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Diebel LN, Liberati DM, Karadjoff A, Terasaki Y, Srour A, McPherson S. Detection of glycocalyx degradation in real time: A conceptual model of thromboelastography. Surgery 2024; 175:613-617. [PMID: 37863690 DOI: 10.1016/j.surg.2023.08.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 08/15/2023] [Accepted: 08/17/2023] [Indexed: 10/22/2023]
Abstract
BACKGROUND The endothelial glycocalyx is a critical component of the vascular barrier; its disruption after shock states may contribute to coagulopathy in a variety of conditions. Measurement of glycocalyx components in plasma have been used to index glycocalyx degradation but are not available as a point of care test. Heparanoids, such as heparan sulfate, may affect coagulation which may be detected by either thromboelastography or activated clotting time. METHODS Endothelial glycocalyx components syndecan-1 and heparan sulfate were added to blood samples at clinically relevant concentrations. Thromboelastography values included clot reaction time, clot amplification and fibrinogen values, and maximum clot strength (maximum amplitude, platelets). The heparinase thromboelastography cartridge was used to detect a heparin-like effect. The activated clotting time test was performed subsequently using the heparan sulfate blood samples to compare a standard coagulation test with thromboelastography clot reaction times. RESULTS Both thromboelastography clot reaction time (with comparison to heparinase) and activated clotting time were useful to detect effects of coagulation. Thromboelastography also detected platelet and fibrinogen abnormalities at higher heparan sulfate concentrations. Studies using thromboelastography or even activated clotting time may be useful to detect glycocalyx degradation after shock states and may guide clinical decision making. CONCLUSION Thromboelastography and or activated clotting time may be useful to detect glycocalyx degradation as a point of care test in patients in the acute setting. Additionally, these assays may detect previous undisclosed coagulopathy due to glycocalyx degradation.
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Affiliation(s)
- Lawrence N Diebel
- Michael and Marian Ilitch Department of Surgery, Wayne State University, Detroit, MI.
| | - David M Liberati
- Michael and Marian Ilitch Department of Surgery, Wayne State University, Detroit, MI
| | - Alison Karadjoff
- Michael and Marian Ilitch Department of Surgery, Wayne State University, Detroit, MI
| | - Yusuke Terasaki
- Michael and Marian Ilitch Department of Surgery, Wayne State University, Detroit, MI
| | - Ali Srour
- Michael and Marian Ilitch Department of Surgery, Wayne State University, Detroit, MI
| | - Steve McPherson
- Michael and Marian Ilitch Department of Surgery, Wayne State University, Detroit, MI
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Angelov AK, Markov M, Ivanova M, Georgiev T. The genesis of cardiovascular risk in inflammatory arthritis: insights into glycocalyx shedding, endothelial dysfunction, and atherosclerosis initiation. Clin Rheumatol 2023; 42:2541-2555. [PMID: 37581758 DOI: 10.1007/s10067-023-06738-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: 07/18/2023] [Revised: 08/05/2023] [Accepted: 08/07/2023] [Indexed: 08/16/2023]
Abstract
This narrative review provides a comprehensive examination of the complex interplay between inflammatory arthritis (IA) and cardiovascular pathology. It particularly illuminates the roles of atherosclerosis initiation, endothelial dysfunction, and glycocalyx shedding. IA not only provokes tissue-specific inflammatory responses, but also engenders a considerable degree of non-specific systemic inflammation. This review underscores the accelerating influence of the chronic inflammatory milieu of IA on cardiovascular disease (CVD) progression. A focal point of our exploration is the critical function of the endothelial glycocalyx (EG) in this acceleration process, which possibly characterizes the earliest phases of atherosclerosis. We delve into the influence of inflammatory mediators on microtubule dynamics, EG modulation, immune cell migration and activation, and lipid dysregulation. We also illuminate the impact of microparticles and microRNA on endothelial function. Further, we elucidate the role of systemic inflammation and sheddases in EG degradation, the repercussions of complement activation, and the essential role of syndecans in preserving EG integrity. Our review provides insight into the complex and dynamic interface between systemic circulation and the endothelium.
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Affiliation(s)
- Alexander Krasimirov Angelov
- Medical Faculty, Medical University - Sofia, Sofia, 1431, Bulgaria
- Clinic of Rheumatology, University Hospital St. Ivan Rilski - Sofia, Sofia, 1431, Bulgaria
| | - Miroslav Markov
- Faculty of Medicine, Medical University - Varna, Varna, 9002, Bulgaria
- Clinic of Internal Medicine, University Hospital St. Marina - Varna, Varna, 9010, Bulgaria
| | - Mariana Ivanova
- Medical Faculty, Medical University - Sofia, Sofia, 1431, Bulgaria
- Clinic of Rheumatology, University Hospital St. Ivan Rilski - Sofia, Sofia, 1431, Bulgaria
| | - Tsvetoslav Georgiev
- Faculty of Medicine, Medical University - Varna, Varna, 9002, Bulgaria.
- Clinic of Rheumatology, University Hospital St. Marina - Varna, Varna, 9002, Bulgaria.
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Matsumoto H, Annen S, Mukai N, Ohshita M, Murata S, Harima Y, Ogawa S, Okita M, Nakabayashi Y, Kikuchi S, Takeba J, Sato N. Circulating Syndecan-1 Levels Are Associated with Chronological Coagulofibrinolytic Responses and the Development of Disseminated Intravascular Coagulation (DIC) after Trauma: A Retrospective Observational Study. J Clin Med 2023; 12:4386. [PMID: 37445421 DOI: 10.3390/jcm12134386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 06/16/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
BACKGROUND The purpose of this study was to evaluate the association between endotheliopathy represented by high levels of circulating syndecan-1 (SDC-1) and coagulofibrinolytic responses due to trauma, which can lead to disseminated intravascular coagulation (DIC). METHODS We retrospectively evaluated 48 eligible trauma patients immediately admitted to our hospital and assessed SDC-1 and coagulofibrinolytic parameters for 7 days after admission. We compared the longitudinal changes of coagulofibrinolytic parameters and SDC-1 levels between two groups (high and low SDC-1) according to median SDC-1 value on admission. RESULTS The median circulating SDC-1 level was 99.6 (61.1-214.3) ng/mL on admission, and levels remained high until 7 days after admission. Coagulofibrinolytic responses assessed by biomarkers immediately after trauma were correlated with SDC-1 elevation (thrombin-antithrombin complex, TAT: r = 0.352, p = 0.001; antithrombin, AT: r = -0.301, p < 0.001; plasmin-α2-plasmin inhibitor complex, PIC: r = 0.503, p = 0.035; tissue plasminogen activator, tPA: r = 0.630, p < 0.001). Sustained SDC-1 elevation was associated with intense and prolonged coagulation activation, impairment of anticoagulation, and fibrinolytic activation followed by inhibition of fibrinolysis, which are the primary responses associated with development of DIC in the acute phase of trauma. Elevation of circulating SDC-1 level was also associated with consumption coagulopathy and the need for transfusion, which revealed a significant association between high SDC-1 levels and the development of DIC after trauma (area under the curve, AUC = 0.845, cut-off value = 130.38 ng/mL, p = 0.001). CONCLUSIONS High circulating levels of syndecan-1 were associated with intense and prolonged coagulation activation, impairment of anticoagulation, fibrinolytic activation, and consumption coagulopathy after trauma. Endotheliopathy represented by SDC-1 elevation was associated with trauma induced coagulopathy, which can lead to the development of DIC.
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Affiliation(s)
- Hironori Matsumoto
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, Ehime University, Toon 791-0295, Ehime, Japan
| | - Suguru Annen
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, Ehime University, Toon 791-0295, Ehime, Japan
| | - Naoki Mukai
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, Ehime University, Toon 791-0295, Ehime, Japan
| | - Muneaki Ohshita
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, Ehime University, Toon 791-0295, Ehime, Japan
| | - Satoru Murata
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, Ehime University, Toon 791-0295, Ehime, Japan
| | - Yutaka Harima
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, Ehime University, Toon 791-0295, Ehime, Japan
| | - Shirou Ogawa
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, Ehime University, Toon 791-0295, Ehime, Japan
| | - Mitsuo Okita
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, Ehime University, Toon 791-0295, Ehime, Japan
| | - Yuki Nakabayashi
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, Ehime University, Toon 791-0295, Ehime, Japan
| | - Satoshi Kikuchi
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, Ehime University, Toon 791-0295, Ehime, Japan
| | - Jun Takeba
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, Ehime University, Toon 791-0295, Ehime, Japan
| | - Norio Sato
- Department of Emergency and Critical Care Medicine, Graduate School of Medicine, Ehime University, Toon 791-0295, Ehime, Japan
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Richter RP, Payne GA, Ambalavanan N, Gaggar A, Richter JR. The endothelial glycocalyx in critical illness: A pediatric perspective. Matrix Biol Plus 2022; 14:100106. [PMID: 35392182 PMCID: PMC8981764 DOI: 10.1016/j.mbplus.2022.100106] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 02/28/2022] [Accepted: 03/01/2022] [Indexed: 12/18/2022] Open
Abstract
The endothelial glycocalyx thins with age and cardiovascular comorbidities. Endothelial glycocalyx is affected by and integral to severe pediatric illnesses. Mechanistic insight into cause/effect of endothelial glycocalyx injury is paramount. Vascular glycocalyx damage in pediatric critical illness warrants further study.
The vascular endothelium is the interface between circulating blood and end organs and thus has a critical role in preserving organ function. The endothelium is lined by a glycan-rich glycocalyx that uniquely contributes to endothelial function through its regulation of leukocyte and platelet interactions with the vessel wall, vascular permeability, coagulation, and vasoreactivity. Degradation of the endothelial glycocalyx can thus promote vascular dysfunction, inflammation propagation, and organ injury. The endothelial glycocalyx and its role in vascular pathophysiology has gained increasing attention over the last decade. While studies characterizing vascular glycocalyx injury and its downstream consequences in a host of adult human diseases and in animal models has burgeoned, studies evaluating glycocalyx damage in pediatric diseases are relatively few. As children have unique physiology that differs from adults, significant knowledge gaps remain in our understanding of the causes and effects of endothelial glycocalyx disintegrity in pediatric critical illness. In this narrative literature overview, we offer a unique perspective on the role of the endothelial glycocalyx in pediatric critical illness, drawing from adult and preclinical data in addition to pediatric clinical experience to elucidate how marked derangement of the endothelial surface layer may contribute to aberrant vascular biology in children. By calling attention to this nascent field, we hope to increase research efforts to address important knowledge gaps in pediatric vascular biology that may inform the development of novel therapeutic strategies.
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Affiliation(s)
- Robert P. Richter
- Department of Pediatrics, University of Alabama at Birmingham, Birmingham, AL, USA
- Program in Protease and Matrix Biology, University of Alabama at Birmingham, Birmingham, AL, USA
- Center for Injury Science, University of Alabama at Birmingham, Birmingham, AL, USA
- Corresponding author at: Department of Pediatrics, University of Alabama at Birmingham, 1600 5 Avenue South, CPPI Suite 102, Birmingham, Alabama 35233, USA.
| | - Gregory A. Payne
- Program in Protease and Matrix Biology, University of Alabama at Birmingham, Birmingham, AL, USA
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Namasivayam Ambalavanan
- Department of Pediatrics, University of Alabama at Birmingham, Birmingham, AL, USA
- Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, AL, USA
- Translational Research in Normal and Disordered Development Program, University of Alabama, Birmingham, AL, USA
| | - Amit Gaggar
- Program in Protease and Matrix Biology, University of Alabama at Birmingham, Birmingham, AL, USA
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
- Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Jillian R. Richter
- Center for Injury Science, University of Alabama at Birmingham, Birmingham, AL, USA
- Department of Surgery, University of Alabama at Birmingham, Birmingham, AL, USA
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL, USA
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Diebel LN, Liberati DM, Hla T, Swendeman S. Plasma components to protect the endothelial barrier after shock: A role for sphingosine 1-phosphate. Surgery 2021; 171:825-832. [PMID: 34865862 DOI: 10.1016/j.surg.2021.08.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/23/2021] [Accepted: 08/28/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Hemorrhagic shock leads to endothelial glycocalyx shedding, endothelial cellular inflammation, and increased vascular permeability. Early plasma administration improves survival in severely injured patients; this may be due in part to its ability to ameliorate this trauma-induced endotheliopathy. The protective effect of early plasma administration may be due to its sphingosine 1-phosphate content. Principle carriers of plasma sphingosine 1-phosphate include apolipoprotein M and albumin. The relative roles of these carriers on sphingosine 1-phosphate protective effects are unknown and were studied in an in vitro model of microcirculation. METHODS Endothelial cell monolayers were established in microfluidic perfusion devices and exposed to control or biomimetic shock conditions. Sphingosine 1-phosphate, albumin + sphingosine 1-phosphate, or apolipoprotein M + sphingosine 1-phosphate were added later to the perfusate. Biomarkers of endothelial and glycocalyx activation and damage were then determined. RESULTS Sphingosine 1-phosphate preserved endothelial and glycocalyx barrier function after exposure to conditions of shock in the microcirculation. The protective effect was related to sphingosine 1-phosphate chaperones; the apolipoprotein M loaded with sphingosine 1-phosphate had the most profound effect. CONCLUSION Carrier-based sphingosine 1-phosphate may be a useful adjunct in early hemorrhagic shock resuscitation.
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Affiliation(s)
- Lawrence N Diebel
- Michael and Marian Ilitch Department of Surgery, Wayne State University, Detroit, MI.
| | - David M Liberati
- Michael and Marian Ilitch Department of Surgery, Wayne State University, Detroit, MI
| | - Timothy Hla
- Department of Surgery, Vascular Biology Program, Boston Children's Hospital, Harvard Medical School, Boston, MA
| | - Steven Swendeman
- Department of Surgery, Vascular Biology Program, Boston Children's Hospital, Harvard Medical School, Boston, MA
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Puchwein-Schwepcke A, Genzel-Boroviczény O, Nussbaum C. The Endothelial Glycocalyx: Physiology and Pathology in Neonates, Infants and Children. Front Cell Dev Biol 2021; 9:733557. [PMID: 34540845 PMCID: PMC8440834 DOI: 10.3389/fcell.2021.733557] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 08/12/2021] [Indexed: 11/13/2022] Open
Abstract
The endothelial glycocalyx (EG) as part of the endothelial surface layer (ESL) is an important regulator of vascular function and homeostasis, including permeability, vascular tone, leukocyte recruitment and coagulation. Located at the interface between the endothelium and the blood stream, this highly fragile structure is prone to many disruptive factors such as inflammation and oxidative stress. Shedding of the EG has been described in various acute and chronic diseases characterized by endothelial dysfunction and angiopathy, such as sepsis, trauma, diabetes and cardiovascular disease. Circulating EG components including syndecan-1, hyaluronan and heparan sulfate are being evaluated in animal and clinical studies as diagnostic and prognostic markers in several pathologies, and advances in microscopic techniques have enabled in vivo assessment of the EG. While research regarding the EG in adult physiology and pathology has greatly advanced throughout the last decades, our knowledge of the development of the glycocalyx and its involvement in pathological conditions in the pediatric population is limited. Current evidence suggests that the EG is present early during fetal development and plays a critical role in vessel formation and maturation. Like in adults, EG shedding has been demonstrated in acute inflammatory conditions in infants and children and chronic diseases with childhood-onset. However, the underlying mechanisms and their contribution to disease manifestation and progression still need to be established. In the future, the glycocalyx might serve as a marker to identify pediatric patients at risk for vascular sequelae and as a potential target for early interventions.
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Affiliation(s)
- Alexandra Puchwein-Schwepcke
- Division of Neonatology, Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, LMU Munich, Munich, Germany.,Department of Pediatric Neurology and Developmental Medicine, University of Basel Children's Hospital, Basel, Switzerland
| | - Orsolya Genzel-Boroviczény
- Division of Neonatology, Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, LMU Munich, Munich, Germany
| | - Claudia Nussbaum
- Division of Neonatology, Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, LMU Munich, Munich, Germany
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