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Rodriguez Moore G, Melo-Escobar I, Stegner D, Bracko O. One immune cell to bind them all: platelet contribution to neurodegenerative disease. Mol Neurodegener 2024; 19:65. [PMID: 39334369 PMCID: PMC11438031 DOI: 10.1186/s13024-024-00754-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Accepted: 09/10/2024] [Indexed: 09/30/2024] Open
Abstract
Alzheimer's disease (AD) and related dementias (ADRD) collectively affect a significant portion of the aging population worldwide. The pathological progression of AD involves not only the classical hallmarks of amyloid beta (Aβ) plaque buildup and neurofibrillary tangle development but also the effects of vasculature and chronic inflammatory processes. Recently, platelets have emerged as central players in systemic and neuroinflammation. Studies have shown that patients with altered platelet receptor expression exhibit accelerated cognitive decline independent of traditional risk factors. Additionally, platelets from AD patients exhibit heightened unstimulated activation compared to control groups. Platelet granules contain crucial AD-related proteins like tau and amyloid precursor protein (APP). Dysregulation of platelet exocytosis contributes to disease phenotypes characterized by increased bleeding, stroke, and cognitive decline risk. Recent studies have indicated that these effects are not associated with the quantity of platelets present in circulation. This underscores the hypothesis that disruptions in platelet-mediated inflammation and healing processes may play a crucial role in the development of ADRD. A thorough look at platelets, encompassing their receptors, secreted molecules, and diverse roles in inflammatory interactions with other cells in the circulatory system in AD and ADRD, holds promising prospects for disease management and intervention. This review discusses the pivotal roles of platelets in ADRD.
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Affiliation(s)
| | - Isabel Melo-Escobar
- Department of Biology, University of Miami, Coral Gables, FL, 33146, USA
- Neuroscience Program, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA
| | - David Stegner
- Institute for Experimental Biomedicine, University Hospital Würzburg, Würzburg, Germany
- Rudolf Virchow Center for Integrative and Translational Bioimaging, Julius-Maximilians University of Würzburg, Würzburg, Germany
| | - Oliver Bracko
- Department of Biology, University of Miami, Coral Gables, FL, 33146, USA.
- Department of Neurology, University of Miami Leonard M. Miller School of Medicine, Miami, FL, 33136, USA.
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2
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Tang C, Jia F, Wu M, Wang Y, Lu X, Li J, Ding Y, Chen W, Chen X, Han F, Xu H. Elastase-targeting biomimic nanoplatform for neurovascular remodeling by inhibiting NETosis mediated AlM2 inflammasome activation in ischemic stroke. J Control Release 2024; 375:404-421. [PMID: 39288890 DOI: 10.1016/j.jconrel.2024.09.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2024] [Revised: 09/03/2024] [Accepted: 09/12/2024] [Indexed: 09/19/2024]
Abstract
Neutrophil elastase (NE) is a protease released by activated neutrophils in the brain parenchyma after cerebral ischemia, which plays a pivotal role in the regulation of neutrophil extracellular traps (NETs) formation. The excess NETs could lead to blood-brain barrier (BBB) breakdown, overwhelming neuroinflammation, and neuronal injury. While the potential of targeting neutrophils and inhibiting NE activity to mitigate ischemic stroke (IS) pathology has been recognized, effective strategies that inhibit NETs formation remain under-explored. Herein, a biomimic multifunctional nanoplatform (HM@ST/TeTeLipos) was developed for active NE targeting and IS treatment. The core of the HM@ST/TeTeLipos consisted of sivelestat-loaded ditelluride-containing liposomes with ROS-responsive and NE-inhibiting properties. The outer shell was composed of platelet-neutrophil hybrid membrane vesicles (HMVs), which acted to hijack neutrophils and neutralize proinflammatory cytokines. Our studies revealed that HM@ST/TeTeLipos could effectively inhibit NE activity, thereby suppressing the release of NETs, impeding the activation of the AIM2 inflammasome, and consequently redirecting the immune response away from a pro-inflammatory M1 microglia phenotype. This resulted in enhanced neurovascular remodeling, reduced BBB disruption, and diminished neuroinflammation, ultimately promoting neuron survival. We believe that this innovative approach holds significant potential for improving the treatment of IS and various NE-mediated inflammatory diseases.
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Affiliation(s)
- Chunming Tang
- Department of Pharmaceutics, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Feng Jia
- Department of Neurosurgery, Yancheng NO.1 People's Hospital, The Affiliated Yancheng First Hospital of Nanjing University Medical School, 224008, China
| | - Min Wu
- Department of Pharmaceutics, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Yanling Wang
- Department of Pharmaceutics, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Xiaowei Lu
- Department of Geriatric Neurology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Jinyu Li
- Department of Pharmaceutics, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Yan Ding
- Department of Pharmaceutics, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Weilin Chen
- Department of Pharmaceutics, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China.
| | - Xufeng Chen
- Department of Emergency Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China.
| | - Feng Han
- Department of Pharmaceutics, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China.
| | - Huae Xu
- Department of Pharmaceutics, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China.
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3
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Guo D, Liu Z, Zhou J, Ke C, Li D. Significance of Programmed Cell Death Pathways in Neurodegenerative Diseases. Int J Mol Sci 2024; 25:9947. [PMID: 39337436 PMCID: PMC11432010 DOI: 10.3390/ijms25189947] [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: 07/27/2024] [Revised: 09/07/2024] [Accepted: 09/12/2024] [Indexed: 09/30/2024] Open
Abstract
Programmed cell death (PCD) is a form of cell death distinct from accidental cell death (ACD) and is also referred to as regulated cell death (RCD). Typically, PCD signaling events are precisely regulated by various biomolecules in both spatial and temporal contexts to promote neuronal development, establish neural architecture, and shape the central nervous system (CNS), although the role of PCD extends beyond the CNS. Abnormalities in PCD signaling cascades contribute to the irreversible loss of neuronal cells and function, leading to the onset and progression of neurodegenerative diseases. In this review, we summarize the molecular processes and features of different modalities of PCD, including apoptosis, necroptosis, pyroptosis, ferroptosis, cuproptosis, and other novel forms of PCD, and their effects on the pathogenesis of neurodegenerative diseases, such as Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), amyotrophic lateral sclerosis (ALS), spinal muscular atrophy (SMA), multiple sclerosis (MS), traumatic brain injury (TBI), and stroke. Additionally, we examine the key factors involved in these PCD signaling pathways and discuss the potential for their development as therapeutic targets and strategies. Therefore, therapeutic strategies targeting the inhibition or facilitation of PCD signaling pathways offer a promising approach for clinical applications in treating neurodegenerative diseases.
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Affiliation(s)
- Dong Guo
- College of Life Science, Fujian Normal University Qishan Campus, Fuzhou 350117, China
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University Qishan Campus, Fuzhou 350117, China
| | - Zhihao Liu
- College of Life Science, Fujian Normal University Qishan Campus, Fuzhou 350117, China
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University Qishan Campus, Fuzhou 350117, China
| | - Jinglin Zhou
- College of Life Science, Fujian Normal University Qishan Campus, Fuzhou 350117, China
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University Qishan Campus, Fuzhou 350117, China
| | - Chongrong Ke
- College of Life Science, Fujian Normal University Qishan Campus, Fuzhou 350117, China
| | - Daliang Li
- College of Life Science, Fujian Normal University Qishan Campus, Fuzhou 350117, China
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University Qishan Campus, Fuzhou 350117, China
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Annis JL, Brown MG. Inflammation and Macrophage Loss Mark Increased Susceptibility in a Genetic Model of Acute Viral Infection-Induced Tissue Damage. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 213:853-864. [PMID: 39046317 PMCID: PMC11371500 DOI: 10.4049/jimmunol.2400116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Accepted: 07/03/2024] [Indexed: 07/25/2024]
Abstract
M.R2k/b mice are identical to the MA/My parent strain aside from a 5.58-Mb C57L-derived region on chromosome 17 (Cmv5s) that causes increased susceptibility to acute murine CMV (MCMV) infection and the development of significant spleen tissue damage. Spleen pathology begins at the marginal zone (MZ), apparent by 2 d postinfection (dpi), and progresses throughout the red pulp by 4 dpi. To better understand how M.R2k/b mice respond to infection and how Cmv5s contributes to tissue damage in the spleen, we assessed the regulation of myeloid cells and inflammation during acute MCMV infection in MA/My and M.R2k/b mice. We found that Cmv5s drove increased neutrophil accumulation and cell death at the MZ, which corresponded with evidence of localized oxidative stress and increased overall spleen IL-6 and TGF-β1 early during infection. Further assessment of MCMV infection dynamics at the early MZ revealed infected SIGNR1+ MZ macrophages as the first apparent cell type lost during infection in these mice and the likely target of early neutrophil recruitment. Spleen macrophages were also identified as the mediators of differential spleen IL-6 and TGF-β1 between MA/My and M.R2k/b mice. Interrogation of MCMV progression past 2 dpi revealed substantial M.R2k/b F480+ red pulp macrophage loss along with buildup of oxidative stress and MZ macrophage debris that was not neutrophil dependent. Together we identify Cmv5s-driven macrophage loss and inflammation during acute MCMV infection corresponding with the spatial and temporal development of spleen tissue damage.
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Affiliation(s)
- Jessica L Annis
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA
| | - Michael G Brown
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia, Charlottesville, VA
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA
- Department of Medicine, Division of Nephrology, University of Virginia, Charlottesville, VA
- Center for Immunity, Inflammation, and Regenerative Medicine, University of Virginia, Charlottesville, VA
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Xu W, Guo Y, Zhao L, Fu R, Qin X, Zhang Y, Cheng X, Xu S. The Aging Immune System: A Critical Attack on Ischemic Stroke. Mol Neurobiol 2024:10.1007/s12035-024-04464-2. [PMID: 39271626 DOI: 10.1007/s12035-024-04464-2] [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: 11/03/2023] [Accepted: 08/29/2024] [Indexed: 09/15/2024]
Abstract
Ischemic stroke caused by cerebrovascular embolism is an age-related disease with high rates of disability and mortality. Although the mechanisms of immune and inflammatory development after stroke have been of great interest, most studies have neglected the critical and unavoidable factor of age. As the global aging trend intensifies, the number of stroke patients is constantly increasing, emphasizing the urgency of finding effective measures to address the needs of elderly stroke patients. The concept of "immunosenescence" appears to explain the worse stroke outcomes in older individuals. Immune remodeling due to aging involves dynamic changes at all levels of the immune system, and the overall consequences of central (brain-resident) and peripheral (non-brain-resident) immune cells in stroke vary according to the age of the individual. Lastly, the review outlines recent strategies aimed at immunosenescence to improve stroke prognosis.
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Affiliation(s)
- Wenzhe Xu
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, Tianjin, China
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yuying Guo
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, Tianjin, China
| | - Linna Zhao
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, Tianjin, China
| | - Rong Fu
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, Tianjin, China
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiaoli Qin
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, Tianjin, China
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yunsha Zhang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xueqi Cheng
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, Tianjin, China
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Shixin Xu
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.
- Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, Tianjin, China.
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Savi M, Su F, Sterchele ED, Bogossian EG, Demailly Z, Baggiani M, Casu GS, Taccone FS. Targeting NETosis in Acute Brain Injury: A Systematic Review of Preclinical and Clinical Evidence. Cells 2024; 13:1553. [PMID: 39329737 PMCID: PMC11440106 DOI: 10.3390/cells13181553] [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: 08/07/2024] [Revised: 09/05/2024] [Accepted: 09/08/2024] [Indexed: 09/28/2024] Open
Abstract
Acute brain injury (ABI) remains one of the leading causes of death and disability world-wide. Its treatment is challenging due to the heterogeneity of the mechanisms involved and the variability among individuals. This systematic review aims at evaluating the impact of anti-histone treatments on outcomes in ABI patients and experimental animals and defining the trend of nucleosome levels in biological samples post injury. We performed a search in Pubmed/Medline and Embase databases for randomized controlled trials and cohort studies involving humans or experimental settings with various causes of ABI. We formulated the search using the PICO method, considering ABI patients or animal models as population (P), comparing pharmacological and non-pharmacological therapy targeting the nucleosome as Intervention (I) to standard of care or no treatment as Control (C). The outcome (O) was mortality or functional outcome in experimental animals and patients affected by ABI undergoing anti-NET treatments. We identified 28 studies from 1246 articles, of which 7 were experimental studies and 21 were human clinical studies. Among these studies, only four assessed the effect of anti-NET therapy on circulating markers. Three of them were preclinical and reported better outcome in the interventional arm compared to the control arm. All the studies observed a significant reduction in circulating NET-derived products. NETosis could be a target for new treatments. Monitoring NET markers in blood and cerebrospinal fluid might predict mortality and long-term outcomes. However, longitudinal studies and randomized controlled trials are warranted to fully evaluate their potential, as current evidence is limited.
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Affiliation(s)
- Marzia Savi
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, 20089 Milan, Italy
- Department of Intensive Care, Erasme Hospital, Brussels University Hospital, Université Libre de Bruxelles, 1070 Brussels, Belgium
| | - Fuhong Su
- Laboratoire de Recherche Expérimentale des Soins Intensifs, Université Libre de Bruxelles, 1070 Brussels, Belgium
| | - Elda Diletta Sterchele
- Department of Intensive Care, Erasme Hospital, Brussels University Hospital, Université Libre de Bruxelles, 1070 Brussels, Belgium
- Terapia Intensiva e del Dolore, Scuola di Anestesia Rianimazione, Università degli Studi di Milano, 20089 Milan, Italy
| | - Elisa Gouvêa Bogossian
- Department of Intensive Care, Erasme Hospital, Brussels University Hospital, Université Libre de Bruxelles, 1070 Brussels, Belgium
- Laboratoire de Recherche Expérimentale des Soins Intensifs, Université Libre de Bruxelles, 1070 Brussels, Belgium
| | - Zoé Demailly
- Department of Intensive Care, Erasme Hospital, Brussels University Hospital, Université Libre de Bruxelles, 1070 Brussels, Belgium
- Medical Intensive Care Unit, CHU Rouen, Normandie Université, F-76000 Rouen, France
| | - Marta Baggiani
- Neurological Intensive Care Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico San Gerardo dei Tintori, 20900 Monza, Italy
| | - Giuseppe Stefano Casu
- Department of Intensive Care, Erasme Hospital, Brussels University Hospital, Université Libre de Bruxelles, 1070 Brussels, Belgium
- Laboratoire de Recherche Expérimentale des Soins Intensifs, Université Libre de Bruxelles, 1070 Brussels, Belgium
| | - Fabio Silvio Taccone
- Department of Intensive Care, Erasme Hospital, Brussels University Hospital, Université Libre de Bruxelles, 1070 Brussels, Belgium
- Laboratoire de Recherche Expérimentale des Soins Intensifs, Université Libre de Bruxelles, 1070 Brussels, Belgium
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7
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Zhang M, Li S, Ying J, Qu Y. Neutrophils: a key component in ECMO-related acute organ injury. Front Immunol 2024; 15:1432018. [PMID: 39346902 PMCID: PMC11427252 DOI: 10.3389/fimmu.2024.1432018] [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: 05/13/2024] [Accepted: 08/27/2024] [Indexed: 10/01/2024] Open
Abstract
Extracorporeal membrane oxygenation (ECMO), as an extracorporeal life support technique, can save the lives of reversible critically ill patients when conventional treatments fail. However, ECMO-related acute organ injury is a common complication that increases the risk of death in critically ill patients, including acute kidney injury, acute brain injury, acute lung injury, and so on. In ECMO supported patients, an increasing number of studies have shown that activation of the inflammatory response plays an important role in the development of acute organ injury. Cross-cascade activation of the complement system, the contact system, and the coagulation system, as well as the mechanical forces of the circuitry are very important pathophysiological mechanisms, likely leading to neutrophil activation and the production of neutrophil extracellular traps (NETs). NETs may have the potential to cause organ damage, generating interest in their study as potential therapeutic targets for ECMO-related acute organ injury. Therefore, this article comprehensively summarized the mechanism of neutrophils activation and NETs formation following ECMO treatment and their actions on acute organ injury.
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Affiliation(s)
- Mingfu Zhang
- Department of Pediatrics, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Ministry of Education), West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Chronobiology (National Health Commission), West China Second University Hospital, Sichuan University, Chengdu, China
| | - Shiping Li
- Department of Pediatrics, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Ministry of Education), West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Chronobiology (National Health Commission), West China Second University Hospital, Sichuan University, Chengdu, China
| | - Junjie Ying
- Department of Pediatrics, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Ministry of Education), West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Chronobiology (National Health Commission), West China Second University Hospital, Sichuan University, Chengdu, China
| | - Yi Qu
- Department of Pediatrics, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Ministry of Education), West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Chronobiology (National Health Commission), West China Second University Hospital, Sichuan University, Chengdu, China
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Zhang R, Li J, Li X, Zhang S. Therapeutic approaches to CNS diseases via the meningeal lymphatic and glymphatic system: prospects and challenges. Front Cell Dev Biol 2024; 12:1467085. [PMID: 39310229 PMCID: PMC11413538 DOI: 10.3389/fcell.2024.1467085] [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: 07/19/2024] [Accepted: 08/28/2024] [Indexed: 09/25/2024] Open
Abstract
The brain has traditionally been considered an "immune-privileged" organ lacking a lymphatic system. However, recent studies have challenged this view by identifying the presence of the glymphatic system and meningeal lymphatic vessels (MLVs). These discoveries offer new opportunities for waste clearance and treatment of central nervous system (CNS) diseases. Various strategies have been developed based on these pathways, including modulation of glymphatic system function, enhancement of meningeal lymphatic drainage, and utilization of these routes for drug delivery. Consequently, this review explores the developmental features and physiological roles of the cerebral lymphatic system as well as its significance in various CNS disorders. Notably, strategies for ameliorating CNS diseases have been discussed with a focus on enhancing glymphatic system and MLVs functionality through modulation of physiological factors along with implementing pharmacological and physical treatments. Additionally, emphasis is placed on the potential use of the CNS lymphatic system in drug delivery while envisioning future directions in terms of mechanisms, applications, and translational research.
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Affiliation(s)
| | | | | | - Si Zhang
- Department of Neurosurgery, Department of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, China
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Jia Z, Yu X, Wang X, Li J. Therapeutic Effects of Coenzyme Q10 in the Treatment of Ischemic Stroke. Curr Nutr Rep 2024:10.1007/s13668-024-00568-2. [PMID: 39227555 DOI: 10.1007/s13668-024-00568-2] [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] [Accepted: 08/20/2024] [Indexed: 09/05/2024]
Abstract
PURPOSE OF REVIEW Ischemic stroke is the second deadly disease worldwide, but current treatment is very limited. The brain, rich in lipids and high in oxygen consumption, is susceptible to damage from oxidative stress after ischemic stroke. Thus, antioxidants are promising neuroprotective agents for treatment and prevention of ischemic stroke. Coenzyme Q10 is the only lipophilic antioxidant that can be synthesized de novo by cells and plays a key role as an electron carrier in the oxidative phosphorylation of the mitochondrial electron transport chain. However, the reduced form of coenzyme Q10 (Ubiquinol) levels are significantly deficient in the brain. The aim of this article is to review the therapeutic effects and mechanisms of coenzyme Q10 in ischemic stroke. RECENT FINDINGS Current studies have found that coenzyme Q10 protects and treats ischemic stroke through multiple mechanisms based on the evidence from in vitro experiments, in vivo experiments, and clinical observations. For the first time, we reviewed the neuroprotective effects of coenzyme Q10 in ischemic stroke. Coenzyme Q10 exerts neuroprotective effects after ischemic stroke through anti-oxidative stress, anti-nitrosative stress, anti-inflammation, and anti-cell death. Here, we provided the evidence on the therapeutic and preventive effects of coenzyme Q10 in ischemic stroke and suggested the potential value of coenzyme Q10 as a medication candidate.
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Affiliation(s)
- Zhilei Jia
- Science and Technology Innovation Platform Management Center of Jilin Province, Changchun, Jilin, 130000, China
| | - Xiaoya Yu
- Science and Technology Innovation Platform Management Center of Jilin Province, Changchun, Jilin, 130000, China
| | - Xu Wang
- School of Public Health, Jilin University, Changchun, Jilin, 130021, China.
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China.
| | - Jinhua Li
- School of Public Health, Jilin University, Changchun, Jilin, 130021, China.
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10
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Jia CL, Gou Y, Gao Y, Pei X, Jin X, Li BL, Zhang Z, He Y, Ji ES, Zhao Y. Rosmarinic acid liposomes suppress ferroptosis in ischemic brain via inhibition of TfR1 in BMECs. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 132:155835. [PMID: 38968791 DOI: 10.1016/j.phymed.2024.155835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 05/30/2024] [Accepted: 06/19/2024] [Indexed: 07/07/2024]
Abstract
BACKGROUND Iron deposition and ferroptosis are involved in ischemic stroke injury, but the choice of drugs for treatment is limited. PURPOSE To investigate the potential neuroprotective effects of Rosmarinic acid (RosA) encapsulated within nanoliposomes (RosA-LIP) on ischemic stroke. METHODS Wild-type (WT) and TfR1EC cKO (specific knockout of the TfR1 gene in BMECs) mice used to establish a dMCAO model, with simultaneous administration of RosA-LIP (20 mg/kg/d, i.p.) or RosA (20 mg/kg/d, i.p.). RESULTS The successful synthesis of RosA-LIP resulted in enhanced stability and precise delivery in both the serum and brain. The administration of RosA-LIP effectively mitigated ischemia-induced behavioral abnormalities and pathological damage. RosA-LIP inhibited ferroptosis by ameliorating mitochondrial abnormalities, increasing GPX4 levels, and decreasing ACSL4/LPCAT3/Lox-dependent lipid peroxidation. RosA-LIP effectively improved blood‒brain barrier (BBB) permeability, increased tight junctions (TJs) protein expression and reduced iron levels in ischemic tissue and brain microvascular endothelial cells (BMECs) by modulating FPN1 and TfR1 levels. Furthermore, RosA-LIP suppressed TfR1 to attenuate ACSL4/LPCAT3/Lox-mediated ferroptosis in TfR1EC cKO mice subjected to dMCAO. CONCLUSION RosA-LIP effectively increased the brain level of RosA and protected against ferroptosis through the regulation of TfR1 in BMECs.
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Affiliation(s)
- Cui-Ling Jia
- Hebei Technology Innovation Center of TCM Combined Hydrogen Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Yujing Gou
- Hebei Technology Innovation Center of TCM Combined Hydrogen Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Yuhui Gao
- Hebei Technology Innovation Center of TCM Combined Hydrogen Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Xiaocui Pei
- Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, Shijiazhuang, China; Hebei Higher Education Institute Applied Technology Research Center on TCM Formula Preparation, Shijiazhuang, China
| | - Xiaofei Jin
- Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Bo-Liang Li
- Hebei Technology Innovation Center of TCM Combined Hydrogen Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Zhi Zhang
- Hebei Technology Innovation Center of TCM Combined Hydrogen Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Yingna He
- Hebei Key Laboratory of Chinese Medicine Research on Cardio-Cerebrovascular Disease, Hebei University of Chinese Medicine, Shijiazhuang, China; Hebei Higher Education Institute Applied Technology Research Center on TCM Formula Preparation, Shijiazhuang, China.
| | - En-Sheng Ji
- Hebei Technology Innovation Center of TCM Combined Hydrogen Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China.
| | - Yashuo Zhao
- Hebei Technology Innovation Center of TCM Combined Hydrogen Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China; Hebei Higher Education Institute Applied Technology Research Center on TCM Formula Preparation, Shijiazhuang, China.
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11
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Denorme F. Cutting the Gordian knot of neutrophil extracellular traps research. J Thromb Haemost 2024; 22:2419-2421. [PMID: 39174228 DOI: 10.1016/j.jtha.2024.06.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Accepted: 06/19/2024] [Indexed: 08/24/2024]
Affiliation(s)
- Frederik Denorme
- Department of Emergency Medicine, Washington University School of Medicine, St Louis, Missouri, USA.
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12
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Xu X, Chen M, Zhu D. Reperfusion and cytoprotective agents are a mutually beneficial pair in ischaemic stroke therapy: an overview of pathophysiology, pharmacological targets and candidate drugs focusing on excitotoxicity and free radical. Stroke Vasc Neurol 2024; 9:351-359. [PMID: 37832977 PMCID: PMC11420919 DOI: 10.1136/svn-2023-002671] [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: 06/23/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023] Open
Abstract
Stroke is the second-leading cause of death and the leading cause of disability in much of the world. In particular, China faces the greatest challenge from stroke, since the population is aged quickly. In decades of clinical trials, no neuroprotectant has had reproducible efficacy on primary clinical end points, because reperfusion is probably a necessity for neuroprotection to be clinically beneficial. Fortunately, the success of thrombolysis and endovascular thrombectomy has taken us into a reperfusion era of acute ischaemic stroke (AIS) therapy. Brain cytoprotective agents can prevent detrimental effects of ischaemia, and therefore 'freeze' ischaemic penumbra before reperfusion, extend the time window for reperfusion therapy. Because reperfusion often leads to reperfusion injury, including haemorrhagic transformation, brain oedema, infarct progression and neurological worsening, cytoprotective agents will enhance the efficacy and safety of reperfusion therapy by preventing or reducing reperfusion injuries. Therefore, reperfusion and cytoprotective agents are a mutually beneficial pair in AIS therapy. In this review, we outline critical pathophysiological events causing cell death within the penumbra after ischaemia or ischaemia/reperfusion in the acute phase of AIS, focusing on excitotoxicity and free radicals. We discuss key pharmacological targets for cytoprotective therapy and evaluate the recent advances of cytoprotective agents going through clinical trials, highlighting multitarget cytoprotective agents that intervene at multiple levels of the ischaemic and reperfusion cascade.
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Affiliation(s)
- Xiumei Xu
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Mingyu Chen
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Dongya Zhu
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, China
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13
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Maugeri N, Manfredi AA. Platelet HMGB1 steers intravascular immunity and thrombosis. J Thromb Haemost 2024:S1538-7836(24)00486-0. [PMID: 39173879 DOI: 10.1016/j.jtha.2024.07.030] [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: 03/20/2024] [Revised: 07/01/2024] [Accepted: 07/22/2024] [Indexed: 08/24/2024]
Abstract
Platelets navigate the fine balance between homeostasis and injury. They regulate vascular homeostasis and drive repair after injury amidst leukocyte extravasation. Crucially, platelets initiate extracellular traps generation and promote immunothrombosis. In chronic human diseases, platelet action often extends beyond its normative role, sparking sustained reciprocal activation of leukocytes and mural cells, culminating in adverse vascular remodeling. Studies in the last decade have spotlighted a novel key player in platelet activation, the high mobility group box 1 (HMGB1) protein. Despite its initial characterization as a chromatin molecule, anucleated platelets express abundant HMGB1, which has emerged as a linchpin in thromboinflammatory risks and microvascular remodeling. We propose that a comprehensive assessment of platelet HMGB1, spanning quantification of content, membrane localization, and accumulation of HMGB1-expressing vesicles in biological fluids should be integral to dissecting and quantifying platelet activation. This review provides evidence supporting this claim and underscores the significance of platelet HMGB1 as a biomarker in conditions associated with heightened thrombotic risks and systemic microvascular involvement, spanning cardiovascular, autoimmune, and infectious diseases.
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Affiliation(s)
- Norma Maugeri
- Division of Immunology, Transplantation & Infectious Diseases, Istituti di Ricovero e Cura a Carattere Scientifico San Raffaele Institute, Milan, Italy; Università Vita-Salute San Raffaele, Milan, Italy.
| | - Angelo A Manfredi
- Division of Immunology, Transplantation & Infectious Diseases, Istituti di Ricovero e Cura a Carattere Scientifico San Raffaele Institute, Milan, Italy; Università Vita-Salute San Raffaele, Milan, Italy
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14
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Long D, Mao C, Xu Y, Zhu Y. The emerging role of neutrophil extracellular traps in ulcerative colitis. Front Immunol 2024; 15:1425251. [PMID: 39170617 PMCID: PMC11335521 DOI: 10.3389/fimmu.2024.1425251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Accepted: 07/22/2024] [Indexed: 08/23/2024] Open
Abstract
Ulcerative colitis (UC) is characterized by chronic non-recessive inflammation of the intestinal mucosa involving both innate and adaptive immune responses. Currently, new targeted therapies are urgently needed for UC, and neutrophil extracellular traps (NETs) are new therapeutic options. NETs are DNA-based networks released from neutrophils into the extracellular space after stimulation, in which a variety of granule proteins, proteolytic enzymes, antibacterial peptides, histones, and other network structures are embedded. With the deepening of the studies on NETs, their regulatory role in the development of autoimmune and autoinflammatory diseases has received extensive attention in recent years. Increasing evidence indicates that excess NETs exacerbate the inflammatory response in UC, disrupting the structure and function of the intestinal mucosal barrier and increasing the risk of thrombosis. Although NETs are usually assigned a deleterious role in promoting the pathological process of UC, they also appear to have a protective role in some models. Despite such progress, comprehensive reviews describing the therapeutic promise of NETs in UC remain limited. In this review, we discuss the latest evidence for the formation and degradation of NETs, focusing on their double-edged role in UC. Finally, the potential implications of NETs as therapeutic targets for UC will be discussed. This review aims to provide novel insights into the pathogenesis and therapeutic options for UC.
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Affiliation(s)
- Dan Long
- Department of Gastroenterology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Chenhan Mao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Yin Xu
- Department of Gastroenterology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Ying Zhu
- Department of Gastroenterology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
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15
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Baumann T, de Buhr N, Blume N, Gabriel MM, Ernst J, Fingerhut L, Imker R, Abu-Fares O, Kühnel M, Jonigk DD, Götz F, Falk C, Weissenborn K, Grosse GM, Schuppner R. Assessment of associations between neutrophil extracellular trap biomarkers in blood and thrombi in acute ischemic stroke patients. J Thromb Thrombolysis 2024; 57:936-946. [PMID: 38853210 PMCID: PMC11315804 DOI: 10.1007/s11239-024-03004-y] [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] [Accepted: 05/13/2024] [Indexed: 06/11/2024]
Abstract
Inflammation including immunothrombosis by neutrophil extracellular traps (NETs) has important implications in acute ischemic stroke and can affect reperfusion status, susceptibility to stroke associated infections (SAI) as well as functional clinical outcome. NETs were shown to be prevalent in stroke thrombi and NET associated markers were found in stroke patients' blood. However, little is known whether blood derived NET markers reflect the amount of NETs in thrombi. Conclusions from blood derived markers to thrombus composition might open avenues for novel strategies in diagnostic and therapeutic approaches. We prospectively recruited 166 patients with acute ischemic stroke undergoing mechanical thrombectomy between March 2018 and May 2021. Available thrombi (n = 106) were stained for NET markers DNA-histone-1 complexes and myeloperoxidase (MPO). Cell free DNA (cfDNA), deoxyribonuclease (DNase) activity, MPO-histone complexes and a cytokine-panel were measured before thrombectomy and after seven days. Clinical data, including stroke etiology, reperfusion status, SAI and functional outcome after rehabilitation, were collected of all patients. NET markers were present in all thrombi. At onset the median concentration of cfDNA in blood was 0.19 µg/ml increasing to 0.30 µg/ml at 7 days. Median DNase activity at onset was 4.33 pmol/min/ml increasing to 4.96 pmol/min/ml at 7 days. Within thrombi DNA-histone-1 complexes and MPO correlated with each other (ρ = 0.792; p < 0.001). Moreover, our study provides evidence for an association between the amount of NETs and endogenous DNase activity in blood with amounts of NETs in cerebral thrombi. However, these associations need to be confirmed in larger cohorts, to investigate the potential clinical implications for individualized therapeutic and diagnostic approaches in acute ischemic stroke.
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Affiliation(s)
- Tristan Baumann
- Department of Neurology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Nicole de Buhr
- Institute of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Nicole Blume
- Department of Neurology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Maria M Gabriel
- Department of Neurology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Johanna Ernst
- Department of Neurology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Leonie Fingerhut
- Institute of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Rabea Imker
- Institute of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Omar Abu-Fares
- Institute of Diagnostic and Interventional Neuroradiology, Hannover Medical School, Hannover, Germany
| | - Mark Kühnel
- Institute of Pathology, Hannover Medical School, Hannover, Germany
- Member of the German Center for Lung Research (DZL), Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Hannover, Germany
| | - Danny D Jonigk
- Member of the German Center for Lung Research (DZL), Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Hannover, Germany
- Institute of Pathology, RWTH Aachen Medical University, Aachen, Germany
| | - Friedrich Götz
- Institute of Diagnostic and Interventional Neuroradiology, Hannover Medical School, Hannover, Germany
| | - Christine Falk
- Institute of Transplant Immunology, Hannover Medical School, Hannover, Germany
| | - Karin Weissenborn
- Department of Neurology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Gerrit M Grosse
- Department of Neurology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
- Department of Neurology and Stroke Center, University Hospital Basel, Basel, Switzerland
| | - Ramona Schuppner
- Department of Neurology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
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16
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Lou J, Zhang J, Deng Q, Chen X. Neutrophil extracellular traps mediate neuro-immunothrombosis. Neural Regen Res 2024; 19:1734-1740. [PMID: 38103239 PMCID: PMC10960287 DOI: 10.4103/1673-5374.389625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 10/14/2023] [Indexed: 12/18/2023] Open
Abstract
Neutrophil extracellular traps are primarily composed of DNA and histones and are released by neutrophils to promote inflammation and thrombosis when stimulated by various inflammatory reactions. Neutrophil extracellular trap formation occurs through lytic and non-lytic pathways that can be further classified by formation mechanisms. Histones, von Willebrand factor, fibrin, and many other factors participate in the interplay between inflammation and thrombosis. Neuro-immunothrombosis summarizes the intricate interplay between inflammation and thrombosis during neural development and the pathogenesis of neurological diseases, providing cutting-edge insights into post-neurotrauma thrombotic events. The blood-brain barrier defends the brain and spinal cord against external assaults, and neutrophil extracellular trap involvement in blood-brain barrier disruption and immunothrombosis contributes substantially to secondary injuries in neurological diseases. Further research is needed to understand how neutrophil extracellular traps promote blood-brain barrier disruption and immunothrombosis, but recent studies have demonstrated that neutrophil extracellular traps play a crucial role in immunothrombosis, and identified modulators of neuro-immunothrombosis. However, these neurological diseases occur in blood vessels, and the mechanisms are unclear by which neutrophil extracellular traps penetrate the blood-brain barrier to participate in immunothrombosis in traumatic brain injury. This review discusses the role of neutrophil extracellular traps in neuro-immunothrombosis and explores potential therapeutic interventions to modulate neutrophil extracellular traps that may reduce immunothrombosis and improve traumatic brain injury outcomes.
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Affiliation(s)
- Jianbo Lou
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Jianning Zhang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Neurological Institute, Key Laboratory of Post-Trauma Neuro-Repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
| | - Quanjun Deng
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Xin Chen
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Neurological Institute, Key Laboratory of Post-Trauma Neuro-Repair and Regeneration in Central Nervous System, Ministry of Education, Tianjin Key Laboratory of Injuries, Variations and Regeneration of Nervous System, Tianjin, China
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17
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Wang C, Gu L, Zhang Y, Gao Y, Jian Z, Xiong X. Bibliometric insights into the inflammation and mitochondrial stress in ischemic stroke. Exp Neurol 2024; 378:114845. [PMID: 38838802 DOI: 10.1016/j.expneurol.2024.114845] [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: 03/22/2024] [Revised: 05/19/2024] [Accepted: 06/02/2024] [Indexed: 06/07/2024]
Abstract
BACKGROUND Research in the areas of inflammation and mitochondrial stress in ischemic stroke is rapidly expanding, but a comprehensive overview that integrates bibliometric trends with an in-depth review of molecular mechanisms is lacking. OBJECTIVE To map the evolving landscape of research using bibliometric analysis and to detail the molecular mechanisms that underpin these trends, emphasizing their implications in ischemic stroke. METHODS We conducted a bibliometric analysis to identify key trends, top contributors, and focal research themes. In addition, we review recent research advances in mitochondrial stress and inflammation in ischemic stroke to gain a detailed understanding of the pathophysiological processes involved. CONCLUSION Our integrative approach not only highlights the growing research interest and collaborations but also provides a detailed exploration of the molecular mechanisms that are central to the pathology of ischemic stroke. This synthesis offers valuable insights for researchers and paves the way for targeted therapeutic interventions.
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Affiliation(s)
- Chaoqun Wang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lijuan Gu
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China; Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yonggang Zhang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yikun Gao
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China; Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhihong Jian
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Xiaoxing Xiong
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China.
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18
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Mu S, Li Z, Lin L, Wang D, Yang F, Chen L, Xian L, Lin K, Lin Y, Ye D, Yang Y, Wei L, Xu Y, Wang S. SIRT1-Mediated HMGB1 Deacetylation Suppresses Neutrophil Extracellular Traps Related to Blood-Brain Barrier Impairment After Cerebral Venous Thrombosis. Mol Neurobiol 2024; 61:6060-6076. [PMID: 38267754 DOI: 10.1007/s12035-024-03959-2] [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] [Accepted: 01/12/2024] [Indexed: 01/26/2024]
Abstract
Cerebral venous thrombosis (CVT) is a neurovascular disease with recently increasing incidence. Aseptic inflammatory responses play an important role in the pathology of CVT. Recent studies report that neutrophil extracellular traps (NETs) are major triggers of thrombosis and inflammation in stroke, but their effect on brain injury in CVT requires further validation. In this study, two CVT animal models were used to simulate superior sagittal sinus thrombosis and cortical vein thrombosis. The effects of brain tissue infiltration of NETs and the molecular mechanisms associated with NET formation were deeply explored in combination with proteomics, histology, and serology. The results showed that the cortical vein thrombosis model could be combined with more severe blood-brain barrier (BBB) disruption and showed more severe cerebral hemorrhage. Decreased Sirtuin 1 (SIRT1) expression promotes high mobility group box 1 (HMGB1) acetylation, causing increased cytosolic translocation and extracellular release, and HMGB1 can promote NET formation and recruitment. In addition, corticocerebral accumulation of NETs contributes to BBB damage. This establishes a vicious cycle between BBB damage and NET accumulation. SIRT1 mediated-HMGB1 deacetylation may play a critical role in attenuating BBB damage following CVT. This study employed a combined validation using models of venous sinus thrombosis and cortical vein thrombosis to investigate the deacetylation role of SIRT1, aiming to offer new insights into the pathological mechanisms of brain injury following CVT.
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Affiliation(s)
- Shuwen Mu
- Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, 350025, China
| | - Ziqi Li
- Department of Neurosurgery, School of Medicine, Dongfang Affiliated Hospital of Xiamen University, Xiamen University, Xiamen, 361005, China
| | - Long Lin
- Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, 350025, China
| | - Di Wang
- Department of Molecular Pathology, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, 350014, China
| | - Fei Yang
- Department of Anesthesiology and Perioperative Medicine, 900th Hospital, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, 350025, China
| | - Li Chen
- Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, 350025, China
| | - Liang Xian
- Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, 350025, China
| | - Kunzhe Lin
- Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, 350025, China
| | - Yinghong Lin
- Fujian University of Traditional Chinese Medicine, Fuzhou, 350122, China
| | - Dan Ye
- Fujian University of Traditional Chinese Medicine, Fuzhou, 350122, China
| | - Yang Yang
- Fujian University of Traditional Chinese Medicine, Fuzhou, 350122, China
| | - Liangfeng Wei
- Department of Neurosurgery, 900th Hospital, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, 350025, China
| | - Yongjun Xu
- Laboratory of Basic Medicine, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, 350025, China.
- Laboratory of Basic Medicine, 900th Hospital, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, 350025, China.
| | - Shousen Wang
- Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, 350025, China.
- Department of Neurosurgery, 900th Hospital, Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, 350025, China.
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19
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Wang Y, Ye Y, Shi S, Mao K, Zheng H, Chen X, Yan H, Lu Y, Zhou Y, Ye W, Ye J, Han JJ. Prediagnosis recognition of acute ischemic stroke by artificial intelligence from facial images. Aging Cell 2024; 23:e14196. [PMID: 38845183 PMCID: PMC11320352 DOI: 10.1111/acel.14196] [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: 01/01/2024] [Revised: 04/20/2024] [Accepted: 04/24/2024] [Indexed: 08/15/2024] Open
Abstract
Stroke is a major threat to life and health in modern society, especially in the aging population. Stroke may cause sudden death or severe sequela-like hemiplegia. Although computed tomography (CT) and magnetic resonance imaging (MRI) are standard diagnosis methods, and artificial intelligence models have been built based on these images, shortage in medical resources and the time and cost of CT/MRI imaging hamper fast detection, thus increasing the severity of stroke. Here, we developed a convolutional neural network model by integrating four networks, Xception, ResNet50, VGG19, and EfficientNetb1, to recognize stroke based on 2D facial images with a cross-validation area under curve (AUC) of 0.91 within the training set of 185 acute ischemic stroke patients and 551 age- and sex-matched controls, and AUC of 0.82 in an independent data set regardless of age and sex. The model computed stroke probability was quantitatively associated with facial features, various clinical parameters of blood clotting indicators and leukocyte counts, and, more importantly, stroke incidence in the near future. Our real-time facial image artificial intelligence model can be used to rapidly screen and prediagnose stroke before CT scanning, thus meeting the urgent need in emergency clinics, potentially translatable to routine monitoring.
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Affiliation(s)
- Yiyang Wang
- Peking‐Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Center for Quantitative Biology (CQB)Peking UniversityBeijingChina
- Key Laboratory of Computational Biology, Shanghai Institute of Nutrition and Health, Chinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
| | - Yunyan Ye
- Emergency Department, Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Shengyi Shi
- Emergency Department, Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Kehang Mao
- Peking‐Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Center for Quantitative Biology (CQB)Peking UniversityBeijingChina
| | - Haonan Zheng
- Peking‐Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Center for Quantitative Biology (CQB)Peking UniversityBeijingChina
| | - Xuguang Chen
- Emergency Department, Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Hanting Yan
- Emergency Department, Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Yiming Lu
- Emergency Department, Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
- Department of Geriatrics, International Laboratory in Hematology and Cancer, Medical Center on Aging of Shanghai Ruijin Hospital, Shanghai Jiao Tong University School of MedicineRuijin Hospital/CNRS/Inserm/Cote d'Azur UniversityShanghaiChina
- The State Key Laboratory of Medical GenomicsPole Sino‐Francais de Recherche en Sciences Du Vivant et GenomiqueShanghaiChina
| | - Yong Zhou
- Clinical Research Institute, Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Weimin Ye
- School of Public HealthFujian Medical UniversityFuzhouChina
- Department of Medical Epidemiology and BiostatisticsKarolinska InstitutetStockholmSweden
| | - Jing Ye
- Emergency Department, Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
- Department of Geriatrics, International Laboratory in Hematology and Cancer, Medical Center on Aging of Shanghai Ruijin Hospital, Shanghai Jiao Tong University School of MedicineRuijin Hospital/CNRS/Inserm/Cote d'Azur UniversityShanghaiChina
- The State Key Laboratory of Medical GenomicsPole Sino‐Francais de Recherche en Sciences Du Vivant et GenomiqueShanghaiChina
| | - Jing‐Dong J. Han
- Peking‐Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Center for Quantitative Biology (CQB)Peking UniversityBeijingChina
- Peking University Chengdu Academy for Advanced Interdisciplinary BiotechnologiesChengduChina
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20
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Ciaccio AM, Tuttolomondo A. Epigenetics of cerebrovascular diseases: an update review of clinical studies. Epigenomics 2024; 16:1043-1055. [PMID: 39072474 PMCID: PMC11404611 DOI: 10.1080/17501911.2024.2377947] [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: 05/01/2024] [Accepted: 07/05/2024] [Indexed: 07/30/2024] Open
Abstract
Cerebrovascular diseases, especially stroke, are critical and heterogenous clinical conditions associated with high mortality and chronic disability. Genome-wide association studies reveal substantial stroke heritability, though specific genetic variants account for a minor fraction of stroke risk, suggesting an essential role for the epigenome. Epigenome-wide association studies and candidate gene approaches show that DNA methylation patterns significantly influence stroke susceptibility. Additionally, chromatin remodelers and non-coding RNA regulate gene expression in response to ischemic conditions. In this updated review, we summarized the progress of knowledge on epigenetics in the field of ischemic stroke underlying opportunities and challenges.
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Affiliation(s)
- Anna Maria Ciaccio
- Internal Medicine & Stroke Care Ward, PROMISE Department, University of Palermo, Piazza delle Cliniche n.2, 90127, Palermo, Italy
| | - Antonino Tuttolomondo
- Internal Medicine & Stroke Care Ward, PROMISE Department, University of Palermo, Piazza delle Cliniche n.2, 90127, Palermo, Italy
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21
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Bircher JS, Denorme F, Cody MJ, de Araujo CV, Petrey AC, Middleton EA, Campbell RA, Yost CC. Neonatal NET-inhibitory factor inhibits macrophage extracellular trap formation. Blood Adv 2024; 8:3686-3690. [PMID: 38810257 DOI: 10.1182/bloodadvances.2024013094] [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: 03/04/2024] [Revised: 05/06/2024] [Accepted: 05/19/2024] [Indexed: 05/31/2024] Open
Affiliation(s)
- Joseph S Bircher
- Department of Pediatrics, The University of Utah, Salt Lake City, UT
| | - Frederik Denorme
- Department of Emergency Medicine, Washington University School of Medicine, St. Louis, MO
| | - Mark J Cody
- Department of Pediatrics, The University of Utah, Salt Lake City, UT
- Molecular Medicine Program, The University of Utah, Salt Lake City, UT
| | - Claudia V de Araujo
- Department of Pediatrics, The University of Utah, Salt Lake City, UT
- Molecular Medicine Program, The University of Utah, Salt Lake City, UT
| | - Aaron C Petrey
- Molecular Medicine Program, The University of Utah, Salt Lake City, UT
| | - Elizabeth A Middleton
- Molecular Medicine Program, The University of Utah, Salt Lake City, UT
- Department of Internal Medicine, The University of Utah, Salt Lake City, UT
| | - Robert A Campbell
- Department of Emergency Medicine, Washington University School of Medicine, St. Louis, MO
| | - Christian C Yost
- Department of Pediatrics, The University of Utah, Salt Lake City, UT
- Molecular Medicine Program, The University of Utah, Salt Lake City, UT
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22
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Nuszkiewicz J, Kukulska-Pawluczuk B, Piec K, Jarek DJ, Motolko K, Szewczyk-Golec K, Woźniak A. Intersecting Pathways: The Role of Metabolic Dysregulation, Gastrointestinal Microbiome, and Inflammation in Acute Ischemic Stroke Pathogenesis and Outcomes. J Clin Med 2024; 13:4258. [PMID: 39064298 PMCID: PMC11278353 DOI: 10.3390/jcm13144258] [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: 05/16/2024] [Revised: 07/13/2024] [Accepted: 07/20/2024] [Indexed: 07/28/2024] Open
Abstract
Acute ischemic stroke (AIS) remains a major cause of mortality and long-term disability worldwide, driven by complex and multifaceted etiological factors. Metabolic dysregulation, gastrointestinal microbiome alterations, and systemic inflammation are emerging as significant contributors to AIS pathogenesis. This review addresses the critical need to understand how these factors interact to influence AIS risk and outcomes. We aim to elucidate the roles of dysregulated adipokines in obesity, the impact of gut microbiota disruptions, and the neuroinflammatory cascade initiated by lipopolysaccharides (LPS) in AIS. Dysregulated adipokines in obesity exacerbate inflammatory responses, increasing AIS risk and severity. Disruptions in the gut microbiota and subsequent LPS-induced neuroinflammation further link systemic inflammation to AIS. Advances in neuroimaging and biomarker development have improved diagnostic precision. Here, we highlight the need for a multifaceted approach to AIS management, integrating metabolic, microbiota, and inflammatory insights. Potential therapeutic strategies targeting these pathways could significantly improve AIS prevention and treatment. Future research should focus on further elucidating these pathways and developing targeted interventions to mitigate the impacts of metabolic dysregulation, microbiome imbalances, and inflammation on AIS.
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Affiliation(s)
- Jarosław Nuszkiewicz
- Department of Medical Biology and Biochemistry, Faculty of Medicine, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 24 Karłowicza St., 85-092 Bydgoszcz, Poland;
| | - Beata Kukulska-Pawluczuk
- Department of Neurology, Faculty of Medicine, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 9 M. Skłodowskiej—Curie St., 85-094 Bydgoszcz, Poland; (B.K.-P.); (K.P.)
| | - Katarzyna Piec
- Department of Neurology, Faculty of Medicine, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 9 M. Skłodowskiej—Curie St., 85-094 Bydgoszcz, Poland; (B.K.-P.); (K.P.)
| | - Dorian Julian Jarek
- Student Research Club of Medical Biology and Biochemistry, Department of Medical Biology and Biochemistry, Faculty of Medicine, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 24 Karłowicza St., 85-092 Bydgoszcz, Poland;
| | - Karina Motolko
- Student Research Club of Neurology, Department of Neurology, Faculty of Medicine, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 9 M. Skłodowskiej—Curie St., 85-094 Bydgoszcz, Poland;
| | - Karolina Szewczyk-Golec
- Department of Medical Biology and Biochemistry, Faculty of Medicine, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 24 Karłowicza St., 85-092 Bydgoszcz, Poland;
| | - Alina Woźniak
- Department of Medical Biology and Biochemistry, Faculty of Medicine, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 24 Karłowicza St., 85-092 Bydgoszcz, Poland;
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Vandelanotte S, De Meyer SF. Acute Ischemic Stroke Thrombus Composition. Neuroscience 2024; 550:11-20. [PMID: 38185279 DOI: 10.1016/j.neuroscience.2023.12.010] [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: 10/27/2023] [Revised: 12/18/2023] [Accepted: 12/20/2023] [Indexed: 01/09/2024]
Abstract
Ischemic stroke is caused by a thrombus blocking one or multiple arteries in the brain, resulting in irreversible damage in the associated brain tissue. The aim of therapy is to restore the blood flow as fast as possible. Two recanalization strategies are currently available: pharmacological thrombolysis using recombinant tissue plasminogen activator (rt-PA) and mechanical removal of the thrombus. Despite recent advancements, achieving efficient recanalization remains a challenge. The precise causes of therapy failure are not fully understood but thrombus composition is likely a key factor in successful recanalization. This review explores acute ischemic stroke thrombus composition, its recently identified components, and how it affects stroke treatment. It also discusses how new insights could enhance current recanalization strategies for ischemic stroke patients.
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Affiliation(s)
| | - Simon F De Meyer
- Laboratory for Thrombosis Research, KU Leuven Kulak, Kortrijk, Belgium.
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Huang Y, Wang X, Li Z, Yin X. A novel nutritional inflammation index for predicting mortality in acute ischemic stroke patients: insights into advanced lung cancer inflammation index from the Medical Information Mart for Intensive Care-IV database. Front Nutr 2024; 11:1408372. [PMID: 39036488 PMCID: PMC11257925 DOI: 10.3389/fnut.2024.1408372] [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: 03/28/2024] [Accepted: 06/26/2024] [Indexed: 07/23/2024] Open
Abstract
Objective This investigation aimed to delineate the association between the advanced lung cancer inflammation index (ALI) and all-cause mortality (ACM) in individuals experiencing acute ischemic stroke (AIS). Methods Drawing on information from the Medical Information Mart for Intensive Care (MIMIC)-IV database, release 2.2, covering the years 2012 to 2019, this research assessed the advanced lung cancer inflammation index (ALI) by factoring in body mass index (BMI), serum albumin levels (ALB), and the neutrophil-to-lymphocyte ratio (NLR). Patients with AIS were identified using codes from the International Classification of Diseases (ICD). To address potential confounding factors, a 1:1 propensity score matching (PSM) method was utilized. The investigation identified the pivotal ALI level impacting patient survival using maximally selected rank statistics. It then examined the effects on short- and long-term ACM through multivariate Cox proportional hazards regression models and Kaplan-Meier (K-M) survival analysis. Additionally, restricted cubic spline (RCS) methods were applied to delve into the linear or nonlinear nature of the relationship between ALI and ACM, with further insights gained from interaction and subgroup analyses. Results The cohort comprised 838 AIS patients. Post-PSM, analysis involved 199 matched patient pairs. Adjusted Cox proportional hazard models indicated a significant association of low ALI (<10.38) with increased in-hospital ACM, both before (HR: 1.98; 95% CI: 1.36-2.88; p < 0.001) and after PSM (HR: 2.16; 95% CI: 1.32-3.52; p = 0.002). Associations of low ALI with elevated risk were consistent across ICU, 30 days, 90 days, and 1 year ACM pre- and post-PSM. Subsequent RCS analysis post-PSM underscored a negative nonlinear relationship between ALI and ACM over both short and long terms, without significant interaction effects across different subgroups for ACM. Conclusion In this retrospective cohort study, by utilizing a nationally representative sample of United States patients with AIS, our analysis elucidates a negative correlation between the ALI and ACM in individuals with AIS, underscoring the utility of ALI as a novel, efficacious, and accessible inflammatory biomarker for prognosticating ACM. These results carry profound implications for public health policy and practice. A deeper comprehension of these associations can empower public health practitioners and researchers to devise more targeted interventions and policies, aimed specifically at catering to the distinct needs of the AIS patient population, thereby enhancing their health outcomes. The further research in other races/ethnicity is urgent, particularly before applying these findings in clinical practice.
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Affiliation(s)
- Yongwei Huang
- Department of Neurosurgery, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang, China
| | - Xiaoyi Wang
- Department of Neurosurgery, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang, China
| | - Zongping Li
- Department of Neurosurgery, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang, China
| | - Xiaoshuang Yin
- Department of Immunology, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang, China
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Li X, Ma Y, Wang D. The role of P-selectin/PSGL-1 in regulating NETs as a novel mechanism in cerebral ischemic injury. Front Neurol 2024; 15:1442613. [PMID: 39022737 PMCID: PMC11252044 DOI: 10.3389/fneur.2024.1442613] [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: 06/02/2024] [Accepted: 06/20/2024] [Indexed: 07/20/2024] Open
Abstract
In recent years, substantial advancements have been made in understanding the pathophysiology of ischemic stroke. Despite these developments, therapeutic options for cerebral ischemia remain limited due to stringent time windows and various contraindications. Consequently, there has been a concentrated effort to elucidate the underlying mechanisms of cerebral ischemic injury. Emerging research indicates that neutrophil extracellular traps (NETs) exacerbate inflammation and damage in ischemic brain tissue, contributing to neuronal cell death. The inhibition of NETs has shown potential in preventing thrombosis and the infiltration of immune cells. Central to the formation of NETs are P-selectin and its ligand, P-selectin glycoprotein ligand-1 (PSGL-1), which represent promising therapeutic targets. This review explores the detrimental impact of P-selectin, PSGL-1, and NETs on cerebral ischemia. Additionally, it delineates the processes by which P-selectin and PSGL-1 stimulate NETs production and provides evidence that blocking these molecules reduces NETs formation. This novel insight highlights a potential therapeutic avenue that warrants further investigation by researchers in the field.
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Affiliation(s)
- Xiao Li
- Henan University of Chinese Medicine, Zhengzhou, China
| | - Yamin Ma
- Nanyang Hospital of Traditional Chinese Medicine, Nanyang, China
| | - Dongbin Wang
- Shenzhen Pingle Orthopedic Hospital (Shenzhen Pingshan Traditional Chinese Medicine Hospital), Shenzhen, China
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Qin L, Li S, Cao X, Huang T, Liu Y, Chen O. Potential diagnostic biomarkers for immunogenic cell death in elderly female patients with ischemic stroke: identification and analysis. Sci Rep 2024; 14:14553. [PMID: 38914792 PMCID: PMC11196739 DOI: 10.1038/s41598-024-65390-w] [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: 03/11/2024] [Accepted: 06/19/2024] [Indexed: 06/26/2024] Open
Abstract
Ischemic stroke (IS) is of increasing concern given the aging population and prevalence of unhealthy lifestyles, with older females exhibiting higher susceptibility. This study aimed to identify practical diagnostic markers, develop a diagnostic model for immunogenic cell death (ICD)-associated IS, and investigate alterations in the immune environment caused by hub genes. Differentially expressed genes associated with ICD in IS were identified based on weighted gene co-expression network analysis and the identification of significant modules. Subsequently, machine learning algorithms were employed to screened hub genes, which were further assessed using Gene Ontology, Kyoto Encyclopedia of Genes and Genomes, and Gene Set Enrichment Analysis. A nomogram mode lwas then constructed for IS diagnosis, and its diagnostic value was assessed using a receiver operating characteristic curve. Finally, alterations in immune cell infiltration were assessed within patients with IS, and the pan-cancer expression patterns of hub genes were evaluated. Three hub genes associated with ICD (PDK4, CCL20, and FBL) were identified. The corresponding nomogram model for IS diagnosis could effectively identify older female patients with IS (area under the curve (AUC) = 0.9555). Overall, the three hub genes exhibit good diagnostic value (AUC > 0.8). CCL20 and FBL are significantly associated with the extent of immune cells infiltration. Moreover, a strong link exists between hub gene expression and pan-cancer prognosis. Cumulatively, these results indicate that ICD-related hub genes critically influence IS progression in older females, presenting novel diagnostic and therapeutic targets for personalized treatment.
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Affiliation(s)
- Lihua Qin
- School of Nursing, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China
- Key Laboratory of Hunan Province for Prevention and Treatment of Integrated Traditional Chinese and Western Medicine On Cardiocerebral Diseases, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China
| | - Sheng Li
- Key Laboratory of Hunan Province for Prevention and Treatment of Integrated Traditional Chinese and Western Medicine On Cardiocerebral Diseases, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China
| | - Xi Cao
- School of Nursing, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China
| | - Tengjia Huang
- School of Nursing, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China
| | - Yixin Liu
- School of Nursing, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China
| | - Ouying Chen
- School of Nursing, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China.
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Martinod K, Denorme F, Meyers S, Crescente M, Van Bruggen S, Stroobants M, Siegel PM, Grandhi R, Glatz K, Witsch T. Involvement of peptidylarginine deiminase 4 in eosinophil extracellular trap formation and contribution to citrullinated histone signal in thrombi. J Thromb Haemost 2024; 22:1649-1659. [PMID: 38395360 DOI: 10.1016/j.jtha.2024.02.010] [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: 07/12/2023] [Revised: 02/10/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024]
Abstract
BACKGROUND Extracellular traps formed by neutrophils (NETs) and eosinophils (EETs) have been described in coronary thrombi, contributing to thrombus stability. A key mechanism during NET formation is histone modification by the enzyme PAD4. Citrullinated histones, the product of PAD4 activity, are often attributed to neutrophils. Eosinophils also express high levels of PAD4. OBJECTIVES We aimed to explore the contribution of PAD4 to EET formation. METHODS We performed immunohistological analyses on thrombi, including a large, intact, and eosinophil-containing thrombus retrieved from the right coronary artery using an aspiration catheter and stroke thrombi from thrombectomy retrieval. We studied eosinophils for their capability to form PAD4-dependent EETs in response to strong ET-inducing agonists as well as activated platelets and bacteria. RESULTS Histopathology and immunofluorescence microscopy identified a coronary thrombus rich in platelets and neutrophils, with distinct areas containing von Willebrand factor and citrullinated histone H3 (H3Cit). Eosinophils were also identified in leukocyte-rich areas. The majority of the H3Cit+ signal colocalized with myeloperoxidase, but some colocalized with eosinophil peroxidase, indicating EETs. Eosinophils isolated from healthy volunteers produced H3Cit+ EETs, indicating an involvement of PAD4 activity. The selective PAD4 inhibitor GSK484 blocked this process, supporting PAD4 dependence of H3Cit+ EET release. Citrullinated histones were also present in EETs produced in response to live Staphylococci. However, limited evidence for EETs was found in mouse models of venous thrombosis or infective endocarditis. CONCLUSION As in NETosis, PAD4 can catalyze the formation of EETs. Inhibition of PAD4 decreases EET formation, supporting the future utility of PAD4 inhibitors as possible antithrombotic agents.
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Affiliation(s)
- Kimberly Martinod
- Center for Molecular and Vascular Biology, Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium.
| | - Frederik Denorme
- Division of Vascular Neurology, Department of Neurology, University of Utah, Salt Lake City, Utah, USA
| | - Severien Meyers
- Center for Molecular and Vascular Biology, Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
| | - Marilena Crescente
- Center for Molecular and Vascular Biology, Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
| | - Stijn Van Bruggen
- Center for Molecular and Vascular Biology, Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
| | - Mathias Stroobants
- Center for Molecular and Vascular Biology, Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
| | - Patrick M Siegel
- Department of Cardiology and Angiology I, University Heart Center Freiburg-Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Ramesh Grandhi
- Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah, USA
| | - Katharina Glatz
- Institute of Pathology, University Hospital Basel, Basel, Switzerland
| | - Thilo Witsch
- Department of Cardiology and Angiology I, University Heart Center Freiburg-Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany; Department of Cardiology, University Hospital Basel, University of Basel, Basel, Switzerland.
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Lin F, Li G, Lu J, Han H, Zhang R, Zhu H, Zhao W. Improving stroke prognosis by TLR4 KO to enhance N2 neutrophil infiltration and reduce M1 macrophage polarization. Cell Biochem Funct 2024; 42:e4059. [PMID: 38773900 DOI: 10.1002/cbf.4059] [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: 03/12/2024] [Revised: 05/06/2024] [Accepted: 05/13/2024] [Indexed: 05/24/2024]
Abstract
Cerebral ischemic stroke remains a leading cause of mortality and morbidity worldwide. Toll-like receptor 4 (TLR4) has been implicated in neuroinflammatory responses poststroke, particularly in the infiltration of immune cells and polarization of macrophages. This study aimed to elucidate the impact of TLR4 deficiency on neutrophil infiltration and subsequent macrophage polarization after middle cerebral artery occlusion (MCAO), exploring its role in stroke prognosis. The objective was to investigate how TLR4 deficiency influences neutrophil behavior poststroke, its role in macrophage polarization, and its impact on stroke prognosis using murine models. Wild-type and TLR4-deficient adult male mice underwent MCAO induction, followed by various analyses, including flow cytometry to assess immune cell populations, bone marrow transplantation experiments to evaluate TLR4-deficient neutrophil behaviors, and enzyme-linked immunosorbent assay and Western blot analysis for cytokine and protein expression profiling. Neurobehavioral tests and infarct volume analysis were performed to assess the functional and anatomical prognosis poststroke. TLR4-deficient mice exhibited reduced infarct volumes, increased neutrophil infiltration, and reduced M1-type macrophage polarization post-MCAO compared to wild-type mice. Moreover, the depletion of neutrophils reversed the neuroprotective effects observed in TLR4-deficient mice, suggesting the involvement of neutrophils in mediating TLR4's protective role. Additionally, N1-type neutrophils were found to promote M1 macrophage polarization via neutrophil gelatinase-associated lipocalin (NGAL) secretion, a process blocked by TLR4 deficiency. The study underscores the protective role of TLR4 deficiency in ischemic stroke, delineating its association with increased N2-type neutrophil infiltration, diminished M1 macrophage polarization, and reduced neuroinflammatory responses. Understanding the interplay between TLR4, neutrophils, and macrophages sheds light on potential therapeutic targets for stroke management, highlighting TLR4 as a promising avenue for intervention in stroke-associated neuroinflammation and tissue damage.
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Affiliation(s)
- Fuhong Lin
- Department of Neurology, Affiliated Hospital of Chifeng University, Chifeng, Inner Mongolia, China
| | - Guoli Li
- Department of Neurology, Affiliated Hospital of Chifeng University, Chifeng, Inner Mongolia, China
| | - Jun Lu
- Department of Neurology, Affiliated Hospital of Chifeng University, Chifeng, Inner Mongolia, China
| | - Huihui Han
- Department of Neurology, Affiliated Hospital of Chifeng University, Chifeng, Inner Mongolia, China
| | - Ran Zhang
- Department of Neurology, Affiliated Hospital of Chifeng University, Chifeng, Inner Mongolia, China
| | - Haoran Zhu
- Department of Neurology, Affiliated Hospital of Chifeng University, Chifeng, Inner Mongolia, China
| | - Weili Zhao
- Department of Neurology, Affiliated Hospital of Chifeng University, Chifeng, Inner Mongolia, China
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Zhu X, Lan L, Liu Y, He N, Wu J, Guo Y, Li H, Li D. Thrombo-inflammatory prognostic score can predict the outcome of stroke: a retrospective cohort study. Front Aging Neurosci 2024; 16:1391559. [PMID: 38872624 PMCID: PMC11169932 DOI: 10.3389/fnagi.2024.1391559] [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: 02/26/2024] [Accepted: 05/16/2024] [Indexed: 06/15/2024] Open
Abstract
Introduction Inflammatory and thrombotic biomarkers are simple prognostic indicators of adverse clinical outcomes in patients with ischemic stroke (IS). However, isolated assessment of inflammatory or thrombus biomarkers in patients with IS is limited in clinical practice. Methods This study aimed to evaluate the predictive value of a novel, simplified thrombo-inflammatory prognostic score (TIPS) that combines both inflammatory and thrombus biomarkers in the early phase of IS and to identify high-risk patients at the time of admission. The study population comprised 915 patients with a primary diagnosis of IS in the emergency departments of five grade A tertiary hospitals in China. Results Patients were divided into two groups based on the modified Rankin Scale (mRS): <3 and ≥3. TIPS with a value of "2" indicates biomarkers for high inflammation and thrombosis, "1" represents a biomarker, and "0" signals the absence of a biomarker. Multivariate logistic regression analysis was employed to identify the association between TIPS and clinical outcomes. TIPS was an independent predictor of unfavorable functional outcomes and mortality. It had a superior predictive value for clinical outcomes compared to the National Institutes of Health Stroke Scale (NIHSS) (effect ratio, 37.5%), D-dimer (effect ratio, 12.5%), and neutrophil-to-lymphocyte ratio (effect ratio, 25%). Conclusion The survival probability of TIPS with a score of 0 is twice as high as that of TIPS with a score of 2. The survival rate for TIPS with a score of 1 is one time higher than that for TIPS with a score of 2. The predictive value of TIPS for unfavorable functional outcomes is represented by an AUC of 0.653. TIPS is associated with an increased risk of death and unfavorable functional outcomes in patients with IS and may be a useful tool for identifying high-risk patients at the time of admission.
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Affiliation(s)
- Xingyu Zhu
- Department of Cardiovascular Surgery, West China School of Medicine, West China Hospital, Sichuan University, Chengdu, China
- Cardiovascular Surgery Research Laboratory, West China Hospital, Sichuan University, Chengdu, China
| | - Lin Lan
- Department of Emergency Medicine, West China School of Nursing, West China Hospital, Sichuan University, Chengdu, China
- Nursing Key Laboratory of Sichuan Province, Chengdu, China
| | - Yi Liu
- Department of Emergency Medicine, West China School of Nursing, West China Hospital, Sichuan University, Chengdu, China
- Nursing Key Laboratory of Sichuan Province, Chengdu, China
| | - Na He
- Department of Emergency Medicine, West China School of Nursing, West China Hospital, Sichuan University, Chengdu, China
- Nursing Key Laboratory of Sichuan Province, Chengdu, China
| | - Jie Wu
- Department of Emergency Medicine, West China Tianfu Hospital, West China Hospital, Sichuan University, Chengdu, China
| | - Yingqiang Guo
- Department of Cardiovascular Surgery, West China School of Medicine, West China Hospital, Sichuan University, Chengdu, China
- Cardiovascular Surgery Research Laboratory, West China Hospital, Sichuan University, Chengdu, China
| | - Hong Li
- Department of Emergency Medicine, West China School of Nursing, West China Hospital, Sichuan University, Chengdu, China
- Nursing Key Laboratory of Sichuan Province, Chengdu, China
| | - Dongze Li
- Department of Emergency Medicine, West China School of Nursing, West China Hospital, Sichuan University, Chengdu, China
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Qin W, Li Y, Cui J, Yu B, Yu L, Yang C. Neutrophil extracellular traps as a unique target in the treatment of inflammatory pain. Biochem Biophys Res Commun 2024; 710:149896. [PMID: 38604072 DOI: 10.1016/j.bbrc.2024.149896] [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: 01/18/2024] [Revised: 03/26/2024] [Accepted: 04/04/2024] [Indexed: 04/13/2024]
Abstract
Pain is a widespread motivation for seeking healthcare and stands as a substantial global public health concern. Despite comprehensive investigations into the mechanisms of pain sensitization induced by inflammation, efficacious treatments options remain scarce. Neutrophil extracellular traps (NETs) have been associated with the progression and tissue damage of diverse inflammatory diseases. This study aims to explore the impact of NETs on the progression of inflammatory pain and explore potential therapeutic approaches. Initially, we observed neutrophil infiltration and the formation of NETs in the left hind paw of mice with inflammatory pain induced by complete Freund's adjuvant (CFA). Furthermore, we employed the peptidyl arginine deiminase 4 (PAD4) inhibitor Cl-amidine (diluted at 50 mg/kg in saline, administered via tail vein injection once daily for three days) to impede NETs formation and administered DNase1 (diluted at 10 mg/kg in saline, once daily for three days) to break down NETs. We investigated the pathological importance of peripheral NETs formation in inflammatory pain and its influence on the activation of spinal dorsal horn microglia. The findings indicate that neutrophils infiltrating locally generate NETs, leading to an increased release of inflammatory mediators that worsen peripheral inflammatory reactions. Consequently, this results in the transmission of more harmful peripheral stimuli to the spinal cord, triggering microglial activation and NF-κB phosphorylation, thereby escalating neuroinflammation and fostering pain sensitization. Suppression of peripheral NETs can mitigate peripheral inflammation in mice with inflammatory pain, reverse mechanical and thermal hypersensitivity by suppressing microglial activation in the spinal cord, ultimately diminishing inflammatory pain. In conclusion, these discoveries propose that obstructing or intervening with NETs introduces a novel therapeutic avenue for addressing inflammatory pain.
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Affiliation(s)
- Wanxiang Qin
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China; Department of Pain Medicine, The First Affiliated Hospital, Army Medical University, Chongqing, 400038, China
| | - Yuping Li
- Department of Pain Medicine, The First Affiliated Hospital, Army Medical University, Chongqing, 400038, China
| | - Jian Cui
- Department of Pain Medicine, The First Affiliated Hospital, Army Medical University, Chongqing, 400038, China
| | - Bao Yu
- College of Traditional Chinese Medicine, Chongqing College of Traditional Chinese Medicine, Chongqing, 402760, China
| | - Lehua Yu
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China.
| | - Congwen Yang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China; Chongqing Key Laboratory of Traditional Chinese Medicine for Prevention and Cure of Metabolic Diseases, Chongqing Medical University, Chongqing, 400016, China.
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31
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Aries M, Cook M, Hensley-McBain T. A Pilot Study to Investigate Peripheral Low-Level Chronic LPS Injection as a Model of Neutrophil Activation in the Periphery and Brain in Mice. Int J Mol Sci 2024; 25:5357. [PMID: 38791393 PMCID: PMC11120811 DOI: 10.3390/ijms25105357] [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: 03/05/2024] [Revised: 04/20/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
Lipopolysaccharide-induced (LPS) inflammation is used as model to understand the role of inflammation in brain diseases. However, no studies have assessed the ability of peripheral low-level chronic LPS to induce neutrophil activation in the periphery and brain. Subclinical levels of LPS were injected intraperitoneally into mice to investigate its impacts on neutrophil frequency and activation. Neutrophil activation, as measured by CD11b expression, was higher in LPS-injected mice compared to saline-injected mice after 4 weeks but not 8 weeks of injections. Neutrophil frequency and activation increased in the periphery 4-12 h and 4-8 h after the fourth and final injection, respectively. Increased levels of G-CSF, TNFa, IL-6, and CXCL2 were observed in the plasma along with increased neutrophil elastase, a marker of neutrophil extracellular traps, peaking 4 h following the final injection. Neutrophil activation was increased in the brain of LPS-injected mice when compared to saline-injected mice 4-8 h after the final injection. These results indicate that subclinical levels of peripheral LPS induces neutrophil activation in the periphery and brain. This model of chronic low-level systemic inflammation could be used to understand how neutrophils may act as mediators of the periphery-brain axis of inflammation with age and/or in mouse models of neurodegenerative or neuroinflammatory disease.
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Affiliation(s)
- Michelle Aries
- McLaughlin Research Institute, Great Falls, MT 59405, USA; (M.A.)
| | - Makayla Cook
- McLaughlin Research Institute, Great Falls, MT 59405, USA; (M.A.)
| | - Tiffany Hensley-McBain
- McLaughlin Research Institute, Great Falls, MT 59405, USA; (M.A.)
- Department of Basic Sciences, Touro College of Osteopathic Medicine Montana, Great Falls, MT 59405, USA
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Li J, Wang Z, Li J, Zhao H, Ma Q. HMGB1: A New Target for Ischemic Stroke and Hemorrhagic Transformation. Transl Stroke Res 2024:10.1007/s12975-024-01258-5. [PMID: 38740617 DOI: 10.1007/s12975-024-01258-5] [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: 02/29/2024] [Revised: 04/27/2024] [Accepted: 05/01/2024] [Indexed: 05/16/2024]
Abstract
Stroke in China is distinguished by its high rates of morbidity, recurrence, disability, and mortality. The ultra-early administration of rtPA is essential for restoring perfusion in acute ischemic stroke, though it concurrently elevates the risk of hemorrhagic transformation. High-mobility group box 1 (HMGB1) emerges as a pivotal player in neuroinflammation after brain ischemia and ischemia-reperfusion. Released passively by necrotic cells and actively secreted, including direct secretion of HMGB1 into the extracellular space and packaging of HMGB1 into intracellular vesicles by immune cells, glial cells, platelets, and endothelial cells, HMGB1 represents a prototypical damage-associated molecular pattern (DAMP). It is intricately involved in the pathogenesis of atherosclerosis, thromboembolism, and detrimental inflammation during the early phases of ischemic stroke. Moreover, HMGB1 significantly contributes to neurovascular remodeling and functional recovery in later stages. Significantly, HMGB1 mediates hemorrhagic transformation by facilitating neuroinflammation, directly compromising the integrity of the blood-brain barrier, and enhancing MMP9 secretion through its interaction with rtPA. As a systemic inflammatory factor, HMGB1 is also implicated in post-stroke depression and an elevated risk of stroke-associated pneumonia. The role of HMGB1 extends to influencing the pathogenesis of ischemia by polarizing various subtypes of immune and glial cells. This includes mediating excitotoxicity due to excitatory amino acids, autophagy, MMP9 release, NET formation, and autocrine trophic pathways. Given its multifaceted role, HMGB1 is recognized as a crucial therapeutic target and prognostic marker for ischemic stroke and hemorrhagic transformation. In this review, we summarize the structure and redox properties, secretion and pathways, regulation of immune cell activity, the role of pathophysiological mechanisms in stroke, and hemorrhage transformation for HMGB1, which will pave the way for developing new neuroprotective drugs, reduction of post-stroke neuroinflammation, and expansion of thrombolysis time window.
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Affiliation(s)
- Jiamin Li
- Department of Neurology and Cerebrovascular Diseases Research Institute, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, China
| | - Zixin Wang
- Department of Neurology and Cerebrovascular Diseases Research Institute, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, China
| | - Jiameng Li
- Department of Neurology and Cerebrovascular Diseases Research Institute, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, China
| | - Haiping Zhao
- Department of Neurology and Cerebrovascular Diseases Research Institute, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, China.
| | - Qingfeng Ma
- Department of Neurology and Cerebrovascular Diseases Research Institute, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, China.
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Chen Q, Wu M, Tang Q, Yan P, Zhu L. Age-Related Alterations in Immune Function and Inflammation: Focus on Ischemic Stroke. Aging Dis 2024; 15:1046-1074. [PMID: 37728582 PMCID: PMC11081165 DOI: 10.14336/ad.2023.0721-1] [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: 05/03/2023] [Accepted: 07/21/2023] [Indexed: 09/21/2023] Open
Abstract
The aging of the global population poses significant scientific challenges. Moreover, the biological process of aging is the most significant risk factor for most chronic illnesses; therefore, understanding the molecular and cellular mechanisms underlying these aging-related challenges is crucial for extending the healthy lifespan of older individuals. Preventing brain aging remains a priority public health goal, and integrative and comprehensive aging analyses have revealed that immunosenescence is a potential cause of age-related brain damage and disease (e.g., stroke). Importantly, the neuroinflammatory and immune systems present two-way contact and thus can affect each other. Emerging evidence supports the numerous effects of immunosenescence- and inflammation-mediated immunity in neurologically injured brains. In this study, we briefly outline how aging alters the pathophysiology and transcriptional amplitude in patients who experienced stroke and then discuss how the immune system and its cellular components and molecular mechanisms are affected by age after stroke. Finally, we highlight emerging interventions with the potential to slow down or reduce aging and prevent stroke onset.
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Affiliation(s)
- Qiuxin Chen
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Minmin Wu
- Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Qiang Tang
- The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Peiyu Yan
- Faculty of Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Macau 999078, China
| | - Luwen Zhu
- The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin 150000, China
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Tuz AA, Ghosh S, Karsch L, Ttoouli D, Sata SP, Ulusoy Ö, Kraus A, Hoerenbaum N, Wolf JN, Lohmann S, Zwirnlein F, Kaygusuz V, Lakovic V, Tummes HL, Beer A, Gallert M, Thiebes S, Qefalia A, Cibir Z, Antler M, Korste S, Haj Yehia E, Michel L, Rassaf T, Kaltwasser B, Abdelrahman H, Mohamud Yusuf A, Wang C, Yin D, Haeusler L, Lueong S, Richter M, Engel DR, Stenzel M, Soehnlein O, Frank B, Solo-Nomenjanahary M, Ho-Tin-Noé B, Siveke JT, Totzeck M, Hoffmann D, Grüneboom A, Hagemann N, Hasenberg A, Desilles JP, Mazighi M, Sickmann A, Chen J, Hermann DM, Gunzer M, Singh V. Stroke and myocardial infarction induce neutrophil extracellular trap release disrupting lymphoid organ structure and immunoglobulin secretion. NATURE CARDIOVASCULAR RESEARCH 2024; 3:525-540. [PMID: 39195931 PMCID: PMC11358010 DOI: 10.1038/s44161-024-00462-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 03/12/2024] [Indexed: 08/29/2024]
Abstract
Post-injury dysfunction of humoral immunity accounts for infections and poor outcomes in cardiovascular diseases. Among immunoglobulins (Ig), IgA, the most abundant mucosal antibody, is produced by plasma B cells in intestinal Peyer's patches (PP) and lamina propria. Here we show that patients with stroke and myocardial ischemia (MI) had strongly reduced IgA blood levels. This was phenocopied in experimental mouse models where decreased plasma and fecal IgA were accompanied by rapid loss of IgA-producing plasma cells in PP and lamina propria. Reduced plasma IgG was detectable in patients and experimental mice 3-10 d after injury. Stroke/MI triggered the release of neutrophil extracellular traps (NETs). Depletion of neutrophils, NET degradation or blockade of NET release inhibited the loss of IgA+ cells and circulating IgA in experimental stroke and MI and in patients with stroke. Our results unveil how tissue-injury-triggered systemic NET release disrupts physiological Ig secretion and how this can be inhibited in patients.
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Affiliation(s)
- Ali A Tuz
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Susmita Ghosh
- Leibniz-Institut für Analytische Wissenschaften - ISAS-e.V., Dortmund, Germany
| | - Laura Karsch
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Dimitris Ttoouli
- Bioinformatics and Computational Biophysics, Faculty of Biology and Centre for Medical Biotechnology (ZMB), University of Duisburg-Essen, Essen, Germany
| | - Sai P Sata
- Leibniz-Institut für Analytische Wissenschaften - ISAS-e.V., Dortmund, Germany
| | - Özgür Ulusoy
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Andreas Kraus
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Nils Hoerenbaum
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Jan-Niklas Wolf
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Sabrina Lohmann
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Franziska Zwirnlein
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Viola Kaygusuz
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Vivian Lakovic
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Hannah-Lea Tummes
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Alexander Beer
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Markus Gallert
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Stephanie Thiebes
- Department of Immunodynamics, Institute of Experimental Immunology and Imaging, University Hospital Essen, Essen, Germany
| | - Altea Qefalia
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Zülal Cibir
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Medina Antler
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Sebastian Korste
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Elias Haj Yehia
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Lars Michel
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Tienush Rassaf
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Britta Kaltwasser
- Department of Neurology, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Hossam Abdelrahman
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Ayan Mohamud Yusuf
- Department of Neurology, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Chen Wang
- Department of Neurology, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Dongpei Yin
- Department of Neurology, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Lars Haeusler
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Smiths Lueong
- Division of Solid Tumor Translational Oncology, German Cancer Consortium (DKTK, partner site Essen), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Mathis Richter
- Institute for Experimental Pathology (ExPat), Center for Molecular Biology of Inflammation (ZMBE), Universität Münster, Münster, Germany
| | - Daniel R Engel
- Department of Immunodynamics, Institute of Experimental Immunology and Imaging, University Hospital Essen, Essen, Germany
| | - Martin Stenzel
- Leibniz-Institut für Analytische Wissenschaften - ISAS-e.V., Dortmund, Germany
| | - Oliver Soehnlein
- Institute for Experimental Pathology (ExPat), Center for Molecular Biology of Inflammation (ZMBE), Universität Münster, Münster, Germany
| | - Benedikt Frank
- Department of Neurology, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Mialitiana Solo-Nomenjanahary
- Optimisation Thérapeutique en Neuropsychopharmacologie, Université Paris Cité, U1144 Institut National de la Santé et de la Recherche Médicale (INSERM), Paris, France
| | - Benoît Ho-Tin-Noé
- Optimisation Thérapeutique en Neuropsychopharmacologie, Université Paris Cité, U1144 Institut National de la Santé et de la Recherche Médicale (INSERM), Paris, France
| | - Jens T Siveke
- Division of Solid Tumor Translational Oncology, German Cancer Consortium (DKTK, partner site Essen), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Matthias Totzeck
- Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Daniel Hoffmann
- Bioinformatics and Computational Biophysics, Faculty of Biology and Centre for Medical Biotechnology (ZMB), University of Duisburg-Essen, Essen, Germany
| | - Anika Grüneboom
- Leibniz-Institut für Analytische Wissenschaften - ISAS-e.V., Dortmund, Germany
| | - Nina Hagemann
- Department of Neurology, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Anja Hasenberg
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Jean-Philippe Desilles
- Optimisation Thérapeutique en Neuropsychopharmacologie, Université Paris Cité, U1144 Institut National de la Santé et de la Recherche Médicale (INSERM), Paris, France
- Interventional Neuroradiology Department and Biological Resources Center, Rothschild Foundation Hospital, Paris, France
| | - Mikael Mazighi
- Optimisation Thérapeutique en Neuropsychopharmacologie, Université Paris Cité, U1144 Institut National de la Santé et de la Recherche Médicale (INSERM), Paris, France
- Interventional Neuroradiology Department and Biological Resources Center, Rothschild Foundation Hospital, Paris, France
| | - Albert Sickmann
- Leibniz-Institut für Analytische Wissenschaften - ISAS-e.V., Dortmund, Germany
- Medizinisches Proteom-Center, Ruhr-Universität Bochum, Bochum, Germany
- Department of Chemistry, College of Physical Sciences, University of Aberdeen, Aberdeen, UK
| | - Jianxu Chen
- Leibniz-Institut für Analytische Wissenschaften - ISAS-e.V., Dortmund, Germany
| | - Dirk M Hermann
- Department of Neurology, University Hospital, University of Duisburg-Essen, Essen, Germany
| | - Matthias Gunzer
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany.
- Leibniz-Institut für Analytische Wissenschaften - ISAS-e.V., Dortmund, Germany.
| | - Vikramjeet Singh
- Institute for Experimental Immunology and Imaging, University Hospital, University of Duisburg-Essen, Essen, Germany.
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35
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Kawano T, Mackman N. Cancer patients and ischemic stroke. Thromb Res 2024; 237:155-162. [PMID: 38603819 DOI: 10.1016/j.thromres.2024.03.019] [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: 12/26/2023] [Revised: 02/26/2024] [Accepted: 03/18/2024] [Indexed: 04/13/2024]
Abstract
Patients with cancer have an increased risk of ischemic stroke compared to the general population. Additionally, these patients have a worse prognosis compared to stroke patients without cancer. Activation of coagulation appears to play a key role in the pathophysiology of ischemic stroke in patients with cancer. However, the underlying mechanisms remain unknown. Moreover, we do not have a way to identify cancer patients with a high risk of stroke and cannot develop prevention strategies. Therefore, there is an urgent need for neurologists and oncologists to develop screening and prevention strategies for stroke in patients with cancer. In this review, we summarize the characteristics of cancer patients at a high risk of stroke, the predictors for the development of stroke and survival in cancer patients, and possible treatments.
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Affiliation(s)
- Tomohiro Kawano
- Department of Neurology, Kano general hospital, Osaka, Japan
| | - Nigel Mackman
- UNC Blood Research Center, Division of Hematology, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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36
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Yin N, Wang W, Pei F, Zhao Y, Liu C, Guo M, Zhang K, Zhang Z, Shi J, Zhang Y, Wang Z, Liu J. A Neutrophil Hijacking Nanoplatform Reprograming NETosis for Targeted Microglia Polarizing Mediated Ischemic Stroke Treatment. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305877. [PMID: 38444306 PMCID: PMC11077645 DOI: 10.1002/advs.202305877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 01/02/2024] [Indexed: 03/07/2024]
Abstract
Precise and efficient regulation of microglia is vital for ischemic stroke therapy and prognosis. The infiltration of neutrophils into the brain provides opportunities for regulatory drugs across the blood-brain barrier, while hindered by neutrophil extracellular traps (NETs) and targeted delivery of intracerebral drugs to microglia. This study reports an efficient neutrophil hijacking nanoplatform (referred to as APTS) for targeted A151 (a telomerase repeat sequence) delivery to microglia without the generation of NETs. In the middle cerebral artery occlusion (MCAO) mouse model, the delivery efficiency to ischemic stroke tissues increases by fourfold. APTS dramatically reduces the formation of NETs by 2.2-fold via reprogramming NETosis to apoptosis in neutrophils via a reactive oxygen species scavenging-mediated citrullinated histone 3 inhibition pathway. Noteworthy, A151 within neutrophils is repackaged into apoptotic bodies following the death pattern reprogramming, which, when engulfed by microglia, polarizes microglia to an anti-inflammatory M2 phenotype. After four times treatment, the cerebral infarction area in the APTS group decreases by 5.1-fold. Thus, APTS provides a feasible, efficient, and practical drug delivery approach for reshaping the immune microenvironment and treating brain disorders in the central nervous system.
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Affiliation(s)
- Na Yin
- School of Pharmaceutical SciencesZhengzhou UniversityZhengzhou450001China
- Henan Key Laboratory of Targeting Therapy and Diagnosis for Critical DiseasesZhengzhou UniversityZhengzhou450001China
- Collaborative Innovation Center of New Drug Research and Safety EvaluationZhengzhou UniversityZhengzhou450001China
| | - Wenya Wang
- School of Pharmaceutical SciencesZhengzhou UniversityZhengzhou450001China
- Henan Key Laboratory of Targeting Therapy and Diagnosis for Critical DiseasesZhengzhou UniversityZhengzhou450001China
- Collaborative Innovation Center of New Drug Research and Safety EvaluationZhengzhou UniversityZhengzhou450001China
| | - Fei Pei
- School of Pharmaceutical SciencesZhengzhou UniversityZhengzhou450001China
- Henan Key Laboratory of Targeting Therapy and Diagnosis for Critical DiseasesZhengzhou UniversityZhengzhou450001China
- Collaborative Innovation Center of New Drug Research and Safety EvaluationZhengzhou UniversityZhengzhou450001China
| | - Yuzhen Zhao
- School of Pharmaceutical SciencesZhengzhou UniversityZhengzhou450001China
- Henan Key Laboratory of Targeting Therapy and Diagnosis for Critical DiseasesZhengzhou UniversityZhengzhou450001China
- Collaborative Innovation Center of New Drug Research and Safety EvaluationZhengzhou UniversityZhengzhou450001China
| | - Changhua Liu
- School of Pharmaceutical SciencesZhengzhou UniversityZhengzhou450001China
- Henan Key Laboratory of Targeting Therapy and Diagnosis for Critical DiseasesZhengzhou UniversityZhengzhou450001China
- Collaborative Innovation Center of New Drug Research and Safety EvaluationZhengzhou UniversityZhengzhou450001China
| | - Mingming Guo
- School of Pharmaceutical SciencesZhengzhou UniversityZhengzhou450001China
- Henan Key Laboratory of Targeting Therapy and Diagnosis for Critical DiseasesZhengzhou UniversityZhengzhou450001China
- Collaborative Innovation Center of New Drug Research and Safety EvaluationZhengzhou UniversityZhengzhou450001China
| | - Kaixiang Zhang
- School of Pharmaceutical SciencesZhengzhou UniversityZhengzhou450001China
- Henan Key Laboratory of Targeting Therapy and Diagnosis for Critical DiseasesZhengzhou UniversityZhengzhou450001China
- Collaborative Innovation Center of New Drug Research and Safety EvaluationZhengzhou UniversityZhengzhou450001China
| | - Zhenzhong Zhang
- School of Pharmaceutical SciencesZhengzhou UniversityZhengzhou450001China
- Henan Key Laboratory of Targeting Therapy and Diagnosis for Critical DiseasesZhengzhou UniversityZhengzhou450001China
- Collaborative Innovation Center of New Drug Research and Safety EvaluationZhengzhou UniversityZhengzhou450001China
| | - Jinjin Shi
- School of Pharmaceutical SciencesZhengzhou UniversityZhengzhou450001China
- Henan Key Laboratory of Targeting Therapy and Diagnosis for Critical DiseasesZhengzhou UniversityZhengzhou450001China
- Collaborative Innovation Center of New Drug Research and Safety EvaluationZhengzhou UniversityZhengzhou450001China
| | - Yun Zhang
- School of Pharmaceutical SciencesZhengzhou UniversityZhengzhou450001China
- Henan Key Laboratory of Targeting Therapy and Diagnosis for Critical DiseasesZhengzhou UniversityZhengzhou450001China
- Collaborative Innovation Center of New Drug Research and Safety EvaluationZhengzhou UniversityZhengzhou450001China
| | - Zhi‐Hao Wang
- School of Pharmaceutical SciencesZhengzhou UniversityZhengzhou450001China
- Henan Key Laboratory of Targeting Therapy and Diagnosis for Critical DiseasesZhengzhou UniversityZhengzhou450001China
- Collaborative Innovation Center of New Drug Research and Safety EvaluationZhengzhou UniversityZhengzhou450001China
| | - Junjie Liu
- School of Pharmaceutical SciencesZhengzhou UniversityZhengzhou450001China
- Henan Key Laboratory of Targeting Therapy and Diagnosis for Critical DiseasesZhengzhou UniversityZhengzhou450001China
- Collaborative Innovation Center of New Drug Research and Safety EvaluationZhengzhou UniversityZhengzhou450001China
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Li W, Chi D, Ju S, Zhao X, Li X, Zhao J, Xie H, Li Y, Jin J, Mang G, Dong Z. Platelet factor 4 promotes deep venous thrombosis by regulating the formation of neutrophil extracellular traps. Thromb Res 2024; 237:52-63. [PMID: 38547695 DOI: 10.1016/j.thromres.2024.03.005] [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: 05/15/2023] [Revised: 02/14/2024] [Accepted: 03/04/2024] [Indexed: 04/29/2024]
Abstract
The presence of neutrophil extracellular traps (NETs) in thrombotic diseases has been extensively studied. The exact mechanism of NET formation in deep venous thrombosis (DVT) has not been largely studied. This study is aimed to explore the role of NETs and their interaction with platelet factor 4 (PF4) in DVT. In plasma samples from 51 healthy volunteers and 52 DVT patients, NET markers and PF4 were measured using enzyme-linked immunosorbent assays (ELISA). NET generation in blood samples from healthy subjects and DVT patients was analyzed by confocal microscopy and flow cytometry. The plasma levels of NETs were significantly elevated in DVT patients, and neutrophils from patients showed a stronger ability to generate NETs after treatment. PF4 was upregulated in plasma samples from DVT patients and mediated NET formation. NETs enhanced procoagulant (PCA) via tissue factor and activating platelets to induce procoagulant activity. In addition, we established an inferior vena cava ligation (IVC) model to examine the role of NETs in thrombogenicity in DVT. In conclusion, NET formation was mediated by PF4 and enhance the procoagulant activity in DVT.
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Affiliation(s)
- Wenqiang Li
- Department of Vascular and Wound Center, Jinshan Hospital of Fudan University, Shanghai, China.
| | - Decai Chi
- Department of Vascular Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Shuai Ju
- Department of Vascular and Wound Center, Jinshan Hospital of Fudan University, Shanghai, China
| | - Xinyi Zhao
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xiaoyan Li
- Department of Vascular and Wound Center, Jinshan Hospital of Fudan University, Shanghai, China
| | - Junjie Zhao
- Department of General Surgery, The Fourth Hospital of Changsha City, Changsha, China
| | - Huiqi Xie
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yao Li
- Department of Vascular and Wound Center, Jinshan Hospital of Fudan University, Shanghai, China
| | - Jiaqi Jin
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.
| | - Ge Mang
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.
| | - Zhihui Dong
- Department of Vascular and Wound Center, Jinshan Hospital of Fudan University, Shanghai, China; Department of Vascular Surgery, Zhongshan hospital of Fudan University, Shanghai, China.
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38
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Fang H, Bo Y, Hao Z, Mang G, Jin J, Wang H. A promising frontier: targeting NETs for stroke treatment breakthroughs. Cell Commun Signal 2024; 22:238. [PMID: 38654328 PMCID: PMC11036592 DOI: 10.1186/s12964-024-01563-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 03/07/2024] [Indexed: 04/25/2024] Open
Abstract
Stroke is a prevalent global acute cerebrovascular condition, with ischaemic stroke being the most frequently occurring type. After a stroke, neutrophils accumulate in the brain and subsequently generate and release neutrophil extracellular traps (NETs). The accumulation of NETs exacerbates the impairment of the blood‒brain barrier (BBB), hampers neovascularization, induces notable neurological deficits, worsens the prognosis of stroke patients, and can facilitate the occurrence of t-PA-induced cerebral haemorrhage subsequent to ischaemic stroke. Alternative approaches to pharmacological thrombolysis or endovascular thrombectomy are being explored, and targeting NETs is a promising treatment that warrants further investigation.
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Affiliation(s)
- Huijie Fang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Yunfei Bo
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Zhongfei Hao
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Ge Mang
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jiaqi Jin
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
| | - Hongjun Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150001, China.
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Ding L, Wang J, Qiu S, Ren Z, Li Y, An P. Bioinformatics Approach to Identify the Pathogenetic Link of Gut Microbiota-Derived Short-Chain Fatty Acids and Ischemic Stroke. Mol Neurobiol 2024:10.1007/s12035-024-04176-7. [PMID: 38649659 DOI: 10.1007/s12035-024-04176-7] [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: 01/15/2024] [Accepted: 04/11/2024] [Indexed: 04/25/2024]
Abstract
Stroke is a life-threatening condition that impairs the arteries and causes neurological impairment. The incidence of stroke is increasing year by year with the arrival of the aging population. Thus, there is an urgent need for early stroke diagnosis. Short-chain fatty acids (SCFAs) can modulate the central nervous system and directly and indirectly impact behavioral and cognitive functions. This study aimed to investigate the connection between SCFA metabolism and stroke development via bioinformatic analysis. Initially, the Gene Set Enrichment Analysis (GSEA) and immune cell infiltration analysis were performed based on RNA data from stroke patients to comprehend the mechanisms governing stroke pathogenesis. The functional analysis, including Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG), and Protein-Protein Interaction (PPI), was performed based on the Differentially Expressed Gene (DEG) selected by the limma package. 1220 SCFA metabolism-related genes screened from Genecards databases were intersected with 242 genes in main modules determined by Weighted Gene Co-Expression Network Analysis (WGCNA), and the final 10 SCFA key genes were obtained. GO analysis revealed that these genes were involved in immune response processes. Through lasso regression analyses, we established a stroke early diagnosis model and selected 6 genes with diagnostic value. The genes were validated by the area under curve (AUC) values and had a relatively good diagnostic performance. Finally, 4 potential therapeutic drugs targeting these genes were predicted using the Drug Signatures Database (DSigDB) via Enrichr. In conclusion, this paper analyzes the involvement of SCFAs in the complex gut-brain axis mechanism, which contributes to developing new targets for treating central nervous system diseases and provides new ideas for early ischemic stroke diagnosis.
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Affiliation(s)
- Liang Ding
- Department of Traditional Chinese Medicine, Qingdao Third People's Hospital, Qingdao City, Shandong Province, China
| | - Jianing Wang
- Neurology Department, Qingdao Hiser Hospital Affiliated of Qingdao University (Qingdao Traditional Chinese Medicine Hospital), Qingdao City, Shandong Province, China
| | - Sha Qiu
- Department of Traditional Chinese Medicine, Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Hospital), Qingdao City, Shandong Province, China
| | - Zhizhen Ren
- Department of Traditional Chinese Medicine, Community Health Service Center of Shi'nan District in Qingdao, Qingdao City, Shandong Province, China
| | - Yuantao Li
- Acupuncture and Moxibustion Department, Qingdao Third People's Hospital, Qingdao City, Shandong Province, China
| | - Pengpeng An
- Emergency Internal Medicine Department, Qingdao Hiser Hospital Affiliated of Qingdao University (Qingdao Traditional Chinese Medicine Hospital), Qingdao City, Shandong Province, China.
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Li B, Xu L, Wang Z, Shi Q, Cui Y, Fan W, Wu Q, Tong X, Yan H. Neutrophil Extracellular Traps Regulate Surgical Brain Injury by Activating the cGAS-STING Pathway. Cell Mol Neurobiol 2024; 44:36. [PMID: 38637346 PMCID: PMC11026279 DOI: 10.1007/s10571-024-01470-9] [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: 10/25/2023] [Accepted: 03/15/2024] [Indexed: 04/20/2024]
Abstract
Surgical brain injury (SBI), induced by neurosurgical procedures or instruments, has not attracted adequate attention. The pathophysiological process of SBI remains sparse compared to that of other central nervous system diseases thus far. Therefore, novel and effective therapies for SBI are urgently needed. In this study, we found that neutrophil extracellular traps (NETs) were present in the circulation and brain tissues of rats after SBI, which promoted neuroinflammation, cerebral edema, neuronal cell death, and aggravated neurological dysfunction. Inhibition of NETs formation by peptidylarginine deiminase (PAD) inhibitor or disruption of NETs with deoxyribonuclease I (DNase I) attenuated SBI-induced damages and improved the recovery of neurological function. We show that SBI triggered the activation of cyclic guanosine monophosphate-adenosine monophosphate synthase stimulator of interferon genes (cGAS-STING), and that inhibition of the cGAS-STING pathway could be beneficial. It is worth noting that DNase I markedly suppressed the activation of cGAS-STING, which was reversed by the cGAS product cyclic guanosine monophosphate-adenosine monophosphate (cGMP-AMP, cGAMP). Furthermore, the neuroprotective effect of DNase I in SBI was also abolished by cGAMP. NETs may participate in the pathophysiological regulation of SBI by acting through the cGAS-STING pathway. We also found that high-dose vitamin C administration could effectively inhibit the formation of NETs post-SBI. Thus, targeting NETs may provide a novel therapeutic strategy for SBI treatment, and high-dose vitamin C intervention may be a promising translational therapy with an excellent safety profile and low cost.
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Affiliation(s)
- Bingbing Li
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China
| | - Lixia Xu
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China
- Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin Neurosurgical Institute, Tianjin Huanhu Hospital, Tianjin, 300350, China
| | - Zhengang Wang
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China
| | - Qi Shi
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China
| | - Yang Cui
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China
| | - Weijia Fan
- Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin Neurosurgical Institute, Tianjin Huanhu Hospital, Tianjin, 300350, China
| | - Qiaoli Wu
- Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin Neurosurgical Institute, Tianjin Huanhu Hospital, Tianjin, 300350, China
| | - Xiaoguang Tong
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China.
- Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin Neurosurgical Institute, Tianjin Huanhu Hospital, Tianjin, 300350, China.
- Department of Neurosurgery, Tianjin Huanhu Hospital, Tianjin, 300350, China.
| | - Hua Yan
- Clinical College of Neurology, Neurosurgery and Neurorehabilitation, Tianjin Medical University, Tianjin, 300070, China.
- Tianjin Key Laboratory of Cerebral Vascular and Neurodegenerative Diseases, Tianjin Neurosurgical Institute, Tianjin Huanhu Hospital, Tianjin, 300350, China.
- Department of Neurosurgery, Tianjin Huanhu Hospital, Tianjin, 300350, China.
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Gu X, Dong M, Xia S, Li H, Bao X, Cao X, Xu Y. γ-Glutamylcysteine ameliorates blood-brain barrier permeability and neutrophil extracellular traps formation after ischemic stroke by modulating Wnt/β-catenin signalling in mice. Eur J Pharmacol 2024; 969:176409. [PMID: 38365105 DOI: 10.1016/j.ejphar.2024.176409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 01/17/2024] [Accepted: 02/07/2024] [Indexed: 02/18/2024]
Abstract
During the inflammatory response after stroke, the blood-brain barrier (BBB) is significantly disrupted, compromising its integrity. This disruption allows many peripheral neutrophils to infiltrate the injury site in the brain and release neutrophil extracellular traps (NETs), which further increase BBB permeability. In this study, we aimed to investigate the protective effects of γ-Glutamylcysteine (γ-GC), an immediate precursor of GSH, against BBB breakdown and NET formation after ischemic stroke. Our data indicated that γ-GC treatment effectively attenuated BBB damage, decreased neutrophil infiltration, and suppressed the release of NETs, ultimately leading to the amelioration of ischemic injury. Transcriptomic data and subsequent validation studies revealed that mechanistically, γ-GC exerts its effect by activating the Wnt/β-catenin pathway after ischemic stroke. This research suggests that γ-GC may hold promise as a therapeutic agent for alleviating brain injury following an ischemic stroke.
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Affiliation(s)
- Xinya Gu
- Department of Neurology, Nanjing Drum Tower Hospital Clinical College of Xuzhou Medical University, Nanjing, China; Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, China; Jiangsu Provincial Key Discipline of Neurology, Nanjing, China; Nanjing Neurology Medical Center, Nanjing, China
| | - Mengqi Dong
- Department of Neurology, Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, China; Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, China; Jiangsu Provincial Key Discipline of Neurology, Nanjing, China; Nanjing Neurology Medical Center, Nanjing, China
| | - Shengnan Xia
- Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, China; Jiangsu Provincial Key Discipline of Neurology, Nanjing, China; Nanjing Neurology Medical Center, Nanjing, China
| | - Huiqin Li
- Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, China; Jiangsu Provincial Key Discipline of Neurology, Nanjing, China; Nanjing Neurology Medical Center, Nanjing, China
| | - Xinyu Bao
- Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, China; Jiangsu Provincial Key Discipline of Neurology, Nanjing, China; Nanjing Neurology Medical Center, Nanjing, China
| | - Xiang Cao
- Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; Department of Neurology, Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, China; Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, China; Jiangsu Provincial Key Discipline of Neurology, Nanjing, China; Nanjing Neurology Medical Center, Nanjing, China.
| | - Yun Xu
- Department of Neurology, Nanjing Drum Tower Hospital Clinical College of Xuzhou Medical University, Nanjing, China; Department of Neurology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China; Department of Neurology, Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, China; Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, China; Jiangsu Provincial Key Discipline of Neurology, Nanjing, China; Nanjing Neurology Medical Center, Nanjing, China.
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Yang J, Xie Y, Xia Z, Ji S, Yang X, Yue D, Liu Y, Yang R, Fan Y. HucMSC-Exo Induced N2 Polarization of Neutrophils: Implications for Angiogenesis and Tissue Restoration in Wound Healing. Int J Nanomedicine 2024; 19:3555-3575. [PMID: 38638364 PMCID: PMC11024985 DOI: 10.2147/ijn.s458295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Accepted: 04/10/2024] [Indexed: 04/20/2024] Open
Abstract
Background Neutrophils rapidly accumulate in large numbers at sites of tissue damage, exhibiting not only their well-known bactericidal capabilities but also playing crucial roles in angiogenesis and tissue repair. While exosomes derived from human umbilical cord mesenchymal stem cells (HucMSC-Exo) have emerged as a promising therapeutic tool, their exact mechanisms of action remain partly elusive. We hypothesize that HucMSC-Exo treatment may modulate neutrophil phenotypes, thereby significantly influencing wound healing outcomes. Methods HucMSC-Exo were isolated via ultracentrifugation and subsequently administered through subcutaneous injection into full-thickness cutaneous wounds in mice. To determine the impact of host neutrophils on the healing effects of HucMSC-Exo in skin injuries, strategies including neutrophil depletion and adoptive transfer were employed. Flow cytometry was used to evaluate the proportion of N2 subtype neutrophils in both normal and diabetic wounds, and the effect of HucMSC-Exo on this proportion was assessed. Furthermore, the mitochondrial metabolic reprogramming driven by HucMSC-Exo during N2 polarization was investigated through JC1 staining, ATP quantification, fatty acid uptake assays, and assessment of FAO-related genes (Cpt1b, Acadm, and Acadl). Results Depleting host neutrophils strikingly dampened prohealing effect of HucMSC-Exo on skin injury, while adoptive transfer of bone marrow neutrophils rescued this process. During normal healing process, some neutrophils expressed N2 markers, in contrast, diabetic wounds exhibited a reduced expression of N2 markers. After treatment with HucMSC-Exo, most neutrophils increased the phosphorylation of STAT6, leading to mitochondrial metabolic reprogramming and thus acquired an N2 phenotype. These N2 neutrophils, polarized by HucMSC-Exo, boosted the release of proangiogenic factors, particularly BV8, a myeloid cell-derived proangiogenic factor, and induced angiogenesis thereby favoring tissue restoration. Conclusion This research uniquely demonstrates the identification of N2 neutrophils in skin injury and shows that HucMSC-Exo could skew neutrophils toward N2 phenotype, enhancing our insight into how cells react to HucMSC-Exo.
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Affiliation(s)
- Jiaman Yang
- Department of Dermatology, the Seventh Medical Center of Chinese PLA General Hospital, Beijing, 100700, People’s Republic of China
- The Second School of Clinical Medicine, SouThern Medical University, Guangzhou, 510599, People’s Republic of China
| | - Yulin Xie
- Department of Dermatology, the Seventh Medical Center of Chinese PLA General Hospital, Beijing, 100700, People’s Republic of China
- The Second School of Clinical Medicine, SouThern Medical University, Guangzhou, 510599, People’s Republic of China
| | - Zhikuan Xia
- Department of Dermatology, the Seventh Medical Center of Chinese PLA General Hospital, Beijing, 100700, People’s Republic of China
| | - Shuaifei Ji
- Chinese PLA Medical School, Beijing, 100853, People’s Republic of China
| | - Xin Yang
- Department of Dermatology, the Seventh Medical Center of Chinese PLA General Hospital, Beijing, 100700, People’s Republic of China
| | - Danxia Yue
- Department of Dermatology, the Seventh Medical Center of Chinese PLA General Hospital, Beijing, 100700, People’s Republic of China
| | - Yuanyuan Liu
- Department of Dermatology, the Seventh Medical Center of Chinese PLA General Hospital, Beijing, 100700, People’s Republic of China
- Chinese PLA Medical School, Beijing, 100853, People’s Republic of China
| | - Rongya Yang
- Department of Dermatology, the Seventh Medical Center of Chinese PLA General Hospital, Beijing, 100700, People’s Republic of China
- The Second School of Clinical Medicine, SouThern Medical University, Guangzhou, 510599, People’s Republic of China
- Chinese PLA Medical School, Beijing, 100853, People’s Republic of China
| | - Yunlong Fan
- Department of Dermatology, the Seventh Medical Center of Chinese PLA General Hospital, Beijing, 100700, People’s Republic of China
- Chinese PLA Medical School, Beijing, 100853, People’s Republic of China
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Wu ZR, Zhou TQ, Ai SC. Neutrophil extracellular traps correlate with severity and prognosis in patients with ischemic stroke: a systematic review and meta-analysis. Acta Neurol Belg 2024; 124:513-522. [PMID: 37950825 DOI: 10.1007/s13760-023-02409-5] [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: 05/10/2023] [Accepted: 10/12/2023] [Indexed: 11/13/2023]
Abstract
BACKGROUND AND OBJECTIVE A correlation between neutrophil extracellular traps (NETs) and ischemic stroke (IS) has been hypothesized, but the results of relevant studies remain controversial. The purpose was to determine whether NETs have an impact on ischemic stroke. METHODS The studies on the correlation between NETs and IS were retrieved from CNKI, Wanfang Data, VIP, CBM, PubMed, Web of Science, Embase, and Cochrane databases by computer from the start of the database to December 2022. The study adhered to PRISMA guidelines. The PICOS model was used to create inclusion criteria. Two researchers screened the literature and extracted the relevant data. The quality of the included studies was evaluated using the NOS and the 11 items recommended by the AHRQ, and meta-analysis was completed using Stata 15.1 software. RESULTS The researchers included 752 patients in 7 studies (4 case-control studies and 3 cross-sectional studies). The meta-analysis found NETs are positively associated with the severity of IS at the time of onset [r(95% CI) = 0.31(0.24, 0.38), P < 0.001]. NETs are positively associated with a worse prognosis of IS [r(95% CI) = 0.34(0.13, 0.53), P = 0.003]. CONCLUSION The presence of NETs is positively related to the severity and prognosis of IS. Higher levels of NETs indicate a more severe disease and a poorer prognosis. Because the number and quality of included studies are limited, the above results must be supported by further high-quality studies. SYSTEMATIC REVIEW REGISTRATION https://www.crd.york.ac.uk/PROSPERO/ , identifier: CRD42022356619.
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Affiliation(s)
- Zhuo-Rao Wu
- School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Tian-Qi Zhou
- School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Shuang-Chun Ai
- School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
- Department of Rehabilitation, Mianyang Hospital, Chengdu University of Traditional Chinese Medicine, Mianyang, 621053, China.
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Ding N, Xiao H, Zhen L, Li H, Zhang Z, Ge J. Imp7 siRNA nanoparticles protect against mechanical ventilation-associated liver injury by inhibiting HMGB1 production and NETs formation. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167085. [PMID: 38369216 DOI: 10.1016/j.bbadis.2024.167085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/16/2024] [Accepted: 02/15/2024] [Indexed: 02/20/2024]
Abstract
Mechanical ventilation (MV) has the potential to induce extra-pulmonary organ damage by adversely affecting the lungs and promoting the secretion of inflammatory cytokines. High-mobility group box 1 protein (HMGB1) is a pro-inflammatory mediator in ventilator-induced lung injury (VILI), but its effect on MV-associated liver injury and the mechanisms are poorly understood. In the present study, mice were subjected to high-volume MV (20 ml/kg) to induce VILI. MV-induced HMGB1 prompted neutrophil extracellular traps (NETs) formation and PANoptosis within the liver. Inhibiting NETs formation by DNase I or PAD4 inhibitor, or by HMGB1 neutralizing ameliorated the liver injury. HMGB1 activated neutrophils to form NETs through TLR4/MyD88/TRAF6 pathway. Importantly, Importin7 siRNA nanoparticles inhibited HMGB1 release and protected against MV-associated liver injury. These data provide evidence of MV-induced HMGB1 prompted NETs formation and PANoptosis in the liver via the TLR4/MyD88/TRAF6 pathway. HMGB1 is a potential therapeutic target for MV-associated liver injury.
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Affiliation(s)
- Ning Ding
- Department of Anesthesiology, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250031, China; Shandong Provincial Key Medical and Health Laboratory of Intensive Care Rehabilitation, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250031, China.
| | - Hui Xiao
- Shandong Provincial Key Medical and Health Laboratory of Intensive Care Rehabilitation, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250031, China
| | - Lixiao Zhen
- Shandong Provincial Key Medical and Health Laboratory of Intensive Care Rehabilitation, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250031, China
| | - Huiqing Li
- Department of Anesthesiology, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250031, China; Shandong Provincial Key Medical and Health Laboratory of Intensive Care Rehabilitation, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250031, China
| | - Zengzhen Zhang
- Department of Anesthesiology, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250031, China; Shandong Provincial Key Medical and Health Laboratory of Intensive Care Rehabilitation, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250031, China
| | - Junke Ge
- Shandong Provincial Key Medical and Health Laboratory of Intensive Care Rehabilitation, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250031, China; Department of Intensive Care Medicine, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250031, China
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Wang J, Wang X, Peng H, Dong Z, Liangpunsakul S, Zuo L, Wang H. Platelets in Alcohol-Associated Liver Disease: Interaction With Neutrophils. Cell Mol Gastroenterol Hepatol 2024; 18:41-52. [PMID: 38461963 PMCID: PMC11127035 DOI: 10.1016/j.jcmgh.2024.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 02/29/2024] [Accepted: 03/01/2024] [Indexed: 03/12/2024]
Abstract
Alcohol-associated liver disease (ALD) is a major contributor to liver-related mortality globally. An increasing body of evidence underscores the pivotal role of platelets throughout the spectrum of liver injury and recovery, offering unique insights into liver homeostasis and pathobiology. Alcoholic-associated steatohepatitis is characterized by the infiltration of hepatic neutrophils. Recent studies have highlighted the extensive distance neutrophils travel through sinusoids to reach the liver injury site, relying on a platelet-paved endothelium for efficient crawling. The adherence of platelets to neutrophils is crucial for accurate migration from circulation to the inflammatory site. A gradual decline in platelet levels leads to diminished neutrophil recruitment. Platelets exhibit the ability to activate neutrophils. Platelet activation is heightened upon the release of platelet granule contents, which synergistically activate neutrophils through their respective receptors. The sequence culminates in the formation of platelet-neutrophil complexes and the release of neutrophil extracellular traps intensifies liver damage, fosters inflammatory immune responses, and triggers hepatotoxic processes. Neutrophil infiltration is a hallmark of alcohol-associated steatohepatitis, and the roles of neutrophils in ALD pathogenesis have been studied extensively, however, the involvement of platelets in ALD has received little attention. The current review consolidates recent findings on the intricate and diverse roles of platelets and neutrophils in liver pathophysiology and in ALD. Potential therapeutic strategies are highlighted, focusing on targeting platelet-neutrophil interactions and activation in ALD. The anticipation is that innovative methods for manipulating platelet and neutrophil functions will open promising avenues for future ALD therapy.
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Affiliation(s)
- Juan Wang
- Department of Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China; Innovation and Entrepreneurship Laboratory for College Students, Anhui Medical University, Hefei, Anhui, China; Inflammation and Immune-Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei, Anhui, China
| | - Xianda Wang
- Department of Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China; Innovation and Entrepreneurship Laboratory for College Students, Anhui Medical University, Hefei, Anhui, China; Inflammation and Immune-Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei, Anhui, China
| | - Haodong Peng
- Innovation and Entrepreneurship Laboratory for College Students, Anhui Medical University, Hefei, Anhui, China; The First School of Clinical Medicine, Anhui Medical University, Hefei, Anhui, China
| | - Zijian Dong
- Department of Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China; Innovation and Entrepreneurship Laboratory for College Students, Anhui Medical University, Hefei, Anhui, China; Inflammation and Immune-Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei, Anhui, China
| | - Suthat Liangpunsakul
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana
| | - Li Zuo
- Innovation and Entrepreneurship Laboratory for College Students, Anhui Medical University, Hefei, Anhui, China; Laboratory of Molecular Biology, Department of Biochemistry, Anhui Medical University, Hefei, Anhui, China.
| | - Hua Wang
- Department of Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China; Innovation and Entrepreneurship Laboratory for College Students, Anhui Medical University, Hefei, Anhui, China; Inflammation and Immune-Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei, Anhui, China.
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Zeineddine HA, Hong SH, Peesh P, Dienel A, Torres K, Pandit PT, Matsumura K, Huang S, Li W, Chauhan A, Hagan J, Marrelli SP, McCullough LD, Blackburn SL, Aronowski J, McBride DW. Neutrophils and Neutrophil Extracellular Traps Cause Vascular Occlusion and Delayed Cerebral Ischemia After Subarachnoid Hemorrhage in Mice. Arterioscler Thromb Vasc Biol 2024; 44:635-652. [PMID: 38299355 PMCID: PMC10923061 DOI: 10.1161/atvbaha.123.320224] [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: 09/27/2023] [Accepted: 01/17/2024] [Indexed: 02/02/2024]
Abstract
BACKGROUND After subarachnoid hemorrhage (SAH), neutrophils are deleterious and contribute to poor outcomes. Neutrophils can produce neutrophil extracellular traps (NETs) after ischemic stroke. Our hypothesis was that, after SAH, neutrophils contribute to delayed cerebral ischemia (DCI) and worse outcomes via cerebrovascular occlusion by NETs. METHODS SAH was induced via endovascular perforation, and SAH mice were given either a neutrophil-depleting antibody, a PAD4 (peptidylarginine deiminase 4) inhibitor (to prevent NETosis), DNAse-I (to degrade NETs), or a vehicle control. Mice underwent daily neurological assessment until day 7 and then euthanized for quantification of intravascular brain NETs (iNETs). Subsets of mice were used to quantify neutrophil infiltration, NETosis potential, iNETs, cerebral perfusion, and infarction. In addition, NET markers were assessed in the blood of aneurysmal SAH patients. RESULTS In mice, SAH led to brain neutrophil infiltration within 24 hours, induced a pro-NETosis phenotype selectively in skull neutrophils, and caused a significant increase in iNETs by day 1, which persisted until at least day 7. Neutrophil depletion significantly reduced iNETs, improving cerebral perfusion, leading to less neurological deficits and less incidence of DCI (16% versus 51.9%). Similarly, PAD4 inhibition reduced iNETs, improved neurological outcome, and reduced incidence of DCI (5% versus 30%), whereas degrading NETs marginally improved outcomes. Patients with aneurysmal SAH who developed DCI had elevated markers of NETs compared with non-DCI patients. CONCLUSIONS After SAH, skull-derived neutrophils are primed for NETosis, and there are persistent brain iNETs, which correlated with delayed deficits. The findings from this study suggest that, after SAH, neutrophils and NETosis are therapeutic targets, which can prevent vascular occlusion by NETs in the brain, thereby lessening the risk of DCI. Finally, NET markers may be biomarkers, which can predict which patients with aneurysmal SAH are at risk for developing DCI.
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Affiliation(s)
- Hussein A. Zeineddine
- The Vivian L. Smith Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Sung-Ha Hong
- The Vivian L. Smith Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Pedram Peesh
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Ari Dienel
- The Vivian L. Smith Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Kiara Torres
- The Vivian L. Smith Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Peeyush Thankamani Pandit
- The Vivian L. Smith Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Kanako Matsumura
- The Vivian L. Smith Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Shuning Huang
- Department of Diagnostic and Interventional Imaging, McGovern Medical School, The University of Texas McGovern Medical School at Houston, Houston, TX 77030, USA
| | - Wen Li
- Division of Clinical and Translational Sciences, Department of Internal Medicine, The University of Texas McGovern Medical School at Houston, Houston, TX 77030, USA
- Biostatistics/Epidemiology/Research Design (BERD) Component, Center for Clinical and Translational Sciences (CCTS), University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Anjali Chauhan
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - John Hagan
- The Vivian L. Smith Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Sean P. Marrelli
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Louise D. McCullough
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Spiros L. Blackburn
- The Vivian L. Smith Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Jaroslaw Aronowski
- Department of Neurology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Devin W. McBride
- The Vivian L. Smith Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas, USA
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Lu Z, Wang X, Feng J, Chai W, Wang W, Wang Q, Yang S, Yang W, Su Y, Mou W, Peng Y, Wang H, Gui J. Intratumoral CXCR4 hi neutrophils display ferroptotic and immunosuppressive signatures in hepatoblastoma. Front Immunol 2024; 15:1363454. [PMID: 38487536 PMCID: PMC10937446 DOI: 10.3389/fimmu.2024.1363454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Accepted: 02/07/2024] [Indexed: 03/17/2024] Open
Abstract
Pediatric hepatoblastoma (HB) is the most common primary liver malignancy in infants and children. With great diversity and plasticity, tumor-infiltrating neutrophils were one of the most determining factors for poor prognosis in many malignant tumors. In this study, through bulk RNA sequencing for sorted blood and tumor-infiltrated neutrophils and comparison of neutrophils in tumor and para-tumor tissue by single-cell sequencing, we found that intratumoral neutrophils were composed of heterogenous functional populations at different development stages. Our study showed that terminally differentiated neutrophils with active ferroptosis prevailed in tumor tissue, whereas, in para-tumor, pre-fate naïve neutrophils were dominant and ferroptotic neutrophils dispersed in a broad spectrum of cell maturation. Gene profiling and in vitro T-cell coculture experiment confirmed that one of main functional intratumoral neutrophils was mainly immunosuppressive, which relied on the activation of ferroptosis. Combining the bulk RNA-seq, scRNA-seq data, and immunochemistry staining of tumor samples, CXCL12/CXCR4 chemotaxis pathway was suggested to mediate the migration of neutrophils in tumors as CXCR4 highly expressed by intratumoral neutrophils and its ligand CXCL12 expressed much higher level in tumor than that in para-tumor. Moreover, our study pinpointed that infiltrated CXCR4hi neutrophils, regardless of their differential distribution of cell maturation status in HB tumor and para-tumor regions, were the genuine perpetrators for immune suppression. Our data characterized the ferroptosis-dependent immunosuppression energized by intratumoral CXCR4 expression neutrophils and suggest a potential cell target for cancer immunotherapies.
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Affiliation(s)
- Zhengjing Lu
- Laboratory of Tumor Immunology, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
- Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Xiaolin Wang
- Laboratory of Tumor Immunology, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
- Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Jun Feng
- Department of Surgical Oncology, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Wenjia Chai
- Laboratory of Tumor Immunology, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
- Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Wei Wang
- Laboratory of Tumor Immunology, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
- Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Qixin Wang
- Laboratory of Tumor Immunology, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
- Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Shen Yang
- Department of Surgical Oncology, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Wei Yang
- Department of Surgical Oncology, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Yan Su
- Beijing Key Laboratory of Pediatric Hematology Oncology, National Key Discipline of Pediatrics, Ministry of Education, Key Laboratory of Major Diseases in Children, Hematology Oncology Center, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Wenjun Mou
- Laboratory of Tumor Immunology, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
- Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Yun Peng
- Laboratory of Tumor Immunology, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
- Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Huanmin Wang
- Department of Surgical Oncology, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
| | - Jingang Gui
- Laboratory of Tumor Immunology, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
- Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Pediatric Research Institute, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing, China
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Zhang Q, Chen Y, Li Y, Feng Z, Liang L, Hao X, Kang W, Zhang Z, Zhang X, Hu R, Feng H, Chen Z. Neutrophil extracellular trap-mediated impairment of meningeal lymphatic drainage exacerbates secondary hydrocephalus after intraventricular hemorrhage. Theranostics 2024; 14:1909-1938. [PMID: 38505607 PMCID: PMC10945341 DOI: 10.7150/thno.91653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 02/16/2024] [Indexed: 03/21/2024] Open
Abstract
Rationale: Hydrocephalus is a substantial complication after intracerebral hemorrhage (ICH) or intraventricular hemorrhage (IVH) that leads to impaired cerebrospinal fluid (CSF) circulation. Recently, brain meningeal lymphatic vessels (mLVs) were shown to serve as critical drainage pathways for CSF. Our previous studies indicated that the degradation of neutrophil extracellular traps (NETs) after ICH/IVH alleviates hydrocephalus. However, the mechanisms by which NET degradation exerts beneficial effects in hydrocephalus remain unclear. Methods: A mouse model of hydrocephalus following IVH was established by infusing autologous blood into both wildtype and Cx3cr1-/- mice. By studying the features and processes of the model, we investigated the contribution of mLVs and NETs to the development and progression of hydrocephalus following secondary IVH. Results: This study observed the widespread presence of neutrophils, fibrin and NETs in mLVs following IVH, and the degradation of NETs alleviated hydrocephalus and brain injury. Importantly, the degradation of NETs improved CSF drainage by enhancing the recovery of lymphatic endothelial cells (LECs). Furthermore, our study showed that NETs activated the membrane protein CX3CR1 on LECs after IVH. In contrast, the repair of mLVs was promoted and the effects of hydrocephalus were ameliorated after CX3CR1 knockdown and in Cx3cr1-/- mice. Conclusion: Our findings indicated that mLVs participate in the development of brain injury and secondary hydrocephalus after IVH and that NETs contribute to acute LEC injury and lymphatic thrombosis. CX3CR1 is a key molecule in NET-induced LEC damage and meningeal lymphatic thrombosis, which leads to mLV dysfunction and exacerbates hydrocephalus and brain injury. NETs may be a critical target for preventing the obstruction of meningeal lymphatic drainage after IVH.
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Affiliation(s)
- Qiang Zhang
- Department of Neurosurgery and State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Department of Neurosurgery, The 961 st Hospital of the Chinese People's Liberation Army Joint Logistic Support Force, Qiqihar, 161000, Heilongjiang Province, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Yujie Chen
- Department of Neurosurgery and State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Yingpei Li
- Department of Neurosurgery and State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Zhou Feng
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Liang Liang
- Department of Neurosurgery and State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Xiaoke Hao
- Department of Neurosurgery and State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Wenbo Kang
- Department of Neurosurgery and State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Zhaoqi Zhang
- Department of Neurosurgery and State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Xuyang Zhang
- Department of Neurosurgery and State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Rong Hu
- Department of Neurosurgery and State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Hua Feng
- Department of Neurosurgery and State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Zhi Chen
- Department of Neurosurgery and State Key Laboratory of Trauma, Burn and Combined Injury, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
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49
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Di Martino E, Rayasam A, Vexler ZS. Brain Maturation as a Fundamental Factor in Immune-Neurovascular Interactions in Stroke. Transl Stroke Res 2024; 15:69-86. [PMID: 36705821 PMCID: PMC10796425 DOI: 10.1007/s12975-022-01111-7] [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: 07/13/2022] [Revised: 11/24/2022] [Accepted: 11/25/2022] [Indexed: 01/28/2023]
Abstract
Injuries in the developing brain cause significant long-term neurological deficits. Emerging clinical and preclinical data have demonstrated that the pathophysiology of neonatal and childhood stroke share similar mechanisms that regulate brain damage, but also have distinct molecular signatures and cellular pathways. The focus of this review is on two different diseases-neonatal and childhood stroke-with emphasis on similarities and distinctions identified thus far in rodent models of these diseases. This includes the susceptibility of distinct cell types to brain injury with particular emphasis on the role of resident and peripheral immune populations in modulating stroke outcome. Furthermore, we discuss some of the most recent and relevant findings in relation to the immune-neurovascular crosstalk and how the influence of inflammatory mediators is dependent on specific brain maturation stages. Finally, we comment on the current state of treatments geared toward inducing neuroprotection and promoting brain repair after injury and highlight that future prophylactic and therapeutic strategies for stroke should be age-specific and consider gender differences in order to achieve optimal translational success.
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Affiliation(s)
- Elena Di Martino
- Department of Neurology, University California San Francisco, 675 Nelson Rising Lane, San Francisco, CA, 94158-0663, USA
| | - Aditya Rayasam
- Department of Neurology, University California San Francisco, 675 Nelson Rising Lane, San Francisco, CA, 94158-0663, USA
| | - Zinaida S Vexler
- Department of Neurology, University California San Francisco, 675 Nelson Rising Lane, San Francisco, CA, 94158-0663, USA.
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50
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Thomas S, Kelliher S, Krishnan A. Heterogeneity of platelets and their responses. Res Pract Thromb Haemost 2024; 8:102356. [PMID: 38666061 PMCID: PMC11043642 DOI: 10.1016/j.rpth.2024.102356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 01/22/2024] [Accepted: 02/06/2024] [Indexed: 04/28/2024] Open
Abstract
There has been increasing recognition of heterogeneity in blood platelets and their responses, particularly in recent years, where next-generation technologies and advanced bioinformatic tools that interrogate "big data" have enabled large-scale studies of RNA and protein expression across a growing list of disease states. However, pioneering platelet biologists and clinicians were already hypothesizing upon and investigating heterogeneity in platelet (and megakaryocyte) activity and platelet metabolism and aggregation over half a century ago. Building on their foundational hypotheses, in particular Professor Marian A. Packham's pioneering work and a State of the Art lecture in her memoriam at the 2023 International Society on Thrombosis and Haemostasis Congress by Anandi Krishnan, this review outlines the key features that contribute to the heterogeneity of platelets between and within individuals. Starting with important epidemiologic factors, we move stepwise through successively smaller scales down to heterogeneity revealed by single-cell technologies in health and disease. We hope that this overview will urge future scientific and clinical studies to recognize and account for heterogeneity of platelets and aim to apply methods that capture that heterogeneity. Finally, we summarize other exciting new data presented on this topic at the 2023 International Society on Thrombosis and Haemostasis Congress.
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Affiliation(s)
- Sally Thomas
- Sheffield Teaching Hospitals, National Health Services, Sheffield, UK
| | - Sarah Kelliher
- School of Medicine, University College Dublin, Dublin, Ireland
| | - Anandi Krishnan
- Stanford University School of Medicine, Stanford University, Stanford, California, USA
- Rutgers University, Piscataway, New Jersey, USA
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