1
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Ander SE, Parks MG, Davenport BJ, Li FS, Bosco-Lauth A, Carpentier KS, Sun C, Lucas CJ, Klimstra WB, Ebel GD, Morrison TE. Phagocyte-expressed glycosaminoglycans promote capture of alphaviruses from the blood circulation in a host species-specific manner. PNAS Nexus 2024; 3:pgae119. [PMID: 38560529 PMCID: PMC10978064 DOI: 10.1093/pnasnexus/pgae119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 03/08/2024] [Indexed: 04/04/2024]
Abstract
The magnitude and duration of vertebrate viremia are critical determinants of arbovirus transmission, geographic spread, and disease severity-yet, mechanisms determining arbovirus viremia levels are poorly defined. Previous studies have drawn associations between in vitro virion-glycosaminoglycan (GAG) interactions and in vivo clearance kinetics of virions from blood circulation. From these observations, it is commonly hypothesized that GAG-binding virions are rapidly removed from circulation due to ubiquitous expression of GAGs by vascular endothelial cells, thereby limiting viremia. Using an in vivo model for viremia, we compared the vascular clearance of low and enhanced GAG-binding viral variants of chikungunya, eastern- (EEEV), and Venezuelan- (VEEV) equine encephalitis viruses. We find GAG-binding virions are more quickly removed from circulation than their non-GAG-binding variant; however individual clearance kinetics vary between GAG-binding viruses, from swift (VEEV) to slow removal from circulation (EEEV). Remarkably, we find phagocytes are required for efficient vascular clearance of some enhanced GAG-binding virions. Moreover, transient depletion of vascular heparan sulfate impedes vascular clearance of only some GAG-binding viral variants and in a phagocyte-dependent manner, implying phagocytes can mediate vascular GAG-virion interactions. Finally, in direct contrast to mice, we find enhanced GAG-binding EEEV is resistant to vascular clearance in avian hosts, suggesting the existence of species-specificity in virion-GAG interactions. In summary, these data support a role for GAG-mediated clearance of some viral particles from the blood circulation, illuminate the potential of blood-contacting phagocytes as a site for GAG-virion binding, and suggest a role for species-specific GAG structures in arbovirus ecology.
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Affiliation(s)
- Stephanie E Ander
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - M Guston Parks
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Bennett J Davenport
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Frances S Li
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Angela Bosco-Lauth
- Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, CO 80523, USA
| | - Kathryn S Carpentier
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Chengqun Sun
- Center for Vaccine Research, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Cormac J Lucas
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - William B Klimstra
- Center for Vaccine Research, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Gregory D Ebel
- Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, CO 80523, USA
| | - Thomas E Morrison
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045, USA
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2
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Zhang G, Yang J, Xing H, Yin H, Gu G. Predicting Endothelium-Dependent Diastolic Function (FMD) and Its Correlation with the Degree of Coronary Artery Disease (CAD) and Plaque Vulnerability for Cardiovascular Events. Int J Gen Med 2024; 17:1117-1125. [PMID: 38532846 PMCID: PMC10964785 DOI: 10.2147/ijgm.s435417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 02/21/2024] [Indexed: 03/28/2024] Open
Abstract
Objective This study aims to investigate the correlation between vascular endothelium-dependent diastolic function (FMD) and the degree of coronary artery disease (CAD), plaque vulnerability, and its predictive value for cardiovascular events. Methods Initially, patients (n=100) who were admitted from January 2020 to January 2021 and intended to undergo percutaneous coronary intervention (PCI) were selected. Further, FMD in all patients was determined before the procedure and divided into a high-FMD group (≥4.2%) and a low-FMD group (<4.2%). Further, the data of two groups, including general information, coronary artery lesions, and plaque fibrous cap, were compared. Finally, the relationship between FMD and the degree of coronary artery lesions and plaque vulnerability was analyzed. Results No significant differences were observed concerning general information, number of coronary arteries-associated branches, lesion type, involvement of the left main stem (LM), the proportion of chronic occluded lesions (CTO), and lipid pool angle between the low-FMD group and the high-FMD group (P > 0.05). Nevertheless, the degree of stenosis of the lesions in the low-FMD group was significantly higher than in the high-FMD group (P < 0.05). In addition, the thickness of the fibrous cap was considerably lower than that in the high-FMD group (P < 0.05). Moreover, the incidence rate of TCFA was significantly higher than the high-FMD group (P < 0.05). The correlation analysis showed that FMD was significantly negatively correlated with the degree of coronary artery lesion stenosis and TCFA (P < 0.05) and positively correlated with the fibrous cap thickness (P < 0.05). Conclusion Overall, a negative correlation between FMD and the degree of coronary stenosis, plaque vulnerability, and a high predictive value for post-PCI cardiovascular events suggested that FMD could be a critical diagnostic marker for CAD.
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Affiliation(s)
- Guangming Zhang
- Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050004, People’s Republic of China
| | - Jing Yang
- Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050004, People’s Republic of China
| | - Hanghang Xing
- Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050004, People’s Republic of China
| | - Hongning Yin
- Department of Heart ultrasound, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050004, People's Republic of China
| | - Guoqing Gu
- Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050004, People’s Republic of China
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3
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Oshima K, Siddiqui N, Orfila JE, Carter D, Laing J, Han X, Zakharevich I, Iozzo RV, Ghasabyan A, Moore H, Zhang F, Linhardt RJ, Moore EE, Quillinan N, Schmidt EP, Herson PS, Hippensteel JA. A role for decorin in improving motor deficits after traumatic brain injury. Matrix Biol 2024; 125:88-99. [PMID: 38135163 PMCID: PMC10922985 DOI: 10.1016/j.matbio.2023.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 12/24/2023]
Abstract
Traumatic brain injury (TBI) is the leading cause of death and disability due to injury worldwide. Extracellular matrix (ECM) remodeling is known to significantly contribute to TBI pathophysiology. Glycosaminoglycans, which are long-chain, variably sulfated polysaccharides abundant within the ECM, have previously been shown to be substantially altered after TBI. In this study, we sought to delineate the dynamics of glycosaminoglycan alterations after TBI and discover the precise biologic processes responsible for observed glycosaminoglycan changes after injury. We performed state-of-the art mass spectrometry on brain tissues isolated from mice after TBI or craniotomy-alone. We observed dynamic changes in glycosaminoglycans at Day 1 and 7 post-TBI, with heparan sulfate, chondroitin sulfate, and hyaluronan remaining significantly increased after a week vis-à-vis craniotomy-alone tissues. We did not observe appreciable changes in circulating glycosaminoglycans in mice after experimental TBI compared to craniotomy-alone nor in patients with TBI and severe polytrauma compared to control patients with mild injuries, suggesting increases in injury site glycosaminoglycans are driven by local synthesis. We subsequently performed an unbiased whole genome transcriptomics analysis on mouse brain tissues 7 days post-TBI and discovered a significant induction of hyaluronan synthase 2, glypican-3, and decorin. The functional role of decorin after injury was further examined through multimodal behavioral testing comparing wild-type and Dcn-/- mice. We discovered that genetic ablation of Dcn led to an overall negative effect of TBI on function, exacerbating motor impairments after TBI. Collectively, our results provide a spatiotemporal characterization of post-TBI glycosaminoglycan alterations in the brain ECM and support an important adaptive role for decorin upregulation after TBI.
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Affiliation(s)
- Kaori Oshima
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Noah Siddiqui
- Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - James E Orfila
- Department of Neurosurgery, The Ohio State University, College of Medicine, Columbus, Ohio, USA
| | - Danelle Carter
- Department of Neurology, University of Colorado, Anschutz Medical Campus, Aurora, Colorado, USA
| | - Justin Laing
- Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Xiaorui Han
- Departments of Chemistry and Chemical Biology, Chemical and Biological Engineering, and Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA; Curtin Medical School, Curtin Health Innovation Research Institute, Curtin University, Perth, Western Australia, Australia
| | - Igor Zakharevich
- Department of Biochemistry, University of Colorado, Anschutz Medical Campus, Aurora, Colorado, USA
| | - Renato V Iozzo
- Department of Pathology and Genomic Medicine and the Translational Cellular Oncology Program, Sidney Kimmel Cancer Center, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Arsen Ghasabyan
- Department of Surgery, Ernest E. Moore Shock Trauma Center at Denver Health, University of Colorado, Denver, Colorado, USA
| | - Hunter Moore
- Department of Surgery, Ernest E. Moore Shock Trauma Center at Denver Health, University of Colorado, Denver, Colorado, USA
| | - Fuming Zhang
- Departments of Chemistry and Chemical Biology, Chemical and Biological Engineering, and Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA
| | - Robert J Linhardt
- Departments of Chemistry and Chemical Biology, Chemical and Biological Engineering, and Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA
| | - Ernest E Moore
- Department of Surgery, Ernest E. Moore Shock Trauma Center at Denver Health, University of Colorado, Denver, Colorado, USA
| | - Nidia Quillinan
- Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Eric P Schmidt
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Paco S Herson
- Department of Neurosurgery, The Ohio State University, College of Medicine, Columbus, Ohio, USA
| | - Joseph A Hippensteel
- Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA.
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4
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Sun L, Wang L, Ye KX, Wang S, Zhang R, Juan Z, Feng L, Min S. Endothelial Glycocalyx in Aging and Age-related Diseases. Aging Dis 2023; 14:1606-1617. [PMID: 37196119 PMCID: PMC10529737 DOI: 10.14336/ad.2023.0131] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 01/31/2023] [Indexed: 05/19/2023] Open
Abstract
The worldwide population is aging exponentially, creating burdens to patients, their families and society. Increasing age is associated with higher risk of a wide range of chronic diseases, and aging of the vascular system is closely linked to the development of many age-related diseases. Endothelial glycocalyx is a layer of proteoglycan polymers on the surface of the inner lumen of blood vessels. It plays an important role in maintaining vascular homeostasis and protecting various organ functions. Endothelial glycocalyx loss happens through the aging process and repairing the endothelial glycocalyx may alleviate the symptoms of age-related diseases. Given the important role of the glycocalyx and its regenerative properties, it is posited that the endothelial glycocalyx may be a potential therapeutic target for aging and age-related diseases and repairing endothelial glycocalyx could play a role in the promotion of healthy aging and longevity. Here, we review the composition, function, shedding, and manifestation of the endothelial glycocalyx in aging and age-related diseases, as well as regeneration of endothelial glycocalyx.
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Affiliation(s)
- Lina Sun
- School of Anesthesiology, Weifang Medical University, Weifang, China.
- Department of Anesthesiology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Lingyan Wang
- School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Kaisy Xinhong Ye
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
| | - Shoushi Wang
- School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Rui Zhang
- School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Zhaodong Juan
- School of Anesthesiology, Weifang Medical University, Weifang, China.
| | - Lei Feng
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
| | - Su Min
- Department of Anesthesiology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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5
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Ander SE, Parks MG, Davenport BJ, Li FS, Bosco-Lauth A, Carpentier KS, Sun C, Lucas CJ, Klimstra WB, Ebel GD, Morrison TE. Phagocyte-expressed glycosaminoglycans promote capture of alphaviruses from the blood circulation in a host species-specific manner. bioRxiv 2023:2023.08.09.552690. [PMID: 37609165 PMCID: PMC10441409 DOI: 10.1101/2023.08.09.552690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
The magnitude and duration of vertebrate viremia are critical determinants of arbovirus transmission, geographic spread, and disease severity-yet, mechanisms determining arbovirus viremia levels are poorly defined. Previous studies have drawn associations between in vitro virion-glycosaminoglycan (GAG) interactions and in vivo clearance kinetics of virions from blood circulation. From these observations, it is commonly hypothesized that GAG-binding virions are rapidly removed from circulation due to ubiquitous expression of GAGs by vascular endothelial cells, thereby limiting viremia. Using an in vivo model for viremia, we compared the vascular clearance of low and enhanced GAG-binding viral variants of chikungunya (CHIKV), eastern-(EEEV), and Venezuelan-(VEEV) equine encephalitis viruses. We find GAG-binding virions are more quickly removed from circulation than their non-GAG-binding variant; however individual clearance kinetics vary between GAG-binding viruses, from swift (VEEV) to slow removal from circulation (EEEV). Remarkably, we find phagocytes are required for efficient vascular clearance of some enhanced GAG-binding virions. Moreover, transient depletion of vascular heparan sulfate (HS) impedes vascular clearance of only some GAG-binding viral variants and in a phagocyte-dependent manner, implying phagocytes can mediate vascular GAG-virion interactions. Finally, in direct contrast to mice, we find enhanced GAG-binding EEEV is resistant to vascular clearance in avian hosts, suggesting the existence of species-specificity in virion-GAG interactions. In summary, these data support a role for GAG-mediated clearance of some viral particles from the blood circulation, illuminate the potential of blood-contacting phagocytes as a site for GAG-virion binding, and suggest a role for species-specific GAG structures in arbovirus ecology. Significance Statement Previously, evidence of arbovirus-GAG interactions in vivo has been limited to associations between viral residues shown to promote enhanced GAG-binding phenotypes in vitro and in vivo phenotypes of viral dissemination and pathogenesis. By directly manipulating host GAG expression, we identified virion-GAG interactions in vivo and discovered a role for phagocyte-expressed GAGs in viral vascular clearance. Moreover, we observe species-specific differences in viral vascular clearance of enhanced GAG-binding virions between murine and avian hosts. These data suggest species-specific variation in GAG structure is a mechanism to distinguish amplifying from dead-end hosts for arbovirus transmission.
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6
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van der Valk WH, van Beelen ESA, Steinhart MR, Nist-Lund C, Osorio D, de Groot JCMJ, Sun L, van Benthem PPG, Koehler KR, Locher H. A single-cell level comparison of human inner ear organoids with the human cochlea and vestibular organs. Cell Rep 2023; 42:112623. [PMID: 37289589 PMCID: PMC10592453 DOI: 10.1016/j.celrep.2023.112623] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 02/21/2023] [Accepted: 05/23/2023] [Indexed: 06/10/2023] Open
Abstract
Inner ear disorders are among the most common congenital abnormalities; however, current tissue culture models lack the cell type diversity to study these disorders and normal otic development. Here, we demonstrate the robustness of human pluripotent stem cell-derived inner ear organoids (IEOs) and evaluate cell type heterogeneity by single-cell transcriptomics. To validate our findings, we construct a single-cell atlas of human fetal and adult inner ear tissue. Our study identifies various cell types in the IEOs including periotic mesenchyme, type I and type II vestibular hair cells, and developing vestibular and cochlear epithelium. Many genes linked to congenital inner ear dysfunction are confirmed to be expressed in these cell types. Additional cell-cell communication analysis within IEOs and fetal tissue highlights the role of endothelial cells on the developing sensory epithelium. These findings provide insights into this organoid model and its potential applications in studying inner ear development and disorders.
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Affiliation(s)
- Wouter H van der Valk
- OtoBiology Leiden, Department of Otorhinolaryngology and Head & Neck Surgery, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands; The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, 2333 ZA Leiden, the Netherlands; Department of Otolaryngology, Boston Children's Hospital, Boston, MA 02115, USA; F.M. Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA 02115, USA; Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA 02115, USA.
| | - Edward S A van Beelen
- OtoBiology Leiden, Department of Otorhinolaryngology and Head & Neck Surgery, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands
| | - Matthew R Steinhart
- Department of Otolaryngology, Boston Children's Hospital, Boston, MA 02115, USA; F.M. Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA 02115, USA; Department of Otolaryngology-Head and Neck Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Medical Neuroscience Graduate Program, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Carl Nist-Lund
- Department of Otolaryngology, Boston Children's Hospital, Boston, MA 02115, USA; F.M. Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA 02115, USA; Program in Neuroscience, Harvard Medical School, Boston, MA 02115, USA
| | - Daniel Osorio
- Research Computing, Department of Information Technology, Boston Children's Hospital, Boston, MA 02115, USA
| | - John C M J de Groot
- OtoBiology Leiden, Department of Otorhinolaryngology and Head & Neck Surgery, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands
| | - Liang Sun
- Research Computing, Department of Information Technology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Peter Paul G van Benthem
- OtoBiology Leiden, Department of Otorhinolaryngology and Head & Neck Surgery, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands
| | - Karl R Koehler
- Department of Otolaryngology, Boston Children's Hospital, Boston, MA 02115, USA; F.M. Kirby Neurobiology Center, Boston Children's Hospital, Boston, MA 02115, USA; Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA 02115, USA; Department of Plastic and Oral Surgery, Boston Children's Hospital, Boston, MA 02115, USA.
| | - Heiko Locher
- OtoBiology Leiden, Department of Otorhinolaryngology and Head & Neck Surgery, Leiden University Medical Center, 2333 ZA Leiden, the Netherlands; The Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), Leiden University Medical Center, 2333 ZA Leiden, the Netherlands.
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7
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Sembajwe LF, Ssekandi AM, Namaganda A, Muwonge H, Kasolo JN, Kalyesubula R, Nakimuli A, Naome M, Patel KP, Masenga SK, Kirabo A. Glycocalyx-Sodium Interaction in Vascular Endothelium. Nutrients 2023; 15:2873. [PMID: 37447199 DOI: 10.3390/nu15132873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 06/19/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023] Open
Abstract
The glycocalyx generally covers almost all cellular surfaces, where it participates in mediating cell-surface interactions with the extracellular matrix as well as with intracellular signaling molecules. The endothelial glycocalyx that covers the luminal surface mediates the interactions of endothelial cells with materials flowing in the circulating blood, including blood cells. Cardiovascular diseases (CVD) remain a major cause of morbidity and mortality around the world. The cardiovascular risk factors start by causing endothelial cell dysfunction associated with destruction or irregular maintenance of the glycocalyx, which may culminate into a full-blown cardiovascular disease. The endothelial glycocalyx plays a crucial role in shielding the cell from excessive exposure and absorption of excessive salt, which can potentially cause damage to the endothelial cells and underlying tissues of the blood vessels. So, in this mini review/commentary, we delineate and provide a concise summary of the various components of the glycocalyx, their interaction with salt, and subsequent involvement in the cardiovascular disease process. We also highlight the major components of the glycocalyx that could be used as disease biomarkers or as drug targets in the management of cardiovascular diseases.
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Affiliation(s)
- Lawrence Fred Sembajwe
- Department of Medical Physiology, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda
| | - Abdul M Ssekandi
- Department of Medical Physiology, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda
| | - Agnes Namaganda
- Department of Medical Physiology, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda
| | - Haruna Muwonge
- Department of Medical Physiology, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda
| | - Josephine N Kasolo
- Department of Medical Physiology, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda
| | - Robert Kalyesubula
- Department of Medical Physiology, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda
| | - Annettee Nakimuli
- Department of Obstetrics and Gynecology, School of Medicine, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda
| | - Mwesigwa Naome
- Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Kaushik P Patel
- Department of Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Sepiso K Masenga
- Department of Physiological Sciences, School of Medicine and Health Sciences, Mulungushi University, Kabwe P.O. Box 80415, Zambia
| | - Annet Kirabo
- Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
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8
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Abdullah S, Ghio M, Cotton-Betteridge A, Vinjamuri A, Drury R, Packer J, Aras O, Friedman J, Karim M, Engelhardt D, Kosowski E, Duong K, Shaheen F, McGrew PR, Harris CT, Reily R, Sammarco M, Chandra PK, Pociask D, Kolls J, Katakam PV, Smith A, Taghavi S, Duchesne J, Jackson-Weaver O. Succinate metabolism and membrane reorganization drives the endotheliopathy and coagulopathy of traumatic hemorrhage. Sci Adv 2023; 9:eadf6600. [PMID: 37315138 PMCID: PMC10266735 DOI: 10.1126/sciadv.adf6600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 05/10/2023] [Indexed: 06/16/2023]
Abstract
Acute hemorrhage commonly leads to coagulopathy and organ dysfunction or failure. Recent evidence suggests that damage to the endothelial glycocalyx contributes to these adverse outcomes. The physiological events mediating acute glycocalyx shedding are undefined, however. Here, we show that succinate accumulation within endothelial cells drives glycocalyx degradation through a membrane reorganization-mediated mechanism. We investigated this mechanism in a cultured endothelial cell hypoxia-reoxygenation model, in a rat model of hemorrhage, and in trauma patient plasma samples. We found that succinate metabolism by succinate dehydrogenase mediates glycocalyx damage through lipid oxidation and phospholipase A2-mediated membrane reorganization, promoting the interaction of matrix metalloproteinase 24 (MMP24) and MMP25 with glycocalyx constituents. In a rat hemorrhage model, inhibiting succinate metabolism or membrane reorganization prevented glycocalyx damage and coagulopathy. In patients with trauma, succinate levels were associated with glycocalyx damage and the development of coagulopathy, and the interaction of MMP24 and syndecan-1 was elevated compared to healthy controls.
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Affiliation(s)
- Sarah Abdullah
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - Michael Ghio
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | | | | | - Robert Drury
- Tulane University School of Medicine, New Orleans, LA, USA
| | - Jacob Packer
- Tulane University School of Medicine, New Orleans, LA, USA
| | - Oguz Aras
- Tulane University School of Medicine, New Orleans, LA, USA
| | - Jessica Friedman
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - Mardeen Karim
- Tulane University School of Medicine, New Orleans, LA, USA
| | | | | | - Kelby Duong
- Tulane University School of Medicine, New Orleans, LA, USA
| | - Farhana Shaheen
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - Patrick R. McGrew
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
- University Medical Center, New Orleans, LA, USA
| | - Charles T. Harris
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
- University Medical Center, New Orleans, LA, USA
| | - Robert Reily
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
- University Medical Center, New Orleans, LA, USA
| | - Mimi Sammarco
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - Partha K. Chandra
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, LA, USA
| | - Derek Pociask
- Tulane University School of Medicine, Center for Translational Research in Infection and Inflammation, New Orleans, LA, USA
| | - Jay Kolls
- Tulane University School of Medicine, Center for Translational Research in Infection and Inflammation, New Orleans, LA, USA
| | - Prasad V. Katakam
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, LA, USA
| | - Alison Smith
- Louisiana State University Health Sciences Center, New Orleans, LA, USA
- University Medical Center, New Orleans, LA, USA
| | - Sharven Taghavi
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
- University Medical Center, New Orleans, LA, USA
| | - Juan Duchesne
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
- University Medical Center, New Orleans, LA, USA
| | - Olan Jackson-Weaver
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
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Laboux T, Maanaoui M, Allain F, Boulanger E, Denys A, Gibier JB, Glowacki F, Grolaux G, Grunenwald A, Howsam M, Lancel S, Lebas C, Lopez B, Roumenina L, Provôt F, Gnemmi V, Frimat M. Hemolysis is associated with altered heparan sulfate of the endothelial glycocalyx and with local complement activation in thrombotic microangiopathies. Kidney Int 2023:S0085-2538(23)00327-7. [PMID: 37164260 DOI: 10.1016/j.kint.2023.03.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 03/03/2023] [Accepted: 03/24/2023] [Indexed: 05/12/2023]
Abstract
The complement system plays a key role in the pathophysiology of kidney thrombotic microangiopathies (TMA), as illustrated by atypical hemolytic uremic syndrome. But complement abnormalities are not the only drivers of TMA lesions. Among other potential pathophysiological actors, we hypothesized that alteration of heparan sulfate (HS) in the endothelial glycocalyx could be important. To evaluate this, we analyzed clinical and histological features of kidney biopsies from a monocentric, retrospective cohort of 72 patients with TMA, particularly for HS integrity and markers of local complement activation. The role of heme (a major product of hemolysis) as an HS-degrading agent in vitro, and the impact of altering endothelial cell (ECs) HS on their ability to locally activate complement were studied. Compared with a positive control, glomerular HS staining was lower in 57 (79%) patients with TMA, moderately reduced in 20 (28%), and strongly reduced in 37 (51%) of these 57 cases. Strongly reduced HS density was significantly associated with both hemolysis at the time of biopsy and local complement activation (C3 and/or C5b-9 deposits). Using primary endothelial cells (HUVECs, Glomerular ECs), we observed decreased HS expression after short-term exposure to heme, and that artificial HS degradation by exposure to heparinase was associated with local complement activation. Further, prolonged exposure to heme modulated expression of several key genes of glycocalyx metabolism involved in coagulation regulation (C5-EPI, HS6ST1, HS3ST1). Thus, our study highlights the impact of hemolysis on the integrity of endothelial HS, both in patients and in endothelial cell models. Hence, acute alteration of HS may be a mechanism of heme-induced complement activation.
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Affiliation(s)
- Timothée Laboux
- University Lille, CHU Lille, Nephrology Department, Lille, France; University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE, Lille, France.
| | - Mehdi Maanaoui
- University Lille, CHU Lille, Nephrology Department, Lille, France; University Lille, Inserm, Institut Pasteur de Lille, U1190 - EGID, Lille, France
| | | | - Eric Boulanger
- University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE, Lille, France
| | - Agnès Denys
- University Lille, CNRS, UMR 8576 - UGSF, Lille, France
| | - Jean-Baptiste Gibier
- Univ. Lille, Pathology Department, F-59000, Lille, France; University Lille, Inserm, US1172, Lille, France
| | | | - Gaëlle Grolaux
- University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE, Lille, France
| | - Anne Grunenwald
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Mike Howsam
- University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE, Lille, France
| | - Steve Lancel
- University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE, Lille, France
| | - Céline Lebas
- University Lille, CHU Lille, Nephrology Department, Lille, France
| | | | - Lubka Roumenina
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - François Provôt
- University Lille, CHU Lille, Nephrology Department, Lille, France
| | - Viviane Gnemmi
- Univ. Lille, Pathology Department, F-59000, Lille, France; University Lille, CNRS, Inserm, U9020-UMR-S 1277, Lille, France
| | - Marie Frimat
- University Lille, CHU Lille, Nephrology Department, Lille, France; University Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1167-RID-AGE, Lille, France.
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Vidaurre MDPH, Osborn BK, Lowak KD, McDonald MM, Wang YWW, Pa V, Richter JR, Xu Y, Arnold K, Liu J, Cardenas JC. A 3- O-sulfated heparan sulfate dodecasaccharide (12-mer) suppresses thromboinflammation and attenuates early organ injury following trauma and hemorrhagic shock. Front Immunol 2023; 14:1158457. [PMID: 37122735 PMCID: PMC10140401 DOI: 10.3389/fimmu.2023.1158457] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 03/30/2023] [Indexed: 05/02/2023] Open
Abstract
Introduction Dysregulated inflammation and coagulation are underlying mechanisms driving organ injury after trauma and hemorrhagic shock. Heparan sulfates, cell surface glycosaminoglycans abundantly expressed on the endothelial surface, regulate a variety of cellular processes. Endothelial heparan sulfate containing a rare 3-O-sulfate modification on a glucosamine residue is anticoagulant and anti-inflammatory through high-affinity antithrombin binding and sequestering of circulating damage-associated molecular pattern molecules. Our goal was to evaluate therapeutic potential of a synthetic 3-O-sulfated heparan sulfate dodecasaccharide (12-mer, or dekaparin) to attenuate thromboinflammation and prevent organ injury. Methods Male Sprague-Dawley rats were pre-treated subcutaneously with vehicle (saline) or dekaparin (2 mg/kg) and subjected to a trauma/hemorrhagic shock model through laparotomy, gut distention, and fixed-pressure hemorrhage. Vehicle and dekaparin-treated rats were resuscitated with Lactated Ringer's solution (LR) and compared to vehicle-treated fresh-frozen-plasma-(FFP)-resuscitated rats. Serial blood samples were collected at baseline, after induction of shock, and 3 hours after fluid resuscitation to measure hemodynamic and metabolic shock indicators, inflammatory mediators, and thrombin-antithrombin complex formation. Lungs and kidneys were processed for organ injury scoring and immunohistochemical analysis to quantify presence of neutrophils. Results Induction of trauma and hemorrhagic shock resulted in significant increases in thrombin-antithrombin complex, inflammatory markers, and lung and kidney injury scores. Compared to vehicle, dekaparin treatment did not affect induction, severity, or recovery of shock as indicated by hemodynamics, metabolic indicators of shock (lactate and base excess), or metrics of bleeding, including overall blood loss, resuscitation volume, or hematocrit. While LR-vehicle-resuscitated rodents exhibited increased lung and kidney injury, administration of dekaparin significantly reduced organ injury scores and was similar to organ protection conferred by FFP resuscitation. This was associated with a significant reduction in neutrophil infiltration in lungs and kidneys and reduced lung fibrin deposition among dekaparin-treated rats compared to vehicle. No differences in organ injury, neutrophil infiltrates, or fibrin staining between dekaparin and FFP groups were observed. Finally, dekaparin treatment attenuated induction of thrombin-antithrombin complex and inflammatory mediators in plasma following trauma and hemorrhagic shock. Conclusion Anti-thromboinflammatory properties of a synthetic 3-O-sulfated heparan sulfate 12-mer, dekaparin, could provide therapeutic benefit for mitigating organ injury following major trauma and hemorrhagic shock.
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Affiliation(s)
- Maria del Pilar Huby Vidaurre
- Center for Translational Injury Research, Department of Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Baron K. Osborn
- Center for Translational Injury Research, Department of Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Kaylie D. Lowak
- Center for Translational Injury Research, Department of Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Michelle M. McDonald
- Department of Pathology and Laboratory Medicine, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Yao-Wei W. Wang
- Center for Translational Injury Research, Department of Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Veda Pa
- Center for Translational Injury Research, Department of Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Jillian R. Richter
- Department of Surgery, Division of Trauma and Acute Care Surgery, The University of Alabama at Birmingham, Birmingham, AL, United States
| | - Yongmei Xu
- Eshelman School of Pharmacy, Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Katelyn Arnold
- Eshelman School of Pharmacy, Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Jian Liu
- Eshelman School of Pharmacy, Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Jessica C. Cardenas
- Center for Translational Injury Research, Department of Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX, United States
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Richter JR, Sanderson RD. The glycocalyx: Pathobiology and repair. Matrix Biol Plus 2023; 17:100128. [PMID: 36793504 PMCID: PMC9923180 DOI: 10.1016/j.mbplus.2023.100128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 01/17/2023] [Indexed: 01/22/2023] Open
Affiliation(s)
- Jillian R. Richter
- Department of Surgery, University of Alabama at Birmingham, Birmingham, AL, United States
- Corresponding author.
| | - Ralph D. Sanderson
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, United States
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12
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Abstract
Alphaviruses are enveloped, insect-transmitted, positive-sense RNA viruses that infect humans and other animals and cause a range of clinical manifestations, including arthritis, musculoskeletal disease, meningitis, encephalitis, and death. Over the past four years, aided by CRISPR/Cas9-based genetic screening approaches, intensive research efforts have focused on identifying entry receptors for alphaviruses to better understand the basis for cellular and species tropism. Herein, we review approaches to alphavirus receptor identification and how these were used for discovery. The identification of new receptors advances our understanding of viral pathogenesis, tropism, and evolution and is expected to contribute to the development of novel strategies for prevention and treatment of alphavirus infection.
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Affiliation(s)
| | | | | | | | - Michael S. Diamond
- Department of Medicine
- Department of Pathology and Immunology
- Department of Molecular Microbiology, and
- The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, Missouri, USA
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