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Baucom MR, Weissman N, Price AD, England L, Schuster RM, Pritts TA, Goodman MD. Syndecan-1 as the Effect or Effector of the Endothelial Inflammatory Response? J Surg Res 2024; 295:611-618. [PMID: 38096775 DOI: 10.1016/j.jss.2023.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 09/11/2023] [Accepted: 10/27/2023] [Indexed: 02/25/2024]
Abstract
INTRODUCTION Syndecan-1 is a heparan sulfate proteoglycan found in the glycocalyx of vascular endothelial cells. Serum levels of syndecan-1 have repeatedly been demonstrated to increase following traumatic injury and shock, but it is unclear whether syndecan-1 plays an active role in the inflammatory response or is simply a biomarker of a state of hypoperfusion. The aim of this study was to identify the role of syndecan-1 role in the inflammatory process in the absence of trauma. METHODS Male mice were randomized into five groups (n = 3). Four groups received increasing concentrations of syndecan-1 (1, 10, 100, and 1000pg/mL per blood volume) and a fifth group was given normal saline as a control via intravenous injection. These concentrations were selected based on previous syndecan-1 enzyme-linked immunosorbent assay data acquired following induced hemorrhagic shock in mice resulting in serum levels of 10-6000 pg/mL. Mice from each group were sacrificed at 1-, 4-, and 24-h time points for serum biomarker evaluation. A multiplex enzyme-linked immunosorbent assay was performed to analyze proinflammatory cytokines and chemokines including interleukin (IL)-1a, IL-1b, IL-2, IL-3, IL-4, IL-6, IL-10, IL-12, IL-17, monocyte chemoattractant protein-1, TNF-α, macrophage inflammatory protein-1α, granulocyte-macrophage colony-stimulating factor, and normal T cell expressed and presumably secreted levels. Whole blood was analyzed via rotational thromboelastometry in a separate group of mice dosed with syndecan-1 at 1000 pg/mL and compared to sham mice at 1 h. RESULTS Tumor necrosis factor-α was significantly elevated in the 1000 pg/mL group compared to sham animals. There were no significant changes in IL-1a, IL-1b, IL-2, IL-3, IL-4, IL-6, IL-10, IL-12, monocyte chemoattractant protein--1, macrophage inflammatory protein-1α, granulocyte-macrophage colony-stimulating factor, or normal T cell expressed and presumably secretedat 1, 4, and 24 h for any group when compared to mice receiving saline alone. No significant differences were noted in coagulability between the 1000 pg/mL syndecan-1 group and shams at 1 h CONCLUSIONS: Inflammatory cytokine concentrations did not change with increasing dosage of syndecan-1 within mice at any timepoint, except for an acute change in tumor necrosis factor-α which was transient. Based on our results, syndecan-1 appears to be a biomarker for inflammation rather than an active participant in eliciting an inflammatory response. Further research will focus on the role of syndecan-1 following hemorrhagic shock.
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Affiliation(s)
- Matthew R Baucom
- Department of Surgery, University of Cincinnati, Cincinnati, Ohio
| | | | - Adam D Price
- Department of Surgery, University of Cincinnati, Cincinnati, Ohio
| | - Lisa England
- Department of Surgery, University of Cincinnati, Cincinnati, Ohio
| | | | - Timothy A Pritts
- Department of Surgery, University of Cincinnati, Cincinnati, Ohio
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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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Lin L, Niu M, Gao W, Wang C, Wu Q, Fang F, Wang Y, Wang W. Predictive role of glycocalyx components and MMP-9 in cardiopulmonary bypass patients for ICU stay. Heliyon 2024; 10:e23299. [PMID: 38163126 PMCID: PMC10756997 DOI: 10.1016/j.heliyon.2023.e23299] [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: 08/28/2023] [Revised: 11/29/2023] [Accepted: 11/30/2023] [Indexed: 01/03/2024] Open
Abstract
Background Shedding of glycocalyx is relevant to worse prognosis in surgical patients, and elevated levels of serum matrix metalloproteinase-9 (MMP-9) are associated with this phenomenon. This study aimed to investigate the dynamic alterations of serum glycocalyx components and MMP-9 during cardiopulmonary bypass (CPB), and evaluate their predictive capacities for prolonged intensive care unit (ICU) stay, as well as their correlation with coagulation dysfunction. Methods This retrospective study analyzed serum levels of syndecan-1, heparan sulfate (HS), and MMP-9 at different time points during CPB, and assessed their association with prolonged ICU stay and coagulation dysfunction. Results Syndecan-1, HS, and MMP-9 exhibited divergent changes during CPB. Serum levels of syndecan-1 (AUC = 78.0 %) and MMP-9 (AUC = 78.4 %) were validated as reliable predictors for prolonged ICU stay, surpassing the predictive value of creatinine (AUC = 70.0 %). Syndecan-1 (rho = 0.566, P < 0.01 at T1 and rho = 0.526, P < 0.01 at T2) and HS (rho = 0.403, P < 0.05 at T4) exhibited correlations with activated partial thromboplastin time (APTT) ratio beyond the normal range. Conclusions Our findings advocate the potential efficacy of serum glycocalyx components and MMP-9 as early predictive indicators for extended ICU stay following cardiac surgery with CPB. Additionally, we observed a correlation between glycocalyx disruption during CPB and coagulation dysfunction. Further studies with expansive cohorts are warranted to consolidate our findings and explore the predictive potential of other glycocalyx components.
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Affiliation(s)
- Lina Lin
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325000, China
| | - Mengying Niu
- Department of Anesthesiology, Peking University Third Hospital, Beijing, 100191, China
| | - Wei Gao
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325000, China
| | - Chundong Wang
- Department of Anesthesiology, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang, Zhejiang, 322100, China
| | - Qiaolin Wu
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325000, China
| | - Fuquan Fang
- Department of Anesthesiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310003, China
| | - Yongan Wang
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325000, China
| | - Weijian Wang
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, 325000, China
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Han Y, Duan J, Chen M, Huang S, Zhang B, Wang Y, Liu J, Li X, Yu W. Relationship between serum sodium level and sepsis-induced coagulopathy. Front Med (Lausanne) 2024; 10:1324369. [PMID: 38298508 PMCID: PMC10828971 DOI: 10.3389/fmed.2023.1324369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 12/21/2023] [Indexed: 02/02/2024] Open
Abstract
Purpose A discussion about the correlation between the level of serum sodium and sepsis-induced coagulopathy (SIC). Materials and methods A retrospective analysis was conducted on sepsis patients who were admitted to the Intensive Care Unit (ICU) of Nanjing Drum Tower Hospital from January 2021 to December 2022. Based on the presence of coagulation disorders, the patients were divided into two groups: sepsis-induced coagulopathy (SIC) and non-sepsis-induced coagulopathy (non-SIC) groups. We recorded demographic characteristics and laboratory indicators at the time of ICU admission, and analyzed relationship between serum sodium level and SIC. Results One hundred and twenty-five patients with sepsis were enrolled, among which, the SIC and the non-SIC groups included 62 and 63 patients, respectively. Compared to patients in the non-SIC group, the level of serum sodium of those in the SIC was significantly higher (p < 0.001). Multi-factor logistic regression showed serum sodium level was independently associated with SIC (or = 1.127, p = 0.001). Pearson's correlation analysis indicated that the higher the serum sodium level, the significantly higher the SIC score was (r = 0.373, p < 0.001). Additionally, the mortality rate of patients with sepsis in the ICU were significantly correlated with increased serum sodium levels (p = 0.014). Conclusion An increase in serum sodium level was independently associated with an increased occurrence of SIC and also associated with the poor prognosis for patients with sepsis.
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Affiliation(s)
- Yanyu Han
- Department of Critical Care Medicine, Nanjing Drum Tower Hospital, Drum Tower Clinical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jianfeng Duan
- Department of Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Ming Chen
- Department of Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Shijie Huang
- Department of Critical Care Medicine, Nanjing Drum Tower Hospital, Drum Tower Clinical College, Nanjing University of Chinese Medicine, Nanjing, China
| | - Beiyuan Zhang
- Department of Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Yan Wang
- Department of Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Jiali Liu
- Department of Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Xiaoyao Li
- Department of Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Wenkui Yu
- Department of Critical Care Medicine, Nanjing Drum Tower Hospital, Drum Tower Clinical College, Nanjing University of Chinese Medicine, Nanjing, China
- Department of Critical Care Medicine, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
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Thota LNR, Lopez Rosales JE, Placencia I, Zemskov EA, Tonino P, Michael AN, Black SM, Chignalia AZ. The Pulmonary Endothelial Glycocalyx Modifications in Glypican 1 Knockout Mice Do Not Affect Lung Endothelial Function in Physiological Conditions. Int J Mol Sci 2023; 24:14568. [PMID: 37834029 PMCID: PMC10573009 DOI: 10.3390/ijms241914568] [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: 07/31/2023] [Revised: 09/11/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023] Open
Abstract
The endothelial glycocalyx is a dynamic signaling surface layer that is involved in the maintenance of cellular homeostasis. The glycocalyx has a very diverse composition, with glycoproteins, proteoglycans, and glycosaminoglycans interacting with each other to form a mesh-like structure. Due to its highly interactive nature, little is known about the relative contribution of each glycocalyx constituent to its overall function. Investigating the individual roles of the glycocalyx components to cellular functions and system physiology is challenging, as the genetic manipulation of animals that target specific glycocalyx components may result in the development of a modified glycocalyx. Thus, it is crucial that genetically modified animal models for glycocalyx components are characterized and validated before the development of mechanistic studies. Among the glycocalyx components, glypican 1, which acts through eNOS-dependent mechanisms, has recently emerged as a player in cardiovascular diseases. Whether glypican 1 regulates eNOS in physiological conditions is unclear. Herein, we assessed how the deletion of glypican 1 affects the development of the pulmonary endothelial glycocalyx and the impact on eNOS activity and endothelial function. Male and female 5-9-week-old wild-type and glypican 1 knockout mice were used. Transmission electron microscopy, immunofluorescence, and immunoblotting assessed the glycocalyx structure and composition. eNOS activation and content were assessed by immunoblotting; nitric oxide production was assessed by the Griess reaction. The pulmonary phenotype was evaluated by histological signs of lung injury, in vivo measurement of lung mechanics, and pulmonary ventilation. Glypican 1 knockout mice showed a modified glycocalyx with increased glycocalyx thickness and heparan sulfate content and decreased expression of syndecan 4. These alterations were associated with decreased phosphorylation of eNOS at S1177. The production of nitric oxides was not affected by the deletion of glypican 1, and the endothelial barrier was preserved in glypican 1 knockout mice. Pulmonary compliance was decreased, and pulmonary ventilation was unaltered in glypican 1 knockout mice. Collectively, these data indicate that the deletion of glypican 1 may result in the modification of the glycocalyx without affecting basal lung endothelial function, validating this mouse model as a tool for mechanistic studies that investigate the role of glypican 1 in lung endothelial function.
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Affiliation(s)
- Lakshmi N. R. Thota
- Department of Anesthesiology, College of Medicine-Tucson, The University of Arizona, Tucson, AZ 85724, USA (J.E.L.R.)
| | - Joaquin E. Lopez Rosales
- Department of Anesthesiology, College of Medicine-Tucson, The University of Arizona, Tucson, AZ 85724, USA (J.E.L.R.)
| | - Ivan Placencia
- Department of Anesthesiology, College of Medicine-Tucson, The University of Arizona, Tucson, AZ 85724, USA (J.E.L.R.)
| | - Evgeny A. Zemskov
- Center for Translational Science, Florida International University, Port St. Lucie, FL 34987, USA
- Department of Cellular Biology & Pharmacology, Howard Wertheim College of Medicine, Florida International University, Miami, FL 33199, USA
| | - Paola Tonino
- Research, Innovation & Impact Cores Facilities, Imaging Cores-Electron, Life Sciences North, The University of Arizona, Tucson, AZ 85719, USA;
| | - Ashley N. Michael
- Asthma and Airway Disease Research Center, The University of Arizona, Tucson, AZ 85724, USA
| | - Stephen M. Black
- Center for Translational Science, Florida International University, Port St. Lucie, FL 34987, USA
- Department of Cellular Biology & Pharmacology, Howard Wertheim College of Medicine, Florida International University, Miami, FL 33199, USA
- Department of Environmental Health Sciences, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, FL 33174, USA
| | - Andreia Z. Chignalia
- Department of Anesthesiology, College of Medicine-Tucson, The University of Arizona, Tucson, AZ 85724, USA (J.E.L.R.)
- Department of Physiology, College of Medicine-Tucson, The University of Arizona, Tucson, AZ 85724, USA
- Sarver Heart Center, The University of Arizona, Tucson, AZ 85724, USA
- Department of Pharmacology and Toxicology, College of Pharmacy, The University of Arizona, Tucson, AZ 85721, USA
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Latif RK, Clifford SP, Baker JA, Lenhardt R, Haq MZ, Huang J, Farah I, Businger JR. Traumatic hemorrhage and chain of survival. Scand J Trauma Resusc Emerg Med 2023; 31:25. [PMID: 37226264 DOI: 10.1186/s13049-023-01088-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 05/05/2023] [Indexed: 05/26/2023] Open
Abstract
Trauma is the number one cause of death among Americans between the ages of 1 and 46 years, costing more than $670 billion a year. Following death related to central nervous system injury, hemorrhage accounts for the majority of remaining traumatic fatalities. Among those with severe trauma that reach the hospital alive, many may survive if the hemorrhage and traumatic injuries are diagnosed and adequately treated in a timely fashion. This article aims to review the recent advances in pathophysiology management following a traumatic hemorrhage as well as the role of diagnostic imaging in identifying the source of hemorrhage. The principles of damage control resuscitation and damage control surgery are also discussed. The chain of survival for severe hemorrhage begins with primary prevention; however, once trauma has occurred, prehospital interventions and hospital care with early injury recognition, resuscitation, definitive hemostasis, and achieving endpoints of resuscitation become paramount. An algorithm is proposed for achieving these goals in a timely fashion as the median time from onset of hemorrhagic shock and death is 2 h.
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Affiliation(s)
- Rana K Latif
- Department of Anesthesiology and Perioperative Medicine, University of Louisville School of Medicine, University of Louisville Hospital, 530 S. Jackson St., Louisville, KY, 40202, USA.
- Paris Simulation Center, Office of Medical Education, University of Louisville School of Medicine, Louisville, KY, USA.
- Outcomes Research Consortium, Cleveland, OH, USA.
| | - Sean P Clifford
- Department of Anesthesiology and Perioperative Medicine, University of Louisville School of Medicine, University of Louisville Hospital, 530 S. Jackson St., Louisville, KY, 40202, USA
| | - Jeffery A Baker
- Department of Emergency Medicine, University of Louisville School of Medicine, Louisville, KY, USA
| | - Rainer Lenhardt
- Department of Anesthesiology and Perioperative Medicine, University of Louisville School of Medicine, University of Louisville Hospital, 530 S. Jackson St., Louisville, KY, 40202, USA
| | - Mohammad Z Haq
- Department of Anesthesiology and Perioperative Medicine, University of Louisville School of Medicine, University of Louisville Hospital, 530 S. Jackson St., Louisville, KY, 40202, USA
| | - Jiapeng Huang
- Department of Anesthesiology and Perioperative Medicine, University of Louisville School of Medicine, University of Louisville Hospital, 530 S. Jackson St., Louisville, KY, 40202, USA
- Department of Cardiovascular & Thoracic Surgery, Cardiovascular Innovation Institute, University of Louisville, Louisville, KY, USA
- The Center for Integrative Environmental Health Sciences, University of Louisville, Louisville, KY, USA
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY, USA
- Division of Infectious Diseases, Department of Medicine, Center of Excellence for Research in Infectious Diseases (CERID), University of Louisville, Louisville, KY, USA
| | - Ian Farah
- Department of Anesthesiology and Perioperative Medicine, University of Louisville School of Medicine, University of Louisville Hospital, 530 S. Jackson St., Louisville, KY, 40202, USA
| | - Jerrad R Businger
- Department of Anesthesiology and Perioperative Medicine, University of Louisville School of Medicine, University of Louisville Hospital, 530 S. Jackson St., Louisville, KY, 40202, USA
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Dandamudi A, Akbar H, Cancelas J, Zheng Y. Rho GTPase Signaling in Platelet Regulation and Implication for Antiplatelet Therapies. Int J Mol Sci 2023; 24:ijms24032519. [PMID: 36768837 PMCID: PMC9917354 DOI: 10.3390/ijms24032519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/16/2023] [Accepted: 01/21/2023] [Indexed: 01/31/2023] Open
Abstract
Platelets play a vital role in regulating hemostasis and thrombosis. Rho GTPases are well known as molecular switches that control various cellular functions via a balanced GTP-binding/GTP-hydrolysis cycle and signaling cascade through downstream effectors. In platelets, Rho GTPases function as critical regulators by mediating signal transduction that drives platelet activation and aggregation. Mostly by gene targeting and pharmacological inhibition approaches, Rho GTPase family members RhoA, Rac1, and Cdc42 have been shown to be indispensable in regulating the actin cytoskeleton dynamics in platelets, affecting platelet shape change, spreading, secretion, and aggregation, leading to thrombus formation. Additionally, studies of Rho GTPase function using platelets as a non-transformed model due to their anucleated nature have revealed valuable information on cell signaling principles. This review provides an updated summary of recent advances in Rho GTPase signaling in platelet regulation. We also highlight pharmacological approaches that effectively inhibited platelet activation to explore their possible development into future antiplatelet therapies.
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Affiliation(s)
- Akhila Dandamudi
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children’s Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, USA
- Department of Pathology, University of Cincinnati Graduate School, Cincinnati, OH 45267, USA
| | - Huzoor Akbar
- Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH 45701, USA
| | - Jose Cancelas
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children’s Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, USA
- Hoxworth Blood Center, College of Medicine, University of Cincinnati, Cincinnati, OH 45229, USA
| | - Yi Zheng
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children’s Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, USA
- Department of Pathology, University of Cincinnati Graduate School, Cincinnati, OH 45267, USA
- Correspondence: ; Tel.: +1-513-636-0595
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Matthay ZA, Fields AT, Kornblith LZ. "Importance of catecholamine signaling in the development of platelet exhaustion after traumatic injury": Reply. J Thromb Haemost 2022; 20:2717-2718. [PMID: 36271462 PMCID: PMC11008571 DOI: 10.1111/jth.15869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 08/30/2022] [Indexed: 11/27/2022]
Affiliation(s)
- Zachary A Matthay
- Department of Surgery, Zuckerberg San Francisco General Hospital, University of California, San Francisco, San Francisco, California, USA
| | - Alexander T Fields
- Department of Surgery, Zuckerberg San Francisco General Hospital, University of California, San Francisco, San Francisco, California, USA
| | - Lucy Z Kornblith
- Department of Surgery, Zuckerberg San Francisco General Hospital, University of California, San Francisco, San Francisco, California, USA
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Matthay ZA, Fields AT, Nunez-Garcia B, Park JJ, Jones C, Leligdowicz A, Hendrickson CM, Callcut RA, Matthay MA, Kornblith LZ. Importance of catecholamine signaling in the development of platelet exhaustion after traumatic injury. J Thromb Haemost 2022; 20:2109-2118. [PMID: 35592998 PMCID: PMC10450647 DOI: 10.1111/jth.15763] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 04/11/2022] [Accepted: 05/09/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Impaired ex vivo platelet aggregation is common in trauma patients. The mechanisms driving these impairments remain incompletely understood, but functional platelet exhaustion due to excessive in vivo activation is implicated. Given platelet adrenoreceptors and known catecholamine surges after injury, impaired ex vivo platelet aggregation in trauma patients may be linked to catecholamine-induced functional platelet exhaustion. OBJECTIVE To determine the relationship of catecholamines with platelet-dependent hemostasis after injury and to model catecholamine-induced functional platelet exhaustion in healthy donor platelets. PATIENTS/METHODS Whole blood was collected from 67 trauma patients as part of a prospective cohort study. Platelet aggregometry and rotational thromboelastometry were performed, and plasma epinephrine (EPI) and norepinephrine (NE) concentrations were measured. The effect of catecholamines on healthy donor platelets was examined in a microfluidic model, with platelet aggregometry, and by flow cytometry examining surface markers of platelet activation. RESULTS In trauma patients, EPI and NE were associated with impaired platelet aggregation (both p < 0.05), and EPI was additionally associated with decreased viscoelastic clot strength, increased fibrinolysis, and mortality (all p < 0.05). In healthy donors, short duration incubation with EPI enhanced platelet aggregation, platelet adhesion under flow, and increased glycoprotein IIb/IIIa activation, while weaker effects were observed with NE. Compared with short incubation, longer incubation with EPI resulted in decreased platelet adhesion, platelet aggregation, and surface expression of glycoprotein IIb/IIIa. CONCLUSIONS These findings suggest sympathoadrenal activation in trauma patients contributes to impaired ex vivo platelet aggregation, which mechanistically may be explained by a functionally exhausted platelet phenotype under prolonged exposure to high plasma catecholamine levels.
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Affiliation(s)
- Zachary A. Matthay
- Department of Surgery, Zuckerberg San Francisco General Hospital and the University of California, San Francisco, San Francisco, California, USA
| | - Alexander T. Fields
- Department of Surgery, Zuckerberg San Francisco General Hospital and the University of California, San Francisco, San Francisco, California, USA
| | - Brenda Nunez-Garcia
- Department of Surgery, Zuckerberg San Francisco General Hospital and the University of California, San Francisco, San Francisco, California, USA
| | - John J. Park
- Department of Surgery, Zuckerberg San Francisco General Hospital and the University of California, San Francisco, San Francisco, California, USA
| | - Chayse Jones
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Aleksandra Leligdowicz
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Carolyn M. Hendrickson
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Rachael A. Callcut
- Department of Surgery, University of California, Davis, Sacramento, California, USA
| | - Michael A. Matthay
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Lucy Z. Kornblith
- Department of Surgery, Zuckerberg San Francisco General Hospital and the University of California, San Francisco, San Francisco, California, USA
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10
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Barry M, Pati S. Targeting repair of the vascular endothelium and glycocalyx after traumatic injury with plasma and platelet resuscitation. Matrix Biol Plus 2022; 14:100107. [PMID: 35392184 PMCID: PMC8981767 DOI: 10.1016/j.mbplus.2022.100107] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 02/10/2022] [Accepted: 03/10/2022] [Indexed: 02/06/2023] Open
Abstract
Endothelial glycocalyx shedding is a key instigator of the endotheliopathy of trauma. Plasma and platelet transfusions preserve vascular integrity in pre-clinical models. However, platelets may be less effective than plasma in preserving the glycocalyx.
Severely injured patients with hemorrhagic shock can develop endothelial dysfunction, systemic inflammation, and coagulation disturbances collectively known as the endotheliopathy of trauma (EOT). Shedding of the endothelial glycocalyx occurs early after injury, contributes to breakdown of the vascular barrier, and plays a critical role in the pathogenesis of multiple organ dysfunction, leading to poor outcomes in trauma patients. In this review we discuss (i) the pathophysiology of endothelial glycocalyx and vascular barrier breakdown following hemorrhagic shock and trauma, and (ii) the role of plasma and platelet transfusion in maintaining the glycocalyx and vascular endothelial integrity.
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Affiliation(s)
- Mark Barry
- University of California, San Francisco, Department of Surgery. 513 Parnassus Ave., San Francisco, CA 94143, United States
- Corresponding author.
| | - Shibani Pati
- University of California, San Francisco, Department of Surgery. 513 Parnassus Ave., San Francisco, CA 94143, United States
- University of California, San Francisco, Department of Laboratory Medicine. 513 Parnassus Ave., San Francisco, CA 94143, United States
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Ballermann BJ, Nyström J, Haraldsson B. The Glomerular Endothelium Restricts Albumin Filtration. Front Med (Lausanne) 2021; 8:766689. [PMID: 34912827 PMCID: PMC8667033 DOI: 10.3389/fmed.2021.766689] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 11/05/2021] [Indexed: 12/29/2022] Open
Abstract
Inflammatory activation and/or dysfunction of the glomerular endothelium triggers proteinuria in many systemic and localized vascular disorders. Among them are the thrombotic microangiopathies, many forms of glomerulonephritis, and acute inflammatory episodes like sepsis and COVID-19 illness. Another example is the chronic endothelial dysfunction that develops in cardiovascular disease and in metabolic disorders like diabetes. While the glomerular endothelium is a porous sieve that filters prodigious amounts of water and small solutes, it also bars the bulk of albumin and large plasma proteins from passing into the glomerular filtrate. This endothelial barrier function is ascribed predominantly to the endothelial glycocalyx with its endothelial surface layer, that together form a relatively thick, mucinous coat composed of glycosaminoglycans, proteoglycans, glycolipids, sialomucins and other glycoproteins, as well as secreted and circulating proteins. The glycocalyx/endothelial surface layer not only covers the glomerular endothelium; it extends into the endothelial fenestrae. Some glycocalyx components span or are attached to the apical endothelial cell plasma membrane and form the formal glycocalyx. Other components, including small proteoglycans and circulating proteins like albumin and orosomucoid, form the endothelial surface layer and are bound to the glycocalyx due to weak intermolecular interactions. Indeed, bound plasma albumin is a major constituent of the endothelial surface layer and contributes to its barrier function. A role for glomerular endothelial cells in the barrier of the glomerular capillary wall to protein filtration has been demonstrated by many elegant studies. However, it can only be fully understood in the context of other components, including the glomerular basement membrane, the podocytes and reabsorption of proteins by tubule epithelial cells. Discovery of the precise mechanisms that lead to glycocalyx/endothelial surface layer disruption within glomerular capillaries will hopefully lead to pharmacological interventions that specifically target this important structure.
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Affiliation(s)
| | - Jenny Nyström
- Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
| | - Börje Haraldsson
- Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
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Richards JE, Samet RE, Grissom TE. Scratching the Surface: Endothelial Damage in Traumatic Hemorrhagic Shock. Adv Anesth 2021; 39:35-51. [PMID: 34715980 DOI: 10.1016/j.aan.2021.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Justin E Richards
- Department of Anesthesiology, University of Maryland School of Medicine, R Adams Cowley Shock Trauma Center, 22 S. Greene Street, Suite T1R77, Baltimore, MD 21201, USA
| | - Ron E Samet
- Department of Anesthesiology, University of Maryland School of Medicine, R Adams Cowley Shock Trauma Center, 22 S. Greene Street, Suite T1R77, Baltimore, MD 21201, USA
| | - Thomas E Grissom
- Department of Anesthesiology, University of Maryland School of Medicine, R Adams Cowley Shock Trauma Center, 22 S. Greene Street, Suite T1R77, Baltimore, MD 21201, USA.
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Inflammatory Mediators of Platelet Activation: Focus on Atherosclerosis and COVID-19. Int J Mol Sci 2021; 22:ijms222011170. [PMID: 34681830 PMCID: PMC8539848 DOI: 10.3390/ijms222011170] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 10/09/2021] [Accepted: 10/15/2021] [Indexed: 12/16/2022] Open
Abstract
Background: Atherosclerotic cardiovascular diseases are characterized by a dysregulated inflammatory and thrombotic state, leading to devastating complications with increased morbidity and mortality rates. Summary: In this review article, we present the available evidence regarding the impact of inflammation on platelet activation in atherosclerosis. Key messages: In the context of a dysfunctional vascular endothelium, structural alterations by means of endothelial glycocalyx thinning or functional modifications through impaired NO bioavailability and increased levels of von Willebrand factor result in platelet activation. Moreover, neutrophil-derived mediators, as well as neutrophil extracellular traps formation, have been implicated in the process of platelet activation and platelet-leukocyte aggregation. The role of pro-inflammatory cytokines is also critical since their receptors are also situated in platelets while TNF-α has also been found to induce inflammatory, metabolic, and bone marrow changes. Additionally, important progress has been made towards novel concepts of the interaction between inflammation and platelet activation, such as the toll-like receptors, myeloperoxidase, and platelet factor-4. The accumulating evidence is especially important in the era of the coronavirus disease-19 pandemic, characterized by an excessive inflammatory burden leading to thrombotic complications, partially mediated by platelet activation. Lastly, recent advances in anti-inflammatory therapies point towards an anti-thrombotic effect secondary to diminished platelet activation.
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Qi F, Zhou H, Gu P, Tang ZH, Zhu BF, Chen JR, Zhang JS, Li F. Endothelial glycocalyx degradation is associated with early organ impairment in polytrauma patients. BMC Emerg Med 2021; 21:52. [PMID: 33879092 PMCID: PMC8056622 DOI: 10.1186/s12873-021-00446-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 04/08/2021] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Endothelial glycocalyx (EG) abnormal degradation were widely found in critical illness. However, data of EG degradation in multiple traumas is limited. We performed a study to assess the EG degradation and the correlation between the degradation and organ functions in polytrauma patients. METHODS A prospective observational study was conducted to enroll health participants (control group) and polytrauma patients (trauma group) at a University affiliated hospital between Feb 2020 and Oct 2020. Syndecan1 (SDC1) and heparin sulfate (HS) were detected in serum sample of both groups. In trauma group, injury severity scores (ISS) and sequential organ failure assessments (SOFA) were calculated. Occurrences of acute kidney injury (AKI), trauma-induced coagulopathy (TIC) within 48 h and 28-day all-cause mortality in trauma group were recorded. Serum SDC1 and HS levels were compared between two groups. Correlations between SDC1/HS and the indicators of organ systems in the trauma group were analyzed. ROC analyses were performed to assess the predictive value of SDC1 and HS for AKI, TIC within 48 h, and 28-day mortality in trauma group. RESULTS There were 45 polytrauma patients and 15 healthy participants were collected, totally. SDC1 and HS were significantly higher in trauma group than in control group (69.39 [54.18-130.80] vs. 24.15 [13.89-32.36], 38.92 [30.47-67.96] vs. 15.55 [11.89-23.24], P < 0.001, respectively). Trauma group was divided into high degradation group and low degradation group according to SDC1 median. High degradation group had more severe ISS, SOFA scores, worse organ functions (respiratory, kidney, coagulation and metabolic system), and higher incidence of hypothermia, acidosis and shock. The area under the receiver operator characteristic curves (AUC) of SDC1 to predict AKI, TIC occurrence within 48 h and 28-day mortality were 0.838 (95%CI: 0.720-0.957), 0.700 (95%CI: 0.514-0.885) and 0.764 (95%CI: 0.543-0.984), respectively. CONCLUSIONS EG degradation was elevated significantly in polytrauma patients, and the degradation was correlated with impaired respiratory, kidney, coagulation and metabolic systems in early stage. Serum SDC1 is a valuable predictive indicator of early onset of AKI, TIC, and 28-day mortality in polytrauma patients.
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Affiliation(s)
- Feng Qi
- Emergency Intensive Care Unit, The Second Affiliated Hospital of Nantong University, Nantong First People's Hospital, 6 Haier Xiang North Road, Nantong, 226001, Jiangsu, China
| | - Hao Zhou
- Emergency Intensive Care Unit, The Second Affiliated Hospital of Nantong University, Nantong First People's Hospital, 6 Haier Xiang North Road, Nantong, 226001, Jiangsu, China
| | - Peng Gu
- Emergency Intensive Care Unit, The Second Affiliated Hospital of Nantong University, Nantong First People's Hospital, 6 Haier Xiang North Road, Nantong, 226001, Jiangsu, China
| | - Zhi-He Tang
- Emergency Intensive Care Unit, The Second Affiliated Hospital of Nantong University, Nantong First People's Hospital, 6 Haier Xiang North Road, Nantong, 226001, Jiangsu, China
| | - Bao-Feng Zhu
- Emergency Intensive Care Unit, The Second Affiliated Hospital of Nantong University, Nantong First People's Hospital, 6 Haier Xiang North Road, Nantong, 226001, Jiangsu, China
| | - Jian-Rong Chen
- Emergency Intensive Care Unit, The Second Affiliated Hospital of Nantong University, Nantong First People's Hospital, 6 Haier Xiang North Road, Nantong, 226001, Jiangsu, China
| | - Jin-Song Zhang
- Department of Emergency Medicine, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, Jiangsu, China
| | - Feng Li
- Emergency Intensive Care Unit, The Second Affiliated Hospital of Nantong University, Nantong First People's Hospital, 6 Haier Xiang North Road, Nantong, 226001, Jiangsu, China.
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