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Ye W, Xu S, Liu Y, Ye Z. Role of endothelial glycocalyx in central nervous system diseases and evaluation of the targeted therapeutic strategies for its protection: a review of clinical and experimental data. Rev Neurosci 2024; 0:revneuro-2024-0039. [PMID: 39034663 DOI: 10.1515/revneuro-2024-0039] [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: 03/14/2024] [Accepted: 05/22/2024] [Indexed: 07/23/2024]
Abstract
Central nervous system (CNS) diseases, such as stroke, traumatic brain injury, dementia, and demyelinating diseases, are generally characterized by high morbidity and mortality, which impose a heavy economic burden on patients and their caregivers throughout their lives as well as on public health. The occurrence and development of CNS diseases are closely associated with a series of pathophysiological changes including inflammation, blood-brain barrier disruption, and abnormal coagulation. Endothelial glycocalyx (EG) plays a key role in these changes, making it a novel intervention target for CNS diseases. Herein, we review the current understanding of the role of EG in common CNS diseases, from the perspective of individual pathways/cytokines in pathophysiological and systematic processes. Furthermore, we emphasize the recent developments in therapeutic agents targeted toward protection or restoration of EG. Some of these treatments have yielded unexpected pharmacological results, as previously unknown mechanisms underlying the degradation and destruction of EG has been brought to light. Furthermore, the anti-inflammatory, anticoagulative, and antioxidation effects of EG and its protective role exerted via the blood-brain barrier have been recognized.
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Affiliation(s)
- Weihao Ye
- Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Shang Xu
- Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Ying Liu
- Department of Rehabilitation Medicine, 117742The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Ziming Ye
- Department of Neurology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, China
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Vahldieck C, Löning S, Hamacher C, Fels B, Rudzewski B, Nickel L, Weil J, Nording H, Baron L, Kleingarn M, Karsten CM, Kusche-Vihrog K. Dysregulated complement activation during acute myocardial infarction leads to endothelial glycocalyx degradation and endothelial dysfunction via the C5a:C5a-Receptor1 axis. Front Immunol 2024; 15:1426526. [PMID: 39055717 PMCID: PMC11269135 DOI: 10.3389/fimmu.2024.1426526] [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: 05/01/2024] [Accepted: 06/25/2024] [Indexed: 07/27/2024] Open
Abstract
Introduction Complement-mediated damage to the myocardium during acute myocardial infarction (AMI), particularly the late components of the terminal pathway (C5-convertase and C5b-9), have previously been characterized. Unfortunately, only few studies have reported a direct association between dysregulated complement activation and endothelial function. Hence, little attention has been paid to the role of the anaphylatoxin C5a. The endothelial glycocalyx (eGC) together with the cellular actin cortex provide a vasoprotective barrier against chronic vascular inflammation. Changes in their nanomechanical properties (stiffness and height) are recognized as hallmarks of endothelial dysfunction as they correlate with the bioavailability of vasoactive substances, such as nitric oxide (NO). Here, we determined how the C5a:C5aR1 axis affects the eGC and endothelial function in AMI. Methods Samples of fifty-five patients with ST-elevation myocardial infarction (STEMI) vs. healthy controls were analyzed in this study. eGC components and C5a levels were determined via ELISA; NO levels were quantified chemiluminescence-based. Endothelial cells were stimulated with C5a or patient sera (with/without C5a-receptor1 antagonist "PMX53") and the nanomechanical properties of eGC quantified using the atomic force microscopy (AFM)-based nanoindentation technique. To measure actin cytoskeletal tension regulator activation (RhoA and Rac1) G-LISA assays were applied. Vascular inflammation was examined by quantifying monocyte-endothelium interaction via AFM-based single-cell-force spectroscopy. Results Serum concentrations of eGC components and C5a were significantly increased during STEMI. Serum and solely C5a stimulation decreased eGC height and stiffness, indicating shedding of the eGC. C5a enhanced RhoA activation, resulting in increased cortical stiffness with subsequent reduction in NO concentrations. Monocyte adhesion to the endothelium was enhanced after both C5a and stimulation with STEMI serum. eGC degradation- and RhoA-induced cortical stiffening with subsequent endothelial dysfunction were attenuated after administering PMX53. Conclusion This study demonstrates that dysregulated C5a activation during AMI results in eGC damage with subsequent endothelial dysfunction and reduced NO bioavailability, indicating progressively developing vascular inflammation. This could be prevented by antagonizing C5aR1, highlighting the role of the C5a:C5a-Receptor1 axis in vascular inflammation development and endothelial dysfunction in AMI, offering new therapeutic approaches for future investigations.
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Affiliation(s)
- Carl Vahldieck
- Department of Anesthesiology and Intensive Care Medicine, University Medical Centre Schleswig-Holstein Campus Luebeck, Luebeck, Germany
- Institute of Physiology, University of Luebeck, Luebeck, Germany
- DZHK (German Research Centre for Cardiovascular Research), Partner Site Hamburg/Luebeck/Kiel, Luebeck, Germany
| | - Samuel Löning
- Institute of Physiology, University of Luebeck, Luebeck, Germany
| | | | - Benedikt Fels
- Institute of Physiology, University of Luebeck, Luebeck, Germany
- DZHK (German Research Centre for Cardiovascular Research), Partner Site Hamburg/Luebeck/Kiel, Luebeck, Germany
| | | | - Laura Nickel
- Medizinische Klinik II, Sana Kliniken Luebeck, Luebeck, Germany
| | - Joachim Weil
- Medizinische Klinik II, Sana Kliniken Luebeck, Luebeck, Germany
| | - Henry Nording
- DZHK (German Research Centre for Cardiovascular Research), Partner Site Hamburg/Luebeck/Kiel, Luebeck, Germany
- Cardioimmunology Group, Medical Clinic II, University Heart Center Luebeck, Luebeck, Germany
| | - Lasse Baron
- Cardioimmunology Group, Medical Clinic II, University Heart Center Luebeck, Luebeck, Germany
| | - Marie Kleingarn
- Institute for Systemic Inflammation Research (ISEF), University of Luebeck, Luebeck, Germany
| | | | - Kristina Kusche-Vihrog
- Institute of Physiology, University of Luebeck, Luebeck, Germany
- DZHK (German Research Centre for Cardiovascular Research), Partner Site Hamburg/Luebeck/Kiel, Luebeck, Germany
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3
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Brückner A, Brandtner A, Rieck S, Matthey M, Geisen C, Fels B, Stei M, Kusche-Vihrog K, Fleischmann BK, Wenzel D. Site-specific genetic and functional signatures of aortic endothelial cells at aneurysm predilection sites in healthy and AngII ApoE -/- mice. Angiogenesis 2024:10.1007/s10456-024-09933-9. [PMID: 38965173 DOI: 10.1007/s10456-024-09933-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 06/16/2024] [Indexed: 07/06/2024]
Abstract
Aortic aneurysm is characterized by a pathological dilation at specific predilection sites of the vessel and potentially results in life-threatening vascular rupture. Herein, we established a modified "Häutchen method" for the local isolation of endothelial cells (ECs) from mouse aorta to analyze their spatial heterogeneity and potential role in site-specific disease development. When we compared ECs from aneurysm predilection sites of healthy mice with adjacent control segments we found regulation of genes related to extracellular matrix remodeling, angiogenesis and inflammation, all pathways playing a critical role in aneurysm development. We also detected enhanced cortical stiffness of the endothelium at these sites. Gene expression of ECs from aneurysms of the AngII ApoE-/- model when compared to sham animals mimicked expression patterns from predilection sites of healthy animals. Thus, this work highlights a striking genetic and functional regional heterogeneity in aortic ECs of healthy mice, which defines the location of aortic aneurysm formation in disease.
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Affiliation(s)
- Alexander Brückner
- Life&Brain Center, Medical Faculty, Institute of Physiology I, University of Bonn, Bonn, Germany
| | - Adrian Brandtner
- Life&Brain Center, Medical Faculty, Institute of Physiology I, University of Bonn, Bonn, Germany
| | - Sarah Rieck
- Life&Brain Center, Medical Faculty, Institute of Physiology I, University of Bonn, Bonn, Germany
| | - Michaela Matthey
- Department of Systems Physiology, Medical Faculty, Institute of Physiology, Ruhr University of Bochum, Universitätsstr. 150, 44801, Bochum, Germany
| | - Caroline Geisen
- Life&Brain Center, Medical Faculty, Institute of Physiology I, University of Bonn, Bonn, Germany
| | - Benedikt Fels
- Institute of Physiology, University of Lübeck, Lübeck, Germany
- DZHK (German Research Centre for Cardiovascular Research), Partner SiteHamburg/Luebeck/Kiel, Luebeck, Germany
| | - Marta Stei
- Heart Center Bonn, Clinic for Internal Medicine II, University Hospital Bonn, Bonn, Germany
| | - Kristina Kusche-Vihrog
- Institute of Physiology, University of Lübeck, Lübeck, Germany
- DZHK (German Research Centre for Cardiovascular Research), Partner SiteHamburg/Luebeck/Kiel, Luebeck, Germany
| | - Bernd K Fleischmann
- Life&Brain Center, Medical Faculty, Institute of Physiology I, University of Bonn, Bonn, Germany
| | - Daniela Wenzel
- Life&Brain Center, Medical Faculty, Institute of Physiology I, University of Bonn, Bonn, Germany.
- Department of Systems Physiology, Medical Faculty, Institute of Physiology, Ruhr University of Bochum, Universitätsstr. 150, 44801, Bochum, Germany.
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Becker S, Swoboda A, Siemer H, Schimmelpfennig S, Sargin S, Shahin V, Schwab A, Najder K. Membrane potential dynamics of C5a-stimulated neutrophil granulocytes. Pflugers Arch 2024; 476:1007-1018. [PMID: 38613695 PMCID: PMC11139730 DOI: 10.1007/s00424-024-02947-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 03/13/2024] [Accepted: 03/13/2024] [Indexed: 04/15/2024]
Abstract
Neutrophil granulocytes play a crucial role in host defense against invading pathogens and in inflammatory diseases. The aim of this study was to elucidate membrane potential dynamics during the initial phase of neutrophil activation and its relation to migration and production of reactive oxygen species (ROS). We performed ROS production measurements of neutrophils from healthy C57BL/6J mice after TNFα-priming and/or C5a stimulation. The actin cytoskeleton was visualized with fluorescence microscopy. Furthermore, we combined migration assays and measurements of membrane potential dynamics after stimulating unprimed and/or TNFα-primed neutrophils with C5a. We show that C5a has a concentration-dependent effect on ROS production and chemokinetic migration. Chemokinetic migration and chemotaxis are impaired at C5a concentrations that induce ROS production. The actin cytoskeleton of unstimulated and of ROS-producing neutrophils is not distributed in a polarized way. Inhibition of the phagocytic NADPH oxidase NOX2 with diphenyleneiodonium (DPI) leads to a polarized distribution of the actin cytoskeleton and rescues chemokinetic migration of primed and C5a-stimulated neutrophils. Moreover, C5a evokes a pronounced depolarization of the cell membrane potential by 86.6 ± 4.2 mV starting from a resting membrane potential of -74.3 ± 0.7 mV. The C5a-induced depolarization occurs almost instantaneously (within less than one minute) in contrast to the more gradually developing depolarization induced by PMA (lag time of 3-4 min). This initial depolarization is accompanied by a decrease of the migration velocity. Collectively, our results show that stimulation with C5a evokes parallel changes in membrane potential dynamics, neutrophil ROS production and motility. Notably, the amplitude of membrane potential dynamics is comparable to that of excitable cells.
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Affiliation(s)
- Stina Becker
- Institute of Physiology II, University Hospital Münster, Münster, Germany
| | - Aljoscha Swoboda
- Institute of Physiology II, University Hospital Münster, Münster, Germany
| | - Henrik Siemer
- Institute of Physiology II, University Hospital Münster, Münster, Germany
| | | | - Sarah Sargin
- Institute of Physiology II, University Hospital Münster, Münster, Germany
| | - Victor Shahin
- Institute of Physiology II, University Hospital Münster, Münster, Germany
| | - Albrecht Schwab
- Institute of Physiology II, University Hospital Münster, Münster, Germany.
| | - Karolina Najder
- Institute of Physiology II, University Hospital Münster, Münster, Germany.
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany.
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Goligorsky MS. Permissive role of vascular endothelium in fibrosis: focus on the kidney. Am J Physiol Cell Physiol 2024; 326:C712-C723. [PMID: 38223932 PMCID: PMC11193458 DOI: 10.1152/ajpcell.00526.2023] [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: 10/11/2023] [Revised: 01/09/2024] [Accepted: 01/09/2024] [Indexed: 01/16/2024]
Abstract
Fibrosis, the morphologic end-result of a plethora of chronic conditions and the scorch for organ function, has been thoroughly investigated. One aspect of its development and progression, namely the permissive role of vascular endothelium, has been overshadowed by studies into (myo)fibroblasts and TGF-β; thus, it is the subject of the present review. It has been established that tensile forces of the extracellular matrix acting on cells are a prerequisite for mechanochemical coupling, leading to liberation of TGF-β and formation of myofibroblasts. Increased tensile forces are prompted by elevated vascular permeability in response to diverse stressors, resulting in the exudation of fibronectin, fibrinogen/fibrin, and other proteins, all stiffening the extracellular matrix. These processes lead to the development of endothelial cells dysfunction, endothelial-to-mesenchymal transition, premature senescence of endothelial cells, perturbation of blood flow, and gradual obliteration of microvasculature, leaving behind "string" vessels. The resulting microvascular rarefaction is not only a constant companion of fibrosis but also an adjunct mechanism of its progression. The deepening knowledge of the above chain of pathogenetic events involving endothelial cells, namely increased permeability-stiffening of the matrix-endothelial dysfunction-microvascular rarefaction-tissue fibrosis, may provide a roadmap for therapeutic interventions deemed to curtail and reverse fibrosis.
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Affiliation(s)
- Michael S Goligorsky
- Department of Medicine, New York Medical College, Touro University, Valhalla, New York, United States
- Department of Pharmacology, New York Medical College, Touro University, Valhalla, New York, United States
- Department of Physiology, New York Medical College, Touro University, Valhalla, New York, United States
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Vahldieck C, Fels B, Löning S, Nickel L, Weil J, Kusche-Vihrog K. Prolonged Door-to-Balloon Time Leads to Endothelial Glycocalyx Damage and Endothelial Dysfunction in Patients with ST-Elevation Myocardial Infarction. Biomedicines 2023; 11:2924. [PMID: 38001925 PMCID: PMC10669223 DOI: 10.3390/biomedicines11112924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/25/2023] [Accepted: 10/26/2023] [Indexed: 11/26/2023] Open
Abstract
Damage to the endothelial glycocalyx (eGC) has been reported during acute ischemic events like ST-elevation myocardial infarction (STEMI). In STEMI, a door-to-balloon time (D2B) of <60 min was shown to reduce mortality and nonfatal complications. Here, we hypothesize that eGC condition is associated with D2B duration and endothelial function during STEMI. One hundred and twenty-six individuals were analyzed in this study (STEMI patients vs. age-/sex-matched healthy volunteers). After stimulating endothelial cells with patient/control sera, the eGC's nanomechanical properties (i.e., height/stiffness) were analyzed using the atomic force microscopy-based nanoindentation technique. eGC components were determined via ELISA, and measurements of nitric oxide levels (NO) were based on chemiluminescence. eGC height/stiffness (both p < 0.001), as well as NO concentration (p < 0.001), were reduced during STEMI. Notably, the D2B had a strong impact on the endothelial condition: a D2B > 60 min led to significantly higher serum concentrations of eGC components (syndecan-1: p < 0.001/heparan sulfate: p < 0.001/hyaluronic acid: p < 0.0001). A D2B > 60 min led to the pronounced loss of eGC height/stiffness (both, p < 0.001) with reduced NO concentrations (p < 0.01), activated the complement system (p < 0.001), and prolonged the hospital stay (p < 0.01). An increased D2B led to severe eGC shedding, with endothelial dysfunction in a temporal context. eGC components and pro-inflammatory mediators correlated with a prolonged D2B, indicating a time-dependent immune reaction during STEMI, with a decreased NO concentration. Thus, D2B is a crucial factor for eGC damage during STEMI. Clinical evaluation of the eGC condition might serve as an important predictor for the endothelial function of STEMI patients in the future.
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Affiliation(s)
- Carl Vahldieck
- Department of Anesthesiology and Intensive Care Medicine, University Medical Centre Schleswig-Holstein Campus Luebeck, 23538 Luebeck, Germany
- Institute of Physiology, University of Luebeck, 23562 Luebeck, Germany; (B.F.); (K.K.-V.)
| | - Benedikt Fels
- Institute of Physiology, University of Luebeck, 23562 Luebeck, Germany; (B.F.); (K.K.-V.)
- DZHK (German Research Centre for Cardiovascular Research), Partner Site Hamburg/Luebeck/Kiel, 23562 Luebeck, Germany
| | - Samuel Löning
- Institute of Physiology, University of Luebeck, 23562 Luebeck, Germany; (B.F.); (K.K.-V.)
| | - Laura Nickel
- Medizinische Klinik II, Sana Kliniken Luebeck, 23560 Luebeck, Germany (J.W.)
| | - Joachim Weil
- Medizinische Klinik II, Sana Kliniken Luebeck, 23560 Luebeck, Germany (J.W.)
| | - Kristina Kusche-Vihrog
- Institute of Physiology, University of Luebeck, 23562 Luebeck, Germany; (B.F.); (K.K.-V.)
- DZHK (German Research Centre for Cardiovascular Research), Partner Site Hamburg/Luebeck/Kiel, 23562 Luebeck, Germany
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Ishiko S, Ben Rahoma G, Kandhi S, Huang A, Sun D. Liposomal nanocarriers of preassembled glycocalyx expeditiously restore endothelial glycocalyx in endotoxemia. Am J Physiol Heart Circ Physiol 2023; 325:H645-H655. [PMID: 37505471 PMCID: PMC10643000 DOI: 10.1152/ajpheart.00196.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 07/26/2023] [Accepted: 07/26/2023] [Indexed: 07/29/2023]
Abstract
The endothelial glycocalyx (EG) is degraded early during sepsis, and currently available treatments are not effective in promptly restoring it. Here, we created liposomal nanocarriers of preassembled glycocalyx (LNPG) by synthesizing glycosylated syndecan-1 and inserting it into the lipid membrane of unilamellar liposomes. We hypothesized that LNPG would fuse with the endothelial cells where EG is degraded and restore EG in sepsis. We induced endotoxemia in C57BL/6J mice using lipopolysaccharides (LPS) and treated them with LNPG, saline, syndecan-1, or liposomes. LNPG significantly prolonged the survival time of LPS-treated mice compared with the other treatments. Immunostaining of en face mesenteric arteries of LPS-treated mice showed that syndecan-1 was fully restored after LNPG administration. In addition, EG height in microvasculature of mouse cremaster muscle was monitored using sidestream dark field imaging. LNPG restored the perfused boundary region (PBR), which is inversely related to EG dimensions, to the control level after LPS administration. Furthermore, flow-induced dilation in isolated mouse mesenteric arterioles was fully recovered after LNPG treatment in LPS-treated mice. In summary, our findings provide evidence of the therapeutic efficacy of LNPG in the LPS-induced mouse model of sepsis, achieved by expeditiously restoring EG through fusion of LNPG with the endothelial plasma membrane and recovery of endothelial function.NEW & NOTEWORTHY Vascular endothelial cells represent the first line of exposure to bacterial endotoxins. Here, we propose a novel therapeutic strategy using liposomes to deliver preassembled glycocalyx to vascular endothelial cell surface and consequently restore endothelial glycocalyx (EG). We tested liposomal nanocarriers of preassembled glycocalyx (LNPG) in vivo and ex vivo to establish for the first time their expeditious therapeutic efficacy in improving survival of lipopolysaccharides (LPS)-treated mice, as achieved by the restoration of EG and recovery of endothelial function.
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Affiliation(s)
- Shinya Ishiko
- Department of Medicine, New York Medical College, Valhalla, New York, United States
| | - Ghada Ben Rahoma
- Department of Physiology, New York Medical College, Valhalla, New York, United States
| | - Sharath Kandhi
- Department of Physiology, New York Medical College, Valhalla, New York, United States
| | - An Huang
- Department of Physiology, New York Medical College, Valhalla, New York, United States
| | - Dong Sun
- Department of Physiology, New York Medical College, Valhalla, New York, United States
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Wang Q, Zuurbier CJ, Huhn R, Torregroza C, Hollmann MW, Preckel B, van den Brom CE, Weber NC. Pharmacological Cardioprotection against Ischemia Reperfusion Injury-The Search for a Clinical Effective Therapy. Cells 2023; 12:1432. [PMID: 37408266 DOI: 10.3390/cells12101432] [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: 04/06/2023] [Revised: 05/10/2023] [Accepted: 05/17/2023] [Indexed: 07/07/2023] Open
Abstract
Pharmacological conditioning aims to protect the heart from myocardial ischemia-reperfusion injury (IRI). Despite extensive research in this area, today, a significant gap remains between experimental findings and clinical practice. This review provides an update on recent developments in pharmacological conditioning in the experimental setting and summarizes the clinical evidence of these cardioprotective strategies in the perioperative setting. We start describing the crucial cellular processes during ischemia and reperfusion that drive acute IRI through changes in critical compounds (∆GATP, Na+, Ca2+, pH, glycogen, succinate, glucose-6-phosphate, mitoHKII, acylcarnitines, BH4, and NAD+). These compounds all precipitate common end-effector mechanisms of IRI, such as reactive oxygen species (ROS) generation, Ca2+ overload, and mitochondrial permeability transition pore opening (mPTP). We further discuss novel promising interventions targeting these processes, with emphasis on cardiomyocytes and the endothelium. The limited translatability from basic research to clinical practice is likely due to the lack of comorbidities, comedications, and peri-operative treatments in preclinical animal models, employing only monotherapy/monointervention, and the use of no-flow (always in preclinical models) versus low-flow ischemia (often in humans). Future research should focus on improved matching between preclinical models and clinical reality, and on aligning multitarget therapy with optimized dosing and timing towards the human condition.
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Affiliation(s)
- Qian Wang
- Department of Anesthesiology-L.E.I.C.A., Amsterdam University Medical Centers, Location AMC, Cardiovascular Science, Meibergdreef 11, 1105 AZ Amsterdam, The Netherlands
| | - Coert J Zuurbier
- Department of Anesthesiology-L.E.I.C.A., Amsterdam University Medical Centers, Location AMC, Cardiovascular Science, Meibergdreef 11, 1105 AZ Amsterdam, The Netherlands
| | - Ragnar Huhn
- Department of Anesthesiology, Kerckhoff-Clinic-Center for Heart, Lung, Vascular and Rheumatic Disease, Justus-Liebig-University Giessen, Benekestr. 2-8, 61231 Bad Nauheim, Germany
| | - Carolin Torregroza
- Department of Anesthesiology, Kerckhoff-Clinic-Center for Heart, Lung, Vascular and Rheumatic Disease, Justus-Liebig-University Giessen, Benekestr. 2-8, 61231 Bad Nauheim, Germany
| | - Markus W Hollmann
- Department of Anesthesiology-L.E.I.C.A., Amsterdam University Medical Centers, Location AMC, Cardiovascular Science, Meibergdreef 11, 1105 AZ Amsterdam, The Netherlands
| | - Benedikt Preckel
- Department of Anesthesiology-L.E.I.C.A., Amsterdam University Medical Centers, Location AMC, Cardiovascular Science, Meibergdreef 11, 1105 AZ Amsterdam, The Netherlands
| | - Charissa E van den Brom
- Department of Anesthesiology-L.E.I.C.A., Amsterdam University Medical Centers, Location AMC, Cardiovascular Science, Meibergdreef 11, 1105 AZ Amsterdam, The Netherlands
| | - Nina C Weber
- Department of Anesthesiology-L.E.I.C.A., Amsterdam University Medical Centers, Location AMC, Cardiovascular Science, Meibergdreef 11, 1105 AZ Amsterdam, The Netherlands
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