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Laan SNJ, de Boer S, Dirven RJ, van Moort I, Kuipers TB, Mei H, Bierings R, Eikenboom J. Transcriptional and functional profiling identifies inflammation and endothelial-to-mesenchymal transition as potential drivers for phenotypic heterogeneity within a cohort of endothelial colony forming cells. J Thromb Haemost 2024; 22:2027-2038. [PMID: 38574861 DOI: 10.1016/j.jtha.2024.03.018] [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: 10/19/2023] [Revised: 03/14/2024] [Accepted: 03/24/2024] [Indexed: 04/06/2024]
Abstract
BACKGROUND Endothelial colony-forming cells (ECFCs) derived from patients can be used to investigate pathogenic mechanisms of vascular diseases like von Willebrand disease. Considerable phenotypic heterogeneity has been observed between ECFC clones derived from healthy donors. This heterogeneity needs to be well understood in order to use ECFCs as endothelial models for disease. OBJECTIVES Therefore, we aimed to determine phenotypic and gene expression differences between control ECFCs. METHODS A total of 34 ECFC clones derived from 16 healthy controls were analyzed. The transcriptome of a selection of ECFC clones (n = 15) was analyzed by bulk RNA sequencing and gene set enrichment analysis. Gene expression was measured in all ECFC clones by quantitative polymerase chain reaction. Phenotypic profiling was performed and migration speed of the ECFCs was measured using confocal microscopy, followed by automated quantification of cell morphometrics and migration speed. RESULTS Through hierarchical clustering of RNA expression profiles, we could distinguish 2 major clusters within the ECFC cohort. Major differences were associated with proliferation and migration in cluster 1 and inflammation and endothelial-to-mesenchymal transition in cluster 2. Phenotypic profiling showed significantly more and smaller ECFCs in cluster 1, which contained more and longer Weibel-Palade bodies. Migration speed in cluster 1 was also significantly higher. CONCLUSION We observed a range of different RNA expression patterns between ECFC clones, mostly associated with inflammation and clear differences in Weibel-Palade body count and structure. We developed a quantitative polymerase chain reaction panel that can be used for the characterization of ECFC clones, which is essential for the correct analysis of pathogenic mechanisms in vascular disorders.
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Affiliation(s)
- Sebastiaan N J Laan
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Centre, Leiden, the Netherlands; Department of Hematology, Erasmus University Medical Centre, Rotterdam, the Netherlands. https://twitter.com/laan_bas
| | - Suzan de Boer
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Centre, Leiden, the Netherlands
| | - Richard J Dirven
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Centre, Leiden, the Netherlands
| | - Iris van Moort
- Department of Hematology, Erasmus University Medical Centre, Rotterdam, the Netherlands
| | - Thomas B Kuipers
- Sequencing Analysis Support Core, Department of Biomedical Data Sciences, Leiden University Medical Centre, Leiden, the Netherlands
| | - Hailiang Mei
- Sequencing Analysis Support Core, Department of Biomedical Data Sciences, Leiden University Medical Centre, Leiden, the Netherlands
| | - Ruben Bierings
- Department of Hematology, Erasmus University Medical Centre, Rotterdam, the Netherlands
| | - Jeroen Eikenboom
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Centre, Leiden, the Netherlands.
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Duranova H, Kuzelova L, Borotova P, Simora V, Fialkova V. Human Umbilical Vein Endothelial Cells as a Versatile Cellular Model System in Diverse Experimental Paradigms: An Ultrastructural Perspective. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2024:ozae048. [PMID: 38817111 DOI: 10.1093/mam/ozae048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/15/2024] [Accepted: 04/30/2024] [Indexed: 06/01/2024]
Abstract
Human umbilical vein endothelial cells (HUVECs) are primary cells isolated from the vein of an umbilical cord, extensively used in cardiovascular studies and medical research. These cells, retaining the characteristics of endothelial cells in vivo, serve as a valuable cellular model system for understanding vascular biology, endothelial dysfunction, pathophysiology of diseases such as atherosclerosis, and responses to different drugs or treatments. Transmission electron microscopy (TEM) has been a cornerstone in revealing the detailed architecture of multiple cellular model systems including HUVECs, allowing researchers to visualize subcellular organelles, membrane structures, and cytoskeletal elements. Among them, the endoplasmic reticulum, Golgi apparatus, mitochondria, and nucleus can be meticulously examined to recognize alterations indicative of cellular responses to various stimuli. Importantly, Weibel-Palade bodies are characteristic secretory organelles found in HUVECs, which can be easily distinguished in the TEM. These distinctive structures also dynamically react to different factors through regulated exocytosis, resulting in complete or selective release of their contents. This detailed review summarizes the ultrastructural features of HUVECs and highlights the utility of TEM as a pivotal tool for analyzing HUVECs in diverse research frameworks, contributing valuable insights into the comprehension of HUVEC behavior and enriching our knowledge into the complexity of vascular biology.
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Affiliation(s)
- Hana Duranova
- AgroBioTech Research Centre, Slovak University of Agriculture, Tr. A. Hlinku 2, 949 76 Nitra, Slovak Republic
| | - Lenka Kuzelova
- AgroBioTech Research Centre, Slovak University of Agriculture, Tr. A. Hlinku 2, 949 76 Nitra, Slovak Republic
- Faculty of Biotechnology and Food Sciences, Institute of Biotechnology, Slovak University of Agriculture, Tr. A. Hlinku 2, 949 76 Nitra, Slovak Republic
| | - Petra Borotova
- AgroBioTech Research Centre, Slovak University of Agriculture, Tr. A. Hlinku 2, 949 76 Nitra, Slovak Republic
| | - Veronika Simora
- AgroBioTech Research Centre, Slovak University of Agriculture, Tr. A. Hlinku 2, 949 76 Nitra, Slovak Republic
| | - Veronika Fialkova
- AgroBioTech Research Centre, Slovak University of Agriculture, Tr. A. Hlinku 2, 949 76 Nitra, Slovak Republic
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3
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Hordijk S, Carter T, Bierings R. A new look at an old body: molecular determinants of Weibel-Palade body composition and von Willebrand factor exocytosis. J Thromb Haemost 2024; 22:1290-1303. [PMID: 38307391 DOI: 10.1016/j.jtha.2024.01.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 01/16/2024] [Accepted: 01/19/2024] [Indexed: 02/04/2024]
Abstract
Endothelial cells, forming a monolayer along blood vessels, intricately regulate vascular hemostasis, inflammatory responses, and angiogenesis. A key determinant of these functions is the controlled secretion of Weibel-Palade bodies (WPBs), which are specialized endothelial storage organelles housing a presynthesized pool of the hemostatic protein von Willebrand factor and various other hemostatic, inflammatory, angiogenic, and vasoactive mediators. This review delves into recent mechanistic insights into WPB biology, including the biogenesis that results in their unique morphology, the acquisition of intraluminal vesicles and other cargo, and the contribution of proton pumps to organelle acidification. Additionally, in light of a number of proteomic approaches to unravel the regulatory networks that control WPB formation and secretion, we provide a comprehensive overview of the WPB exocytotic machinery, including their molecular and cellular mechanisms.
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Affiliation(s)
- Sophie Hordijk
- Hematology, Erasmus MC University Medical Center, Rotterdam, The Netherlands. https://twitter.com/SophieHordijk
| | - Tom Carter
- Molecular and Clinical Sciences Research Institute, St George's University of London, London, United Kingdom
| | - Ruben Bierings
- Hematology, Erasmus MC University Medical Center, Rotterdam, The Netherlands.
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4
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Gan P, Wu H, Zhu Y, Shu Y, Wei Y. A new look at angiogenesis inhibition of geniposide in experimental arthritis by blocking angiopoietin-2 exocytosis. Phytother Res 2024; 38:1245-1261. [PMID: 38185885 DOI: 10.1002/ptr.8094] [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: 08/17/2023] [Revised: 11/24/2023] [Accepted: 11/28/2023] [Indexed: 01/09/2024]
Abstract
Angiogenesis is a key player in the pathogenesis of rheumatoid arthritis. Exocytosis from Weibel-Palade bodies is a prerequisite for angiopoietin-2 (Ang-2) to activate endothelial cells and initiate angiogenesis. Geniposide (GE) was previously reported to exert anti-angiogenic effects. The aim of this study was to shed light on whether and how GE regulates Ang-2 exocytosis. A rat model of adjuvant arthritis (AA) was established to evaluate the therapeutic effect of GE (60 and 120 mg/kg) especially in synovial angiogenesis. In addition, the Matrigel plug assay was used to detect the effect of GE (120 and 240 mg/kg) on angiogenesis in AA mice. In vitro, sphingosine-1-phosphate (S1P)-stimulated human umbilical vein endothelial cells (HUVECs) were used to investigate the effect and mechanism of GE on Ang-2 exocytosis. It was found that GE improved the symptoms of AA rats and inhibited angiogenesis in AA, which may be related to the down-regulation of S1P receptors 1, 3 (S1PR1, S1PR3), phospholipase Cβ3 (PLCβ3), inositol 1,4,5-trisphosphate receptor (IP3 R) and Ang-2 expression. The results of in vitro experiments showed that S1P induced rapid release of Ang-2 from HUVECs with multigranular exocytosis. Suppression of the S1P/S1PR1/3/PLCβ3/Ca2+ signal axis by the S1PR1/3 inhibitor VPC23019 and the IP3 R inhibitor 2-APB blocked Ang-2 exocytosis, accompanied by diminished angiogenesis in vitro. GE dose-dependently weakened S1P/S1PR1/3/PLCβ3/Ca2+ signal axis activation, Ang-2 exocytosis and angiogenesis in HUVECs (p < 0.05, p < 0.01). Overall, these findings revealed that angiogenesis inhibition of GE was partly attributed to the intervention of Ang-2 exocytosis through negatively modulating the S1P/S1PR1/3/PLCβ3/Ca2+ signal axis, providing a novel strategy for rheumatoid arthritis anti-angiogenic therapy.
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Affiliation(s)
- Peirong Gan
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
- Key Laboratory of Xin'an Medicine, Ministry of Education, Hefei, China
- Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Science and Technology Department of Anhui Province, Hefei, China
| | - Hong Wu
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
- Key Laboratory of Xin'an Medicine, Ministry of Education, Hefei, China
- Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Science and Technology Department of Anhui Province, Hefei, China
| | - Yulong Zhu
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
- Key Laboratory of Xin'an Medicine, Ministry of Education, Hefei, China
- Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Science and Technology Department of Anhui Province, Hefei, China
| | - Yin Shu
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
- Key Laboratory of Xin'an Medicine, Ministry of Education, Hefei, China
- Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Science and Technology Department of Anhui Province, Hefei, China
| | - Yi Wei
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
- Key Laboratory of Xin'an Medicine, Ministry of Education, Hefei, China
- Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Science and Technology Department of Anhui Province, Hefei, China
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Valencia I, Lumpuy-Castillo J, Magalhaes G, Sánchez-Ferrer CF, Lorenzo Ó, Peiró C. Mechanisms of endothelial activation, hypercoagulation and thrombosis in COVID-19: a link with diabetes mellitus. Cardiovasc Diabetol 2024; 23:75. [PMID: 38378550 PMCID: PMC10880237 DOI: 10.1186/s12933-023-02097-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 12/14/2023] [Indexed: 02/22/2024] Open
Abstract
Early since the onset of the COVID-19 pandemic, the medical and scientific community were aware of extra respiratory actions of SARS-CoV-2 infection. Endothelitis, hypercoagulation, and hypofibrinolysis were identified in COVID-19 patients as subsequent responses of endothelial dysfunction. Activation of the endothelial barrier may increase the severity of the disease and contribute to long-COVID syndrome and post-COVID sequelae. Besides, it may cause alterations in primary, secondary, and tertiary hemostasis. Importantly, these responses have been highly decisive in the evolution of infected patients also diagnosed with diabetes mellitus (DM), who showed previous endothelial dysfunction. In this review, we provide an overview of the potential triggers of endothelial activation related to COVID-19 and COVID-19 under diabetic milieu. Several mechanisms are induced by both the viral particle itself and by the subsequent immune-defensive response (i.e., NF-κB/NLRP3 inflammasome pathway, vasoactive peptides, cytokine storm, NETosis, activation of the complement system). Alterations in coagulation mediators such as factor VIII, fibrin, tissue factor, the von Willebrand factor: ADAMST-13 ratio, and the kallikrein-kinin or plasminogen-plasmin systems have been reported. Moreover, an imbalance of thrombotic and thrombolytic (tPA, PAI-I, fibrinogen) factors favors hypercoagulation and hypofibrinolysis. In the context of DM, these mechanisms can be exacerbated leading to higher loss of hemostasis. However, a series of therapeutic strategies targeting the activated endothelium such as specific antibodies or inhibitors against thrombin, key cytokines, factor X, complement system, the kallikrein-kinin system or NETosis, might represent new opportunities to address this hypercoagulable state present in COVID-19 and DM. Antidiabetics may also ameliorate endothelial dysfunction, inflammation, and platelet aggregation. By improving the microvascular pathology in COVID-19 and post-COVID subjects, the associated comorbidities and the risk of mortality could be reduced.
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Affiliation(s)
- Inés Valencia
- Molecular Neuroinflammation and Neuronal Plasticity Research Laboratory, Hospital Universitario Santa Cristina, IIS Hospital Universitario de La Princesa, 28009, Madrid, Spain.
| | - Jairo Lumpuy-Castillo
- Laboratory of Diabetes and Vascular Pathology, IIS-Fundación Jiménez Díaz, 28040, Madrid, Spain
- Spanish Biomedical Research Centre On Diabetes and Associated Metabolic Disorders (CIBERDEM) Network, Madrid, Spain
| | - Giselle Magalhaes
- Department of Pharmacology, School of Medicine, Universidad Autónoma de Madrid, 28029, Madrid, Spain
| | - Carlos F Sánchez-Ferrer
- Department of Pharmacology, School of Medicine, Universidad Autónoma de Madrid, 28029, Madrid, Spain
- Vascular Pharmacology and Metabolism (FARMAVASM), IdiPAZ, Madrid, Spain
| | - Óscar Lorenzo
- Laboratory of Diabetes and Vascular Pathology, IIS-Fundación Jiménez Díaz, 28040, Madrid, Spain.
- Spanish Biomedical Research Centre On Diabetes and Associated Metabolic Disorders (CIBERDEM) Network, Madrid, Spain.
| | - Concepción Peiró
- Department of Pharmacology, School of Medicine, Universidad Autónoma de Madrid, 28029, Madrid, Spain.
- Vascular Pharmacology and Metabolism (FARMAVASM), IdiPAZ, Madrid, Spain.
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Cox AA, Liu A, Ng CJ. Clusterin knockdown has effects on intracellular and secreted von Willebrand factor in human umbilical vein endothelial cells. PLoS One 2024; 19:e0298133. [PMID: 38363768 PMCID: PMC10871512 DOI: 10.1371/journal.pone.0298133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 01/17/2024] [Indexed: 02/18/2024] Open
Abstract
Alterations in von Willebrand factor (VWF) have an important role in human health and disease. Deficiency of VWF is associated with symptoms of bleeding and excesses of VWF are associated with thrombotic outcomes. Understanding the mechanisms that drive VWF regulation can lead to a better understanding of modulation of VWF levels in humans. We identified clusterin (CLU) as a potential candidate regulator of VWF based on a single cell RNA sequencing (scRNA-seq) analysis in control endothelial cells (ECs) and von Willebrand disease (VWD) endothelial colony-forming-cells (ECFCs). We found that patients with deficiencies of VWF (von Willebrand disease, VWD) had decreased CLU expression and ECs with low VWF expression also had low CLU expression. Based on these findings, we sought to evaluate the role of CLU in the regulation of VWF, specifically as it relates to VWD. As CLU is primarily thought to be a golgi protein involved in protein chaperoning, we hypothesized that knockdown of CLU would lead to decreases in VWF and alterations in Weibel-Palade bodies (WPBs). We used both siRNA- and CRISPR-Cas9-based approaches to modulate CLU in human umbilical vein endothelial cells (HUVECs) and evaluated VWF protein levels, VWF mRNA copy number, and WPB quantity and size. We demonstrated that siRNA-based knockdown of CLU resulted in decreases in VWF content in cellular lysates and supernatants, but no significant change in WPB quantity or size. A CRISPR-Cas9-based knockdown of CLU demonstrated similar findings of decreases in intracellular VWF content but no significant change in WPB quantity or size. Our data suggests that CLU knockdown is associated with decreases in cellular VWF content but does not affect VWF mRNA levels or WPB quantity or size.
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Affiliation(s)
- Allaura A. Cox
- Department of Pediatrics, University of Colorado–Anschutz Medical Campus, Aurora, CO, United States of America
| | - Alice Liu
- Department of Bioengineering, Washington University, St. Louis, MO, United States of America
| | - Christopher J. Ng
- Department of Pediatrics, University of Colorado–Anschutz Medical Campus, Aurora, CO, United States of America
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7
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Zhang L, Muirhead KJ, Syed ZA, Dimitriadis EK, Ten Hagen KG. A novel cysteine-rich adaptor protein is required for mucin packaging and secretory granule stability in vivo. Proc Natl Acad Sci U S A 2024; 121:e2314309121. [PMID: 38285943 PMCID: PMC10861859 DOI: 10.1073/pnas.2314309121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 01/02/2024] [Indexed: 01/31/2024] Open
Abstract
Mucins are large, highly glycosylated extracellular matrix proteins that line and protect epithelia of the respiratory, digestive, and urogenital tracts. Previous work has shown that mucins form large, interconnected polymeric networks that mediate their biological functions once secreted. However, how these large matrix molecules are compacted and packaged into much smaller secretory granules within cells prior to secretion is largely unknown. Here, we demonstrate that a small cysteine-rich adaptor protein is essential for proper packaging of a secretory mucin in vivo. This adaptor acts via cysteine bonding between itself and the cysteine-rich domain of the mucin. Loss of this adaptor protein disrupts mucin packaging in secretory granules, alters the mobile fraction within granules, and results in granules that are larger, more circular, and more fragile. Understanding the factors and mechanisms by which mucins and other highly glycosylated matrix proteins are properly packaged and secreted may provide insight into diseases characterized by aberrant mucin secretion.
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Affiliation(s)
- Liping Zhang
- Developmental Glycobiology Section, National Institute of Dental and Craniofacial Research, NIH, Bethesda, MD20892-4370
| | - Kayla J. Muirhead
- Developmental Glycobiology Section, National Institute of Dental and Craniofacial Research, NIH, Bethesda, MD20892-4370
- Ambry Genetics, Aliso Viejo, CA92656
| | - Zulfeqhar A. Syed
- Developmental Glycobiology Section, National Institute of Dental and Craniofacial Research, NIH, Bethesda, MD20892-4370
- Electron Microscopy Core Facility, National Heart, Lung and Blood Institute, NIH, Bethesda, MD20892
| | - Emilios K. Dimitriadis
- Trans-NIH Resource on Biomedical Engineering and Physical Science, National Institute of Biomedical Imaging and Bioengineering, NIH, Bethesda, MD20892
| | - Kelly G. Ten Hagen
- Developmental Glycobiology Section, National Institute of Dental and Craniofacial Research, NIH, Bethesda, MD20892-4370
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Ross JT, Robles AJ, Mazer MB, Studer AC, Remy KE, Callcut RA. Cell-Free Hemoglobin in the Pathophysiology of Trauma: A Scoping Review. Crit Care Explor 2024; 6:e1052. [PMID: 38352942 PMCID: PMC10863949 DOI: 10.1097/cce.0000000000001052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024] Open
Abstract
OBJECTIVES Cell-free hemoglobin (CFH) is a potent mediator of endothelial dysfunction, organ injury, coagulopathy, and immunomodulation in hemolysis. These mechanisms have been demonstrated in patients with sepsis, hemoglobinopathies, and those receiving transfusions. However, less is known about the role of CFH in the pathophysiology of trauma, despite the release of equivalent levels of free hemoglobin. DATA SOURCES Ovid MEDLINE, Embase, Web of Science Core Collection, and BIOSIS Previews were searched up to January 21, 2023, using key terms related to free hemoglobin and trauma. DATA EXTRACTION Two independent reviewers selected studies focused on hemolysis in trauma patients, hemoglobin breakdown products, hemoglobin-mediated injury in trauma, transfusion, sepsis, or therapeutics. DATA SYNTHESIS Data from the selected studies and their references were synthesized into a narrative review. CONCLUSIONS Free hemoglobin likely plays a role in endothelial dysfunction, organ injury, coagulopathy, and immune dysfunction in polytrauma. This is a compelling area of investigation as multiple existing therapeutics effectively block these pathways.
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Affiliation(s)
- James T Ross
- Department of Surgery, University of California Davis, Sacramento, CA
- The Blood, Heart, Lung, and Immunology Research Center, Case Western Reserve University, University Hospitals Cleveland, Cleveland, OH
| | - Anamaria J Robles
- Department of Surgery, University of California Davis, Sacramento, CA
| | - Monty B Mazer
- The Blood, Heart, Lung, and Immunology Research Center, Case Western Reserve University, University Hospitals Cleveland, Cleveland, OH
- Division of Pediatric Critical Care Medicine, Department of Pediatrics, UH Rainbow Babies and Children's Hospital, Cleveland, OH
| | - Amy C Studer
- Blaisdell Medical Library, University of California Davis, Sacramento, CA
| | - Kenneth E Remy
- The Blood, Heart, Lung, and Immunology Research Center, Case Western Reserve University, University Hospitals Cleveland, Cleveland, OH
- Division of Pulmonary Critical Care Medicine, Department of Medicine, University Hospitals of Cleveland, Case Western Reserve School of Medicine, Cleveland, OH
| | - Rachael A Callcut
- Department of Surgery, University of California Davis, Sacramento, CA
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Ma J, Hao Z, Zhang Y, Li L, Huang X, Wang Y, Chen L, Yang G, Li W. Physical Contacts Between Mitochondria and WPBs Participate in WPB Maturation. Arterioscler Thromb Vasc Biol 2024; 44:108-123. [PMID: 37942609 DOI: 10.1161/atvbaha.123.319939] [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: 07/31/2023] [Accepted: 10/24/2023] [Indexed: 11/10/2023]
Abstract
BACKGROUND Weibel-Palade bodies (WPBs) are endothelial cell-specific cigar-shaped secretory organelles containing various biologically active molecules. WPBs play crucial roles in thrombosis, hemostasis, angiogenesis, and inflammation. The main content of WPBs is the procoagulant protein vWF (von Willebrand factor). Physical contacts and functional cross talk between mitochondria and other organelles have been demonstrated. Whether an interorganellar connection exists between mitochondria and WPBs is unknown. METHODS We observed physical contacts between mitochondria and WPBs in human umbilical vein endothelial cells by electron microscopy and living cell confocal microscopy. We developed an artificial intelligence-assisted method to quantify the duration and length of organelle contact sites in live cells. RESULTS We found there existed physical contacts between mitochondria and WPBs. Disruption of mitochondrial function affected the morphology of WPBs. Furthermore, we found that Rab3b, a small GTPase on the WPBs, was enriched at the mitochondrion-WPB contact sites. Rab3b deficiency reduced interaction between the two organelles and impaired the maturation of WPBs and vWF multimer secretion. CONCLUSIONS Our results reveal that Rab3b plays a crucial role in mediating the mitochondrion-WPB contacts, and that mitochondrion-WPB coupling is critical for the maturation of WPBs in vascular endothelial cells.
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Affiliation(s)
- Jing Ma
- Beijing Key Laboratory for Genetics of Birth Defects, Beijing Pediatric Research Institute, China (J.M., Z.H., W.L.)
- MOE Key Laboratory of Major Diseases in Children, Capital Medical University, Beijing, China (J.M., Z.H., W.L.)
- Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China (J.M., Z.H., W.L.)
| | - Zhenhua Hao
- MOE Key Laboratory of Major Diseases in Children, Capital Medical University, Beijing, China (J.M., Z.H., W.L.)
- Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China (J.M., Z.H., W.L.)
| | - Yudong Zhang
- National Laboratory of Pattern Recognition, Institute of Automation (Y.Z., G.Y.), Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China (Y.Z., G.Y.)
| | - Liuju Li
- State Key Laboratory of Membrane Biology, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, National Biomedical Imaging Center, School of Future Technology (L.L., L.C.), Peking University, Beijing, China
| | - Xiaoshuai Huang
- Biomedical Engineering Department (X.H.), Peking University, Beijing, China
| | - Yu Wang
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology (Y.W.), Chinese Academy of Sciences, Beijing, China
| | - Liangyi Chen
- State Key Laboratory of Membrane Biology, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, National Biomedical Imaging Center, School of Future Technology (L.L., L.C.), Peking University, Beijing, China
| | - Ge Yang
- National Laboratory of Pattern Recognition, Institute of Automation (Y.Z., G.Y.), Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China (Y.Z., G.Y.)
| | - Wei Li
- Beijing Key Laboratory for Genetics of Birth Defects, Beijing Pediatric Research Institute, China (J.M., Z.H., W.L.)
- MOE Key Laboratory of Major Diseases in Children, Capital Medical University, Beijing, China (J.M., Z.H., W.L.)
- Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China (J.M., Z.H., W.L.)
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10
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Negrin LL, Hajdu S. Serum Angiopoietin-2 level increase differs between polytraumatized patients with and without central nervous system injuries. Sci Rep 2023; 13:19338. [PMID: 37935720 PMCID: PMC10630405 DOI: 10.1038/s41598-023-45688-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 10/23/2023] [Indexed: 11/09/2023] Open
Abstract
Since endothelial cells rapidly release Angiopoietin-2 (Ang-2) in response to vascular injury and inflammatory stimuli, we aimed to investigate if its serum levels increase in polytraumatized patients. Our cohort study evaluated 28 blunt polytrauma survivors (mean age, 38.4 years; median ISS, 34) who were directly admitted to our level I trauma center in 2018. We assessed the serum Ang-2 level at admission and on days 1, 3, 5, 7, and 10 during hospitalization. Ang-2 was released into the circulation immediately after polytrauma. At admission (day 0), it amounted to 8286 ± 5068 pg/mL, three-and-a-half times the reference value of 2337 ± 650 pg/mL assessed in a healthy control group. Subgroup analysis provided a higher mean Ang-2 level in the CNSI group combining all patients suffering a brain or spinal cord injury compared to the non-CNSI group solely on day 0 [11083 ± 5408 pg/mL versus 3963 ± 2062 pg/mL; p < 0.001]. Whereas the mean Ang-2 level increased only in the non-CNSI group from day 0 to day 3 (p = 0.009), the respective curves showed similar continuous decreases starting with day 3. Multivariate logistic regression analysis revealed an association between the Ang-2 day 0 level and the presence of a CNSI (OR = 1.885; p = 0.048). ROC analysis provided a cutoff level of 5352 pg/mL. In our study group, serum Ang-2 levels assessed at admission differed between polytraumatized patients with and without brain or spinal cord injuries. Based on our findings, we consider serum Ang-2 levels an effective biomarker candidate for indicating CNSI in these patients at admission, worthy of further evaluation in large multicenter studies.
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Affiliation(s)
- Lukas L Negrin
- University Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria.
| | - Stefan Hajdu
- University Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria
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Texier A, Lenting PJ, Denis CV, Roullet S, Christophe OD. Angiopoietin-2 binds to multiple interactive sites within von Willebrand factor. Res Pract Thromb Haemost 2023; 7:102204. [PMID: 37854453 PMCID: PMC10579536 DOI: 10.1016/j.rpth.2023.102204] [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: 01/13/2023] [Revised: 08/17/2023] [Accepted: 08/18/2023] [Indexed: 10/20/2023] Open
Abstract
Background Biosynthesis of von Willebrand factor (VWF) in endothelial cells drives the formation of storage-organelles known as Weibel-Palade bodies (WPBs). WPBs also contain several other proteins, including angiopoietin-2 (Ang-2). Objectives At present, the molecular basis of the VWF-Ang-2 interaction is poorly understood. Here, we used immunosorbent-binding assays and specific recombinant VWF fragments to analyze VWF-Ang-2 interactions. Results We found that VWF bound to immobilized Ang-2 most efficiently (half-maximal binding at 0.5 ± 0.1 μg/mL) under conditions of high CaCl2 (10 mM) and slightly acidic pH (6.4-7.0). Interestingly, several isolated recombinant VWF domains (A1/Fc, A2/Fc, D4/Fc, and D'D3-HPC4) displayed dose-dependent binding to immobilized Ang-2. Binding appeared specific, as antibodies against D'D3, A1, and A2 significantly reduced the binding of these domains to Ang-2. Complexes between VWF and Ang-2 in plasma could be detected by immunoprecipitation- and immunosorbent assays. Unexpectedly, control experiments also revealed complexes between VWF and angiopoietin-1 (Ang-1), a protein structurally homologous to Ang-2. Furthermore, direct binding studies showed dose-dependent binding of VWF to immobilized Ang-1 (half-maximal binding at 1.8 ± 1.0 μg/mL). Interestingly, rather than competing for Ang-1 binding, Ang-2 enhanced the binding of VWF to Ang-1 about 3-fold. Competition experiments further revealed that binding to VWF does not prevent Ang-1 and Ang-2 from binding to Tie-2. Conclusion Our data show that both Ang-1 and Ang-2 bind to VWF, seemingly using different interactive sites. Ang-2 modulates the binding of VWF to Ang-1, the (patho)-physiological consequences of which remain to be investigated.
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Affiliation(s)
- Alexis Texier
- Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche 1176, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Peter J. Lenting
- Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche 1176, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Cécile V. Denis
- Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche 1176, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Stéphanie Roullet
- Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche 1176, Université Paris-Saclay, Le Kremlin-Bicêtre, France
- Service d’Anesthésie-Réanimation, Université Paris Saclay, Hôpital Paul Brousse, Assistance Publique - Hôpitaux de Paris (APHP), Villejuif, France
| | - Olivier D. Christophe
- Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche 1176, Université Paris-Saclay, Le Kremlin-Bicêtre, France
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12
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Swinkels M, Hordijk S, Bürgisser PE, Slotman JA, Carter T, Leebeek FWG, Jansen AJG, Voorberg J, Bierings R. Quantitative super-resolution imaging of platelet degranulation reveals differential release of von Willebrand factor and von Willebrand factor propeptide from alpha-granules. J Thromb Haemost 2023; 21:1967-1980. [PMID: 37061132 DOI: 10.1016/j.jtha.2023.03.041] [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: 10/27/2022] [Revised: 03/10/2023] [Accepted: 03/31/2023] [Indexed: 04/17/2023]
Abstract
BACKGROUND Von Willebrand factor (VWF) and VWF propeptide (VWFpp) are stored in eccentric nanodomains within platelet alpha-granules. VWF and VWFpp can undergo differential secretion following Weibel-Palade body exocytosis in endothelial cells; however, it is unclear if the same process occurs during platelet alpha-granule exocytosis. Using a high-throughput 3-dimensional super-resolution imaging workflow for quantification of individual platelet alpha-granule cargo, we studied alpha-granule cargo release in response to different physiological stimuli. OBJECTIVES To investigate how VWF and VWFpp are released from alpha-granules in response to physiological stimuli. METHODS Platelets were activated with protease-activated receptor 1 (PAR-1) activating peptide (PAR-1 ap) or collagen-related peptide (CRP-XL). Alpha-tubulin, VWF, VWFpp, secreted protein acidic and cysteine rich (SPARC), and fibrinogen were imaged using 3-dimensional structured illumination microscopy, followed by semiautomated analysis in FIJI. Uptake of anti-VWF nanobody during degranulation was used to identify alpha-granules that partially released content. RESULTS VWFpp overlapped with VWF in eccentric alpha-granule subdomains in resting platelets and showed a higher degree of overlap with VWF than SPARC or fibrinogen. Activation of PAR-1 (0.6-20 μM PAR-1 ap) or glycoprotein VI (GPVI) (0.25-1 μg/mL CRP-XL) signaling pathways caused a dose-dependent increase in alpha-granule exocytosis. More than 80% of alpha-granules remained positive for VWF, even at the highest agonist concentrations. In contrast, the residual fraction of alpha-granules containing VWFpp decreased in a dose-dependent manner to 23%, whereas SPARC and fibrinogen were detected in 60% to 70% of alpha-granules when stimulated with 20 μM PAR-1 ap. Similar results were obtained using CRP-XL. Using an extracellular anti-VWF nanobody, we identified VWF in postexocytotic alpha-granules. CONCLUSION We provide evidence for differential secretion of VWF and VWFpp from individual alpha-granules.
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Affiliation(s)
- Maurice Swinkels
- Department of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands. https://twitter.com/MauriceSwinkels
| | - Sophie Hordijk
- Department of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands. https://twitter.com/sophiehordijk
| | - Petra E Bürgisser
- Department of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Johan A Slotman
- Optical Imaging Center, Department of Pathology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Tom Carter
- Molecular and Clinical Sciences Research Institute, St George's University of London, London, United Kingdom
| | - Frank W G Leebeek
- Department of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - A J Gerard Jansen
- Department of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Jan Voorberg
- Molecular Hematology, Sanquin Research and Landsteiner Laboratory, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands; Experimental Vascular Medicine, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Ruben Bierings
- Department of Hematology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands.
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13
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Laan SNJ, Dirven RJ, Bürgisser PE, Eikenboom J, Bierings R. Automated segmentation and quantitative analysis of organelle morphology, localization and content using CellProfiler. PLoS One 2023; 18:e0278009. [PMID: 37315066 DOI: 10.1371/journal.pone.0278009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 05/03/2023] [Indexed: 06/16/2023] Open
Abstract
One of the most used and versatile methods to study number, dimensions, content and localization of secretory organelles is confocal microscopy analysis. However, considerable heterogeneity exists in the number, size and shape of secretory organelles that can be present in the cell. One thus needs to analyze large numbers of organelles for valid quantification. Properly evaluating these parameters requires an automated, unbiased method to process and quantitatively analyze microscopy data. Here, we describe two pipelines, run by CellProfiler software, called OrganelleProfiler and OrganelleContentProfiler. These pipelines were used on confocal images of endothelial colony forming cells (ECFCs), which contain unique secretory organelles called Weibel-Palade bodies (WPBs), and on early endosomes in ECFCs and human embryonic kidney 293T (HEK293T) cells. Results show that the pipelines can quantify the cell count, size, organelle count, organelle size, shape, relation to cells and nuclei, and distance to these objects in both endothelial and HEK293T cells. Additionally, the pipelines were used to measure the reduction in WPB size after disruption of the Golgi and to quantify the perinuclear clustering of WPBs after triggering of cAMP-mediated signaling pathways in ECFCs. Furthermore, the pipeline is able to quantify secondary signals located in or on the organelle or in the cytoplasm, such as the small WPB GTPase Rab27A. Cell profiler measurements were checked for validity using Fiji. To conclude, these pipelines provide a powerful, high-processing quantitative tool for the characterization of multiple cell and organelle types. These pipelines are freely available and easily editable for use on different cell types or organelles.
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Affiliation(s)
- Sebastiaan N J Laan
- Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
- Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Richard J Dirven
- Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
| | - Petra E Bürgisser
- Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Jeroen Eikenboom
- Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
| | - Ruben Bierings
- Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
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14
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Cai W, Wang M, Wang CY, Zhao CY, Zhang XY, Zhou Q, Zhao WJ, Yang F, Zhang CL, Yang AJ, Dong JF, Li M. Extracellular vesicles, hyperadhesive von willebrand factor, and outcomes of gastric cancer: a clinical observational study. Med Oncol 2023; 40:140. [PMID: 37031314 DOI: 10.1007/s12032-023-01950-w] [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: 08/23/2022] [Accepted: 01/12/2023] [Indexed: 04/10/2023]
Abstract
Von Willebrand factor (VWF) is an adhesive ligand critical for maintaining hemostasis. However, it has also been increasingly recognized for its role in cancer development because it has been shown to mediate the adhesion of cancer cells to endothelial cells, promote the epithelial-mesenchymal transition, and enhance angiogenesis. We have previously shown that gastric cancer cells synthesize VWF, which mediates the interaction between the cancer and endothelial cells to promote cancer growth. Here, we report results from a clinical observational study that demonstrate the association of VWF in plasma and on the surface of extracellular vesicles (EVs) with the pathological characteristics of gastric cancer. We found that patients with gastric cancer had elevated and intrinsically hyperadhesive VWF in their peripheral blood samples. VWF was detected on the surface of EVs from cancer cells, platelets, and endothelial cells. Higher levels of these VWF-bound EVs were associated with cancer aggression and poor clinical outcomes for patients. These findings suggest that VWF+ EVs from different cell types serve collectively as a new class of biomarkers for the outcome assessment of gastric cancer patients.
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Affiliation(s)
- Wei Cai
- School of Basic Medical Sciences, Institute of Pathology, Lanzhou University, Lanzhou, China
- Gansu Provincial Hospital, Lanzhou, China
| | - Min Wang
- School of Basic Medical Sciences, Institute of Pathology, Lanzhou University, Lanzhou, China
- School of Basic Medical Sciences, Institute of Integrated Traditional Chinese and Western Medicine, Lanzhou University, Lanzhou, China
| | - Chen-Yu Wang
- School of Basic Medical Sciences, Institute of Pathology, Lanzhou University, Lanzhou, China
| | - Chan-Yuan Zhao
- School of Basic Medical Sciences, Institute of Pathology, Lanzhou University, Lanzhou, China
| | - Xiao-Yu Zhang
- School of Basic Medical Sciences, Institute of Pathology, Lanzhou University, Lanzhou, China
| | - Quan Zhou
- School of Basic Medical Sciences, Institute of Pathology, Lanzhou University, Lanzhou, China
| | - Wen-Jie Zhao
- School of Basic Medical Sciences, Institute of Pathology, Lanzhou University, Lanzhou, China
| | - Feng Yang
- School of Basic Medical Sciences, Institute of Pathology, Lanzhou University, Lanzhou, China
| | - Chen-Li Zhang
- School of Basic Medical Sciences, Institute of Pathology, Lanzhou University, Lanzhou, China
| | - Ai-Jun Yang
- School of Basic Medical Sciences, Institute of Pathology, Lanzhou University, Lanzhou, China.
| | - Jing-Fei Dong
- Bloodworks Research Institute, Seattle, WA, USA.
- Division of Hematology, Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA.
| | - Min Li
- School of Basic Medical Sciences, Institute of Pathology, Lanzhou University, Lanzhou, China.
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou, China.
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15
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Perioperative diagnosis and impact of acquired von Willebrand syndrome in infants with congenital heart disease. Blood 2023; 141:102-110. [PMID: 36054926 DOI: 10.1182/blood.2022015699] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 07/06/2022] [Accepted: 08/11/2022] [Indexed: 01/28/2023] Open
Abstract
Acquired von Willebrand syndrome (aVWS) has been reported in patients with congenital heart diseases associated with shear stress caused by significant blood flow gradients. Its etiology and impact on intraoperative bleeding during pediatric cardiac surgery have not been systematically studied. This single-center, prospective, observational study investigated appropriate diagnostic tools of aVWS compared with multimer analysis as diagnostic criterion standard and aimed to clarify the role of aVWS in intraoperative hemorrhage. A total of 65 newborns and infants aged 0 to 12 months scheduled for cardiac surgery at our tertiary referral center from March 2018 to July 2019 were included in the analysis. The glycoprotein Ib M assay (GPIbM)/von Willebrand factor antigen (VWF:Ag) ratio provided the best predictability of aVWS (area under the receiver operating characteristic curve [AUC], 0.81 [95% CI, 0.75-0.86]), followed by VWF collagen binding assay/VWF:Ag ratio (AUC, 0.70 [0.63-0.77]) and peak systolic echocardiographic gradients (AUC, 0.69 [0.62-0.76]). A cutoff value of 0.83 was proposed for the GPIbM/VWF:Ag ratio. Intraoperative high-molecular-weight multimer ratios were inversely correlated with cardiopulmonary bypass (CPB) time (r = -0.57) and aortic cross-clamp time (r = -0.54). Patients with intraoperative aVWS received significantly more fresh frozen plasma (P = .016) and fibrinogen concentrate (P = .011) than those without. The amounts of other administered blood components and chest closure times did not differ significantly. CPB appears to trigger aVWS in pediatric cardiac surgery. The GPIbM/VWF:Ag ratio is a reliable test that can be included in routine intraoperative laboratory workup. Our data provide the basis for further studies in larger patient cohorts to achieve definitive clarification of the effects of aVWS and its potential treatment on intraoperative bleeding.
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16
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Gatica S, Aravena D, Echeverría C, Santibanez JF, Riedel CA, Simon F. Effects of Adrenergic Receptor Stimulation on Human Hemostasis: A Systematic Review. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1408:49-63. [PMID: 37093421 DOI: 10.1007/978-3-031-26163-3_3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Catecholamine stimulation over adrenergic receptors results in a state of hypercoagulability. Chronic stress involves the release and increase in circulation of catecholamines and other stress related hormones. Numerous observational studies in human have related stressful scenarios to several coagulation variables, but controlled stimulation with agonists or antagonists to adrenergic receptors are scarce. This systematic review is aimed at presenting an updated appraisal of the effect of adrenergic receptor modulation on variables related to human hemostasis by systematically reviewing the effect of adrenergic receptor-targeting drugs on scale variables related to hemostasis. By searching 3 databases for articles published between January 1st 2011 and February 16th, 2022 reporting effects on coagulation parameters from stimulation with α- or β-adrenergic receptor targeting drugs in humans regardless of baseline condition, excluding records different from original research and those not addressing the main aim of this systematic review. Risk of bias assessed using the Revised Cochrane risk-of-bias tool for randomized trials (RoB 2). Tables describing a pro-thrombotic anti-fibrinolytic state induced after β-adrenergic receptor agonist stimulation and the opposite after α1-, β-adrenergic receptor antagonist stimulation were synthesized from 4 eligible records by comparing hemostasis-related variables to their baseline. Notwithstanding this low number of records, experimental interventions included were sound and mostly unbiased, results were coherent, and outcomes were biologically plausible. In summary, this systematic review provides a critical systematic assessment and an updated elaboration, and its shortcomings highlight the need for further investigation in the field of hematology.
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Affiliation(s)
- Sebastian Gatica
- Laboratory of Integrative Physiopathology, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile.
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile.
| | - Diego Aravena
- Laboratory of Integrative Physiopathology, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
| | - Cesar Echeverría
- Laboratory of Molecular Biology, Nanomedicine and Genomics, Faculty of Medicine, University of Atacama, Copiapo, Chile
| | - Juan F Santibanez
- Institute for Medical Research, National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia
- Integrative Center for Biology and Applied Chemistry (CIBQA), Bernardo O'Higgins University, Santiago, Chile
| | - Claudia A Riedel
- Laboratory of Integrative Physiopathology, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
| | - Felipe Simon
- Laboratory of Integrative Physiopathology, Faculty of Life Sciences, Universidad Andres Bello, Santiago, Chile.
- Millennium Institute on Immunology and Immunotherapy, Santiago, Chile.
- Millennium Nucleus of Ion Channel-Associated Diseases, Universidad de Chile, Santiago, Chile.
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17
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Mandrycky CJ, Abel AN, Levy S, Marsh LM, Chassagne F, Chivukula VK, Barczay SE, Kelly CM, Kim LJ, Aliseda A, Levitt MR, Zheng Y. Endothelial Responses to Curvature-Induced Flow Patterns in Engineered Cerebral Aneurysms. J Biomech Eng 2023; 145:011001. [PMID: 35838329 PMCID: PMC9445320 DOI: 10.1115/1.4054981] [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: 08/27/2021] [Revised: 07/05/2022] [Indexed: 11/08/2022]
Abstract
Hemodynamic factors have long been associated with clinical outcomes in the treatment of cerebral aneurysms. Computational studies of cerebral aneurysm hemodynamics have provided valuable estimates of the mechanical environment experienced by the endothelium in both the parent vessel and aneurysmal dome walls and have correlated them with disease state. These computational-clinical studies have recently been correlated with the response of endothelial cells (EC) using either idealized or patient-specific models. Here, we present a robust workflow for generating anatomic-scale aneurysm models, establishing luminal cultures of ECs at physiological relevant flow profiles, and comparing EC responses to curvature mediated flow. We show that flow patterns induced by parent vessel curvature produce changes in wall shear stress (WSS) and wall shear stress gradients (WSSG) that are correlated with differences in cell morphology and cellular protein localization. Cells in higher WSS regions align better with the flow and display strong Notch1-extracellular domain (ECD) polarization, while, under low WSS, differences in WSSG due to curvature change were associated with less alignment and attenuation of Notch1-ECD polarization in ECs of the corresponding regions. These proof-of-concept results highlight the use of engineered cellularized aneurysm models for connecting computational fluid dynamics to the underlying endothelial biology that mediates disease.
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Affiliation(s)
- Christian J. Mandrycky
- Bioengineering, University of Washington, Seattle, WA 98105; Institute for Stem Cell and Regenerative Medicine, Seattle, WA 98109
| | - Ashley N. Abel
- Neurological Surgery, University of Washington, Seattle, WA 98195
| | - Samuel Levy
- Neurological Surgery, University of Washington, Seattle, WA 98195; Stroke and Applied Neuroscience Center, University of Washington, Seattle, WA 98104
| | - Laurel M. Marsh
- Mechanical Engineering, University of Washington, Seattle, WA 98195
| | | | | | - Sari E. Barczay
- Mechanical Engineering, University of Washington, Seattle, WA 98195
| | - Cory M. Kelly
- Neurological Surgery, University of Washington, Seattle, WA 98195; Stroke and Applied Neuroscience Center, University of Washington, Seattle, WA 98104
| | - Louis J. Kim
- Neurological Surgery, University of Washington, Seattle, WA 98195; Stroke and Applied Neuroscience Center, University of Washington, Seattle, WA 98104; Radiology, University of Washington, Seattle, WA 98195
| | - Alberto Aliseda
- Neurological Surgery, University of Washington, Seattle, WA 98195; Stroke and Applied Neuroscience Center, University of Washington, Seattle, WA 98104; Mechanical Engineering, University of Washington, Seattle, WA 98195
| | - Michael R. Levitt
- Neurological Surgery, University of Washington, Seattle, WA 98195; Stroke and Applied Neuroscience Center, University of Washington, Seattle, WA 98104; Mechanical Engineering, University of Washington, Seattle, WA 98195; Radiology, University of Washington, Seattle, WA 98195
| | - Ying Zheng
- Bioengineering, University of Washington, Seattle, WA 98105Institute for Stem Cell and Regenerative Medicine, Seattle, WA 98109; Stroke and Applied Neuroscience Center, University of Washington, Seattle, WA 98104
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18
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Quantitative analysis of Weibel-Palade bodies. PLoS One 2022; 17:e0278044. [PMID: 36542620 PMCID: PMC9770420 DOI: 10.1371/journal.pone.0278044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 11/08/2022] [Indexed: 12/24/2022] Open
Abstract
Weibel Palade bodies (WPBs) are vesicles found in endothelial cells which carry the multimeric protein von Willebrand factor (VWF). As cellular confluency has been shown to influence the number of WPBs in endothelial cells, we propose to test two methods of attaining endothelial cell confluence to inform on the relevancy of cellular culture methods when analyzing endothelial WPBs. We test these cellular culture methods in two endothelial cell types, human umbilical vein endothelial cells (HUVECs) and endothelial colony forming cells (ECFCs). One method maintains a constant incubation time of 96 hrs. while varying the seeding density. The second method maintains a constant seeding density of 30,000 cells/cm2 while varying incubation time. In comparing these two methods, we evaluate the nuclei count, total WPB count, and WPB/nuclei count for each. Our results show that there is a trend of increasing nuclei count, total WPB count, and WPB/nuclei count as incubation time and seeding density increases. However, there is no difference in WPB/nuclei quantification whether confluency is reached via a constant seeding density or a constant incubation time. In addition, we show that confluency plays a major role in WPB/nuclei generation as we demonstrate higher WPB/nuclei counts in confluent cultures compared to sub-confluent cultures.
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19
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Moran TE, Hammers DE, Lee SW. The Role of Host-Cellular Responses in COVID-19 Endothelial Dysfunction. Curr Drug Targets 2022; 23:1555-1566. [PMID: 35748550 DOI: 10.2174/1389450123666220624094940] [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: 02/02/2022] [Revised: 04/11/2022] [Accepted: 05/11/2022] [Indexed: 01/25/2023]
Abstract
SARS-CoV2, Severe acute respiratory syndrome coronavirus 2, is a novel member of the human coronavirus family that has recently emerged worldwide to cause COVID-19 disease. COVID-19 disease has been declared a worldwide pandemic with over 270 million total cases, and >5 million deaths as of this writing. Although co-morbidities and preexisting conditions have played a significant role in the severity of COVID-19, the hallmark feature of severe disease associated with SARS-CoV2 is respiratory failure. Recent findings have demonstrated a key role for endothelial dysfunction caused by SARS-CoV2 in these clinical outcomes, characterized by endothelial inflammation, the persistence of a pro-coagulative state, and major recruitment of leukocytes and other immune cells to localized areas of endothelial dysfunction. Though it is generally recognized that endothelial impairment is a major contributor to COVID-19 disease, studies to examine the initial cellular events involved in triggering endothelial dysfunction are needed. In this article, we review the general strategy of pathogens to exploit endothelial cells and the endothelium to cause disease. We discuss the role of the endothelium in COVID-19 disease and highlight very recent findings that identify key signaling and cellular events that are associated with the initiation of SARS-CoV2 infection. These studies may reveal specific molecular pathways that can serve as potential means of therapeutic development against COVID-19 disease.
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Affiliation(s)
- Thomas E Moran
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN, USA
| | - Daniel E Hammers
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN, USA.,Eck Institute for Global Health, University of Notre Dame, Notre Dame, IN, USA
| | - Shaun W Lee
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN, USA.,Eck Institute for Global Health, University of Notre Dame, Notre Dame, IN, USA.,W.M. Keck Center for Transgene Research, University of Notre Dame, Notre Dame, IN, USA.,Boler-Parseghian Center for Rare and Neglected Diseases, University of Notre Dame, Notre Dame, IN, USA
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20
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Xiang Q, Tao JS, Li JJ, Tian RB, Li XH. What is the role of Von Willebrand factor in chronic hepatitis B virus infection to hepatocellular carcinoma: a review article. Ther Adv Chronic Dis 2022; 13:20406223221125683. [PMID: 36407018 PMCID: PMC9669690 DOI: 10.1177/20406223221125683] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 08/25/2022] [Indexed: 11/12/2023] Open
Abstract
Von Willebrand factor (VWF) is a glycoprotein synthesized and secreted by vascular endothelial cells and megakaryocytes, found on plasma surface, endothelial cells, and α-granule of platelets. VWF can be interacted with collagen and platelet membrane glycoproteins GPIb and GPIb-IIa and play an important role in platelet adhesion and aggregation. Growing research evidence suggests that VWF also mediates the prevention or protesting of hepatocellular carcinoma (HCC) in chronic hepatitis B (CHB) patients from several clinical studies. While the mechanism of VWF in HCC protection or protest is still unclear, further study is required. This article aims to rationalize the role of VWF in the development of HCC, and the functional domain of VWF in cancer as well as cross-talking with platelets and miRNAs. This article also looks forward to the future development and challenges of VWF research.
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Affiliation(s)
- Qiong Xiang
- Medical Research Center, Institute of Medicine,
Jishou University, Jishou, China
| | - Jia-Sheng Tao
- Medical Research Center, Institute of Medicine,
Jishou University, Jishou, China
| | - Jing-Jing Li
- Medical Research Center, Institute of Medicine,
Jishou University, Jishou, China
| | - Rong-Bo Tian
- Medical Research Center, Institute of Medicine,
Jishou University, Jishou, China
| | - Xian-Hui Li
- Institute of Pharmaceutical Sciences, Jishou
University, 120 Ren min south road, Jishou 416000, China
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21
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Lundregan SL, Mäkinen H, Buer A, Holand H, Jensen H, Husby A. Infection by a helminth parasite is associated with changes in
DNA
methylation in the house sparrow. Ecol Evol 2022; 12:e9539. [PMCID: PMC9702581 DOI: 10.1002/ece3.9539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 10/24/2022] [Accepted: 11/03/2022] [Indexed: 11/29/2022] Open
Affiliation(s)
- Sarah L. Lundregan
- Department of Biology, Centre for Biodiversity Dynamics Norwegian University of Science and Technology Trondheim Norway
| | - Hannu Mäkinen
- Department of Biology, Centre for Biodiversity Dynamics Norwegian University of Science and Technology Trondheim Norway
- Evolutionary Biology, Department of Ecology and Genetics Uppsala University Uppsala Sweden
| | - Amberly Buer
- Department of Biology, Centre for Biodiversity Dynamics Norwegian University of Science and Technology Trondheim Norway
| | - Håkon Holand
- Department of Biology, Centre for Biodiversity Dynamics Norwegian University of Science and Technology Trondheim Norway
| | - Henrik Jensen
- Department of Biology, Centre for Biodiversity Dynamics Norwegian University of Science and Technology Trondheim Norway
| | - Arild Husby
- Department of Biology, Centre for Biodiversity Dynamics Norwegian University of Science and Technology Trondheim Norway
- Evolutionary Biology, Department of Ecology and Genetics Uppsala University Uppsala Sweden
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22
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Kat M, Margadant C, Voorberg J, Bierings R. Dispatch and delivery at the ER-Golgi interface: how endothelial cells tune their hemostatic response. FEBS J 2022; 289:6863-6870. [PMID: 35246944 PMCID: PMC9790534 DOI: 10.1111/febs.16421] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 03/01/2022] [Accepted: 03/03/2022] [Indexed: 01/13/2023]
Abstract
Von Willebrand factor (VWF) is a glycoprotein that is secreted into the circulation and controls bleeding by promoting adhesion and aggregation of blood platelets at sites of vascular injury. Substantial inter-individual variation in VWF plasma levels exists among the healthy population. Prior to secretion, VWF polymers are assembled and condensed into helical tubules, which are packaged into Weibel-Palade bodies (WPBs), a highly specialized post-Golgi storage compartment in vascular endothelial cells. In the inherited bleeding disorder Von Willebrand disease (VWD), mutations in the VWF gene can cause qualitative or quantitative defects, limiting protein function, secretion, or plasma survival. However, pathogenic VWF mutations cannot be found in all VWD cases. Although an increasing number of genetic modifiers have been identified, even more rare genetic variants that impact VWF plasma levels likely remain to be discovered. Here, we summarize recent evidence that modulation of the early secretory pathway has great impact on the biogenesis and release of WPBs. Based on these findings, we propose that rare, as yet unidentified quantitative trait loci influencing intracellular VWF transport contribute to highly variable VWF levels in the population. These may underlie the thrombotic complications linked to high VWF levels, as well as the bleeding tendency in individuals with low VWF levels.
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Affiliation(s)
- Marije Kat
- Molecular HematologySanquin Research and Landsteiner LaboratoryAmsterdam University Medical CenterUniversity of AmsterdamThe Netherlands
| | - Coert Margadant
- Angiogenesis laboratoryCancer Center AmsterdamAmsterdam University Medical Center location VUmcThe Netherlands
| | - Jan Voorberg
- Molecular HematologySanquin Research and Landsteiner LaboratoryAmsterdam University Medical CenterUniversity of AmsterdamThe Netherlands,Experimental Vascular MedicineAmsterdam University Medical CenterUniversity of AmsterdamThe Netherlands
| | - Ruben Bierings
- Hematology, Erasmus University Medical CenterRotterdamThe Netherlands
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23
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Regulated Restructuring of Mucins During Secretory Granule Maturation In Vivo. Proc Natl Acad Sci U S A 2022; 119:e2209750119. [PMID: 36252017 PMCID: PMC9618048 DOI: 10.1073/pnas.2209750119] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Mucins are large, highly glycosylated transmembrane and secreted proteins that line and protect epithelial surfaces. However, the details of mucin biosynthesis and packaging in vivo are largely unknown. Here, we demonstrate that multiple distinct mucins undergo intragranular restructuring during secretory granule maturation in vivo, forming unique structures that are spatially segregated within the same granule. We further identify temporally-regulated genes that influence mucin restructuring, including those controlling pH (Vha16-1), Ca2+ ions (fwe) and Cl- ions (Clic and ClC-c). Finally, we show that altered mucin glycosylation influences the dimensions of these structures, thereby affecting secretory granule morphology. This study elucidates key steps and factors involved in intragranular, rather than intergranular segregation of mucins through regulated restructuring events during secretory granule maturation. Understanding how multiple distinct mucins are efficiently packaged into and secreted from secretory granules may provide insight into diseases resulting from defects in mucin secretion.
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24
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Exarchos V, Zacharova E, Neuber S, Giampietro C, Motta SE, Hinkov H, Emmert MY, Nazari-Shafti TZ. The path to a hemocompatible cardiovascular implant: Advances and challenges of current endothelialization strategies. Front Cardiovasc Med 2022; 9:971028. [PMID: 36186971 PMCID: PMC9515323 DOI: 10.3389/fcvm.2022.971028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Cardiovascular (CV) implants are still associated with thrombogenicity due to insufficient hemocompatibility. Endothelialization of their luminal surface is a promising strategy to increase their hemocompatibility. In this review, we provide a collection of research studies and review articles aiming to summarize the recent efforts on surface modifications of CV implants, including stents, grafts, valves, and ventricular assist devises. We focus in particular on the implementation of micrometer or nanoscale surface modifications, physical characteristics of known biomaterials (such as wetness and stiffness), and surface morphological features (such as gratings, fibers, pores, and pits). We also review how biomechanical signals originating from the endothelial cell for surface interaction can be directed by topography engineering approaches toward the survival of the endothelium and its long-term adaptation. Finally, we summarize the regulatory and economic challenges that may prevent clinical implementation of endothelialized CV implants.
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Affiliation(s)
- Vasileios Exarchos
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany
- Translational Cardiovascular Regenerative Technologies Group, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, BIH Center for Regenerative Therapies, Berlin, Germany
| | - Ema Zacharova
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany
- Translational Cardiovascular Regenerative Technologies Group, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, BIH Center for Regenerative Therapies, Berlin, Germany
- Department of Life Sciences, IMC University of Applied Sciences Krems, Krems an der Donau, Austria
| | - Sebastian Neuber
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany
- Translational Cardiovascular Regenerative Technologies Group, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, BIH Center for Regenerative Therapies, Berlin, Germany
| | - Costanza Giampietro
- Experimental Continuum Mechanics, Empa Swiss Federal Laboratories for Materials Science and Technology, Dübendorf, Switzerland
- Department of Mechanical and Process Engineering, Institute for Mechanical Systems, ETH Zürich, Zurich, Switzerland
| | - Sarah E. Motta
- Institute for Regenerative Medicine, University of Zurich, Zurich, Switzerland
| | - Hristian Hinkov
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany
- Translational Cardiovascular Regenerative Technologies Group, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, BIH Center for Regenerative Therapies, Berlin, Germany
| | - Maximilian Y. Emmert
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany
- Translational Cardiovascular Regenerative Technologies Group, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, BIH Center for Regenerative Therapies, Berlin, Germany
- Institute for Regenerative Medicine, University of Zurich, Zurich, Switzerland
- Clinic for Cardiovascular Surgery, Charité – Universitätsmedizin Berlin, Berlin, Germany
- Department of Health Sciences and Technology, ETH Zürich, Zurich, Switzerland
| | - Timo Z. Nazari-Shafti
- Cardiosurgical Research Group, Department of Cardiothoracic and Vascular Surgery, German Heart Center Berlin, Berlin, Germany
- Translational Cardiovascular Regenerative Technologies Group, Berlin Institute of Health at Charité – Universitätsmedizin Berlin, BIH Center for Regenerative Therapies, Berlin, Germany
- Berlin Institute of Health at Charité – Universitätsmedizin Berlin, BIH Biomedical Innovation Academy, BIH Charité (Junior) (Digital) Clinician Scientist Program, Berlin, Germany
- *Correspondence: Timo Z. Nazari-Shafti,
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25
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Almeida-Silva M, Cardoso J, Alemão C, Santos S, Monteiro A, Manteigas V, Marques-Ramos A. Impact of Particles on Pulmonary Endothelial Cells. TOXICS 2022; 10:toxics10060312. [PMID: 35736920 PMCID: PMC9227819 DOI: 10.3390/toxics10060312] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/03/2022] [Accepted: 06/07/2022] [Indexed: 02/04/2023]
Abstract
According to the WHO, air quality affects around 40 million people, contributing to around 21,000 premature deaths per year. Severe respiratory diseases, such as asthma and chronic obstructive pulmonary disorder, can be promoted by air pollution, which has already been documented; this is one of the reasons why air quality is a very relevant factor for human health and well-being. Aerosols are an aggregation of solid or liquid particles dispersed in the air and can be found in the form of dust or fumes. Aerosols can be easily inhaled or absorbed by the skin, which can lead to adverse health effects according to their sizes that range from the nanometre to the millimetre scale. Based on the PRISMA methodology and using the Rayyan QCRI platform, it was possible to assess more than four hundred research articles. This systematic review study aimed to understand the impact of particles on pulmonary endothelial cells, namely particulate matter in different sizes, cigarette smoke, diesel exhaust particles and carbon black. The main conclusions were that particles induce multiple health effects on endothelial cells, namely endothelial dysfunction, which can lead to apoptosis and necrosis, and it may also cause necroptosis in lung structure.
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Affiliation(s)
- Marina Almeida-Silva
- HTRC-Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal; (M.A.-S.); (J.C.); (C.A.); (S.S.); (A.M.); (V.M.)
| | - Jéssica Cardoso
- HTRC-Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal; (M.A.-S.); (J.C.); (C.A.); (S.S.); (A.M.); (V.M.)
| | - Catarina Alemão
- HTRC-Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal; (M.A.-S.); (J.C.); (C.A.); (S.S.); (A.M.); (V.M.)
| | - Sara Santos
- HTRC-Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal; (M.A.-S.); (J.C.); (C.A.); (S.S.); (A.M.); (V.M.)
| | - Ana Monteiro
- HTRC-Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal; (M.A.-S.); (J.C.); (C.A.); (S.S.); (A.M.); (V.M.)
- Centro de Ciências e Tecnologias Nucleares (C2TN), Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, ao Km 139.7, 2695-066 Bobadela-Loures, Portugal
| | - Vítor Manteigas
- HTRC-Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal; (M.A.-S.); (J.C.); (C.A.); (S.S.); (A.M.); (V.M.)
- Centro de Ciências e Tecnologias Nucleares (C2TN), Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, ao Km 139.7, 2695-066 Bobadela-Loures, Portugal
| | - Ana Marques-Ramos
- HTRC-Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal; (M.A.-S.); (J.C.); (C.A.); (S.S.); (A.M.); (V.M.)
- Correspondence: ; Tel.: +351-966087971
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26
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Exploring Endothelial Colony-Forming Cells to Better Understand the Pathophysiology of Disease: An Updated Review. Stem Cells Int 2022; 2022:4460041. [PMID: 35615696 PMCID: PMC9126670 DOI: 10.1155/2022/4460041] [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: 01/06/2022] [Revised: 04/20/2022] [Accepted: 05/09/2022] [Indexed: 12/12/2022] Open
Abstract
Endothelial cell (EC) dysfunction has been implicated in a variety of pathological conditions. The collection of ECs from patients is typically conducted postmortem or through invasive procedures, such as surgery and interventional procedures, hampering efforts to clarify the role of ECs in disease onset and progression. In contrast, endothelial colony-forming cells (ECFCs), also termed late endothelial progenitor cells, late outgrowth endothelial cells, blood outgrowth endothelial cells, or endothelial outgrowth cells, are obtained in a minimally invasive manner, namely, by the culture of human peripheral blood mononuclear cells in endothelial growth medium. ECFCs resemble mature ECs phenotypically, genetically, and functionally, making them excellent surrogates for ECs. Numerous studies have been performed that examined ECFC function in conditions such as coronary artery disease, diabetes mellitus, hereditary hemorrhagic telangiectasia, congenital bicuspid aortic valve disease, pulmonary arterial hypertension, venous thromboembolic disease, and von Willebrand disease. Here, we provide an updated review of studies using ECFCs that were performed to better understand the pathophysiology of disease. We also discuss the potential of ECFCs as disease biomarkers and the standardized methods to culture, quantify, and evaluate ECFCs and suggest the future direction of research in this field.
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27
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Engineered Molecular Therapeutics Targeting Fibrin and the Coagulation System: a Biophysical Perspective. Biophys Rev 2022; 14:427-461. [PMID: 35399372 PMCID: PMC8984085 DOI: 10.1007/s12551-022-00950-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/25/2022] [Indexed: 02/07/2023] Open
Abstract
The coagulation cascade represents a sophisticated and highly choreographed series of molecular events taking place in the blood with important clinical implications. One key player in coagulation is fibrinogen, a highly abundant soluble blood protein that is processed by thrombin proteases at wound sites, triggering self-assembly of an insoluble protein hydrogel known as a fibrin clot. By forming the key protein component of blood clots, fibrin acts as a structural biomaterial with biophysical properties well suited to its role inhibiting fluid flow and maintaining hemostasis. Based on its clinical importance, fibrin is being investigated as a potentially valuable molecular target in the development of coagulation therapies. In this topical review, we summarize our current understanding of the coagulation cascade from a molecular, structural and biophysical perspective. We highlight single-molecule studies on proteins involved in blood coagulation and report on the current state of the art in directed evolution and molecular engineering of fibrin-targeted proteins and polymers for modulating coagulation. This biophysical overview will help acclimatize newcomers to the field and catalyze interdisciplinary work in biomolecular engineering toward the development of new therapies targeting fibrin and the coagulation system.
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28
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Hua Y, Zhang J, Liu Q, Su J, Zhao Y, Zheng G, Yang Z, Zhuo D, Ma C, Fan G. The Induction of Endothelial Autophagy and Its Role in the Development of Atherosclerosis. Front Cardiovasc Med 2022; 9:831847. [PMID: 35402552 PMCID: PMC8983858 DOI: 10.3389/fcvm.2022.831847] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 02/08/2022] [Indexed: 12/29/2022] Open
Abstract
Increasing attention is now being paid to the important role played by autophagic flux in maintaining normal blood vessel walls. Endothelial cell dysfunction initiates the development of atherosclerosis. In the endothelium, a variety of critical triggers ranging from shear stress to circulating blood lipids promote autophagy. Furthermore, emerging evidence links autophagy to a range of important physiological functions such as redox homeostasis, lipid metabolism, and the secretion of vasomodulatory substances that determine the life and death of endothelial cells. Thus, the promotion of autophagy in endothelial cells may have the potential for treating atherosclerosis. This paper reviews the role of endothelial cells in the pathogenesis of atherosclerosis and explores the molecular mechanisms involved in atherosclerosis development.
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Affiliation(s)
- Yunqing Hua
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jing Zhang
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Qianqian Liu
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jing Su
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yun Zhao
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Guobin Zheng
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Zhihui Yang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Danping Zhuo
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Chuanrui Ma
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Guanwei Fan
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Tianjin State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
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29
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Yadegari H, Jamil MA, Marquardt N, Oldenburg J. A Homozygous Deep Intronic Variant Causes Von Willebrand Factor Deficiency and Lack of Endothelial-Specific Secretory Organelles, Weibel-Palade Bodies. Int J Mol Sci 2022; 23:ijms23063095. [PMID: 35328514 PMCID: PMC8950443 DOI: 10.3390/ijms23063095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/26/2022] [Accepted: 03/01/2022] [Indexed: 11/16/2022] Open
Abstract
A type 3 von Willebrand disease (VWD) index patient (IP) remains mutation-negative after completion of the conventional diagnostic analysis, including multiplex ligation-dependent probe amplification and sequencing of the promoter, exons, and flanking intronic regions of the VWF gene (VWF). In this study, we intended to elucidate causative mutation through next-generation sequencing (NGS) of the whole VWF (including complete intronic region), mRNA analysis, and study of the patient-derived endothelial colony-forming cells (ECFCs). The NGS revealed a variant in the intronic region of VWF (997 + 118 T > G in intron 8), for the first time. The bioinformatics assessments (e.g., SpliceAl) predicted this variant creates a new donor splice site (ss), which could outcompete the consensus 5′ donor ss at exon/intron 8. This would lead to an aberrant mRNA that contains a premature stop codon, targeting it to nonsense-mediated mRNA decay. The subsequent quantitative real-time PCR confirmed the virtual absence of VWF mRNA in IP ECFCs. Additionally, the IP ECFCs demonstrated a considerable reduction in VWF secretion (~6% of healthy donors), and they were devoid of endothelial-specific secretory organelles, Weibel−Palade bodies. Our findings underline the potential of NGS in conjunction with RNA analysis and patient-derived cell studies for genetic diagnosis of mutation-negative type 3 VWD patients.
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Affiliation(s)
- Hamideh Yadegari
- Correspondence: (H.Y.); (J.O.); Tel.: +49-228-287-10532 (H.Y.); +49-228-287-15175 (J.O.)
| | | | | | - Johannes Oldenburg
- Correspondence: (H.Y.); (J.O.); Tel.: +49-228-287-10532 (H.Y.); +49-228-287-15175 (J.O.)
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30
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Wohner N, Sebastian S, Muczynski V, Huskens D, de Laat B, de Groot PG, Lenting PJ. Osteoprotegerin modulates platelet adhesion to von Willebrand factor during release from endothelial cells. J Thromb Haemost 2022; 20:755-766. [PMID: 34816579 DOI: 10.1111/jth.15598] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 11/19/2021] [Accepted: 11/19/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Platelet-binding Von Willebrand Factor (VWF) strings assemble upon stimulated secretion from endothelial cells. OBJECTIVES To investigate the efficiency of platelet binding to multi-molecular VWF bundles secreted from endothelial cells and to investigate the role of osteoprotegerin, a protein located in Weibel-Palade bodies that interacts with the VWF platelet binding domain. METHODS The nanobody VWF/AU-a11 that specifically binds to VWF in its active platelet-binding conformation was used to investigate the conformation of VWF. RESULTS Upon stimulated secretion from endothelial cells, VWF strings were only partially covered with platelets, while a VWD-type 2B mutation or ristocetin enhanced platelet binding by 2-3-fold. Osteoprotegrin, reduces platelet adhesion to VWF by 40% ± 18% in perfusion assays. siRNA-mediated down-regulation of endothelial osteoprotegerin expression resulted in a 1.8-fold increase in platelet adhesion to VWF strings. Upon viral infection, there is a concordant rise in VWF and osteoprotegerin plasma levels. Unexpectedly, no such increase was observed in plasma of desmopressin-treated hemophilia A-patients. In a mouse model, osteoprotegerin expression was low in liver endothelial cells of vehicle-treated mice, and concanavalin A-treatment increased VWF and osteoprotegerin expression 4- and 40-fold, respectively. This increase was translated in a 30-fold increased osteoprotegerin/VWF ratio in plasma. CONCLUSIONS Release of VWF from endothelial cells opens the platelet-binding site, irrespective of the presence of flow. However, not all available platelet-binding sites are being occupied, suggesting some extent of regulation. Part of this regulation involves endothelial proteins that are co-secreted with VWF, like osteoprotegerin. This regulatory mechanism may be of more relevance under inflammatory conditions.
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Affiliation(s)
- Nikolett Wohner
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unité Mixed de Recherche 1176, Institut National de la Santé et de la Recherche Médicale, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Silvie Sebastian
- Department of Clinical Chemistry and Haematology, Utrecht Medical Centre, Utrecht, The Netherlands
| | - Vincent Muczynski
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unité Mixed de Recherche 1176, Institut National de la Santé et de la Recherche Médicale, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Dana Huskens
- Synapse Research Institute, Maastricht, The Netherlands
| | - Bas de Laat
- Synapse Research Institute, Maastricht, The Netherlands
- CARIM, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Philip G de Groot
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unité Mixed de Recherche 1176, Institut National de la Santé et de la Recherche Médicale, Université Paris-Saclay, Le Kremlin-Bicêtre, France
- Synapse Research Institute, Maastricht, The Netherlands
| | - Peter J Lenting
- Laboratory for Hemostasis, Inflammation & Thrombosis, Unité Mixed de Recherche 1176, Institut National de la Santé et de la Recherche Médicale, Université Paris-Saclay, Le Kremlin-Bicêtre, France
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31
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Liu J, Li Y, Lyu L, Xiao L, Memon AA, Yu X, Halim A, Patel S, Osman A, Yin W, Jiang J, Naini S, Lim K, Zhang A, Williams JD, Koester R, Qi KZ, Fucci QA, Ding L, Chang S, Patel A, Mori Y, Chaudhari A, Bao A, Liu J, Lu TS, Siedlecki A. Integrin α5 Is Regulated by miR-218-5p in Endothelial Progenitor Cells. J Am Soc Nephrol 2022; 33:565-582. [PMID: 35091451 PMCID: PMC8975065 DOI: 10.1681/asn.2021020140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 12/27/2021] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND Endothelial cell injury is a common nidus of renal injury in patients and consistent with the high prevalence of AKI reported during the coronavirus disease 2019 pandemic. This cell type expresses integrin α5 (ITGA5), which is essential to the Tie2 signaling pathway. The microRNA miR-218-5p is upregulated in endothelial progenitor cells (EPCs) after hypoxia, but microRNA regulation of Tie2 in the EPC lineage is unclear. METHODS We isolated human kidney-derived EPCs (hkEPCs) and surveyed microRNA target transcripts. A preclinical model of ischemic kidney injury was used to evaluate the effect of hkEPCs on capillary repair. We used a genetic knockout model to evaluate the effect of deleting endogenous expression of miR-218 specifically in angioblasts. RESULTS After ischemic in vitro preconditioning, miR-218-5p was elevated in hkEPCs. We found miR-218-5p bound to ITGA5 mRNA transcript and decreased ITGA5 protein expression. Phosphorylation of 42/44 MAPK decreased by 73.6% in hkEPCs treated with miR-218-5p. Cells supplemented with miR-218-5p downregulated ITGA5 synthesis and decreased 42/44 MAPK phosphorylation. In a CD309-Cre/miR-218-2-LoxP mammalian model (a conditional knockout mouse model designed to delete pre-miR-218-2 exclusively in CD309+ cells), homozygotes at e18.5 contained avascular glomeruli, whereas heterozygote adults showed susceptibility to kidney injury. Isolated EPCs from the mouse kidney contained high amounts of ITGA5 and showed decreased migratory capacity in three-dimensional cell culture. CONCLUSIONS These results demonstrate the critical regulatory role of miR-218-5p in kidney EPC migration, a finding that may inform efforts to treat microvascular kidney injury via therapeutic cell delivery.
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Affiliation(s)
- Jialing Liu
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts,Nephrology, Department of Medicine, Guangzhou University of Chinese Medicine, The Second Affiliated Hospital of Chinese Medicine, Guangzhou, China
| | - Yi Li
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Lingna Lyu
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts,Department of Molecular Biology, Beijing Chest Hospital, Capital Medical University, Beijing, China
| | - Liang Xiao
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts,Department of Surgery and Oncology, Shenzhen Second People’s Hospital/the First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
| | - Aliza A. Memon
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Xin Yu
- Blood Transfusion Research Institute, Wuxi Red Cross Blood Center, Wuxi, Jiangsu, China
| | - Arvin Halim
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Shivani Patel
- Division of Nephrology, Department of Medicine, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts
| | | | - Wenqing Yin
- Division of Nephrology, Department of Medicine, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts
| | - Jie Jiang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts,Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts
| | - Said Naini
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Kenneth Lim
- Division of Nephrology, Indiana University School of Medicine, Indianapolis, Indiana
| | - Aifeng Zhang
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Jonathan D. Williams
- DNA Identification Testing Division, Laboratory Corporation of America Holdings, Burlington, North Carolina
| | - Ruth Koester
- DNA Identification Testing Division, Laboratory Corporation of America Holdings, Burlington, North Carolina
| | | | - Quynh-Anh Fucci
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Lai Ding
- Program for Interdisciplinary Neuroscience, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Steven Chang
- Department of Surgery, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Ankit Patel
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Yutaro Mori
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Advika Chaudhari
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Aaron Bao
- Washington University in St. Louis, St. Louis, Missouri
| | - Jia Liu
- Shenzhen Jiake Biotechnology, Shenzhen, China
| | - Tzong-Shi Lu
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
| | - Andrew Siedlecki
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
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Shi X, Wu H. Recent advances in the prevention and management of cytokine release syndrome after chimeric antigen receptor T-cell therapy. EUR J INFLAMM 2022. [DOI: 10.1177/1721727x221078727] [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
Adoptive immunotherapy has recently garnered widespread interests owing to the successful application of chimeric antigen receptor T cell therapy. CAR-T cells are “living drugs” that can live in patients for several years and act as an effective antitumor agent. Over the last few years, five types of CAR-T cells have been approved by Food and Drug Administration (FDA) for treatment of hematologic malignancies. Despite their impressive clinical efficacy, the current application of CAR-T cell therapy is restricted by the uncontrollable release of cytokines (cytokine release syndrome and cytokine release syndrome) due to serious treatment-related toxicities resulting from synchronous activation and rapid proliferation of CAR-T cells. CRS is the most common toxicity and its severity can range from low-grade physical symptoms to a high-grade syndrome linked with life-threatening multiple organ dysfunction. Treatment-related deaths from severe CRS have been reported, suggesting the importance of appropriate intervention. Gaining a better understanding of CRS and developing new treatments for CRS are active areas of laboratory and clinical research. Herein, we summarize the current studies on prevention and management of CRS to expand the safety and applicability of CAR-T cell therapy in various malignancies.
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Affiliation(s)
- Xiaoxue Shi
- Affiliated Hospital of Hebei Engineering University, Hebei Province, Handan, China
| | - Hongfang Wu
- Affiliated Hospital of Hebei Engineering University, Hebei Province, Handan, China
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Bouchama A, Abuyassin B, Lehe C, Laitano O, Jay O, O'Connor FG, Leon LR. Classic and exertional heatstroke. Nat Rev Dis Primers 2022; 8:8. [PMID: 35115565 DOI: 10.1038/s41572-021-00334-6] [Citation(s) in RCA: 111] [Impact Index Per Article: 55.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/20/2021] [Indexed: 12/28/2022]
Abstract
In the past two decades, record-breaking heatwaves have caused an increasing number of heat-related deaths, including heatstroke, globally. Heatstroke is a heat illness characterized by the rapid rise of core body temperature above 40 °C and central nervous system dysfunction. It is categorized as classic when it results from passive exposure to extreme environmental heat and as exertional when it develops during strenuous exercise. Classic heatstroke occurs in epidemic form and contributes to 9-37% of heat-related fatalities during heatwaves. Exertional heatstroke sporadically affects predominantly young and healthy individuals. Under intensive care, mortality reaches 26.5% and 63.2% in exertional and classic heatstroke, respectively. Pathological studies disclose endothelial cell injury, inflammation, widespread thrombosis and bleeding in most organs. Survivors of heatstroke may experience long-term neurological and cardiovascular complications with a persistent risk of death. No specific therapy other than rapid cooling is available. Physiological and morphological factors contribute to the susceptibility to heatstroke. Future research should identify genetic factors that further describe individual heat illness risk and form the basis of precision-based public health response. Prioritizing research towards fundamental mechanism and diagnostic biomarker discovery is crucial for the design of specific management approaches.
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Affiliation(s)
- Abderrezak Bouchama
- King Abdullah International Medical Research Center, Experimental Medicine Department, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia.
| | - Bisher Abuyassin
- King Abdullah International Medical Research Center, Experimental Medicine Department, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Cynthia Lehe
- King Abdullah International Medical Research Center, Experimental Medicine Department, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Orlando Laitano
- Department of Nutrition & Integrative Physiology, College of Health and Human Sciences, Florida State University, Tallahassee, FL, USA
| | - Ollie Jay
- Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Francis G O'Connor
- Military and Emergency Medicine, Uniformed Services University, Bethesda, MD, USA
| | - Lisa R Leon
- Thermal and Mountain Medicine Division, United States Army Research Institute of Environmental Medicine, Natick, Massachusetts, USA
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Holthenrich A, Terglane J, Naß J, Mietkowska M, Kerkhoff E, Gerke V. Spire1 and Myosin Vc promote Ca 2+-evoked externalization of von Willebrand factor in endothelial cells. Cell Mol Life Sci 2022; 79:96. [PMID: 35084586 PMCID: PMC8794916 DOI: 10.1007/s00018-021-04108-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/14/2021] [Accepted: 12/20/2021] [Indexed: 12/13/2022]
Abstract
Weibel–Palade bodies (WPB) are endothelial cell-specific storage granules that regulate vascular hemostasis by releasing the platelet adhesion receptor von Willebrand factor (VWF) following stimulation. Fusion of WPB with the plasma membrane is accompanied by the formation of actin rings or coats that support the expulsion of large multimeric VWF fibers. However, factor(s) organizing these actin ring structures have remained elusive. We now identify the actin-binding proteins Spire1 and Myosin Vc (MyoVc) as cytosolic factors that associate with WPB and are involved in actin ring formation at WPB-plasma membrane fusion sites. We show that both, Spire1 and MyoVc localize only to mature WPB and that upon Ca2+ evoked exocytosis of WPB, Spire1 and MyoVc together with F-actin concentrate in ring-like structures at the fusion sites. Depletion of Spire1 or MyoVc reduces the number of these actin rings and decreases the amount of VWF externalized to the cell surface after histamine stimulation.
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Affiliation(s)
- Anna Holthenrich
- Institute of Medical Biochemistry, Center for Molecular Biology of Inflammation, University of Münster, Von-Esmarch-Str. 56, 48149, Münster, Germany
| | - Julian Terglane
- Institute of Medical Biochemistry, Center for Molecular Biology of Inflammation, University of Münster, Von-Esmarch-Str. 56, 48149, Münster, Germany
| | - Johannes Naß
- Institute of Medical Biochemistry, Center for Molecular Biology of Inflammation, University of Münster, Von-Esmarch-Str. 56, 48149, Münster, Germany
| | - Magdalena Mietkowska
- Institute of Molecular Cell Biology, Zoological Institute, Technical University of Braunschweig, Braunschweig, Germany
| | - Eugen Kerkhoff
- Department of Neurology, Molecular Cell Biology Laboratory, University Hospital Regensburg, Regensburg, Germany
| | - Volker Gerke
- Institute of Medical Biochemistry, Center for Molecular Biology of Inflammation, University of Münster, Von-Esmarch-Str. 56, 48149, Münster, Germany.
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Guo Y, Zhao H, Lin Z, Ye T, Xu D, Zeng Q. Heme in Cardiovascular Diseases: A Ubiquitous Dangerous Molecule Worthy of Vigilance. Front Cell Dev Biol 2022; 9:781839. [PMID: 35127704 PMCID: PMC8807526 DOI: 10.3389/fcell.2021.781839] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 12/13/2021] [Indexed: 12/20/2022] Open
Abstract
Heme, the protoporphyrin IX iron complex is widely present in the human body and it is involved in oxygen storage, electron transfer, and enzymatic reactions. However, free heme can be toxic as it catalyzes the production of reactive oxygen species, oxidizes lipids and proteins, and causes DNA damage, thereby inducing a pro-inflammatory environment. The generation, metabolism, and degradation of heme in the human body are regulated by precise mechanisms to ensure that heme remains non-toxic. However, in several types of cardiovascular diseases, impaired metabolism and exposure to heme may occur in pathological processes, including neovascularization, internal hemorrhage, ischemia, and reperfusion. Based on years of research, in this review, we aimed to summarize the underlying mechanisms by which heme contributes to the development of cardiovascular diseases through oxidative stress, relative pathway gene expression regulation and phenotypic changes in cells. Excess heme plays a detrimental role in atherosclerosis, heart failure, myocardial ischemia-reperfusion injury, degenerative aortic valve stenosis, cardiac iron overload. Recent researches revealed that in some cases heme involved in cardiac damage though ferroptosis. Thus, heme concentrations beyond normal levels are dangerous. Further research on the role of heme in cardiovascular diseases is needed.
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Affiliation(s)
- Yuyang Guo
- State Key Laboratory of Organ Failure Research, Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, China
| | - Hengli Zhao
- State Key Laboratory of Organ Failure Research, Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, China
| | - Zhibin Lin
- State Key Laboratory of Organ Failure Research, Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, China
| | - Taochun Ye
- Department of Cardiopulmonary Rehabilitation, First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Dingli Xu
- State Key Laboratory of Organ Failure Research, Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, China
- *Correspondence: Qingchun Zeng, ; Dingli Xu,
| | - Qingchun Zeng
- State Key Laboratory of Organ Failure Research, Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Shock and Microcirculation, Southern Medical University, Guangzhou, China
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou, China
- *Correspondence: Qingchun Zeng, ; Dingli Xu,
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Maleszewski JJ, Lai CK, Nair V, Veinot JP. Anatomic considerations and examination of cardiovascular specimens (excluding devices). Cardiovasc Pathol 2022. [DOI: 10.1016/b978-0-12-822224-9.00013-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Aberrant stromal tissue factor localisation and mycolactone-driven vascular dysfunction, exacerbated by IL-1β, are linked to fibrin formation in Buruli ulcer lesions. PLoS Pathog 2022; 18:e1010280. [PMID: 35100311 PMCID: PMC8846541 DOI: 10.1371/journal.ppat.1010280] [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: 07/09/2021] [Revised: 02/15/2022] [Accepted: 01/13/2022] [Indexed: 12/23/2022] Open
Abstract
Buruli ulcer (BU) is a neglected tropical disease caused by subcutaneous infection with Mycobacterium ulcerans and its exotoxin mycolactone. BU displays coagulative necrosis and widespread fibrin deposition in affected skin tissues. Despite this, the role of the vasculature in BU pathogenesis remains almost completely unexplored. We hypothesise that fibrin-driven ischemia can be an ‘indirect’ route to mycolactone-dependent tissue necrosis by a mechanism involving vascular dysfunction. Here, we tracked >900 vessels within contiguous tissue sections from eight BU patient biopsies. Our aim was to evaluate their vascular and coagulation biomarker phenotype and explore potential links to fibrin deposition. We also integrated this with our understanding of mycolactone’s mechanism of action at Sec61 and its impact on proteins involved in maintaining normal vascular function. Our findings showed that endothelial cell dysfunction is common in skin tissue adjacent to necrotic regions. There was little evidence of primary haemostasis, perhaps due to mycolactone-dependent depletion of endothelial von Willebrand factor. Instead, fibrin staining appeared to be linked to the extrinsic pathway activator, tissue factor (TF). There was significantly greater than expected fibrin staining around vessels that had TF staining within the stroma, and this correlated with the distance it extended from the vessel basement membrane. TF-induced fibrin deposition in these locations would require plasma proteins outside of vessels, therefore we investigated whether mycolactone could increase vascular permeability in vitro. This was indeed the case, and leakage was further exacerbated by IL-1β. Mycolactone caused the loss of endothelial adherens and tight junctions by the depletion of VE-cadherin, TIE-1, TIE-2 and JAM-C; all Sec61-dependent proteins. Taken together, our findings suggest that both vascular and lymphatic vessels in BU lesions become “leaky” during infection, due to the unique action of mycolactone, allowing TF-containing structures and plasma proteins into skin tissue, ultimately leading to local coagulopathy and tissue ischemia. To date, the debilitating skin disease Buruli ulcer remains a public health concern and financial burden in low or middle-income countries, especially in tropical regions. Late diagnosis is frequent in remote areas, perhaps due to the painlessness of the disease. Hence patients often present with large, destructive opened ulcers leading to delayed wound closure or even lifelong disability. The infectious agent produces a toxin called mycolactone that drives the disease. We previously found evidence that the vascular system is disrupted by mycolactone in these lesions, and now we have further explored potential explanations for these findings by looking at the expression of vascular markers in BU. In a detailed analysis of patient skin punch biopsies, we identified distinct expression patterns of certain proteins and found that tissue factor, which initiates the so-called extrinsic pathway of blood clotting, is particularly important. Mycolactone is able to disrupt the barrier function of the endothelium, further aggravating the diseased phenotype, which may explain how clotting factors access the tissue. Altogether, such localised hypercoagulation in Buruli ulcer skin lesions may contribute to the development of the lesion.
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Yamazaki Y, Eura Y, Kokame K. V-ATPase V0a1 promotes Weibel-Palade body biogenesis through the regulation of membrane fission. eLife 2021; 10:71526. [PMID: 34904569 PMCID: PMC8718113 DOI: 10.7554/elife.71526] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 12/13/2021] [Indexed: 01/09/2023] Open
Abstract
Membrane fission, the division of a membrane-bound structure into two discrete compartments, is essential for diverse cellular events, such as endocytosis and vesicle/granule biogenesis; however, the process remains unclear. The hemostatic protein von Willebrand factor is produced in vascular endothelial cells and packaged into specialized secretory granules, Weibel–Palade bodies (WPBs) at the trans-Golgi network (TGN). Here, we reported that V0a1, a V-ATPase component, is required for the membrane fission of WPBs. We identified two V0a isoforms in distinct populations of WPBs in cultured endothelial cells, V0a1 and V0a2, on mature and nascent WPBs, respectively. Although WPB buds were formed, WPBs could not separate from the TGN in the absence of V0a1. Screening using dominant–negative forms of known membrane fission regulators revealed protein kinase D (PKD) as an essential factor in biogenesis of WPBs. Further, we showed that the induction of wild-type PKDs in V0a1-depleted cells does not support the segregation of WPBs from the TGN; suggesting a primary role of V0a1 in the membrane fission of WPBs. The identification of V0a1 as a new membrane fission regulator should facilitate the understanding of molecular events that enable membrane fission.
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Affiliation(s)
- Yasuo Yamazaki
- Department of Molecular Pathogenesis, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Yuka Eura
- Department of Molecular Pathogenesis, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Koichi Kokame
- Department of Molecular Pathogenesis, National Cerebral and Cardiovascular Center, Osaka, Japan
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Multifaceted Pathomolecular Mechanism of a VWF Large Deletion Involved in the Pathogenesis of Severe VWD. Blood Adv 2021; 6:1038-1053. [PMID: 34861678 PMCID: PMC8945295 DOI: 10.1182/bloodadvances.2021005895] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 11/21/2021] [Indexed: 11/20/2022] Open
Abstract
The present study demonstrates the dominant-negative impact of an in-frame large deletion on VWF biosynthesis and biogenesis of the WPBs. The malformed WPBs/altered trafficking of its inflammatory cargos cause distresses in endothelial cell signaling pathways and phenotype.
An in-frame heterozygous large deletion of exons 4 through 34 of the von Willebrand factor (VWF) gene was identified in a type 3 von Willebrand disease (VWD) index patient (IP), as the only VWF variant. The IP exhibited severe bleeding episodes despite prophylaxis treatment, with a short VWF half-life after infusion of VWF/factor VIII concentrates. Transcript analysis confirmed transcription of normal VWF messenger RNA besides an aberrant deleted transcript. The IP endothelial colony-forming cells (ECFCs) exhibited a defect in the VWF multimers and Weibel-Palade bodies (WPBs) biogenesis, although demonstrating normal VWF secretion compared with healthy cells. Immunostaining of IP-ECFCs revealed subcellular mislocalization of WPBs pro-inflammatory cargos angiopoietin-2 (Ang2, nuclear accumulation) and P-selectin. Besides, the RNA-sequencing (RNA-seq) analysis showed upregulation of pro-inflammatory and proangiogenic genes, P-selectin, interleukin 8 (IL-8), IL-6, and GROα, copackaged with VWF into WPBs. Further, whole-transcriptome RNA-seq and subsequent gene ontology (GO) enrichment analysis indicated the most enriched GO-biological process terms among the differentially expressed genes in IP-ECFCs were regulation of cell differentiation, cell adhesion, leukocyte adhesion to vascular endothelial, blood vessel morphogenesis, and angiogenesis, which resemble downstream signaling pathways associated with inflammatory stimuli and Ang2 priming. Accordingly, our functional experiments exhibited an increased endothelial cell adhesiveness and interruption in endothelial cell–cell junctions of the IP-ECFCs. In conclusion, the deleted VWF has a dominant-negative impact on multimer assembly and the biogenesis of WPBs, leading to altered trafficking of their pro-inflammatory cargos uniquely, which, in turn, causes changes in cellular signaling pathways, phenotype, and function of the endothelial cells.
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Xiao J, Zhang B, Su Z, Liu Y, Shelite TR, Chang Q, Qiu Y, Bei J, Wang P, Bukreyev A, Soong L, Jin Y, Ksiazek T, Gaitas A, Rossi SL, Zhou J, Laposata M, Saito TB, Gong B. Intracellular receptor EPAC regulates von Willebrand factor secretion from endothelial cells in a PI3K-/eNOS-dependent manner during inflammation. J Biol Chem 2021; 297:101315. [PMID: 34678311 PMCID: PMC8526113 DOI: 10.1016/j.jbc.2021.101315] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 10/14/2021] [Accepted: 10/18/2021] [Indexed: 02/06/2023] Open
Abstract
Coagulopathy is associated with both inflammation and infection, including infections with novel severe acute respiratory syndrome coronavirus-2, the causative agent Coagulopathy is associated with both inflammation and infection, including infection with novel severe acute respiratory syndrome coronavirus-2, the causative agent of COVID-19. Clot formation is promoted via cAMP-mediated secretion of von Willebrand factor (vWF), which fine-tunes the process of hemostasis. The exchange protein directly activated by cAMP (EPAC) is a ubiquitously expressed intracellular cAMP receptor that plays a regulatory role in suppressing inflammation. To assess whether EPAC could regulate vWF release during inflammation, we utilized our EPAC1-null mouse model and revealed increased secretion of vWF in endotoxemic mice in the absence of the EPAC1 gene. Pharmacological inhibition of EPAC1 in vitro mimicked the EPAC1-/- phenotype. In addition, EPAC1 regulated tumor necrosis factor-α-triggered vWF secretion from human umbilical vein endothelial cells in a manner dependent upon inflammatory effector molecules PI3K and endothelial nitric oxide synthase. Furthermore, EPAC1 activation reduced inflammation-triggered vWF release, both in vivo and in vitro. Our data delineate a novel regulatory role for EPAC1 in vWF secretion and shed light on the potential development of new strategies to control thrombosis during inflammation.
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Affiliation(s)
- Jie Xiao
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Ben Zhang
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Zhengchen Su
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Yakun Liu
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Thomas R Shelite
- Department of Internal Medicine, Infectious Diseases, University of Texas Medical Branch, Galveston, Texas, USA
| | - Qing Chang
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Yuan Qiu
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Jiani Bei
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Pingyuan Wang
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Alexander Bukreyev
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Lynn Soong
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Yang Jin
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Boston University Medical Campus, Boston, Massachusetts, USA
| | - Thomas Ksiazek
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Angelo Gaitas
- The Estelle and Daniel Maggin Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Shannan L Rossi
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Jia Zhou
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Michael Laposata
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Tais B Saito
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Bin Gong
- Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA.
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Mobayen G, Dhutia A, Clarke C, Prendecki M, McAdoo S, Keniyopoullos R, Malik T, Laffan M, Willicombe M, McKinnon T. Severe COVID-19 is associated with endothelial activation and abnormal glycosylation of von Willebrand factor in patients undergoing hemodialysis. Res Pract Thromb Haemost 2021; 5:e12582. [PMID: 34532629 PMCID: PMC8435526 DOI: 10.1002/rth2.12582] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 07/19/2021] [Accepted: 07/27/2021] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND A major clinical feature of severe coronavirus diease 2019 (COVID-19) is microvascular thrombosis linked to endothelial cell activation. Consistent with this, a number of studies have shown that patients with severe COVID-19 have highly elevated plasma levels of von Willebrand Factor (VWF) that may contribute to the prothrombotic phenotype. In the current study, we investigated the extent of endothelial activation in patients receiving hemodialysis who had either mild or severe COVID-19. METHODS Plasma VWF, ADAMTS-13, angiopoietin-2 (Ang2), and syndecan-1 levels were determined by ELISA. The sialic acid content of VWF was investigated using a modified ELISA to measure elderberry bark lectin, specific for sialic acid residues, binding to VWF. RESULTS Patients receiving hemodialysis with severe COVID-19 had significantly higher plasma levels of VWF and lower ADAMTS-13. VWF levels peaked and were sustained during the first 10 days after positive confirmation of infection. While Ang2 trended toward being higher in severely ill patients, this did not reach significance; however, severely ill patients had significantly higher soluble syndecan-1 levels, with high levels related to risk of death. Finally, higher VWF levels in severely ill patients were correlated with lower VWF sialic acid content. CONCLUSIONS Severe COVID-19 in patients undergoing hemodialysis is associated with both acute and sustained activation of the endothelium, leading to alteration of the VWF/ADAMTS-13 axis. Lower VWF sialic acid content represents altered VWF processing and further confirms the disturbance caused to the endothelium in COVID-19.
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Affiliation(s)
- Golzar Mobayen
- Department of Immunology and InflammationCentre for HaematologyCommonwealth BuildingHammersmith CampusImperial College of Science Technology and MedicineLondonUK
| | - Amrita Dhutia
- Department of Immunology and InflammationCentre for Inflammatory DiseaseCommonwealth BuildingHammersmith CampusImperial College of Science Technology and MedicineLondonUK
| | - Candice Clarke
- Department of Immunology and InflammationCentre for Inflammatory DiseaseCommonwealth BuildingHammersmith CampusImperial College of Science Technology and MedicineLondonUK
| | - Maria Prendecki
- Department of Immunology and InflammationCentre for Inflammatory DiseaseCommonwealth BuildingHammersmith CampusImperial College of Science Technology and MedicineLondonUK
| | - Stephen McAdoo
- Department of Immunology and InflammationCentre for Inflammatory DiseaseCommonwealth BuildingHammersmith CampusImperial College of Science Technology and MedicineLondonUK
| | - Renos Keniyopoullos
- Department of Immunology and InflammationCentre for HaematologyCommonwealth BuildingHammersmith CampusImperial College of Science Technology and MedicineLondonUK
| | - Talat Malik
- Department of Immunology and InflammationCentre for Inflammatory DiseaseCommonwealth BuildingHammersmith CampusImperial College of Science Technology and MedicineLondonUK
| | - Michael Laffan
- Department of Immunology and InflammationCentre for HaematologyCommonwealth BuildingHammersmith CampusImperial College of Science Technology and MedicineLondonUK
| | - Michelle Willicombe
- Department of Immunology and InflammationCentre for Inflammatory DiseaseCommonwealth BuildingHammersmith CampusImperial College of Science Technology and MedicineLondonUK
| | - Thomas McKinnon
- Department of Immunology and InflammationCentre for HaematologyCommonwealth BuildingHammersmith CampusImperial College of Science Technology and MedicineLondonUK
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Secretome and Tunneling Nanotubes: A Multilevel Network for Long Range Intercellular Communication between Endothelial Cells and Distant Cells. Int J Mol Sci 2021; 22:ijms22157971. [PMID: 34360735 PMCID: PMC8347715 DOI: 10.3390/ijms22157971] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/14/2021] [Accepted: 07/22/2021] [Indexed: 02/07/2023] Open
Abstract
As a cellular interface between the blood and tissues, the endothelial cell (EC) monolayer is involved in the control of key functions including vascular tone, permeability and homeostasis, leucocyte trafficking and hemostasis. EC regulatory functions require long-distance communications between ECs, circulating hematopoietic cells and other vascular cells for efficient adjusting thrombosis, angiogenesis, inflammation, infection and immunity. This intercellular crosstalk operates through the extracellular space and is orchestrated in part by the secretory pathway and the exocytosis of Weibel Palade Bodies (WPBs), secretory granules and extracellular vesicles (EVs). WPBs and secretory granules allow both immediate release and regulated exocytosis of messengers such as cytokines, chemokines, extracellular membrane proteins, coagulation or growth factors. The ectodomain shedding of transmembrane protein further provide the release of both receptor and ligands with key regulatory activities on target cells. Thin tubular membranous channels termed tunneling nanotubes (TNTs) may also connect EC with distant cells. EVs, in particular exosomes, and TNTs may contain and transfer different biomolecules (e.g., signaling mediators, proteins, lipids, and microRNAs) or pathogens and have emerged as a major triggers of horizontal intercellular transfer of information.
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Avdonin PP, Tsvetaeva NV, Goncharov NV, Rybakova EY, Trufanov SK, Tsitrina AA, Avdonin PV. Von Willebrand Factor in Health and Disease. BIOCHEMISTRY (MOSCOW), SUPPLEMENT SERIES A: MEMBRANE AND CELL BIOLOGY 2021. [DOI: 10.1134/s1990747821040036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Abstract—
Von Willebrand factor (vWF), the key component of hemostasis, is synthesized in endothelial cells and megakaryocytes and released into the blood as high molecular weight multimeric glycoproteins weighing up to 20 million Daltons. Blood plasma metalloprotease ADAMTS13 cleaves ultra-large vWF multimers to smaller multimeric and oligomeric molecules. The vWF molecules attach to the sites of damage at the surface of arterioles and capillaries and unfold under conditions of shear stress. On the unfolded vWF molecule, the regions interacting with receptors on the platelet membrane are exposed. After binding to the vWF filaments, platelets are activated; platelets circulating in the vessels are additionally attached to them, leading to thrombus formation, blocking of microvessels, and cessation of bleeding. This review describes the history of the discovery of vWF, presents data on the mechanisms of vWF secretion and its structure, and characterizes the processes of vWF metabolism in the body under normal and pathological conditions.
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Groeneveld DJ, Poole LG, Luyendyk JP. Targeting von Willebrand factor in liver diseases: A novel therapeutic strategy? J Thromb Haemost 2021; 19:1390-1408. [PMID: 33774926 PMCID: PMC8582603 DOI: 10.1111/jth.15312] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 03/08/2021] [Accepted: 03/22/2021] [Indexed: 12/11/2022]
Abstract
Acute and chronic liver disease are associated with substantial alterations in the hemostatic system. Evidence from both experimental and clinical studies suggests that anticoagulants slow the progression of liver disease. Efficacy of those anticoagulant drugs is, in part, attributed to a reduction of microthrombi formation within the liver. Although anticoagulant drugs show promising results, bleeding risk associated with these drugs is an obvious drawback, particularly in patients with a complex coagulopathy driven by decreased liver function. Identifying therapies that reduce intrahepatic thrombosis with minimal bleeding risk would significantly advance the field. Among the hemostatic alterations observed in patients are substantially increased levels of the platelet-adhesive protein von Willebrand factor (VWF). In contrast, levels of A Disintegrin and Metalloproteinase with Thrombospondin motifs, the enzyme that regulates VWF activity, are significantly reduced in patients with liver disease. Highly elevated VWF levels are proposed to accelerate intrahepatic thrombus formation and thus be a driver of disease progression. Strong clinical evidence suggesting a link between liver disease and changes in VWF is now being matched by emerging mechanistic data showing a detrimental role for VWF in the progression of liver disease. This review focuses on clinical and experimental evidence supporting a connection between VWF function and the progression of acute and chronic liver diseases. Furthermore, with the recent anticipated approval of several novel therapies targeting VWF, we discuss potential strategies and benefits of targeting VWF as an innovative therapy for patients with liver disease.
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Affiliation(s)
- Dafna J Groeneveld
- Department of Pathobiology & Diagnostic Investigation, Michigan State University, East Lansing, MI, USA
| | - Lauren G Poole
- Department of Pathobiology & Diagnostic Investigation, Michigan State University, East Lansing, MI, USA
| | - James P Luyendyk
- Department of Pathobiology & Diagnostic Investigation, Michigan State University, East Lansing, MI, USA
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, USA
- Department of Pharmacology & Toxicology, Michigan State University, East Lansing, MI, USA
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Ziliotto N, Bernardi F, Piazza F. Hemostasis components in cerebral amyloid angiopathy and Alzheimer's disease. Neurol Sci 2021; 42:3177-3188. [PMID: 34041636 DOI: 10.1007/s10072-021-05327-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 05/15/2021] [Indexed: 01/17/2023]
Abstract
Increased cerebrovascular amyloid-β (Aβ) deposition represents the main pathogenic mechanisms characterizing Alzheimer's disease (AD) and cerebral amyloid angiopathy (CAA). Whereas an increasing number of studies define the contribution of fibrin(ogen) to neurodegeneration, how other hemostasis factors might be pleiotropically involved in the AD and CAA remains overlooked. Although traditionally regarded as pertaining to hemostasis, these proteins are also modulators of inflammation and angiogenesis, and exert cytoprotective functions. This review discusses the contribution of hemostasis components to Aβ cerebrovascular deposition, which settle the way to endothelial and blood-brain barrier dysfunction, vessel fragility, cerebral bleeding, and the associated cognitive changes. From the primary hemostasis, the process that refers to platelet aggregation, we discuss evidence regarding the von Willebrand factor (vWF) and its regulator ADAMTS13. Then, from the secondary hemostasis, we focus on tissue factor, which triggers the extrinsic coagulation cascade, and on the main inhibitors of coagulation, i.e., tissue factor pathway inhibitor (TFPI), and the components of protein C pathway. Last, from the tertiary hemostasis, we discuss evidence on FXIII, involved in fibrin cross-linking, and on components of fibrinolysis, including tissue-type plasminogen activator (tPA), urokinase-type plasminogen activator (uPA) and its receptor uPA(R), and plasminogen activator inhibitor-1 (PAI-1). Increased knowledge on contributors of Aβ-related disease progression may favor new therapeutic approaches for early modifiable risk factors.
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Affiliation(s)
- Nicole Ziliotto
- CAA and AD Translational Research and Biomarkers Laboratory, School of Medicine and Surgery, University of Milano - Bicocca, Via Cadore 48, 20900, Monza, Italy.
| | - Francesco Bernardi
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Fabrizio Piazza
- CAA and AD Translational Research and Biomarkers Laboratory, School of Medicine and Surgery, University of Milano - Bicocca, Via Cadore 48, 20900, Monza, Italy
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Yadegari H, Biswas A, Ahmed S, Naz A, Oldenburg J. von Willebrand factor propeptide missense variants affect anterograde transport to Golgi resulting in ER retention. Hum Mutat 2021; 42:731-744. [PMID: 33942438 DOI: 10.1002/humu.24204] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 02/22/2021] [Accepted: 04/01/2021] [Indexed: 11/07/2022]
Abstract
von Willebrand disease (VWD), the most prevalent congenital bleeding disorder, arises from a deficiency in von Willebrand factor (VWF), which has crucial roles in hemostasis. The present study investigated functional consequences and underlying pathomolecular mechanisms of several VWF propeptide (VWFpp) missense variants detected in our cohort of VWD patients for the first time. Transient expression experiments in HEK293T cells demonstrated that four out of the six investigated missense variants (p.Gly55Glu, p.Val86Glu, p.Trp191Arg, and p.Cys608Trp) severely impaired secretion. Their cotransfections with the wild-type partly corrected VWF secretion, displaying loss of large/intermediate multimers. Immunostaining of the transfected HEK293 cells illustrated the endoplasmic reticulum (ER) retention of the VWF variants. Docking of the COP I and COP II cargo recruitment proteins, ADP-ribosylation factor 1 and Sec24, onto the N-terminal VWF model (D1D2D'D3) revealed that these variants occur at VWFpp putative interfaces, which can hinder VWF loading at the ER exit quality control. Furthermore, quantitative and automated morphometric exploration of the three-dimensional immunofluorescence images showed changes in the number/size of the VWF storage organelles, Weibel-Palade body (WPB)-like vesicles. The result of this study highlighted the significance of the VWFpp variants on anterograde ER-Golgi trafficking of VWF as well as the biogenesis of WPB-like vesicles.
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Affiliation(s)
- Hamideh Yadegari
- Institute of Experimental Haematology and Transfusion Medicine, University Clinics Bonn, Bonn, Germany
| | - Arijit Biswas
- Institute of Experimental Haematology and Transfusion Medicine, University Clinics Bonn, Bonn, Germany
| | - Shariq Ahmed
- National Institute of Blood Disease & Bone Marrow Transplantation, Karachi, Pakistan
| | - Arshi Naz
- National Institute of Blood Disease & Bone Marrow Transplantation, Karachi, Pakistan
| | - Johannes Oldenburg
- Institute of Experimental Haematology and Transfusion Medicine, University Clinics Bonn, Bonn, Germany
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Lammerts RGM, Lagendijk LM, Tiller G, Dam WA, Lancaster HL, Daha MR, Seelen MA, Hepkema BG, Pol RA, Leuvenink HGD, Molema G, van den Born J, Berger SP. Machine-perfused donor kidneys as a source of human renal endothelial cells. Am J Physiol Renal Physiol 2021; 320:F947-F962. [PMID: 33719571 DOI: 10.1152/ajprenal.00541.2020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Renal endothelial cells (ECs) play crucial roles in vasorelaxation, ultrafiltration, and selective transport of electrolytes and water, but also in leakage of the glomerular filtration barrier and inflammatory processes like complement activation and leukocyte recruitment. In addition, they are target cells for both cellular and antibody-mediated rejection in the transplanted kidney. To study the molecular and cellular processes underlying EC behavior in renal disease, well-characterized primary renal ECs are indispensible. In this report, we describe a straightforward procedure to isolate ECs from the perfusion fluid of human donor kidneys by a combination of negative selection of monocytes/macrophages, positive selection by CD31 Dynabeads, and propagation in endothelium-specific culture medium. Thus, we isolated and propagated renal ECs from 102 donor kidneys, representative of all blood groups and major human leukocyte antigen (HLA) class I and II antigens. The obtained ECs were positive for CD31 and von Willebrand factor, expressed other endothelial markers such as CD34, VEGF receptor-2, TIE2, and plasmalemmal vesicle associated protein-1 to a variable extent, and were negative for the monocyte marker CD14 and lymphatic endothelial marker podoplanin. HLA class II was either constitutively expressed or could be induced by interferon-γ. Furthermore, as a proof of principle, we showed the diagnostic value of this renal endothelial biobank in renal endothelium-specific cross-matching tests for HLA antibodies.NEW & NOTEWORTHY We describe a new and widely accessible approach to obtain human primary renal endothelial cells in a standardized fashion, by isolating from the perfusate of machine-perfused donor kidneys. Characterization of the cells showed a mixed population originating from different compartments of the kidney. As a proof of principle, we demonstrated a possible diagnostic application in an endothelium-specific cross-match. Next to transplantation, we foresee further applications in the field renal endothelial research.
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Affiliation(s)
- Rosa G M Lammerts
- Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Lisanne M Lagendijk
- Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Gesa Tiller
- Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Wendy A Dam
- Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Harriet L Lancaster
- Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Mohamed R Daha
- Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Marc A Seelen
- Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Bouke G Hepkema
- Transplantation Immunology, Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Robert A Pol
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Henri G D Leuvenink
- Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Grietje Molema
- Medical Biology Section, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, The Netherlands
| | - Jacob van den Born
- Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Stefan P Berger
- Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Thrombomodulin is essential for maintaining quiescence in vascular endothelial cells. Proc Natl Acad Sci U S A 2021; 118:2022248118. [PMID: 33836597 DOI: 10.1073/pnas.2022248118] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Thrombomodulin (TM) is a thrombin receptor on endothelial cells that is involved in promoting activation of the anticoagulant protein C pathway during blood coagulation. TM also exerts protective anti-inflammatory properties through a poorly understood mechanism. In this study, we investigated the importance of TM signaling to cellular functions by deleting it from endothelial cells by CRISPR-Cas9 technology and analyzed the resultant phenotype of TM-deficient (TM -/- ) cells. Deficiency of TM in endothelial cells resulted in increased basal permeability and hyperpermeability when stimulated by thrombin and TNF-α. The loss of the basal barrier permeability function was accompanied by increased tyrosine phosphorylation of VE-cadherin and reduced polymerization of F-actin filaments at cellular junctions. A significant increase in basal NF-κB signaling and expression of inflammatory cell adhesion molecules was observed in TM -/- cells that resulted in enhanced adhesion of leukocytes to TM -/- cells in flow chamber experiments. There was also a marked increase in expression, storage, and release of the von Willebrand factor (VWF) and decreased storage and release of angiopoietin-2 in TM -/- cells. In a flow chamber assay, isolated platelets adhered to TM -/- cells, forming characteristic VWF-platelet strings. Increased VWF levels and inflammatory foci were also observed in the lungs of tamoxifen-treated ERcre-TMf/f mice. Reexpression of the TM construct in TM -/- cells, but not treatment with soluble TM, normalized the cellular phenotype. Based on these results, we postulate cell-bound TM endows a quiescent cellular phenotype by tightly regulating expression of procoagulant, proinflammatory, and angiogenic molecules in vascular endothelial cells.
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Kawano H, Kawamura K, Kohno M, Ishijima M, Fukae S, Ishikawa T, Makita N, Maemura K. Pathological findings of myocardium in a patient with cardiac conduction defect associated with an SCN5A mutation. Med Mol Morphol 2021; 54:259-264. [PMID: 33651170 DOI: 10.1007/s00795-021-00283-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 02/12/2021] [Indexed: 11/27/2022]
Abstract
A 16-year-old Japanese man was admitted to our hospital because of syncope during exercise. His father and his younger brother had permanent pacemaker implantation because of sick sinus syndrome. Several examinations revealed first-degree atrioventricular block, complete right bundle branch block, sick sinus syndrome, and ventricular tachycardia with normal cardiac function. As no abnormalities were evident on coronary angiography, right ventricular endomyocardial biopsy was performed. It showed myocardial disarrangement and lipofuscin accumulation in hypertrophic myocytes. Moreover, electron microscopy showed a few degenerative myocytes, Z-band streaming, disarrangement, increased small capillaries with Weibel-Palade bodies in endothelial cells, and endothelial proliferations. Genetic analysis of the proband, his father, and his younger brother revealed a missense mutation, D1275N, in SCN5A, a gene which encodes sodium ion channel protein, are related to cardiomyopathy and arrhythmia. The proband was diagnosed with a cardiac conduction defect (CCD) and underwent permanent pacemaker implantation. These pathological findings suggest various myocardial changes presented in CCD patients with a missense mutation, D1275N, in SCN5A.
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Affiliation(s)
- Hiroaki Kawano
- Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.
| | - Koichi Kawamura
- Faculty of Science and Engineering, Waseda University, Tokyo, Japan
| | - Masaki Kohno
- Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Mitsuaki Ishijima
- Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Satoki Fukae
- Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Taisuke Ishikawa
- Omics Research Center, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Naomasa Makita
- Omics Research Center, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Koji Maemura
- Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
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50
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Hong R, Hu Y, Huang H. Biomarkers for Chimeric Antigen Receptor T Cell Therapy in Acute Lymphoblastic Leukemia: Prospects for Personalized Management and Prognostic Prediction. Front Immunol 2021; 12:627764. [PMID: 33717147 PMCID: PMC7947199 DOI: 10.3389/fimmu.2021.627764] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 01/18/2021] [Indexed: 12/15/2022] Open
Abstract
Chimeric antigen receptor (CAR) T cell therapy represents a breakthrough in immunotherapy with the potential of ushering in a new era in cancer treatment. Remarkable therapeutic response and complete remission of this innovative management have been observed in patients with relapse/refractory acute lymphoblastic leukemia. With CAR-T cell therapy becoming widely used both in multicenter clinical trials and as a commercial treatment, therapeutic efficacy monitoring and management of toxicities will be indispensable for ensuring safety and improving overall survival. Biomarkers can act not only as effective indicators reflecting patients' baseline characteristics, CAR-T cell potency, and the immune microenvironment, but can also assess side effects during treatment. In this review, we will elaborate on a series of biomarkers associated with therapeutic response as well as treatment-related toxicities, and present their current condition and latent value with respect to the clinical utility. The combination of biomarker research and CAR-T cell therapy will contribute to establishing a safer and more powerful monitoring system and prolonging the event-free survival of patients.
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Affiliation(s)
- Ruimin Hong
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
- Zhejiang Laboratory for Systems and Precision Medicine, Zhejiang University Medical Center, Hangzhou, China
| | - Yongxian Hu
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
- Zhejiang Laboratory for Systems and Precision Medicine, Zhejiang University Medical Center, Hangzhou, China
| | - He Huang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Institute of Hematology, Zhejiang University, Hangzhou, China
- Zhejiang Province Engineering Laboratory for Stem Cell and Immunity Therapy, Hangzhou, China
- Zhejiang Laboratory for Systems and Precision Medicine, Zhejiang University Medical Center, Hangzhou, China
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