the attention of the scientific community and investors, facilitating the rapid progression of numerous EVs-based platforms. This mini-review provides an outline of the pioneering discoveries, and their respective significances, on progressing EVs toward clinical use. We focus the attention of the readers on several promising classes of EVs that hold major opportunities to translate in clinical practice. Market analysis and future challenges facing EVs-based therapies are also discussed.
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Affiliation(s)
- Marco Pirisinu
- Department of Biomedical Sciences, College of Veterinary Medicine and Life Sciences, City, University of Hong Kong, Hong Kong
- Jotbody HK Limited, New Territories, Hong Kong
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18
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D’Alessandro A, Anastasiadi AT, Tzounakas VL, Nemkov T, Reisz JA, Kriebardis AG, Zimring JC, Spitalnik SL, Busch MP. Red Blood Cell Metabolism In Vivo and In Vitro. Metabolites 2023; 13:793. [PMID: 37512500 PMCID: PMC10386156 DOI: 10.3390/metabo13070793] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 06/23/2023] [Accepted: 06/25/2023] [Indexed: 07/30/2023] Open
Abstract
Red blood cells (RBC) are the most abundant cell in the human body, with a central role in oxygen transport and its delivery to tissues. However, omics technologies recently revealed the unanticipated complexity of the RBC proteome and metabolome, paving the way for a reinterpretation of the mechanisms by which RBC metabolism regulates systems biology beyond oxygen transport. The new data and analytical tools also informed the dissection of the changes that RBCs undergo during refrigerated storage under blood bank conditions, a logistic necessity that makes >100 million units available for life-saving transfusions every year worldwide. In this narrative review, we summarize the last decade of advances in the field of RBC metabolism in vivo and in the blood bank in vitro, a narrative largely influenced by the authors' own journeys in this field. We hope that this review will stimulate further research in this interesting and medically important area or, at least, serve as a testament to our fascination with this simple, yet complex, cell.
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Affiliation(s)
- Angelo D’Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; (T.N.); (J.A.R.)
| | - Alkmini T. Anastasiadi
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece; (A.T.A.); (A.G.K.)
- Department of Biochemistry, School of Medicine, University of Patras, 26504 Patras, Greece;
| | - Vassilis L. Tzounakas
- Department of Biochemistry, School of Medicine, University of Patras, 26504 Patras, Greece;
| | - Travis Nemkov
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; (T.N.); (J.A.R.)
| | - Julie A. Reisz
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; (T.N.); (J.A.R.)
| | - Anastsios G. Kriebardis
- Laboratory of Reliability and Quality Control in Laboratory Hematology (HemQcR), Department of Biomedical Sciences, School of Health & Caring Sciences, University of West Attica (UniWA), 12243 Egaleo, Greece; (A.T.A.); (A.G.K.)
| | - James C. Zimring
- Department of Pathology, University of Virginia, Charlottesville, VA 22903, USA;
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19
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Al Qahtani SY. Impact of hyperchloremia on inflammatory markers, serum creatinine, hemoglobin, and outcome in critically ill patients with COVID-19 infection. J Med Life 2023; 16:699-706. [PMID: 37520482 PMCID: PMC10375338 DOI: 10.25122/jml-2023-0013] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 04/05/2023] [Indexed: 08/01/2023] Open
Abstract
Hyperchloremia has negative consequences, such as increased proinflammatory mediators, renal dysfunction, and mortality in patients with septic shock. However, data on the effects of hyperchloremia on COVID-19 infections are scarce. The study aimed to investigate the effects of hyperchloremia on inflammatory markers, serum creatinine, hemoglobin levels, and outcomes in critically ill COVID-19 patients. A retrospective review of all adult patients admitted to the ICU at King Fahd University Hospital with a moderate to severe COVID-19 infection from January 2020 to August 2021 was performed. Serum chloride levels, ferritin, lactate dehydrogenase (LDH), C-reactive protein (CRP), creatinine, and hemoglobin levels were collected on the first and third days of ICU admission. Demographic data, oxygen support modality, ICU length of stay (ICU LOS), renal replacement therapy (RRT), and deaths were collected. Of 420 patients, 255 were included; 97 (38%) had hyperchloremia, while 158 (62%) did not. Hyperchloremic patients had a higher percentage of increases in ferritin (54.6%), CRP (6.2%), and LDH (15.5%) between the first and third days of admission, compared to non-hyperchloremic patients (43.7%, 6.3%, and 5.7%, respectively). The decrease in hemoglobin levels was similar in both groups (p=0.103). There was a significant association between hyperchloremia and an increase in serum creatinine (p<0.0001). Sixty-six (68%) patients required endotracheal intubation in the hyperchloremic group (p=0.003). The mortality rate was significant in the hyperchloremic cohort (p=<0.0001). Hyperchloremia was significantly associated with increased risks of kidney injury, endotracheal intubation, and death. However, hyperchloremia was not associated with increased ferritin, CRP, or hemoglobin decreases in critically ill COVID-19 patients.
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Affiliation(s)
- Shaya Yaanallah Al Qahtani
- Department of Internal Medicine and Critical Care, College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia
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20
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Zhou J, Qiao ML, Jahejo AR, Han XY, Wang P, Wang Y, Ren JL, Niu S, Zhao YJ, Zhang D, Bi YH, Wang QH, Si LL, Fan RW, Shang GJ, Tian WX. Effect of Avian Influenza Virus subtype H9N2 on the expression of complement-associated genes in chicken erythrocytes. Br Poult Sci 2023:1-9. [PMID: 36939295 DOI: 10.1080/00071668.2023.2191308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2023]
Abstract
The H9N2 subtype avian influenza virus can infect both chickens and humans. Previous studies have reported a role for erythrocytes in immunity. However, the role of H9N2 against chicken erythrocytes and the presence of complement-related genes in erythrocytes has not been studied. This research investigated the effect of H9N2 on complement-associated gene expression in chicken erythrocytes. The expression of complement-associated genes (C1s, C1q, C2, C3, C3ar1, C4, C4a, C5, C5ar1, C7, CD93 and CFD) was detected by reverse transcription-polymerase chain reaction (RT-PCR). Quantitative Real-Time PCR (qRT-PCR) was used to analyse the differential expression of complement-associated genes in chicken erythrocytes at 0 h, 2 h, 6 h and 10 h after the interaction between H9N2 virus and chicken erythrocytes in vitro and 3, 7 and 14 d after H9N2 virus nasal infection of chicks. Expression levels of C1q, C4, C1s, C2, C3, C5, C7 and CD93 were significantly up-regulated at 2 h and significantly down-regulated at 10 h. Gene expression levels of C1q, C3ar1, C4a, CFD and C5ar1 were seen to be different at each time point. The expression levels of C1q, C4, C1s, C2, C3, C5, C7, CFD, C3ar1, C4a and C5ar1 were significantly up-regulated at 7 d and the gene expression of levels of C3, CD93 and C5ar1 were seen to be different at each time point. The results confirmed that all the complement-associated genes were expressed in chicken erythrocytes and showed the H9N2 virus interaction with chicken erythrocytes and subsequent regulation of chicken erythrocyte complement-associated genes expression. This study reported, for the first time, the relationship between H9N2 and complement system of chicken erythrocytes, which will provide a foundation for further research into the prevention and control of H9N2 infection.
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Affiliation(s)
- J Zhou
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China.,Shanxi Key Laboratory of protein structure determination, Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
| | - M L Qiao
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China.,Shanxi Key Laboratory of protein structure determination, Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
| | - A R Jahejo
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China.,Shanxi Key Laboratory of protein structure determination, Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
| | - X Y Han
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China.,Shanxi Key Laboratory of protein structure determination, Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
| | - P Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China.,Shanxi Key Laboratory of protein structure determination, Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
| | - Y Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China.,Shanxi Key Laboratory of protein structure determination, Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
| | - J L Ren
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China.,Shanxi Key Laboratory of protein structure determination, Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
| | - S Niu
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China.,Shanxi Key Laboratory of protein structure determination, Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
| | - Y J Zhao
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China.,Shanxi Key Laboratory of protein structure determination, Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
| | - D Zhang
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China.,Shanxi Key Laboratory of protein structure determination, Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
| | - Y H Bi
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, Institute of Microbiology, Center for Influenza Research and Early-warning (CASCIRE), Chinese Academy of Sciences, Beijing, China
| | - Q H Wang
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - L L Si
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - R W Fan
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China.,Shanxi Key Laboratory of protein structure determination, Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
| | - G J Shang
- Shanxi Key Laboratory of protein structure determination, Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
| | - W X Tian
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, China.,Shanxi Key Laboratory of protein structure determination, Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
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21
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Kosenko E, Tikhonova L, Alilova G, Montoliu C. Erythrocytes Functionality in SARS-CoV-2 Infection: Potential Link with Alzheimer's Disease. Int J Mol Sci 2023; 24:5739. [PMID: 36982809 PMCID: PMC10051442 DOI: 10.3390/ijms24065739] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) is a rapidly spreading acute respiratory infection caused by SARS-CoV-2. The pathogenesis of the disease remains unclear. Recently, several hypotheses have emerged to explain the mechanism of interaction between SARS-CoV-2 and erythrocytes, and its negative effect on the oxygen-transport function that depends on erythrocyte metabolism, which is responsible for hemoglobin-oxygen affinity (Hb-O2 affinity). In clinical settings, the modulators of the Hb-O2 affinity are not currently measured to assess tissue oxygenation, thereby providing inadequate evaluation of erythrocyte dysfunction in the integrated oxygen-transport system. To discover more about hypoxemia/hypoxia in COVID-19 patients, this review highlights the need for further investigation of the relationship between biochemical aberrations in erythrocytes and oxygen-transport efficiency. Furthermore, patients with severe COVID-19 experience symptoms similar to Alzheimer's, suggesting that their brains have been altered in ways that increase the likelihood of Alzheimer's. Mindful of the partly assessed role of structural, metabolic abnormalities that underlie erythrocyte dysfunction in the pathophysiology of Alzheimer's disease (AD), we further summarize the available data showing that COVID-19 neurocognitive impairments most probably share similar patterns with known mechanisms of brain dysfunctions in AD. Identification of parameters responsible for erythrocyte function that vary under SARS-CoV-2 may contribute to the search for additional components of progressive and irreversible failure in the integrated oxygen-transport system leading to tissue hypoperfusion. This is particularly relevant for the older generation who experience age-related disorders of erythrocyte metabolism and are prone to AD, and provide an opportunity for new personalized therapies to control this deadly infection.
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Affiliation(s)
- Elena Kosenko
- Institute of Theoretical and Experimental Biophysics of Russian Academy of Sciences, 142290 Pushchino, Russia
| | - Lyudmila Tikhonova
- Institute of Theoretical and Experimental Biophysics of Russian Academy of Sciences, 142290 Pushchino, Russia
| | - Gubidat Alilova
- Institute of Theoretical and Experimental Biophysics of Russian Academy of Sciences, 142290 Pushchino, Russia
| | - Carmina Montoliu
- Hospital Clinico Research Foundation, INCLIVA Health Research Institute, 46010 Valencia, Spain
- Pathology Department, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain
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22
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Cendali FI, Nemkov T, Lisk C, Lacroix IS, Nouraie SM, Zhang Y, Gordeuk VR, Buehler PW, Irwin D, D’Alessandro A. Metabolic correlates to critical speed in murine models of sickle cell disease. Front Physiol 2023; 14:1151268. [PMID: 37007990 PMCID: PMC10053510 DOI: 10.3389/fphys.2023.1151268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 03/03/2023] [Indexed: 03/16/2023] Open
Abstract
Introduction: Exercise intolerance is a common clinical manifestation in patients with sickle cell disease (SCD), though the mechanisms are incompletely understood. Methods: Here we leverage a murine mouse model of sickle cell disease, the Berkeley mouse, to characterize response to exercise via determination of critical speed (CS), a functional measurement of mouse running speed upon exerting to exhaustion. Results: Upon observing a wide distribution in critical speed phenotypes, we systematically determined metabolic aberrations in plasma and organs-including heart, kidney, liver, lung, and spleen-from mice ranked based on critical speed performances (top vs. bottom 25%). Results indicated clear signatures of systemic and organ-specific alterations in carboxylic acids, sphingosine 1-phosphate and acylcarnitine metabolism. Metabolites in these pathways showed significant correlations with critical speed across all matrices. Findings from murine models were thus further validated in 433 sickle cell disease patients (SS genotype). Metabolomics analyses of plasma from 281 subjects in this cohort (with HbA < 10% to decrease confounding effects of recent transfusion events) were used to identify metabolic correlates to sub-maximal exercise test performances, as measure by 6 min walking test in this clinical cohort. Results confirmed strong correlation between test performances and dysregulated levels of circulating carboxylic acids (especially succinate) and sphingosine 1-phosphate. Discussion: We identified novel circulating metabolic markers of exercise intolerance in mouse models of sickle cell disease and sickle cell patients.
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Affiliation(s)
- Francesca I. Cendali
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver, Aurora, CO, United States
| | - Travis Nemkov
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver, Aurora, CO, United States
| | - Christina Lisk
- Department of Pulmonology, University of Colorado Denver, Aurora, CO, United States
| | - Ian S. Lacroix
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver, Aurora, CO, United States
| | - Seyed-Mehdi Nouraie
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
| | - Yingze Zhang
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
| | - Victor R. Gordeuk
- Department of Medicine, University of Illinois at Chicago, Chicago, IL, United States
| | - Paul W. Buehler
- Department of Pathology, University of Maryland, Baltimore, MD, United States
- Center for Blood Oxygen Transport, Department of Pediatrics, Baltimore, MD, United States
| | - David Irwin
- Department of Pulmonology, University of Colorado Denver, Aurora, CO, United States
| | - Angelo D’Alessandro
- Department of Pulmonology, University of Colorado Denver, Aurora, CO, United States
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23
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Liang N, Jiao Z, Zhang C, Wu Y, Wang T, Li S, Wang Y, Song T, Chen J, Liang H, Chen Q. Mature Red Blood Cells Contain Long DNA Fragments and Could Acquire DNA from Lung Cancer Tissue. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2206361. [PMID: 36599687 PMCID: PMC9982546 DOI: 10.1002/advs.202206361] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Indexed: 06/17/2023]
Abstract
Red blood cells (RBC) are commonly known as cells with no nucleus or mitochondria and are assumed to be a transportation vehicle. This study confirms that RBC contain long DNA fragments inside with stain by both microscope and flow cytometry, which covers most nuclear and mitochondrial genome regions by next-generation sequencing (NGS). Such characteristics demonstrate a significant difference compared with A549 cell line or paired peripheral blood mononuclear cell as nucleated cells. To further explore the characteristics of RNA DNA, DNA from 20 RBC samples is sequenced by NGS. Interestingly, several gaps and multiple regions with copy number variation are observed significantly different between different samples, which could be used to distinguish samples with different health status accurately. Using an in vitro co-culture system, it is shown that RBC could absorb DNA-bearing tumorigenic mutations from cancer cell lines but requires cell-to-cell contact. Finally, based on a small scale clinical trial, it is confirmed that common genetic mutations of cancer tissues could be detected in RBC from patients with early-stage non-small-cell lung cancer. This study highlights a new biological phenomenon involving RBC and its translational potential as a novel liquid biopsy technology platform for early cancer screening and diagnosis of malignancy.
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Affiliation(s)
- Naixin Liang
- Department of Thoracic SurgeryPeking Union Medical College HospitalChinese Academy of Medical SciencesBeijing100730China
| | - Zichen Jiao
- Department of Thoracic SurgeryNanjing Drum Tower HospitalThe Affiliated Hospital of Nanjing University Medical SchoolNanjingJiangsu210093China
| | - Cong Zhang
- The State Key Laboratory of Pharmaceutical BiotechnologySchool of Life SciencesNanjing UniversityNanjingJiangsu210023China
| | - Yifan Wu
- The State Key Laboratory of Pharmaceutical BiotechnologySchool of Life SciencesNanjing UniversityNanjingJiangsu210023China
| | - Tao Wang
- Department of Thoracic SurgeryNanjing Drum Tower HospitalThe Affiliated Hospital of Nanjing University Medical SchoolNanjingJiangsu210093China
| | - Shanqing Li
- Department of Thoracic SurgeryPeking Union Medical College HospitalChinese Academy of Medical SciencesBeijing100730China
| | - Yadong Wang
- Department of Thoracic SurgeryPeking Union Medical College HospitalChinese Academy of Medical SciencesBeijing100730China
| | - Tianqiang Song
- The State Key Laboratory of Pharmaceutical BiotechnologySchool of Life SciencesNanjing UniversityNanjingJiangsu210023China
| | - Jian‐Qun Chen
- The State Key Laboratory of Pharmaceutical BiotechnologySchool of Life SciencesNanjing UniversityNanjingJiangsu210023China
| | - Hongwei Liang
- School of Life Sciences and TechnologyChina Pharmaceutical UniversityNanjingJiangsu210009China
| | - Qihan Chen
- Department of Thoracic SurgeryNanjing Drum Tower HospitalThe Affiliated Hospital of Nanjing University Medical SchoolNanjingJiangsu210093China
- Medical School of Nanjing UniversityNanjingJiangsu210093China
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24
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Lindqvist HM, Winkvist A, Gjertsson I, Calder PC, Armando AM, Quehenberger O, Coras R, Guma M. Influence of Dietary n-3 Long Chain Polyunsaturated Fatty Acid Intake on Oxylipins in Erythrocytes of Women with Rheumatoid Arthritis. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020717. [PMID: 36677774 PMCID: PMC9863541 DOI: 10.3390/molecules28020717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 01/04/2023] [Accepted: 01/10/2023] [Indexed: 01/13/2023]
Abstract
Oxylipins derived from n-3 fatty acids are suggested as the link between these fatty acids and reduced inflammation. The aim of the present study was to explore the effect of a randomized controlled cross-over intervention on oxylipin patterns in erythrocytes. Twenty-three women with rheumatoid arthritis completed 2 × 11-weeks exchanging one cooked meal per day, 5 days a week, for a meal including 75 g blue mussels (source for n-3 fatty acids) or 75 g meat. Erythrocyte oxylipins were quantified by liquid chromatography-tandem mass spectrometry (LC-MS/MS). The results were analyzed with multivariate data analysis. Orthogonal projections to latent structures (OPLS) with effect projections and with discriminant analysis were performed to compare the two diets' effects on oxylipins. Wilcoxon signed rank test was used to test pre and post values for each dietary period as well as post blue-mussel vs. post meat. The blue-mussel diet led to significant changes in a few oxylipins from the precursor fatty acids arachidonic acid and dihomo-ɣ-linolenic acid. Despite significant changes in eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) and free EPA in erythrocytes in the mussel group, no concurrent changes in their oxylipins were seen. Further research is needed to study the link between n-3 fatty-acid intake, blood oxylipins, and inflammation.
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Affiliation(s)
- Helen M. Lindqvist
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, 405 30 Gothenburg, Sweden
- Correspondence: (H.M.L.); (P.C.C.)
| | - Anna Winkvist
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, 405 30 Gothenburg, Sweden
| | - Inger Gjertsson
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, 405 30 Gothenburg, Sweden
| | - Philip C. Calder
- School of Human Development and Health, Faculty of Medicine, University of Southampton, Southampton SO16 6YD, UK
- NIHR Southampton Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust and University of Southampton, Southampton SO16 6YD, UK
- Correspondence: (H.M.L.); (P.C.C.)
| | - Aaron M. Armando
- Department of Pharmacology, School of Medicine, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Oswald Quehenberger
- Department of Pharmacology, School of Medicine, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Roxana Coras
- Department of Medicine, School of Medicine, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Monica Guma
- Department of Medicine, School of Medicine, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
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25
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Pereira-Veiga T, Bravo S, Gómez-Tato A, Yáñez-Gómez C, Abuín C, Varela V, Cueva J, Palacios P, Dávila-Ibáñez AB, Piñeiro R, Vilar A, Chantada-Vázquez MDP, López-López R, Costa C. Red Blood Cells Protein Profile Is Modified in Breast Cancer Patients. Mol Cell Proteomics 2022; 21:100435. [PMID: 36519745 PMCID: PMC9713370 DOI: 10.1016/j.mcpro.2022.100435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 10/14/2022] [Accepted: 10/24/2022] [Indexed: 11/06/2022] Open
Abstract
Metastasis is the primary cause of death for most breast cancer (BC) patients who succumb to the disease. During the hematogenous dissemination, circulating tumor cells interact with different blood components. Thus, there are microenvironmental and systemic processes contributing to cancer regulation. We have recently published that red blood cells (RBCs) that accompany circulating tumor cells have prognostic value in metastatic BC patients. RBC alterations are related to several diseases. Although the principal known role is gas transport, it has been recently assigned additional functions as regulatory cells on circulation. Hence, to explore their potential contribution to tumor progression, we characterized the proteomic composition of RBCs from 53 BC patients from stages I to III and IV, compared with 33 cancer-free controls. In this work, we observed that RBCs from BC patients showed a different proteomic profile compared to cancer-free controls and between different tumor stages. The differential proteins were mainly related to extracellular components, proteasome, and metabolism. Embryonic hemoglobins, not expected in adults' RBCs, were detected in BC patients. Besides, lysosome-associated membrane glycoprotein 2 emerge as a new RBCs marker with diagnostic and prognostic potential for metastatic BC patients. Seemingly, RBCs are acquiring modifications in their proteomic composition that probably represents the systemic cancer disease, conditioned by the tumor microenvironment.
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Affiliation(s)
- Thais Pereira-Veiga
- Roche-Chus Joint Unit, Translational Medical Oncology Group, Oncomet, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Susana Bravo
- Proteomic Unit, Instituto de Investigaciones Sanitarias-IDIS, Complejo Hospitalario Universitario de Santiago de Compostela (CHUS), Santiago de Compostela, Spain
| | - Antonio Gómez-Tato
- CITMAga, University of Santiago de Compostela (Campus Vida), Santiago de Compostela, Spain
| | - Celso Yáñez-Gómez
- Roche-Chus Joint Unit, Translational Medical Oncology Group, Oncomet, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Carmen Abuín
- Roche-Chus Joint Unit, Translational Medical Oncology Group, Oncomet, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Vanesa Varela
- Department of Oncology, University Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
| | - Juan Cueva
- Department of Oncology, University Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
| | - Patricia Palacios
- Department of Oncology, University Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
| | - Ana B Dávila-Ibáñez
- Roche-Chus Joint Unit, Translational Medical Oncology Group, Oncomet, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain; CIBERONC, Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain
| | - Roberto Piñeiro
- Roche-Chus Joint Unit, Translational Medical Oncology Group, Oncomet, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain; CIBERONC, Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain
| | - Ana Vilar
- Department of Gynecology, University Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain
| | - María Del Pilar Chantada-Vázquez
- Proteomic Unit, Instituto de Investigaciones Sanitarias-IDIS, Complejo Hospitalario Universitario de Santiago de Compostela (CHUS), Santiago de Compostela, Spain
| | - Rafael López-López
- Roche-Chus Joint Unit, Translational Medical Oncology Group, Oncomet, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain; Department of Oncology, University Hospital of Santiago de Compostela (SERGAS), Santiago de Compostela, Spain; CIBERONC, Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.
| | - Clotilde Costa
- Roche-Chus Joint Unit, Translational Medical Oncology Group, Oncomet, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain; CIBERONC, Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain.
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26
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Moore A, Busch MP, Dziewulska K, Francis RO, Hod EA, Zimring JC, D’Alessandro A, Page GP. Genome-wide metabolite quantitative trait loci analysis (mQTL) in red blood cells from volunteer blood donors. J Biol Chem 2022; 298:102706. [PMID: 36395887 PMCID: PMC9763692 DOI: 10.1016/j.jbc.2022.102706] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/08/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022] Open
Abstract
The red blood cell (RBC)-Omics study, part of the larger NHLBI-funded Recipient Epidemiology and Donor Evaluation Study (REDS-III), aims to understand the genetic contribution to blood donor RBC characteristics. Previous work identified donor demographic, behavioral, genetic, and metabolic underpinnings to blood donation, storage, and (to a lesser extent) transfusion outcomes, but none have yet linked the genetic and metabolic bodies of work. We performed a genome-wide association (GWA) analysis using RBC-Omics study participants with generated untargeted metabolomics data to identify metabolite quantitative trait loci in RBCs. We performed GWA analyses of 382 metabolites in 243 individuals imputed using the 1000 Genomes Project phase 3 all-ancestry reference panel. Analyses were conducted using ProbABEL and adjusted for sex, age, donation center, number of whole blood donations in the past 2 years, and first 10 principal components of ancestry. Our results identified 423 independent genetic loci associated with 132 metabolites (p < 5×10-8). Potentially novel locus-metabolite associations were identified for the region encoding heme transporter FLVCR1 and choline and for lysophosphatidylcholine acetyltransferase LPCAT3 and lysophosphatidylserine 16.0, 18.0, 18.1, and 18.2; these associations are supported by published rare disease and mouse studies. We also confirmed previous metabolite GWA results for associations, including N(6)-methyl-L-lysine and protein PYROXD2 and various carnitines and transporter SLC22A16. Association between pyruvate levels and G6PD polymorphisms was validated in an independent cohort and novel murine models of G6PD deficiency (African and Mediterranean variants). We demonstrate that it is possible to perform metabolomics-scale GWA analyses with a modest, trans-ancestry sample size.
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Affiliation(s)
- Amy Moore
- Division of Biostatistics and Epidemiology, RTI International, Atlanta, Georgia, USA
| | | | - Karolina Dziewulska
- Department of Pathology, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Richard O. Francis
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, New York, USA
| | - Eldad A. Hod
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, New York, USA
| | - James C. Zimring
- Department of Pathology, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Angelo D’Alessandro
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, New York, USA,Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, CO, USA,For correspondence: Grier P. Page; Angelo D’Alessandro
| | - Grier P. Page
- Division of Biostatistics and Epidemiology, RTI International, Atlanta, Georgia, USA,For correspondence: Grier P. Page; Angelo D’Alessandro
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27
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D’Alessandro A. Editorial: Rising stars in red blood cell physiology: 2022. Front Physiol 2022; 13:1020144. [PMID: 36160846 PMCID: PMC9501848 DOI: 10.3389/fphys.2022.1020144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 08/17/2022] [Indexed: 11/17/2022] Open
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28
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Al-kuraishy HM, Al-Gareeb AI, Kaushik A, Kujawska M, Batiha GES. Hemolytic anemia in COVID-19. Ann Hematol 2022; 101:1887-1895. [PMID: 35802164 PMCID: PMC9263052 DOI: 10.1007/s00277-022-04907-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 06/25/2022] [Indexed: 12/15/2022]
Abstract
COVID-19 is a global pandemic triggered by the severe acute respiratory syndrome-coronavirus 2 (SARS-CoV-2). The SARS-CoV-2 entry point involves the interaction with angiotensin-converting enzyme 2 (ACE2) receptor, CD147, and erythrocyte Band3 protein. Hemolytic anemia has been linked to COVID-19 through induction of autoimmune hemolytic anemia (AIHA) caused by the formation of autoantibodies (auto-Abs) or directly through CD147 or erythrocyte Band3 protein-mediated erythrocyte injury. Here, we aim to provide a comprehensive view of the potential mechanisms contributing to hemolytic anemia during the SARS-CoV-2 infection. Taken together, data discussed here highlight that SARS-CoV-2 infection may lead to hemolytic anemia directly through cytopathic injury or indirectly through induction of auto-Abs. Thus, as SARS-CoV-2-induced hemolytic anemia is increasingly associated with COVID-19, early detection and management of this condition may prevent the poor prognostic outcomes in COVID-19 patients. Moreover, since hemolytic exacerbations may occur upon medicines for COVID-19 treatment and anti-SARS-CoV-2 vaccination, continued monitoring for complications is also required. Given that, intelligent nanosystems offer tools for broad-spectrum testing and early diagnosis of the infection, even at point-of-care sites.
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Affiliation(s)
- Hayder M. Al-kuraishy
- Department of Clinical Pharmacology and Medicine, College of Medicine, ALmustansiriyia University, M.B.Ch.B, FRCP, Baghdad, Iraq
| | - Ali I. Al-Gareeb
- Department of Clinical Pharmacology and Medicine, College of Medicine, ALmustansiriyia University, M.B.Ch.B, FRCP, Baghdad, Iraq
| | - Ajeet Kaushik
- NanoBioTech Laboratory, Department of Environmental Engineering, Florida Polytechnic University, Lakeland, FL 33805-8531 USA
| | - Małgorzata Kujawska
- Department of Toxicology, Faculty of Pharmacy, Poznan University of Medical Sciences, Dojazd 30, 60-631 Poznań, Poland
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, Al Beheira, Egypt
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29
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Nemkov T, Yoshida T, Nikulina M, D’Alessandro A. High-Throughput Metabolomics Platform for the Rapid Data-Driven Development of Novel Additive Solutions for Blood Storage. Front Physiol 2022; 13:833242. [PMID: 35360223 PMCID: PMC8964052 DOI: 10.3389/fphys.2022.833242] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 02/23/2022] [Indexed: 02/04/2023] Open
Abstract
Red blood cell transfusion is a life-saving intervention, and storage is a logistic necessity to make ~110 million units available for transfusion every year worldwide. However, storage in the blood bank is associated with a progressive metabolic decline, which correlates with the accumulation of morphological lesions, increased intra- and extra-vascular hemolysis upon transfusion, and altered oxygen binding/off-loading kinetics. Prior to storage, red blood cells are suspended in nutrient formulations known as additive solutions to prolong cellular viability. Despite a thorough expansion of knowledge regarding red blood cell biology over the past few decades, only a single new additive solution has been approved by the Food and Drug Administration this century, owing in part to the limited capacity for development of novel formulations. As a proof of principle, we leveraged a novel high-throughput metabolomics technology as a platform for rapid data-driven development and screening of novel additive solutions for blood storage under both normoxic and hypoxic conditions. To this end, we obtained leukocyte-filtered red blood cells (RBCs) and stored them under normoxic or hypoxic conditions in 96 well plates (containing polyvinylchloride plasticized with diethylhexylphthalate to concentrations comparable to full size storage units) in the presence of an additive solution supplemented with six different compounds. To inform this data-driven strategy, we relied on previously identified metabolic markers of the RBC storage lesion that associates with measures of hemolysis and post-transfusion recovery, which are the FDA gold standards to predict stored blood quality, as well as and metabolic predictors of oxygen binding/off-loading parameters. Direct quantitation of these predictors of RBC storage quality were used here-along with detailed pathway analysis of central energy and redox metabolism-as a decision-making tool to screen novel additive formulations in a multiplexed fashion. Candidate supplements are shown here that boost-specific pathways. These metabolic effects are only in part dependent on the SO2 storage conditions. Through this platform, we anticipate testing thousands of novel additives and combinations thereof in the upcoming months.
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Affiliation(s)
- Travis Nemkov
- Omix Technologies Inc., Denver, CO, United States
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, CO, United States
| | | | | | - Angelo D’Alessandro
- Omix Technologies Inc., Denver, CO, United States
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, CO, United States
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30
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Circulating primitive murine erythroblasts undergo complex proteomic and metabolomic changes during terminal maturation. Blood Adv 2022; 6:3072-3089. [PMID: 35139174 PMCID: PMC9131905 DOI: 10.1182/bloodadvances.2021005975] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 01/31/2022] [Indexed: 11/20/2022] Open
Abstract
Terminal maturation of primary murine primitive erythroid precursors is characterized by loss of organelles and anabolic components. Metabolic reprogramming includes depression of mitochondrial metabolism and upregulation of the pentose phosphate pathway and redox metabolism.
Primitive erythropoiesis is a critical component of the fetal cardiovascular network and is essential for the growth and survival of the mammalian embryo. The need to rapidly establish a functional cardiovascular system is met, in part, by the intravascular circulation of primitive erythroid precursors that mature as a single semisynchronous cohort. To better understand the processes that regulate erythroid precursor maturation, we analyzed the proteome, metabolome, and lipidome of primitive erythroblasts isolated from embryonic day (E) 10.5 and E12.5 of mouse gestation, representing their transition from basophilic erythroblast to orthochromatic erythroblast (OrthoE) stages of maturation. Previous transcriptional and biomechanical characterizations of these precursors have highlighted a transition toward the expression of protein elements characteristic of mature red blood cell structure and function. Our analysis confirmed a loss of organelle-specific protein components involved in messenger RNA processing, proteostasis, and metabolism. In parallel, we observed metabolic rewiring toward the pentose phosphate pathway, glycolysis, and the Rapoport-Luebering shunt. Activation of the pentose phosphate pathway in particular may have stemmed from increased expression of hemoglobin chains and band 3, which together control oxygen-dependent metabolic modulation. Increased expression of several antioxidant enzymes also indicated modification to redox homeostasis. In addition, accumulation of oxylipins and cholesteryl esters in primitive OrthoE cells was paralleled by increased transcript levels of the p53-regulated cholesterol transporter (ABCA1) and decreased transcript levels of cholesterol synthetic enzymes. The present study characterizes the extensive metabolic rewiring that occurs in primary embryonic erythroid precursors as they prepare to enucleate and continue circulating without internal organelles.
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31
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Stephenson D, Nemkov T, Qadri SM, Sheffield WP, D’Alessandro A. Inductively-Coupled Plasma Mass Spectrometry-Novel Insights From an Old Technology Into Stressed Red Blood Cell Physiology. Front Physiol 2022; 13:828087. [PMID: 35197866 PMCID: PMC8859330 DOI: 10.3389/fphys.2022.828087] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 01/17/2022] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Ion and metal homeostasis are critical to red blood cell physiology and Inductively Coupled Plasma (ICP) is a decades old approach to pursue elemental analysis. Recent evolution of ICP has resulted in its coupling to mass spectrometry (MS) instead of atomic absorption/emission. METHODS Here we performed Inductively-coupled plasma mass spectrometry (ICP-MS) measurements of intra- and extra-cellular Na, K, Ca, Mg, Fe, and Cu in red blood cells undergoing ionic, heat, or starvation stress. Results were correlated with Ca measurements from other common platforms (e.g., fluorescence-based approaches) and extensive measurements of red blood cell metabolism. RESULTS All stresses induced significant intra- and extracellular alterations of all measured elements. In particular, ionomycin treatment or hypertonic stress significantly impacted intracellular sodium and extracellular potassium and magnesium levels. Iron efflux was observed as a function of temperatures, with ionic and heat stress at 40°C causing the maximum decrease in intracellular iron pools and increases in the supernatants. Strong positive correlation was observed between calcium measurements via ICP-MS and fluorescence-based approaches. Correlation analyses with metabolomics data showed a strong positive association between extracellular calcium and intracellular sodium or magnesium levels and intracellular glycolysis. Extracellular potassium or iron were positively correlated with free fatty acids (especially mono-, poly-, and highly-unsaturated or odd-chain fatty acid products of lipid peroxidation). Intracellular iron was instead positively correlated with saturated fatty acids (palmitate, stearate) and negatively with methionine metabolism (methionine, S-adenosylmethionine), phosphatidylserine exposure and glycolysis. CONCLUSION In the era of omics approaches, ICP-MS affords a comprehensive characterization of intracellular elements that provide direct insights on red blood cell physiology and represent meaningful covariates for data generated via other omics platforms such as metabolomics.
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Affiliation(s)
- Daniel Stephenson
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver–Anschutz Medical Campus, Aurora, CO, United States
| | - Travis Nemkov
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver–Anschutz Medical Campus, Aurora, CO, United States
| | - Syed M. Qadri
- Faculty of Health Sciences, Ontario Tech University, Oshawa, ON, Canada
| | - William P. Sheffield
- Centre for Innovation, Canadian Blood Services, Hamilton, ON, Canada
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
| | - Angelo D’Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver–Anschutz Medical Campus, Aurora, CO, United States
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32
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Recktenwald SM, Simionato G, Lopes MGM, Gamboni F, Dzieciatkowska M, Meybohm P, Zacharowski K, von Knethen A, Wagner C, Kaestner L, D'Alessandro A, Quint S. Cross-talk between red blood cells and plasma influences blood flow and omics phenotypes in severe COVID-19. eLife 2022; 11:81316. [PMID: 36537079 PMCID: PMC9767455 DOI: 10.7554/elife.81316] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 11/27/2022] [Indexed: 12/24/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19) is caused by the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) and can affect multiple organs, among which is the circulatory system. Inflammation and mortality risk markers were previously detected in COVID-19 plasma and red blood cells (RBCs) metabolic and proteomic profiles. Additionally, biophysical properties, such as deformability, were found to be changed during the infection. Based on such data, we aim to better characterize RBC functions in COVID-19. We evaluate the flow properties of RBCs in severe COVID-19 patients admitted to the intensive care unit by using microfluidic techniques and automated methods, including artificial neural networks, for an unbiased RBC analysis. We find strong flow and RBC shape impairment in COVID-19 samples and demonstrate that such changes are reversible upon suspension of COVID-19 RBCs in healthy plasma. Vice versa, healthy RBCs resemble COVID-19 RBCs when suspended in COVID-19 plasma. Proteomics and metabolomics analyses allow us to detect the effect of plasma exchanges on both plasma and RBCs and demonstrate a new role of RBCs in maintaining plasma equilibria at the expense of their flow properties. Our findings provide a framework for further investigations of clinical relevance for therapies against COVID-19 and possibly other infectious diseases.
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Affiliation(s)
- Steffen M Recktenwald
- Dynamics of Fluids, Department of Experimental Physics, Saarland UniversitySaarbrückenGermany
| | - Greta Simionato
- Dynamics of Fluids, Department of Experimental Physics, Saarland UniversitySaarbrückenGermany,Institute for Clinical and Experimental Surgery, Campus University Hospital, Saarland UniversityHomburgGermany
| | - Marcelle GM Lopes
- Dynamics of Fluids, Department of Experimental Physics, Saarland UniversitySaarbrückenGermany,Cysmic GmbHSaarbrückenGermany
| | - Fabia Gamboni
- Department of Biochemistry and Molecular Genetics, University of Colorado DenverAuroraUnited States
| | - Monika Dzieciatkowska
- Department of Biochemistry and Molecular Genetics, University of Colorado DenverAuroraUnited States
| | - Patrick Meybohm
- Department of Anesthesiology, Intensive Care, Emergency and Pain Medicine, University Hospital WuerzburgWuerzburgGermany
| | - Kai Zacharowski
- Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital FrankfurtFrankfurtGermany,Fraunhofer Institute for Translational Medicine and Pharmacology ITMPFrankfurtGermany
| | - Andreas von Knethen
- Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital FrankfurtFrankfurtGermany,Fraunhofer Institute for Translational Medicine and Pharmacology ITMPFrankfurtGermany
| | - Christian Wagner
- Dynamics of Fluids, Department of Experimental Physics, Saarland UniversitySaarbrückenGermany,Department of Physics and Materials Science, University of LuxembourgLuxembourg CityLuxembourg
| | - Lars Kaestner
- Dynamics of Fluids, Department of Experimental Physics, Saarland UniversitySaarbrückenGermany,Theoretical Medicine and Biosciences, Campus University Hospital, Saarland UniversityHomburgGermany
| | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado DenverAuroraUnited States
| | - Stephan Quint
- Dynamics of Fluids, Department of Experimental Physics, Saarland UniversitySaarbrückenGermany,Cysmic GmbHSaarbrückenGermany
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McBurney MI, Tintle NL, Harris WS. Omega-3 index is directly associated with a healthy red blood cell distribution width. Prostaglandins Leukot Essent Fatty Acids 2022; 176:102376. [PMID: 34839221 DOI: 10.1016/j.plefa.2021.102376] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/15/2021] [Accepted: 11/18/2021] [Indexed: 11/24/2022]
Abstract
Low red blood cell (RBC) membrane content of EPA and DHA, i.e., the omega-3 index (O3I), and elevated RBC distribution width (RDW) are risk factors for all-cause mortality. O3I and RDW are related with membrane fluidity and deformability. Our objective was to determine if there is a relationship between O3I and RDW in healthy adults. Subjects without inflammation or anemia, and with values for O3I, RDW, high-sensitivity C-reactive protein (CRP), body mass index (BMI), age and sex were identified (n = 25,485) from a clinical laboratory dataset of > 45,000 individuals. RDW was inversely associated with O3I in both sexes before and after (both p < 0.00001) adjusting models for sex, age, BMI and CRP. Stratification by sex revealed a sex-O3I interaction with the RDW-O3I slope (p < 0.00066) being especially steep in females with O3I ≤ 5.6%. In healthy adults of both sexes, the data suggested that an O3I of > 5.6% may help maintain normal RBC structural and functional integrity.
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Affiliation(s)
- Michael I McBurney
- Fatty Acid Research Institute, Sioux Falls, SD 57106, United States of America; Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada; Division of Biochemical and Molecular Biology, Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA 02111, United States of America.
| | - Nathan L Tintle
- Fatty Acid Research Institute, Sioux Falls, SD 57106, United States of America; Department of Population Health Nursing Science, College of Nursing, University of Illinois - Chicago, Chicago, IL 60612, United States of America
| | - William S Harris
- Fatty Acid Research Institute, Sioux Falls, SD 57106, United States of America; Sanford School of Medicine, University of South Dakota, Sioux Falls, SD 57105, United States of America
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Protective Effect of Bergapten against Human Erythrocyte Hemolysis and Protein Denaturation In Vitro. Int J Inflam 2022; 2021:1279359. [PMID: 34970434 PMCID: PMC8714387 DOI: 10.1155/2021/1279359] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 12/07/2021] [Accepted: 12/10/2021] [Indexed: 02/06/2023] Open
Abstract
Bergapten, a furocoumarin found in many medicinal plants, is used for the management of various conditions. The present in vitro study evaluated the ability of bergapten to prevent human erythrocyte hemolysis and protein denaturation. Bergapten administered at 10, 30, and 100 μg/ml exhibited a significant concentration-dependent protection on the erythrocyte membrane exposed to hypotonicity and heat-induced hemolysis. The concentration at which bergapten inhibited 50% of the cells from hemolysis (IC50) was determined on a dose-response curve, plotted as logarithmic (concentration) against percentage inhibition, keeping the hemolysis produced within the control group at 100%. Bergapten treatment produced an IC50 value of 7.71 ± 0.27 μg/ml and 4.23 ± 0.42 μg/ml for hypotonicity and heat-induced hemolysis, respectively. Diclofenac sodium at similar concentrations produced an IC50 value of 12.22 ± 0.30 μg/ml and 9.44 ± 0.23 μg/ml in the hypotonicity and heat-induced hemolysis, respectively. The ability of bergapten to inhibit protein denaturation was studied as part of an investigation on its mechanism of action. The results showed a significant concentration-dependent reduction in protein denaturation. When administered at 10, 30, and 100 μg/ml, bergapten produced a concentration-dependent reduction in albumin denaturation. Bergapten inhibited protein denaturation with IC50 values of 5.34 ± 0.30 μg/ml and 12.18 ± 0.20 μg/ml in the heat-treated egg albumin and bovine serum albumin denaturation experiments, respectively. Diclofenac sodium (10, 30, and 100 μg/ml) exhibited a similar protection against heat-treated egg albumin and bovine serum albumin denaturation experiments with IC50 values of 8.93 ± 0.17 μg/ml and 12.72 ± 0.11 μg/ml, respectively. Taken together, data from this study show that the pharmacological properties of bergapten may in part be related to its membrane-stabilizing and antidenaturation properties.
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Roy MK, Cendali F, Ooyama G, Gamboni F, Morton H, D'Alessandro A. Red Blood Cell Metabolism in Pyruvate Kinase Deficient Patients. Front Physiol 2021; 12:735543. [PMID: 34744776 PMCID: PMC8567077 DOI: 10.3389/fphys.2021.735543] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 09/30/2021] [Indexed: 01/19/2023] Open
Abstract
Background: Pyruvate kinase deficiency (PKD) is the most frequent congenital enzymatic defect of glycolysis, and one of the most common causes of hereditary non spherocytic hemolytic anemia. Therapeutic interventions are limited, in part because of the incomplete understanding of the molecular mechanisms that compensate for the metabolic defect. Methods: Mass spectrometry-based metabolomics analyses were performed on red blood cells (RBCs) from healthy controls (n=10) and PKD patients (n=5). Results: In PKD patients, decreases in late glycolysis were accompanied by accumulation of pentose phosphate pathway (PPP) metabolites, as a function of oxidant stress to purines (increased breakdown and deamination). Markers of oxidant stress included increased levels of sulfur-containing compounds (methionine and taurine), polyamines (spermidine and spermine). Markers of hypoxia such as succinate, sphingosine 1-phosphate (S1P), and hypoxanthine were all elevated in PKD subjects. Membrane lipid oxidation and remodeling was observed in RBCs from PKD patients, as determined by increases in the levels of free (poly-/highly-unsaturated) fatty acids and acyl-carnitines. Conclusion: In conclusion, in the present study, we provide the first overview of RBC metabolism in patients with PKD. Though limited in scope, the study addresses the need for basic science to investigate pathologies targeting underrepresented minorities (Amish population in this study), with the ultimate goal to target treatments to health disparities.
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Affiliation(s)
- Micaela K Roy
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Francesca Cendali
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Gabrielle Ooyama
- Central Pennsylvania Clinic, A Medical Home for Special Children and Adults, Belleville, PA, United States
| | - Fabia Gamboni
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Holmes Morton
- Central Pennsylvania Clinic, A Medical Home for Special Children and Adults, Belleville, PA, United States
| | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
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D'Alessandro A, Hay A, Dzieciatkowska M, Brown BC, Morrison EJ, Hansen KC, Zimring JC. Protein-L-isoaspartate O-methyltransferase is required for <i>in vivo</i> control of oxidative damage in red blood cells. Haematologica 2021; 106:2726-2739. [PMID: 33054131 PMCID: PMC8485689 DOI: 10.3324/haematol.2020.266676] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Indexed: 12/13/2022] Open
Abstract
Red blood cells (RBC) have the special challenge of a large amount of reactive oxygen species (from their substantial iron load and Fenton reactions) combined with the inability to synthesize new gene products. Considerable progress has been made in elucidating the multiple pathways by which RBC neutralize reactive oxygen species via NADPH driven redox reactions. However, far less is known about how RBC repair the inevitable damage that does occur when reactive oxygen species break through anti-oxidant defenses. When structural and functional proteins become oxidized, the only remedy available to RBC is direct repair of the damaged molecules, as RBC cannot synthesize new proteins. Amongst the most common amino acid targets of oxidative damage is the conversion of asparagine and aspartate side chains into a succinimidyl group through deamidation or dehydration, respectively. RBC express an L-isoaspartyl methyltransferase (PIMT, gene name PCMT1) that can convert succinimidyl groups back to an aspartate. Herein, we report that deletion of PCMT1 significantly alters RBC metabolism in a healthy state, but does not impair the circulatory lifespan of RBC. Through a combination of genetic ablation, bone marrow transplantation and oxidant stimulation with phenylhydrazine in vivo or blood storage ex vivo, we use omics approaches to show that, when animals are exposed to oxidative stress, RBC from PCMT1 knockout undergo significant metabolic reprogramming and increased hemolysis. This is the first report of an essential role of PCMT1 for normal RBC circulation during oxidative stress.
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Affiliation(s)
- Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO.
| | - Ariel Hay
- University of Virginia, Charlotesville, VA
| | - Monika Dzieciatkowska
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO
| | - Benjamin C Brown
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO
| | - Evan J Morrison
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO
| | - Kirk C Hansen
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO
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Red Blood Cell Metabolism in Patients with Propionic Acidemia. SEPARATIONS 2021. [DOI: 10.3390/separations8090142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Propionic acidemia (PA) is a rare autosomal recessive disorder with an estimated incidence of 1:100,000 live births in the general population. Due in part to an insufficient understanding of the disease’s pathophysiology, PA is often associated with complications, and in severe cases can cause coma and death. Despite its association with hematologic disorders, PA’s effect on red blood cell metabolism has not been described. Mass spectrometry-based metabolomics analyses were performed on RBCs from healthy controls (n = 10) and PKD patients (n = 3). PA was associated with a significant decrease in the steady state level of glycolytic products and the apparent activation of the PPP. The PA samples showed decreases in succinate and increases in the downstream dicarboxylates of the TCA cycle. BCAAs were lowered in the PA samples and C3 carnitine, a direct metabolite of propionic acid, was increased. Trends in the markers of oxidative stress including hypoxanthine, allantoate and spermidine were the opposite of those associated with elevated ROS burden. The alteration of short chain fatty acids, the accumulation of some medium chain and long chain fatty acids, and decreased markers of lipid peroxidation in the PA samples contrasted with previous research. Despite limitations from a small cohort, this study provides the first investigation of RBC metabolism in PA, paving the way for targeted investigations of the critical pathways found to be dysregulated in the context of this disease.
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Zhou L, Kong Y, Wu J, Li X, Fei Y, Ma J, Wang Y, Mi L. Metabolic Changes in Maternal and Cord Blood in One Case of Pregnancy-Associated Breast Cancer Seen by Fluorescence Lifetime Imaging Microscopy. Diagnostics (Basel) 2021; 11:diagnostics11081494. [PMID: 34441428 PMCID: PMC8392038 DOI: 10.3390/diagnostics11081494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 08/16/2021] [Accepted: 08/16/2021] [Indexed: 11/30/2022] Open
Abstract
Pregnancy-associated breast cancer (PABC) is a rare disease, which is frequently diagnosed at an advanced stage due to limitations in current diagnostic methods. In this study, fluorescence lifetime imaging microscopy (FLIM) was used to study the metabolic changes by measuring maternal blood and umbilical cord blood via the autofluorescence of coenzymes, reduced nicotinamide adenine dinucleotide (phosphate) (NAD(P)H), and flavin adenine dinucleotide (FAD). The NAD(P)H data showed that a PABC case had significant differences compared with normal cases, which may indicate increased glycolysis. The FAD data showed that both maternal and cord blood of PABC had shorter mean lifetimes and higher bound-FAD ratios. The significant differences suggested that FLIM testing of blood samples may be a potential method to assist in PABC non-radiative screening.
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Affiliation(s)
- Li Zhou
- Shanghai Engineering Research Center of Ultra-Precision Optical Manufacturing, Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Optical Science and Engineering, School of Information Science and Technology, Fudan University, 220 Handan Road, Shanghai 200433, China; (L.Z.); (Y.K.); (J.W.); (Y.F.); (J.M.)
- Department of Biochemistry and Molecular Biology, School of Life Sciences, Fudan University, 220 Handan Road, Shanghai 200433, China
| | - Yawei Kong
- Shanghai Engineering Research Center of Ultra-Precision Optical Manufacturing, Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Optical Science and Engineering, School of Information Science and Technology, Fudan University, 220 Handan Road, Shanghai 200433, China; (L.Z.); (Y.K.); (J.W.); (Y.F.); (J.M.)
| | - Junxin Wu
- Shanghai Engineering Research Center of Ultra-Precision Optical Manufacturing, Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Optical Science and Engineering, School of Information Science and Technology, Fudan University, 220 Handan Road, Shanghai 200433, China; (L.Z.); (Y.K.); (J.W.); (Y.F.); (J.M.)
| | - Xingzhi Li
- School of Materials Science and Engineering, Hubei University of Automotive Technology, 167 Checheng West Road, Shiyan 442002, China;
| | - Yiyan Fei
- Shanghai Engineering Research Center of Ultra-Precision Optical Manufacturing, Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Optical Science and Engineering, School of Information Science and Technology, Fudan University, 220 Handan Road, Shanghai 200433, China; (L.Z.); (Y.K.); (J.W.); (Y.F.); (J.M.)
| | - Jiong Ma
- Shanghai Engineering Research Center of Ultra-Precision Optical Manufacturing, Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Optical Science and Engineering, School of Information Science and Technology, Fudan University, 220 Handan Road, Shanghai 200433, China; (L.Z.); (Y.K.); (J.W.); (Y.F.); (J.M.)
- Institute of Biomedical Engineering and Technology, Academy for Engineer and Technology, Fudan University, 220 Handan Road, Shanghai 200433, China
- Shanghai Engineering Research Center of Industrial Microorganisms, The Multiscale Research Institute of Complex Systems (MRICS), School of Life Sciences, Fudan University, 220 Handan Road, Shanghai 200433, China
| | - Yulan Wang
- Department of Gynecology and Obstetrics, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, 26 Shengli Str., Wuhan 430014, China
- Correspondence: (Y.W.); (L.M.)
| | - Lan Mi
- Shanghai Engineering Research Center of Ultra-Precision Optical Manufacturing, Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Optical Science and Engineering, School of Information Science and Technology, Fudan University, 220 Handan Road, Shanghai 200433, China; (L.Z.); (Y.K.); (J.W.); (Y.F.); (J.M.)
- Institute of Biomedical Engineering and Technology, Academy for Engineer and Technology, Fudan University, 220 Handan Road, Shanghai 200433, China
- Correspondence: (Y.W.); (L.M.)
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Saha B, Mathur T, Tronolone JJ, Chokshi M, Lokhande GK, Selahi A, Gaharwar AK, Afshar-Kharghan V, Sood AK, Bao G, Jain A. Human tumor microenvironment chip evaluates the consequences of platelet extravasation and combinatorial antitumor-antiplatelet therapy in ovarian cancer. SCIENCE ADVANCES 2021; 7:eabg5283. [PMID: 34290095 PMCID: PMC8294767 DOI: 10.1126/sciadv.abg5283] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 06/04/2021] [Indexed: 05/13/2023]
Abstract
Platelets extravasate from the circulation into tumor microenvironment, enable metastasis, and confer resistance to chemotherapy in several cancers. Therefore, arresting tumor-platelet cross-talk with effective and atoxic antiplatelet agents in combination with anticancer drugs may serve as an effective cancer treatment strategy. To test this concept, we create an ovarian tumor microenvironment chip (OTME-Chip) that consists of a platelet-perfused tumor microenvironment and which recapitulates platelet extravasation and its consequences. By including gene-edited tumors and RNA sequencing, this organ-on-chip revealed that platelets and tumors interact through glycoprotein VI (GPVI) and tumor galectin-3 under shear. Last, as proof of principle of a clinical trial, we showed that a GPVI inhibitor, Revacept, impairs metastatic potential and improves chemotherapy. Since GPVI is an antithrombotic target that does not impair hemostasis, it represents a safe cancer therapeutic. We propose that OTME-Chip could be deployed to study other vascular and hematological targets in cancer.
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Affiliation(s)
- Biswajit Saha
- Department of Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX 77840, USA
| | - Tanmay Mathur
- Department of Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX 77840, USA
| | - James J Tronolone
- Department of Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX 77840, USA
| | - Mithil Chokshi
- Department of Bioengineering, George R. Brown School of Engineering, Rice University, Houston, TX 77005, USA
| | - Giriraj K Lokhande
- Department of Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX 77840, USA
| | - Amirali Selahi
- Department of Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX 77840, USA
| | - Akhilesh K Gaharwar
- Department of Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX 77840, USA
- Materials Science and Engineering, College of Engineering, Texas A&M University, College Station, TX 77840, USA
- Center for Remote Health Technologies and Systems, Texas A&M University, College Station TX 77840, USA
| | - Vahid Afshar-Kharghan
- Department of Benign Hematology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Anil K Sood
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Gang Bao
- Department of Bioengineering, George R. Brown School of Engineering, Rice University, Houston, TX 77005, USA
| | - Abhishek Jain
- Department of Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX 77840, USA.
- Department of Medical Physiology, College of Medicine, Texas A&M Health Science Center, Bryan, TX 77807, USA
- Department of Cardiovascular Sciences, Houston Methodist Academic Institute, Houston, TX 77030, USA
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40
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DeSimone RA, Vinchi F. Screening out the Exposome to Improve Transfusion Quality. Hemasphere 2021; 5:e605. [PMID: 34235402 PMCID: PMC8232066 DOI: 10.1097/hs9.0000000000000605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 05/18/2021] [Indexed: 11/26/2022] Open
Affiliation(s)
- Robert A. DeSimone
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, USA
- Lindsley Kimball Research Institute, New York Blood Center, New York, USA
| | - Francesca Vinchi
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, USA
- Lindsley Kimball Research Institute, New York Blood Center, New York, USA
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41
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Rogers SC, Doctor A. You're only as old as you feel: Age is not just a number. Transfusion 2021; 60:2464-2465. [PMID: 33217021 DOI: 10.1111/trf.16160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 10/12/2020] [Indexed: 12/28/2022]
Affiliation(s)
- Stephen Colin Rogers
- Center for Blood Oxygen Transport and Hemostasis, University of Maryland School of Medicine, Baltimore, Maryland
| | - Allan Doctor
- Center for Blood Oxygen Transport and Hemostasis, University of Maryland School of Medicine, Baltimore, Maryland
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42
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Qiang Q, Manalo JM, Sun H, Zhang Y, Song A, Wen AQ, Wen YE, Chen C, Liu H, Cui Y, Nemkov T, Reisz JA, Edwards III G, Perreira FA, Kellems RE, Soto C, D’Alessandro A, Xia Y. Erythrocyte adenosine A2B receptor prevents cognitive and auditory dysfunction by promoting hypoxic and metabolic reprogramming. PLoS Biol 2021; 19:e3001239. [PMID: 34138843 PMCID: PMC8211187 DOI: 10.1371/journal.pbio.3001239] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 04/19/2021] [Indexed: 12/14/2022] Open
Abstract
Hypoxia drives aging and promotes age-related cognition and hearing functional decline. Despite the role of erythrocytes in oxygen (O2) transport, their role in the onset of aging and age-related cognitive decline and hearing loss (HL) remains undetermined. Recent studies revealed that signaling through the erythrocyte adenosine A2B receptor (ADORA2B) promotes O2 release to counteract hypoxia at high altitude. However, nothing is known about a role for erythrocyte ADORA2B in age-related functional decline. Here, we report that loss of murine erythrocyte-specific ADORA2B (eAdora2b-/-) accelerates early onset of age-related impairments in spatial learning, memory, and hearing ability. eAdora2b-/- mice display the early aging-like cellular and molecular features including the proliferation and activation of microglia and macrophages, elevation of pro-inflammatory cytokines, and attenuation of hypoxia-induced glycolytic gene expression to counteract hypoxia in the hippocampus (HIP), cortex, or cochlea. Hypoxia sufficiently accelerates early onset of cognitive and cochlear functional decline and inflammatory response in eAdora2b-/- mice. Mechanistically, erythrocyte ADORA2B-mediated activation of AMP-activated protein kinase (AMPK) and bisphosphoglycerate mutase (BPGM) promotes hypoxic and metabolic reprogramming to enhance production of 2,3-bisphosphoglycerate (2,3-BPG), an erythrocyte-specific metabolite triggering O2 delivery. Significantly, this finding led us to further discover that murine erythroblast ADORA2B and BPGM mRNA levels and erythrocyte BPGM activity are reduced during normal aging. Overall, we determined that erythrocyte ADORA2B-BPGM axis is a key component for anti-aging and anti-age-related functional decline.
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Affiliation(s)
- Qingfen Qiang
- Department of Otolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Department of Biochemistry and Molecular Biology, The University of Texas McGovern Medical School, Houston, Texas, United States of America
| | - Jeanne M. Manalo
- Department of Biochemistry and Molecular Biology, The University of Texas McGovern Medical School, Houston, Texas, United States of America
- University of Texas MD Anderson UTHealth Graduate School of Biomedical Sciences, Houston, Texas, United States of America
| | - Hong Sun
- Department of Otolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yujin Zhang
- Department of Biochemistry and Molecular Biology, The University of Texas McGovern Medical School, Houston, Texas, United States of America
| | - Anren Song
- Department of Biochemistry and Molecular Biology, The University of Texas McGovern Medical School, Houston, Texas, United States of America
| | - Alexander Q. Wen
- Department of Biochemistry and Molecular Biology, The University of Texas McGovern Medical School, Houston, Texas, United States of America
- University of California at San Diego, La Jolla, California, United States of America
| | - Y. Edward Wen
- Department of Biochemistry and Molecular Biology, The University of Texas McGovern Medical School, Houston, Texas, United States of America
- University of Texas Southwestern Medical School, Dallas, Texas, United States of America
| | - Changhan Chen
- Department of Otolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Department of Biochemistry and Molecular Biology, The University of Texas McGovern Medical School, Houston, Texas, United States of America
| | - Hong Liu
- Department of Biochemistry and Molecular Biology, The University of Texas McGovern Medical School, Houston, Texas, United States of America
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ying Cui
- Department of Biochemistry and Molecular Biology, The University of Texas McGovern Medical School, Houston, Texas, United States of America
| | - Travis Nemkov
- Department of Biochemistry and Molecular Genetics, University of Colorado School of Medicine, Aurora, Colorado, United States of America
| | - Julie A. Reisz
- Department of Biochemistry and Molecular Genetics, University of Colorado School of Medicine, Aurora, Colorado, United States of America
| | - George Edwards III
- University of Texas MD Anderson UTHealth Graduate School of Biomedical Sciences, Houston, Texas, United States of America
- Department of Neurology, The University of Texas McGovern Medical School, Houston, Texas, United States of America
| | - Fred A. Perreira
- Huffington Center on Aging, Baylor College of Medicine, Houston, Texas, United States of America
| | - Rodney E. Kellems
- Department of Biochemistry and Molecular Biology, The University of Texas McGovern Medical School, Houston, Texas, United States of America
- University of Texas MD Anderson UTHealth Graduate School of Biomedical Sciences, Houston, Texas, United States of America
| | - Claudio Soto
- Department of Neurology, The University of Texas McGovern Medical School, Houston, Texas, United States of America
| | - Angelo D’Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado School of Medicine, Aurora, Colorado, United States of America
| | - Yang Xia
- Department of Biochemistry and Molecular Biology, The University of Texas McGovern Medical School, Houston, Texas, United States of America
- University of Texas MD Anderson UTHealth Graduate School of Biomedical Sciences, Houston, Texas, United States of America
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D'Alessandro A, Fu X, Kanias T, Reisz JA, Culp-Hill R, Guo Y, Gladwin MT, Page G, Kleinman S, Lanteri M, Stone M, Busch MP, Zimring JC. Donor sex, age and ethnicity impact stored red blood cell antioxidant metabolism through mechanisms in part explained by glucose 6-phosphate dehydrogenase levels and activity. Haematologica 2021; 106:1290-1302. [PMID: 32241843 PMCID: PMC8094095 DOI: 10.3324/haematol.2020.246603] [Citation(s) in RCA: 91] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Indexed: 12/15/2022] Open
Abstract
Red blood cell storage in the blood bank promotes the progressive accumulation of metabolic alterations that may ultimately impact the erythrocyte capacity to cope with oxidant stressors. However, the metabolic underpinnings of the capacity of RBCs to resist oxidant stress and the potential impact of donor biology on this phenotype are not known. Within the framework of the REDS-III RBC-Omics study, RBCs from 8,502 healthy blood donors were stored for 42 days and tested for their propensity to hemolyze following oxidant stress. A subset of extreme hemolyzers donated a second unit of blood, which was stored for 10, 23, and 42 days and profiled again for oxidative hemolysis and metabolomics (599 samples). Alterations of RBC energy and redox homeostasis were noted in donors with high oxidative hemolysis. RBCs from females, donors over 60 years old, donors of Asian/South Asian race-ethnicity, and RBCs stored in additive solution-3 were each independently characterized by improved antioxidant metabolism compared to, respectively, males, donors under 30 years old, Hispanic and African American race ethnicity donors, and RBCs stored in additive solution-1. Merging metabolomics data with results from an independent GWAS study on the same cohort, we identified metabolic markers of hemolysis and G6PD-deficiency, which were associated with extremes in oxidative hemolysis and dysregulation in NADPH and glutathione-dependent detoxification pathways of oxidized lipids. Donor sex, age, ethnicity, additive solution and G6PD status impact the metabolism of the stored erythrocyte and its susceptibility to hemolysis following oxidative insults.
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Affiliation(s)
| | - Xiaoyun Fu
- Bloodworks Northwest Research Institute, Seattle, WA, USA
| | | | - Julie A Reisz
- University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, USA
| | - Rachel Culp-Hill
- University of Colorado Denver, Anschutz Medical Campus, Aurora, CO, USA
| | | | - Mark T Gladwin
- University of Pittsburgh Medical Center, Pittsburgh PA, USA
| | | | | | | | - Mars Stone
- Vitalant Research Institute, San Francisco, CA, USA
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Thomas T, Cendali F, Fu X, Gamboni F, Morrison EJ, Beirne J, Nemkov T, Antonelou MH, Kriebardis A, Welsby I, Hay A, Dziewulska KH, Busch MP, Kleinman S, Buehler PW, Spitalnik SL, Zimring JC, D'Alessandro A. Fatty acid desaturase activity in mature red blood cells and implications for blood storage quality. Transfusion 2021; 61:1867-1883. [PMID: 33904180 DOI: 10.1111/trf.16402] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/24/2021] [Accepted: 03/30/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND Increases in the red blood cell (RBC) degree of fatty acid desaturation are reported in response to exercise, aging, or diseases associated with systemic oxidant stress. However, no studies have focused on the presence and activity of fatty acid desaturases (FADS) in the mature RBC. STUDY DESIGN AND METHODS Steady state metabolomics and isotope-labeled tracing experiments, immunofluorescence approaches, and pharmacological interventions were used to determine the degree of fatty acid unsaturation, FADS activity as a function of storage, oxidant stress, and G6PD deficiency in human and mouse RBCs. RESULTS In 250 blood units from the REDS III RBC Omics recalled donor population, we report a storage-dependent accumulation of free mono-, poly-(PUFAs), and highly unsaturated fatty acids (HUFAs), which occur at a faster rate than saturated fatty acid accumulation. Through a combination of immunofluorescence, pharmacological inhibition, tracing experiments with stable isotope-labeled fatty acids, and oxidant challenge with hydrogen peroxide, we demonstrate the presence and redox-sensitive activity of FADS2, FADS1, and FADS5 in the mature RBC. Increases in PUFAs and HUFAs in human and mouse RBCs correlate negatively with storage hemolysis and positively with posttransfusion recovery. Inhibition of these enzymes decreases accumulation of free PUFAs and HUFAs in stored RBCs, concomitant to increases in pyruvate/lactate ratios. Alterations of this ratio in G6PD deficient patients or units supplemented with pyruvate-rich rejuvenation solutions corresponded to decreased PUFA and HUFA accumulation. CONCLUSION Fatty acid desaturases are present and active in mature RBCs. Their activity is sensitive to oxidant stress, storage duration, and alterations of the pyruvate/lactate ratio.
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Affiliation(s)
| | - Francesca Cendali
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver-Anschutz Medical Campus, Aurora, Colorado, USA
| | - Xiaoyun Fu
- BloodWorks Northwest, Seattle, Washington, USA
| | - Fabia Gamboni
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver-Anschutz Medical Campus, Aurora, Colorado, USA
| | - Evan J Morrison
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver-Anschutz Medical Campus, Aurora, Colorado, USA
| | - Jonathan Beirne
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver-Anschutz Medical Campus, Aurora, Colorado, USA
| | - Travis Nemkov
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver-Anschutz Medical Campus, Aurora, Colorado, USA
| | - Marianna H Antonelou
- Department of Biology, School of Science, National and Kapodistrian University of Athens (NKUA), Athens, Greece
| | | | - Ian Welsby
- Duke University, Durham, North Carolina, USA
| | - Ariel Hay
- Department of Pathology, University of Virginia, Charloteseville, Virginia, USA
| | | | | | | | | | | | - James C Zimring
- Department of Pathology, University of Virginia, Charloteseville, Virginia, USA
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Nemkov T, Stefanoni D, Bordbar A, Issaian A, Palsson BO, Dumont LJ, Hay A, Song A, Xia Y, Redzic JS, Eisenmesser EZ, Zimring JC, Kleinman S, Hansen KC, Busch MP, D'Alessandro A. Blood donor exposome and impact of common drugs on red blood cell metabolism. JCI Insight 2021; 6:146175. [PMID: 33351786 PMCID: PMC7934844 DOI: 10.1172/jci.insight.146175] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 12/18/2020] [Indexed: 12/12/2022] Open
Abstract
Computational models based on recent maps of the RBC proteome suggest that mature erythrocytes may harbor targets for common drugs. This prediction is relevant to RBC storage in the blood bank, in which the impact of small molecule drugs or other xenometabolites deriving from dietary, iatrogenic, or environmental exposures (“exposome”) may alter erythrocyte energy and redox metabolism and, in so doing, affect red cell storage quality and posttransfusion efficacy. To test this prediction, here we provide a comprehensive characterization of the blood donor exposome, including the detection of common prescription and over-the-counter drugs in blood units donated by 250 healthy volunteers in the Recipient Epidemiology and Donor Evaluation Study III Red Blood Cell–Omics (REDS-III RBC-Omics) Study. Based on high-throughput drug screenings of 1366 FDA-approved drugs, we report that approximately 65% of the tested drugs had an impact on erythrocyte metabolism. Machine learning models built using metabolites as predictors were able to accurately predict drugs for several drug classes/targets (bisphosphonates, anticholinergics, calcium channel blockers, adrenergics, proton pump inhibitors, antimetabolites, selective serotonin reuptake inhibitors, and mTOR), suggesting that these drugs have a direct, conserved, and substantial impact on erythrocyte metabolism. As a proof of principle, here we show that the antacid ranitidine — though rarely detected in the blood donor population — has a strong effect on RBC markers of storage quality in vitro. We thus show that supplementation of blood units stored in bags with ranitidine could — through mechanisms involving sphingosine 1–phosphate–dependent modulation of erythrocyte glycolysis and/or direct binding to hemoglobin — improve erythrocyte metabolism and storage quality.
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Affiliation(s)
- Travis Nemkov
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, Colorado, USA.,Omix Technologies Inc., Aurora, Colorado, USA
| | - Davide Stefanoni
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, Colorado, USA
| | | | - Aaron Issaian
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, Colorado, USA
| | | | | | - Ariel Hay
- University of Virginia, Charlottesville, Virginia, USA
| | - Anren Song
- University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Yang Xia
- University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Jasmina S Redzic
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, Colorado, USA
| | - Elan Z Eisenmesser
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, Colorado, USA
| | | | - Steve Kleinman
- University of British Columbia, Victoria, British Columbia, Canada
| | - Kirk C Hansen
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, Colorado, USA.,Omix Technologies Inc., Aurora, Colorado, USA
| | | | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, Colorado, USA.,Omix Technologies Inc., Aurora, Colorado, USA
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46
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Bardyn M, Martin A, Dögnitz N, Abonnenc M, Dunham A, Yoshida T, Prudent M. Oxygen in Red Blood Cell Concentrates: Influence of Donors' Characteristics and Blood Processing. Front Physiol 2021; 11:616457. [PMID: 33424640 PMCID: PMC7786264 DOI: 10.3389/fphys.2020.616457] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 11/30/2020] [Indexed: 12/28/2022] Open
Abstract
Objective: Unexpectedly wide distribution (<10 to >90%) of hemoglobin oxygen saturation (sO2) within red cell concentrates (RCCs) has recently been observed. Causes of such variability are not yet completely explained whereas the roles of oxygen and oxidative lesions during the storage of RCCs are known. The objectives of the present study are to characterize sO2 distribution in RCCs produced in a Swiss blood center and to investigate the influence of processing and donors’ characteristics. Methods: The level of sO2 was measured in 1701 leukocyte-depleted RCCs derived from whole blood donations in both top–bottom (TB; component filtered, SAGM) and top–top (TT; whole blood filtration, PAGGSM) RCCs. The sO2 value was measured non-invasively through the PVC bag prior to storage by resonance Raman spectroscopy. Gender, age, blood type, hemoglobin level, and living altitude of donors, as well as process method and time-to-process were recorded. Results: Overall, the sO2 exhibited a wide non-Gaussian distribution with a mean of 51.2 ± 18.5%. Use of top-top kits resulted in a 16% higher sO2 (P < 0.0001) than with top-bottom ones. Waiting time before processing only had a modest impact, but the blood processing itself reduced the sO2 by almost 12% (P < 0.0001). sO2 was also significantly affected by some donors’ characteristics. RCCs from men exhibited 25% higher sO2 (P < 0.0001) than those donated by women. Multivariate analysis revealed that the apparent correlation observed with hemoglobin level and age was actually due to multicollinearity with the sex variable. Finally, we noticed no significant differences across blood type but found that altitude of residence was associated with the sO2 (i.e., higher in higher living place). Conclusion: These data confirm wide sO2 distribution in RCCs reported recently. The sO2 was impacted by the processing and also by donors’ characteristics such as the gender and the living altitude, but not by the hemoglobin level, blood group and donor age. This study provides new hints on the factors influencing red blood cells storage lesions, since they are known to be related to O2 content within the bags, giving clues to better process and to better store RCCs and therefore potentially improve the efficacy of transfusion.
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Affiliation(s)
- Manon Bardyn
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, Epalinges, Switzerland
| | - Agathe Martin
- Laboratoire de Préparation Cellulaire et d'Analyses, Transfusion Interrégionale CRS, Epalinges, Switzerland
| | - Nora Dögnitz
- Département Approvisionnement Produits Sanguins, Transfusion Interrégionale CRS, Bern, Switzerland
| | - Mélanie Abonnenc
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, Epalinges, Switzerland.,Laboratoire de Préparation Cellulaire et d'Analyses, Transfusion Interrégionale CRS, Epalinges, Switzerland
| | | | | | - Michel Prudent
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, Epalinges, Switzerland.,Centre de Transfusion Sanguine, Faculté de Biologie et de Médecine, Université de Lausanne, Lausanne, Switzerland
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47
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GDF15 as a biomarker of ageing. Exp Gerontol 2021; 146:111228. [PMID: 33421539 DOI: 10.1016/j.exger.2021.111228] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 10/17/2020] [Accepted: 01/04/2021] [Indexed: 12/13/2022]
Abstract
The ageing process is accompanied by the gradual development of chronic systemic inflammation (inflamm-ageing). Growth differentiation factor 15 (GDF15) is associated with inflammation and known to be a stress-induced factor. The present study aimed to explore the association of GDF15 with ageing. In this cross-sectional study, serum GDF15, hematological parameters, and biomedical parameters were determined in 120 healthy individuals (23-83 years old, males). Three telomere related parameters, including telomere length, telomerase activity, and the expression of human telomerase reverse transcriptase (hTERT) mRNA were also quantified. Our results showed that the older group has a higher levels of GDF15 and lower expression of hTERT mRNA, and PBMC telomerase activity (p < 0.001). In individuals with high GDF15 levels, they were older, and presented with the lower level of hTERT mRNA and T/S ratio (p < 0.01). Spearman correlation analysis shows that GDF15 positively correlated with age (r = 0.664, p < 0.001), and negatively correlated with telomere length (r = -0.434, p < 0.001), telomerase activity (r = -0.231, p = 0.012), and hTERT mRNA (r = -0.206, p = 0.024). Furthermore, in multivariate regression analysis, GDF15 levels showed a statistically significant linear and negative relationship with PBMC telomerase activity (β-coefficient = -0.583, 95% CI -1.044 to -0.122, p = 0.014), telomere length (β-coefficient = -0.200, 95% CI -0.305 to -0.094, p < 0.001), and hTERT mRNA (β-coefficient = -0.207, 95% CI -0.312 to -0.102, p < 0.001) after adjusting for confounders. These results support that circulating GDF15 is the potential biomarker of ageing that may influence the risk and progression of multiple ageing conditions.
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48
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Alexander K, Hazegh K, Fang F, Sinchar D, Kiss JE, Page GP, D’Alessandro A, Kanias T. Testosterone replacement therapy in blood donors modulates erythrocyte metabolism and susceptibility to hemolysis in cold storage. Transfusion 2021; 61:108-123. [PMID: 33073382 PMCID: PMC7902463 DOI: 10.1111/trf.16141] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 08/05/2020] [Accepted: 08/11/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Red blood cells (RBCs) derived from patients who receive testosterone replacement therapy (TRT) may be considered eligible for component production and transfusion. The aim of this study was to identify testosterone-dependent changes in RBC metabolism and to evaluate its impact on susceptibility to hemolysis during cold storage. STUDY DESIGN AND METHODS We characterized stored RBCs from two cohorts of TRT patients who were matched with control donors (no TRT) based upon sex, age, and ethnicity. We further evaluated the impact of testosterone deficiency (orchiectomy) on RBC metabolism in FVB/NJ mice. RBC metabolites were quantified by ultra-high-pressure liquid chromatography-mass spectrometry. RBC storage stability was determined in RBC units from TRT and controls by quantifying storage, osmotic, and oxidative hemolysis. RESULTS Orchiectomy in mice was associated with significant (P < 0.05) changes in RBC metabolism as compared with intact males including increased levels of acyl-carnitines, long-chain fatty acids (eg, docosapentaenoic acids), arginine, and dopamine. Stored RBCs from TRT patients exhibited higher levels of pentose phosphate pathway metabolites, glutathione, and oxidized purines (eg, hypoxanthine), suggestive of increased activation of antioxidant pathways in this group. Further analyses indicated significant changes in free fatty acids and acyl-carnitines in response to testosterone therapies. With regard to hemolysis, TRT was associated with enhanced susceptibility to osmotic hemolysis. Correlation analyses identified acyl-carnitines as significant modifiers of RBC predisposition to osmotic and oxidative hemolysis. CONCLUSIONS These observations provide new insights into testosterone-mediated changes in RBC metabolome and biology that may impact the storage capacity and posttransfusion efficacy of RBCs from TRT donors.
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Affiliation(s)
- Keisha Alexander
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado
| | | | - Fang Fang
- RTI International, Research Triangle Park, North Carolina
| | - Derek Sinchar
- Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Joseph E. Kiss
- Vitalant, Pittsburgh, Pennsylvania
- Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | | | - Angelo D’Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado
- Vitalant Research Institute, Denver, Colorado
- Division of Hematology, Department of Medicine, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado
| | - Tamir Kanias
- Vitalant Research Institute, Denver, Colorado
- Department of Pathology, University of Colorado Denver Anschutz Medical Campus, Aurora, Colorado
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49
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Dias GF, Grobe N, Rogg S, Jörg DJ, Pecoits-Filho R, Moreno-Amaral AN, Kotanko P. The Role of Eryptosis in the Pathogenesis of Renal Anemia: Insights From Basic Research and Mathematical Modeling. Front Cell Dev Biol 2020; 8:598148. [PMID: 33363152 PMCID: PMC7755649 DOI: 10.3389/fcell.2020.598148] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 10/16/2020] [Indexed: 12/17/2022] Open
Abstract
Red blood cells (RBC) are the most abundant cells in the blood. Despite powerful defense systems against chemical and mechanical stressors, their life span is limited to about 120 days in healthy humans and further shortened in patients with kidney failure. Changes in the cell membrane potential and cation permeability trigger a cascade of events that lead to exposure of phosphatidylserine on the outer leaflet of the RBC membrane. The translocation of phosphatidylserine is an important step in a process that eventually results in eryptosis, the programmed death of an RBC. The regulation of eryptosis is complex and involves several cellular pathways, such as the regulation of non-selective cation channels. Increased cytosolic calcium concentration results in scramblase and floppase activation, exposing phosphatidylserine on the cell surface, leading to early clearance of RBCs from the circulation by phagocytic cells. While eryptosis is physiologically meaningful to recycle iron and other RBC constituents in healthy subjects, it is augmented under pathological conditions, such as kidney failure. In chronic kidney disease (CKD) patients, the number of eryptotic RBC is significantly increased, resulting in a shortened RBC life span that further compounds renal anemia. In CKD patients, uremic toxins, oxidative stress, hypoxemia, and inflammation contribute to the increased eryptosis rate. Eryptosis may have an impact on renal anemia, and depending on the degree of shortened RBC life span, the administration of erythropoiesis-stimulating agents is often insufficient to attain desired hemoglobin target levels. The goal of this review is to indicate the importance of eryptosis as a process closely related to life span reduction, aggravating renal anemia.
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Affiliation(s)
- Gabriela Ferreira Dias
- Graduate Program in Health Sciences, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil
- Renal Research Institute, New York, NY, United States
| | - Nadja Grobe
- Renal Research Institute, New York, NY, United States
| | - Sabrina Rogg
- Fresenius Medical Care Deutschland GmbH, Bad Homburg, Germany
| | - David J. Jörg
- Fresenius Medical Care Deutschland GmbH, Bad Homburg, Germany
| | - Roberto Pecoits-Filho
- Graduate Program in Health Sciences, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil
- Arbor Research Collaborative for Health, Ann Arbor, MI, United States
| | | | - Peter Kotanko
- Renal Research Institute, New York, NY, United States
- Icahn School of Medicine at Mount Sinai, New York, NY, United States
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50
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Thomas T, Stefanoni D, Dzieciatkowska M, Issaian A, Nemkov T, Hill RC, Francis RO, Hudson KE, Buehler PW, Zimring JC, Hod EA, Hansen KC, Spitalnik SL, D’Alessandro A. Evidence of Structural Protein Damage and Membrane Lipid Remodeling in Red Blood Cells from COVID-19 Patients. J Proteome Res 2020; 19:4455-4469. [PMID: 33103907 PMCID: PMC7640979 DOI: 10.1021/acs.jproteome.0c00606] [Citation(s) in RCA: 165] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Indexed: 12/13/2022]
Abstract
The SARS-CoV-2 beta coronavirus is the etiological driver of COVID-19 disease, which is primarily characterized by shortness of breath, persistent dry cough, and fever. Because they transport oxygen, red blood cells (RBCs) may play a role in the severity of hypoxemia in COVID-19 patients. The present study combines state-of-the-art metabolomics, proteomics, and lipidomics approaches to investigate the impact of COVID-19 on RBCs from 23 healthy subjects and 29 molecularly diagnosed COVID-19 patients. RBCs from COVID-19 patients had increased levels of glycolytic intermediates, accompanied by oxidation and fragmentation of ankyrin, spectrin beta, and the N-terminal cytosolic domain of band 3 (AE1). Significantly altered lipid metabolism was also observed, in particular, short- and medium-chain saturated fatty acids, acyl-carnitines, and sphingolipids. Nonetheless, there were no alterations of clinical hematological parameters, such as RBC count, hematocrit, or mean corpuscular hemoglobin concentration, with only minor increases in mean corpuscular volume. Taken together, these results suggest a significant impact of SARS-CoV-2 infection on RBC structural membrane homeostasis at the protein and lipid levels. Increases in RBC glycolytic metabolites are consistent with a theoretically improved capacity of hemoglobin to off-load oxygen as a function of allosteric modulation by high-energy phosphate compounds, perhaps to counteract COVID-19-induced hypoxia. Conversely, because the N-terminus of AE1 stabilizes deoxyhemoglobin and finely tunes oxygen off-loading and metabolic rewiring toward the hexose monophosphate shunt, RBCs from COVID-19 patients may be less capable of responding to environmental variations in hemoglobin oxygen saturation/oxidant stress when traveling from the lungs to peripheral capillaries and vice versa.
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Affiliation(s)
- Tiffany Thomas
- Department of Pathology & Cell Biology, Columbia University, New York, NY, USA
| | - Davide Stefanoni
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, CO, USA
| | - Monika Dzieciatkowska
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, CO, USA
| | - Aaron Issaian
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, CO, USA
| | - Travis Nemkov
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, CO, USA
| | - Ryan C. Hill
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, CO, USA
| | - Richard O Francis
- Department of Pathology & Cell Biology, Columbia University, New York, NY, USA
| | - Krystalyn E. Hudson
- Department of Pathology & Cell Biology, Columbia University, New York, NY, USA
| | - Paul W. Buehler
- Department of Pathology, University of Maryland, Baltimore, MD, USA
| | - James C. Zimring
- Department of Pathology, University of Virginia, Charlottesville, VA, USA
| | - Eldad A. Hod
- Department of Pathology & Cell Biology, Columbia University, New York, NY, USA
| | - Kirk C. Hansen
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, CO, USA
| | - Steven L. Spitalnik
- Department of Pathology & Cell Biology, Columbia University, New York, NY, USA
| | - Angelo D’Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver – Anschutz Medical Campus, Aurora, CO, USA
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