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An J, Yang H, Park SM, Chwae YJ, Joe EH. The LRRK2-G2019S mutation attenuates repair of brain injury partially by reducing the release of osteopontin-containing monocytic exosome-like vesicles. Neurobiol Dis 2024; 197:106528. [PMID: 38740348 DOI: 10.1016/j.nbd.2024.106528] [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: 02/19/2024] [Revised: 04/22/2024] [Accepted: 05/09/2024] [Indexed: 05/16/2024] Open
Abstract
BACKGROUND Brain injury has been suggested as a risk factor for neurodegenerative diseases. Accordingly, defects in the brain's intrinsic capacity to repair injury may result in the accumulation of damage and a progressive loss of brain function. The G2019S (GS) mutation in LRRK2 (leucine rich repeat kinase 2) is the most prevalent genetic alteration in Parkinson's disease (PD). Here, we sought to investigate how this LRRK2-GS mutation affects repair of the injured brain. METHODS Brain injury was induced by stereotaxic injection of ATP, a damage-associated molecular pattern (DAMP) component, into the striatum of wild-type (WT) and LRRK2-GS mice. Effects of the LRRK2-GS mutation on brain injury and the recovery from injury were examined by analyzing the molecular and cellular behavior of neurons, astrocytes, and monocytes. RESULTS Damaged neurons express osteopontin (OPN), a factor associated with brain repair. Following ATP-induced damage, monocytes entered injured brains, phagocytosing damaged neurons and producing exosome-like vesicles (EVs) containing OPN through activation of the inflammasome and subsequent pyroptosis. Following EV production, neurons and astrocytes processes elongated towards injured cores. In LRRK2-GS mice, OPN expression and monocytic pyroptosis were decreased compared with that in WT mice, resulting in diminished release of OPN-containing EVs and attenuated elongation of neuron and astrocyte processes. In addition, exosomes prepared from injured LRRK2-GS brains induced neurite outgrowth less efficiently than those from injured WT brains. CONCLUSIONS The LRRK2-GS mutation delays repair of injured brains through reduced expression of OPN and diminished release of OPN-containing EVs from monocytes. These findings suggest that the LRRK2-GS mutation may promote the development of PD by delaying the repair of brain injury.
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Affiliation(s)
- Jiawei An
- Neuroscience Graduate Program, Department of Biomedical Sciences, Ajou University School of Medicine, Suwon, Kyunggi-do 16499, Republic of Korea; Department of Pharmacology, Ajou University School of Medicine, Suwon, Kyunggi-do 16499, Republic of Korea; Center for Convergence Research of Neurological Disorders, Ajou University School of Medicine, Suwon, Kyunggi-do 16499, Republic of Korea
| | - Haijie Yang
- Neuroscience Graduate Program, Department of Biomedical Sciences, Ajou University School of Medicine, Suwon, Kyunggi-do 16499, Republic of Korea; Department of Pharmacology, Ajou University School of Medicine, Suwon, Kyunggi-do 16499, Republic of Korea; Center for Convergence Research of Neurological Disorders, Ajou University School of Medicine, Suwon, Kyunggi-do 16499, Republic of Korea
| | - Sang Myun Park
- Neuroscience Graduate Program, Department of Biomedical Sciences, Ajou University School of Medicine, Suwon, Kyunggi-do 16499, Republic of Korea; Department of Pharmacology, Ajou University School of Medicine, Suwon, Kyunggi-do 16499, Republic of Korea; Center for Convergence Research of Neurological Disorders, Ajou University School of Medicine, Suwon, Kyunggi-do 16499, Republic of Korea
| | - Yong-Joon Chwae
- Department of Microbiology, Ajou University School of Medicine, Suwon, Kyunggi-do 16499, Republic of Korea
| | - Eun-Hye Joe
- Neuroscience Graduate Program, Department of Biomedical Sciences, Ajou University School of Medicine, Suwon, Kyunggi-do 16499, Republic of Korea; Department of Pharmacology, Ajou University School of Medicine, Suwon, Kyunggi-do 16499, Republic of Korea; Center for Convergence Research of Neurological Disorders, Ajou University School of Medicine, Suwon, Kyunggi-do 16499, Republic of Korea.
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Carnwath TP, Demel SL, Prestigiacomo CJ. Genetics of ischemic stroke functional outcome. J Neurol 2024; 271:2345-2369. [PMID: 38502340 PMCID: PMC11055934 DOI: 10.1007/s00415-024-12263-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 02/14/2024] [Accepted: 02/15/2024] [Indexed: 03/21/2024]
Abstract
Ischemic stroke, which accounts for 87% of cerebrovascular accidents, is responsible for massive global burden both in terms of economic cost and personal hardship. Many stroke survivors face long-term disability-a phenotype associated with an increasing number of genetic variants. While clinical variables such as stroke severity greatly impact recovery, genetic polymorphisms linked to functional outcome may offer physicians a unique opportunity to deliver personalized care based on their patient's genetic makeup, leading to improved outcomes. A comprehensive catalogue of the variants at play is required for such an approach. In this review, we compile and describe the polymorphisms associated with outcome scores such as modified Rankin Scale and Barthel Index. Our search identified 74 known genetic polymorphisms spread across 48 features associated with various poststroke disability metrics. The known variants span diverse biological systems and are related to inflammation, vascular homeostasis, growth factors, metabolism, the p53 regulatory pathway, and mitochondrial variation. Understanding how these variants influence functional outcome may be helpful in maximizing poststroke recovery.
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Affiliation(s)
- Troy P Carnwath
- University of Cincinnati College of Medicine, Cincinnati, OH, 45267, USA.
| | - Stacie L Demel
- Department of Neurology, University of Cincinnati College of Medicine, Cincinnati, OH, 45267, USA
| | - Charles J Prestigiacomo
- Department of Neurosurgery, University of Cincinnati College of Medicine, Cincinnati, OH, 45267, USA
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Nie L, He J, Wang J, Wang R, Huang L, Jia L, Kim YT, Bhawal UK, Fan X, Zille M, Jiang C, Chen X, Wang J. Environmental Enrichment for Stroke and Traumatic Brain Injury: Mechanisms and Translational Implications. Compr Physiol 2023; 14:5291-5323. [PMID: 38158368 DOI: 10.1002/cphy.c230007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Acquired brain injuries, such as ischemic stroke, intracerebral hemorrhage (ICH), and traumatic brain injury (TBI), can cause severe neurologic damage and even death. Unfortunately, currently, there are no effective and safe treatments to reduce the high disability and mortality rates associated with these brain injuries. However, environmental enrichment (EE) is an emerging approach to treating and rehabilitating acquired brain injuries by promoting motor, sensory, and social stimulation. Multiple preclinical studies have shown that EE benefits functional recovery, including improved motor and cognitive function and psychological benefits mediated by complex protective signaling pathways. This article provides an overview of the enriched environment protocols used in animal models of ischemic stroke, ICH, and TBI, as well as relevant clinical studies, with a particular focus on ischemic stroke. Additionally, we explored studies of animals with stroke and TBI exposed to EE alone or in combination with multiple drugs and other rehabilitation modalities. Finally, we discuss the potential clinical applications of EE in future brain rehabilitation therapy and the molecular and cellular changes caused by EE in rodents with stroke or TBI. This article aims to advance preclinical and clinical research on EE rehabilitation therapy for acquired brain injury. © 2024 American Physiological Society. Compr Physiol 14:5291-5323, 2024.
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Affiliation(s)
- Luwei Nie
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinxin He
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
- Key Laboratory for Brain Science Research and Transformation in the Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Junmin Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Ruike Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Leo Huang
- Department of Psychology, University of Toronto, Toronto, Ontario, Canada
| | - Lin Jia
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Yun Tai Kim
- Division of Functional Food Research, Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
- Department of Food Biotechnology, Korea University of Science & Technology, Daejeon, Republic of Korea
| | - Ujjal K Bhawal
- Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Chiba, Japan
- Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India
| | - Xiaochong Fan
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Marietta Zille
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Vienna, Austria
| | - Chao Jiang
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Xuemei Chen
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Jian Wang
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
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Ding N, Luo R, Zhang Q, Li H, Zhang S, Chen H, Hu R. Current Status and Progress in Stem Cell Therapy for Intracerebral Hemorrhage. Transl Stroke Res 2023:10.1007/s12975-023-01216-7. [PMID: 38001353 DOI: 10.1007/s12975-023-01216-7] [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: 09/11/2023] [Revised: 10/23/2023] [Accepted: 11/02/2023] [Indexed: 11/26/2023]
Abstract
Intracerebral hemorrhage is a highly prevalent and prognostically poor disease, imposing immeasurable harm on human life and health. However, the treatment options for intracerebral hemorrhage are severely limited, particularly in terms of improving the microenvironment of the lesion, promoting neuronal cell survival, and enhancing neural function. This review comprehensively discussed the application of stem cell therapy for intracerebral hemorrhage, providing a systematic summary of its developmental history, types of transplants, transplantation routes, and transplantation timing. Moreover, this review presented the latest research progress in enhancing the efficacy of stem cell transplantation, including pretransplantation preconditioning, genetic modification, combined therapy, and other diverse strategies. Furthermore, this review pioneeringly elaborated on the barriers to clinical translation for stem cell therapy. These discussions were of significant importance for promoting stem cell therapy for intracerebral hemorrhage, facilitating its clinical translation, and improving patient prognosis.
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Affiliation(s)
- Ning Ding
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Ran Luo
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Qian Zhang
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Huanhuan Li
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
- Clinical Medical Research Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Shuixian Zhang
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Huanran Chen
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China
| | - Rong Hu
- Department of Neurosurgery and Key Laboratory of Neurotrauma, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, China.
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Dorcet G, Benaiteau M, Pariente J, Ory‐Magne F, Cheuret E, Rafiq M, Brooks W, Puissant‐Lubrano B, Fortenfant F, Renaudineau Y, Bost C. Cerebrospinal fluid YKL-40 level evolution is associated with autoimmune encephalitis remission. Clin Transl Immunology 2023; 12:e1439. [PMID: 36938371 PMCID: PMC10015376 DOI: 10.1002/cti2.1439] [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: 05/19/2022] [Revised: 09/06/2022] [Accepted: 02/04/2023] [Indexed: 03/17/2023] Open
Abstract
Objective Because of its heterogeneity in clinical presentation and course, predicting autoimmune encephalitis (AIE) evolution remains challenging. Hence, our aim was to explore the correlation of several biomarkers with the clinical course of disease. Methods Thirty-seven cases of AIE were selected retrospectively and divided into active (N = 9), improved (N = 12) and remission (N = 16) AIE according to their disease evolution. Nine proteins were tested in both serum and cerebrospinal fluid (CSF) at diagnosis (T0) and during the follow-up (T1), in particular activated MMP-9 (MMP-9A) and YKL-40 (or chitinase 3-like 1). Results From diagnosis to revaluation, AIE remission was associated with decreased YKL-40 and MMP-9A levels in the CSF, and with decreased NfL and NfH levels in the serum. The changes in YKL-40 concentrations in the CSF were associated with (1) still active AIE when increasing >10% (P-value = 0.0093); (2) partial improvement or remission when the changes were between +9% and -20% (P-value = 0.0173); and remission with a reduction > -20% (P-value = 0.0072; overall difference between the three groups: P-value = 0.0088). At T1, the CSF YKL-40 levels were significantly decreased between active and improved as well as improved and remission AIE groups but with no calculable threshold because of patient heterogeneity. Conclusion The concentration of YKL-40, a cytokine-like proinflammatory protein produced by glial cells, is correlated in the CSF with the clinical course of AIE. Its introduction as a biomarker may assist in following disease activity and in evaluating therapeutic response.
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Affiliation(s)
- Guillaume Dorcet
- Département de NeurologieHôpital Pierre Paul Riquet, CHU de ToulouseToulouseFrance
- Laboratoire d'ImmunologieInstitut Fédératif de Biologie, CHU de ToulouseToulouseFrance
- INSERM, INFINITyToulouseFrance
| | - Marie Benaiteau
- Département de NeurologieHôpital Pierre Paul Riquet, CHU de ToulouseToulouseFrance
| | - Jérémie Pariente
- Département de NeurologieHôpital Pierre Paul Riquet, CHU de ToulouseToulouseFrance
- INSERM, ToNICToulouseFrance
| | - Fabienne Ory‐Magne
- Département de NeurologieHôpital Pierre Paul Riquet, CHU de ToulouseToulouseFrance
| | - Emmanuel Cheuret
- Unité Pédiatrique Neuro‐céphaliqueHôpital des Enfants, CHU de ToulouseToulouseFrance
| | - Marie Rafiq
- Département de NeurologieHôpital Pierre Paul Riquet, CHU de ToulouseToulouseFrance
- INSERM, ToNICToulouseFrance
| | - Wesley Brooks
- Department of ChemistryUniversity of South FloridaTampaFLUSA
| | - Bénédicte Puissant‐Lubrano
- Laboratoire d'ImmunologieInstitut Fédératif de Biologie, CHU de ToulouseToulouseFrance
- INSERM, INFINITyToulouseFrance
| | - Françoise Fortenfant
- Laboratoire d'ImmunologieInstitut Fédératif de Biologie, CHU de ToulouseToulouseFrance
| | - Yves Renaudineau
- Laboratoire d'ImmunologieInstitut Fédératif de Biologie, CHU de ToulouseToulouseFrance
- INSERM, INFINITyToulouseFrance
| | - Chloé Bost
- Laboratoire d'ImmunologieInstitut Fédératif de Biologie, CHU de ToulouseToulouseFrance
- INSERM, INFINITyToulouseFrance
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Pekkarinen PT, Carbone F, Minetti S, Ramoni D, Ristagno G, Latini R, Wihersaari L, Blennow K, Zetterberg H, Toppila J, Jakkula P, Reinikainen M, Montecucco F, Skrifvars MB. Markers of neutrophil mediated inflammation associate with disturbed continuous electroencephalogram after out of hospital cardiac arrest. Acta Anaesthesiol Scand 2023; 67:94-103. [PMID: 36053856 PMCID: PMC10087484 DOI: 10.1111/aas.14145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 07/06/2022] [Accepted: 08/17/2022] [Indexed: 12/29/2022]
Abstract
BACKGROUND Achieving an acceptable neurological outcome in cardiac arrest survivors remains challenging. Ischemia-reperfusion injury induces inflammation, which may cause secondary neurological damage. We studied the association of ICU admission levels of inflammatory biomarkers with disturbed 48-hour continuous electroencephalogram (cEEG), and the association of the daily levels of these markers up to 72 h with poor 6-month neurological outcome. METHODS This is an observational, post hoc sub-study of the COMACARE trial. We measured serum concentrations of procalcitonin (PCT), high-sensitivity C-reactive protein (hsCRP), osteopontin (OPN), myeloperoxidase (MPO), resistin, and proprotein convertase subtilisin/kexin type 9 (PCSK9) in 112 unconscious, mechanically ventilated ICU-treated adult OHCA survivors with initial shockable rhythm. We used grading of 48-hour cEEG monitoring as a measure for the severity of the early neurological disturbance. We defined 6-month cerebral performance category (CPC) 1-2 as good and CPC 3-5 as poor long-term neurological outcome. We compared the prognostic value of biomarkers for 6-month neurological outcome to neurofilament light (NFL) measured at 48 h. RESULTS Higher OPN (p = .03), MPO (p < .01), and resistin (p = .01) concentrations at ICU admission were associated with poor grade 48-hour cEEG. Higher levels of ICU admission OPN (OR 3.18; 95% CI 1.25-8.11 per ln[ng/ml]) and MPO (OR 2.34; 95% CI 1.30-4.21) were independently associated with poor 48-hour cEEG in a multivariable logistic regression model. Poor 6-month neurological outcome was more common in the poor cEEG group (63% vs. 19% p < .001, respectively). We found a significant fixed effect of poor 6-month neurological outcome on concentrations of PCT (F = 7.7, p < .01), hsCRP (F = 4.0, p < .05), and OPN (F = 5.6, p < .05) measured daily from ICU admission to 72 h. However, the biomarkers did not have independent predictive value for poor 6-month outcome in a multivariable logistic regression model with 48-hour NFL. CONCLUSION Elevated ICU admission levels of OPN and MPO predicted disturbances in cEEG during the subsequent 48 h after cardiac arrest. Thus, they may provide early information about the risk of secondary neurological damage. However, the studied inflammatory markers had little value for long-term prognostication compared to 48-hour NFL.
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Affiliation(s)
- Pirkka T Pekkarinen
- Division of Intensive Care, Department of Anaesthesiology, Intensive Care and Pain Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Federico Carbone
- Department of Internal Medicine, IRCCS Ospedale Policlinico San Martino Genoa-Italian Cardiovascular Network, Genoa, Italy.,First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Silvia Minetti
- Department of Internal Medicine, IRCCS Ospedale Policlinico San Martino Genoa-Italian Cardiovascular Network, Genoa, Italy.,First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Davide Ramoni
- Department of Internal Medicine, IRCCS Ospedale Policlinico San Martino Genoa-Italian Cardiovascular Network, Genoa, Italy.,First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Giuseppe Ristagno
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy.,Department of Anesthesiology, Intensive Care and Emergency, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Roberto Latini
- Cardiovascular Medicine, Mario Negri Institute for Pharmacological Research IRCCS, Milan, Italy
| | - Lauri Wihersaari
- Department of Anaesthesiology and Intensive Care, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland
| | - Kaj Blennow
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden.,Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden
| | - Henrik Zetterberg
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden.,Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden.,Department of Neurodegenerative Disease, UCL Institute of Neurology, Queen Square, London, UK.,UK Dementia Research Institute at UCL, London, UK.,Hong Kong Center for Neurodegenerative Diseases, Hong Kong, China
| | - Jussi Toppila
- Department of Clinical Neurophysiology, Medical Imaging Center, Helsinki University Central Hospital and Department of Clinical Neurosciences (Neurophysiology), University of Helsinki, Helsinki, Finland
| | - Pekka Jakkula
- Division of Intensive Care, Department of Anaesthesiology, Intensive Care and Pain Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Matti Reinikainen
- Department of Anaesthesiology and Intensive Care, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland
| | - Fabrizio Montecucco
- Department of Internal Medicine, IRCCS Ospedale Policlinico San Martino Genoa-Italian Cardiovascular Network, Genoa, Italy.,First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Markus B Skrifvars
- Department of Emergency Care and Services, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
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Anti-osteopontin therapy leads to improved edema and infarct size in a murine model of ischemic stroke. Sci Rep 2022; 12:20925. [PMID: 36463381 PMCID: PMC9719559 DOI: 10.1038/s41598-022-25245-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 11/28/2022] [Indexed: 12/07/2022] Open
Abstract
Ischemic stroke is a serious neurological disorder that is associated with dysregulation of the neurovascular unit (NVU) and impairment of the blood-brain barrier (BBB). Paradoxically, reperfusion therapies can aggravate NVU and BBB dysfunction, leading to deleterious consequences in addition to the obvious benefits. Using the recently established EPAM-ia method, we identified osteopontin as a target dysregulated in multiple NVU cell types and demonstrated that osteopontin targeting in the early acute phase post-transient middle cerebral artery occlusion (tMCAO) evolves protective effects. Here, we assessed the time course of osteopontin and CD44 receptor expression in NVU cells and examined cerebroprotective effects of osteopontin targeting in early and late acute phases of ischemic stroke. Expression analysis of osteopontin and CD44 receptor post-tMCAO indicated increased levels of both, from early to late acute phases, which was supported by their co-localization in NVU cells. Combined osteopontin targeting in early and late acute phases with anti-osteopontin antibody resulted in further improvement in BBB recovery and edema reduction compared to targeting only in the early acute phase comprising the reperfusion window. Combined targeting led to reduced infarct volumes, which was not observed for the single early acute phase targeting. The effects of the therapeutic antibody were confirmed both in vitro and in vivo in reducing osteopontin and CD44 expression. Osteopontin targeting at the NVU in early and late acute phases of ischemic stroke improves edema and infarct size in mice, suggesting anti-osteopontin therapy as promising adjunctive treatment to reperfusion therapy.
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Liao H, Zou Z, Liu W, Guo X, Xie J, Li L, Li X, Gan X, Huang X, Liu J, Li W, Zeng H, Chen Z, Jiang Q, Yao H. Osteopontin-integrin signaling positively regulates neuroplasticity through enhancing neural autophagy in the peri-infarct area after ischemic stroke. Am J Transl Res 2022; 14:7726-7743. [PMID: 36505285 PMCID: PMC9730111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 09/27/2022] [Indexed: 12/15/2022]
Abstract
OBJECTIVE To investigate the role of Osteopontin (OPN) in mediating macroautophagy, autophagy, and neuroplasticity in the ipsilateral hemisphere after stroke. METHODS Focal stroke was induced by photothrombosis in adult mice. Spatiotemporal expression of endogenous OPN and BECN1 was assessed by immunohistochemistry. Motor function was determined by the grid-walking and cylinder tasks. We also evaluated markers of neuroplasticity and autophagy using biochemical and histology analyses. RESULTS Herein, we showed that endogenous OPN and beclin1 were increased in the peri-infarct area of stroked patients and mice. Intracerebral administration of OPN (0.1 mg/ml; 3 ml) significantly improved performance in motor behavioral tasks compared with non-OPN-treated stroke mice. Furthermore, the neural repair was induced in OPN-treated stroke mice. We found that OPN treatment resulted in a significantly higher density of a presynaptic marker (vesicular glutamate transporter 1, VgluT1) and synaptic plasticity marker (synaptophysin, SYN) within the peri-infarct region. OPN treatment in stroke mice not only increased protein levels of integrin β1 but also promoted the expression of beclin1 and LC3, two autophagy-related proteins in the peri-infarct area. Additionally, OPN-induced neuroplasticity and autophagy were blocked by an integrin antagonist. CONCLUSION Our findings indicate that OPN may enhance neuroplasticity via autophagy, providing a new therapeutic strategy for ischemic stroke.
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Affiliation(s)
- Haikang Liao
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical UniversityGuilin, Guangxi, China,Key Laboratory of Alzheimer’s Disease of Zhejiang Province, Institute of Aging Wenzhou Medical University, Oujiang LaboratoryWenzhou, Zhejiang, China,Institute of Neurology and Chemistry Wenzhou UniversityWenzhou, Zhejiang, China
| | - Zhenyou Zou
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical UniversityGuilin, Guangxi, China
| | - Weiqin Liu
- The Ganzhou People’s HospitalGanzhou, Jiangxi, China
| | - Xuefeng Guo
- Department of Epidemiology and Health Statistics, School of Public Health, Guilin Medical UniversityGuilin, Guangxi, China
| | - Jinlu Xie
- School of Medicine, Huzhou University, Huzhou Central HospitalHuzhou, Zhejiang, China
| | - Liangxian Li
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical UniversityGuilin, Guangxi, China
| | - Xia Li
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical UniversityGuilin, Guangxi, China
| | - Xinying Gan
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical UniversityGuilin, Guangxi, China
| | - Xiansheng Huang
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical UniversityGuilin, Guangxi, China
| | - Juxia Liu
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical UniversityGuilin, Guangxi, China
| | - Wenyang Li
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical UniversityGuilin, Guangxi, China
| | - Hongji Zeng
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical UniversityGuilin, Guangxi, China
| | - Zheng Chen
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical UniversityGuilin, Guangxi, China,School of Medicine, Huzhou University, Huzhou Central HospitalHuzhou, Zhejiang, China
| | - Qiuhua Jiang
- The Ganzhou People’s HospitalGanzhou, Jiangxi, China
| | - Hua Yao
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical UniversityGuilin, Guangxi, China
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9
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Simoes DCM, Paschalidis N, Kourepini E, Panoutsakopoulou V. An integrin axis induces IFN-β production in plasmacytoid dendritic cells. J Biophys Biochem Cytol 2022; 221:213363. [PMID: 35878016 PMCID: PMC9354318 DOI: 10.1083/jcb.202102055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 08/30/2021] [Accepted: 10/06/2021] [Indexed: 11/22/2022] Open
Abstract
Type I interferon (IFN) production by plasmacytoid dendritic cells (pDCs) has been mainly studied in the context of Toll-like receptor (TLR) activation. In the current report, we reveal that, in the absence of TLR activation, the integrin-binding SLAYGLR motif of secreted osteopontin (sOpn) induces IFN-β production in murine pDCs. This process is mediated by α4β1 integrin, indicating that integrin triggering may act as a subtle danger signal leading to IFN-β induction. The SLAYGLR-mediated α4 integrin/IFN-β axis is MyD88 independent and operates via a PI3K/mTOR/IRF3 pathway. Consequently, SLAYGLR-treated pDCs produce increased levels of type I IFNs following TLR stimulation. Intratumoral administration of SLAYGLR induces accumulation of IFN-β-expressing pDCs and efficiently suppresses melanoma tumor growth. In this process, pDCs are crucial. Finally, SLAYGLR enhances pDC development from bone marrow progenitors. These findings open new questions on the roles of sOpn and integrin α4 during homeostasis and inflammation. The newly identified integrin/IFN-β axis may be implicated in a wide array of immune responses.
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Affiliation(s)
- Davina Camargo Madeira Simoes
- Cellular Immunology Laboratory of Vily Panoutsakopoulou, Center for Basic Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece.,Faculty of Health and Life Sciences, Northumbria University Newcastle, Newcastle upon Tyne, UK
| | - Nikolaos Paschalidis
- Cellular Immunology Laboratory of Vily Panoutsakopoulou, Center for Basic Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Evangelia Kourepini
- Cellular Immunology Laboratory of Vily Panoutsakopoulou, Center for Basic Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Vily Panoutsakopoulou
- Cellular Immunology Laboratory of Vily Panoutsakopoulou, Center for Basic Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
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10
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Yshii L, Pasciuto E, Bielefeld P, Mascali L, Lemaitre P, Marino M, Dooley J, Kouser L, Verschoren S, Lagou V, Kemps H, Gervois P, de Boer A, Burton OT, Wahis J, Verhaert J, Tareen SHK, Roca CP, Singh K, Whyte CE, Kerstens A, Callaerts-Vegh Z, Poovathingal S, Prezzemolo T, Wierda K, Dashwood A, Xie J, Van Wonterghem E, Creemers E, Aloulou M, Gsell W, Abiega O, Munck S, Vandenbroucke RE, Bronckaers A, Lemmens R, De Strooper B, Van Den Bosch L, Himmelreich U, Fitzsimons CP, Holt MG, Liston A. Astrocyte-targeted gene delivery of interleukin 2 specifically increases brain-resident regulatory T cell numbers and protects against pathological neuroinflammation. Nat Immunol 2022; 23:878-891. [PMID: 35618831 PMCID: PMC9174055 DOI: 10.1038/s41590-022-01208-z] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/11/2022] [Indexed: 12/21/2022]
Abstract
The ability of immune-modulating biologics to prevent and reverse pathology has transformed recent clinical practice. Full utility in the neuroinflammation space, however, requires identification of both effective targets for local immune modulation and a delivery system capable of crossing the blood-brain barrier. The recent identification and characterization of a small population of regulatory T (Treg) cells resident in the brain presents one such potential therapeutic target. Here, we identified brain interleukin 2 (IL-2) levels as a limiting factor for brain-resident Treg cells. We developed a gene-delivery approach for astrocytes, with a small-molecule on-switch to allow temporal control, and enhanced production in reactive astrocytes to spatially direct delivery to inflammatory sites. Mice with brain-specific IL-2 delivery were protected in traumatic brain injury, stroke and multiple sclerosis models, without impacting the peripheral immune system. These results validate brain-specific IL-2 gene delivery as effective protection against neuroinflammation, and provide a versatile platform for delivery of diverse biologics to neuroinflammatory patients.
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Affiliation(s)
- Lidia Yshii
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
| | - Emanuela Pasciuto
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
| | - Pascal Bielefeld
- Swammerdam Institute for Life Sciences, Faculty of Science, University of Amsterdam, Amsterdam, Netherlands
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, United Kingdom
| | - Loriana Mascali
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium
| | - Pierre Lemaitre
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium
| | - Marika Marino
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
| | - James Dooley
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, United Kingdom
| | - Lubna Kouser
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, United Kingdom
| | - Stijn Verschoren
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
| | - Vasiliki Lagou
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium
| | - Hannelore Kemps
- Cardio & Organ Systems (COST), Biomedical Research Institute (BIOMED), Hasselt University, Diepenbeek, Belgium
| | - Pascal Gervois
- Cardio & Organ Systems (COST), Biomedical Research Institute (BIOMED), Hasselt University, Diepenbeek, Belgium
| | - Antina de Boer
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
| | - Oliver T Burton
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, United Kingdom
| | - Jérôme Wahis
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
| | - Jens Verhaert
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
| | - Samar H K Tareen
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, United Kingdom
| | - Carlos P Roca
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, United Kingdom
| | - Kailash Singh
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, United Kingdom
| | - Carly E Whyte
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, United Kingdom
| | - Axelle Kerstens
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
- VIB Bio-Imaging Core, Leuven, Belgium
| | | | | | - Teresa Prezzemolo
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium
| | - Keimpe Wierda
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
- VIB-KU Leuven Center for Brain & Disease Research, Electrophysiology Expertise Unit, Leuven, Belgium
| | - Amy Dashwood
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, United Kingdom
| | - Junhua Xie
- VIB Center for Inflammation Research, Ghent, Belgium
- Department of Biomedical Molecular Biology, Faculty of Sciences, Ghent University, Ghent, Belgium
| | - Elien Van Wonterghem
- VIB Center for Inflammation Research, Ghent, Belgium
- Department of Biomedical Molecular Biology, Faculty of Sciences, Ghent University, Ghent, Belgium
| | - Eline Creemers
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
- VIB-KU Leuven Center for Brain & Disease Research, Electrophysiology Expertise Unit, Leuven, Belgium
| | - Meryem Aloulou
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, United Kingdom
- Toulouse Institute for Infectious and Inflammatory diseases (INFINITY), INSERM UMR1291, CNRS UMR 5051, Toulouse, France
| | - Willy Gsell
- KU Leuven, Department of Imaging and Pathology, Biomedical MRI, Leuven, Belgium
| | - Oihane Abiega
- Swammerdam Institute for Life Sciences, Faculty of Science, University of Amsterdam, Amsterdam, Netherlands
| | - Sebastian Munck
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
- VIB Bio-Imaging Core, Leuven, Belgium
| | - Roosmarijn E Vandenbroucke
- VIB Center for Inflammation Research, Ghent, Belgium
- Department of Biomedical Molecular Biology, Faculty of Sciences, Ghent University, Ghent, Belgium
| | - Annelies Bronckaers
- Cardio & Organ Systems (COST), Biomedical Research Institute (BIOMED), Hasselt University, Diepenbeek, Belgium
| | - Robin Lemmens
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
- University Hospitals Leuven, Department of Neurology, Leuven, Belgium
| | - Bart De Strooper
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
- Dementia Research Institute, University College London, London, United Kingdom
| | - Ludo Van Den Bosch
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium
- KU Leuven - Department of Neurosciences, Leuven, Belgium
| | - Uwe Himmelreich
- KU Leuven, Department of Imaging and Pathology, Biomedical MRI, Leuven, Belgium
| | - Carlos P Fitzsimons
- Swammerdam Institute for Life Sciences, Faculty of Science, University of Amsterdam, Amsterdam, Netherlands
| | - Matthew G Holt
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium.
- KU Leuven - Department of Neurosciences, Leuven, Belgium.
- Instituto de Investigaçāo e Inovaçāo em Saúde (i3S), University of Porto, Porto, Portugal.
| | - Adrian Liston
- VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium.
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Leuven, Belgium.
- Immunology Programme, The Babraham Institute, Babraham Research Campus, Cambridge, United Kingdom.
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11
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Kalinin S, Boullerne AI, Feinstein DL. Serum levels of lipocalin-2 are elevated at early times in African American relapsing remitting multiple sclerosis patients. J Neuroimmunol 2022; 364:577810. [DOI: 10.1016/j.jneuroim.2022.577810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/05/2022] [Accepted: 01/06/2022] [Indexed: 10/19/2022]
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12
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Ikeshima-Kataoka H, Sugimoto C, Tsubokawa T. Integrin Signaling in the Central Nervous System in Animals and Human Brain Diseases. Int J Mol Sci 2022; 23:ijms23031435. [PMID: 35163359 PMCID: PMC8836133 DOI: 10.3390/ijms23031435] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/24/2022] [Accepted: 01/25/2022] [Indexed: 02/06/2023] Open
Abstract
The integrin family is involved in various biological functions, including cell proliferation, differentiation and migration, and also in the pathogenesis of disease. Integrins are multifunctional receptors that exist as heterodimers composed of α and β subunits and bind to various ligands, including extracellular matrix (ECM) proteins; they are found in many animals, not only vertebrates (e.g., mouse, rat, and teleost fish), but also invertebrates (e.g., planarian flatworm, fruit fly, nematodes, and cephalopods), which are used for research on genetics and social behaviors or as models for human diseases. In the present paper, we describe the results of a phylogenetic tree analysis of the integrin family among these species. We summarize integrin signaling in teleost fish, which serves as an excellent model for the study of regenerative systems and possesses the ability for replacing missing tissues, especially in the central nervous system, which has not been demonstrated in mammals. In addition, functions of astrocytes and reactive astrocytes, which contain neuroprotective subpopulations that act in concert with the ECM proteins tenascin C and osteopontin via integrin are also reviewed. Drug development research using integrin as a therapeutic target could result in breakthroughs for the treatment of neurodegenerative diseases and brain injury in mammals.
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Affiliation(s)
- Hiroko Ikeshima-Kataoka
- Department of Biology, Keio University, 4-1-1, Hiyoshi, Kohoku-ku, Yokohama-shi 223-8521, Japan; (C.S.); (T.T.)
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
- Correspondence:
| | - Chikatoshi Sugimoto
- Department of Biology, Keio University, 4-1-1, Hiyoshi, Kohoku-ku, Yokohama-shi 223-8521, Japan; (C.S.); (T.T.)
| | - Tatsuya Tsubokawa
- Department of Biology, Keio University, 4-1-1, Hiyoshi, Kohoku-ku, Yokohama-shi 223-8521, Japan; (C.S.); (T.T.)
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13
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Luo W, Yang Z, Zhang W, Zhou D, Guo X, Wang S, He F, Wang Y. Quantitative Proteomics Reveals the Dynamic Pathophysiology Across Different Stages in a Rat Model of Severe Traumatic Brain Injury. Front Mol Neurosci 2022; 14:785938. [PMID: 35145378 PMCID: PMC8821658 DOI: 10.3389/fnmol.2021.785938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 12/30/2021] [Indexed: 11/30/2022] Open
Abstract
Background Severe traumatic brain injury (TBI) has become a global health problem and causes a vast worldwide societal burden. However, distinct mechanisms between acute and subacute stages have not been systemically revealed. The present study aimed to identify differentially expressed proteins in severe TBI from the acute to subacute phase. Methods Sixty Sprague Dawley (SD) rats were randomly divided into sham surgery and model groups. The severe TBI models were induced by the controlled cortical impact (CCI) method. We evaluated the neurological deficits through the modified neurological severity score (NSS). Meanwhile, H&E staining and immunofluorescence were performed to assess the injured brain tissues. The protein expressions of the hippocampus on the wounded side of CCI groups and the same side of Sham groups were analyzed by the tandem mass tag-based (TMT) quantitative proteomics on the third and fourteenth days. Then, using the gene ontology (GO), Kyoto encyclopedia of genes and genomes (KEGG), and protein–protein interaction (PPI), the shared and stage-specific differentially expressed proteins (DEPs) were screened, analyzed, and visualized. Eventually, target proteins were further verified by Western blotting (WB). Results In the severe TBI, the neurological deficits always exist from the acute stage to the subacute stage, and brain parenchyma was dramatically impaired in either period. Of the significant DEPs identified, 312 were unique to the acute phase, 76 were specific to the subacute phase, and 63 were shared in both. Of the 375 DEPs between Sham-a and CCI-a, 240 and 135 proteins were up-regulated and down-regulated, respectively. Of 139 DEPs, 84 proteins were upregulated, and 55 were downregulated in the Sham-s and CCI-s. Bioinformatics analysis revealed that the differential pathophysiology across both stages. One of the most critical shared pathways is the complement and coagulation cascades. Notably, three pathways associated with gastric acid secretion, insulin secretion, and thyroid hormone synthesis were only enriched in the acute phase. Amyotrophic lateral sclerosis (ALS) was significantly enriched in the subacute stage. WB experiments confirmed the reliability of the TMT quantitative proteomics results. Conclusion Our findings highlight the same and different pathological processes in the acute and subacute phases of severe TBI at the proteomic level. The results of potential protein biomarkers might facilitate the design of novel strategies to treat TBI.
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Affiliation(s)
- Weikang Luo
- Department of Integrated Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Zhaoyu Yang
- Department of Integrated Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Wei Zhang
- The College of Integrated Traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, China
| | - Dan Zhou
- Periodical Office, Hunan University of Chinese Medicine, Changsha, China
| | - Xiaohang Guo
- Medical School, Hunan University of Chinese Medicine, Changsha, China
| | - Shunshun Wang
- Postpartum Health Care Department, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, China
| | - Feng He
- Department of General Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Yang Wang
- Department of Integrated Chinese and Western Medicine, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Yang Wang,
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14
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Wang L, Wu R. Clinical Effectiveness of Pre-hospital and In-hospital Optimized Emergency Care Procedures for Patients With Acute Craniocerebral Trauma. Front Surg 2022; 8:830571. [PMID: 35111807 PMCID: PMC8801443 DOI: 10.3389/fsurg.2021.830571] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 12/20/2021] [Indexed: 11/23/2022] Open
Abstract
Acute craniocerebral injury is a common traumatic disease in clinical practice, characterized by rapid changes in condition and a high rate of death and disability. Early and effective emergency care throughout the pre-hospital and in-hospital period is the key to reducing the rate of death and disability and promoting the recovery of patients. In this study, we conducted an observational study of 130 patients with acute craniocerebral injury admitted between May 2020 and May 2021. Patients were randomly divided into a regular group and an optimization group of 65 patients each, with patients in the regular group receiving the conventional emergency care model and patients in the optimization group receiving the pre-hospital and in-hospital optimal emergency care process for intervention. In this study, we observed and compared the time taken to arrive at the scene, assess the condition, attend to the patient and provide emergency care, the success rate of emergency care within 48 h, the interleukin-6 (IL-6), interleukin-8 (IL-8), and intercellular adhesion molecule-1 (ICAM-1) after admission and 1 day before discharge, the National Institute of Health Stroke Scale (NIHSS) and the Short Form 36-item Health Survey (SF-36) after resuscitation and 1 day before discharge, and the complications of infection, brain herniation, central hyperthermia, and electrolyte disturbances in both groups. We collected and statistically analyzed the recorded data. The results showed that the time taken to arrive at the consultation site, assess the condition, receive the consultation, provide first aid was significantly lower in the optimized group than in the regular group (P < 0.05); the success rate of treatment was significantly higher in the optimized group than in the regular group (P < 0.05). In both groups, IL-6, IL-8, and ICAM-1 decreased on the day before discharge compared with the day of rescue, with the levels of each index lower in the optimization group than in the regular group (P < 0.05); the NIHSS scores decreased and the SF-36 scores increased on the day before discharge compared with the successful rescue in both groups, with the NIHSS scores in the optimization group lower than in the regular group and the SF-36 scores higher than in the control group (P < 0.05). The overall complication rate in the optimization group was significantly lower than that in the regular group (P < 0.05). This shows that optimizing pre-hospital and in-hospital emergency care procedures can significantly shorten the time to emergency care for patients with acute craniocerebral injury, increase the success rate, reduce inflammation, improve neurological function and quality of life, reduce the occurrence of complications, and improve patient prognosis.
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Affiliation(s)
- Lili Wang
- Department of Emergency, The Nanhua Affiliated Hospital, Hengyang Medical College, University of South China, Hengyang, China
| | - Rong Wu
- Department of Outpatients, The Nanhua Affiliated Hospital, Hengyang Medical College, University of South China, Hengyang, China
- *Correspondence: Rong Wu
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15
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Spitzer D, Guérit S, Puetz T, Khel MI, Armbrust M, Dunst M, Macas J, Zinke J, Devraj G, Jia X, Croll F, Sommer K, Filipski K, Freiman TM, Looso M, Günther S, Di Tacchio M, Plate KH, Reiss Y, Liebner S, Harter PN, Devraj K. Profiling the neurovascular unit unveils detrimental effects of osteopontin on the blood-brain barrier in acute ischemic stroke. Acta Neuropathol 2022; 144:305-337. [PMID: 35752654 PMCID: PMC9288377 DOI: 10.1007/s00401-022-02452-1] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 06/07/2022] [Accepted: 06/07/2022] [Indexed: 11/01/2022]
Abstract
Blood-brain barrier (BBB) dysfunction, characterized by degradation of BBB junctional proteins and increased permeability, is a crucial pathophysiological feature of acute ischemic stroke. Dysregulation of multiple neurovascular unit (NVU) cell types is involved in BBB breakdown in ischemic stroke that may be further aggravated by reperfusion therapy. Therefore, therapeutic co-targeting of dysregulated NVU cell types in acute ischemic stroke constitutes a promising strategy to preserve BBB function and improve clinical outcome. However, methods for simultaneous isolation of multiple NVU cell types from the same diseased central nervous system (CNS) tissue, crucial for the identification of therapeutic targets in dysregulated NVU cells, are lacking. Here, we present the EPAM-ia method, that facilitates simultaneous isolation and analysis of the major NVU cell types (endothelial cells, pericytes, astrocytes and microglia) for the identification of therapeutic targets in dysregulated NVU cells to improve the BBB function. Applying this method, we obtained a high yield of pure NVU cells from murine ischemic brain tissue, and generated a valuable NVU transcriptome database ( https://bioinformatics.mpi-bn.mpg.de/SGD_Stroke ). Dissection of the NVU transcriptome revealed Spp1, encoding for osteopontin, to be highly upregulated in all NVU cells 24 h after ischemic stroke. Upregulation of osteopontin was confirmed in stroke patients by immunostaining, which was comparable with that in mice. Therapeutic targeting by subcutaneous injection of an anti-osteopontin antibody post-ischemic stroke in mice resulted in neutralization of osteopontin expression in the NVU cell types investigated. Apart from attenuated glial activation, osteopontin neutralization was associated with BBB preservation along with decreased brain edema and reduced risk for hemorrhagic transformation, resulting in improved neurological outcome and survival. This was supported by BBB-impairing effects of osteopontin in vitro. The clinical significance of these findings is that anti-osteopontin antibody therapy might augment current approved reperfusion therapies in acute ischemic stroke by minimizing deleterious effects of ischemia-induced BBB disruption.
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Affiliation(s)
- Daniel Spitzer
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany ,Department of Neurology, University Hospital, Goethe University, 60528 Frankfurt, Germany ,grid.7839.50000 0004 1936 9721LOEWE - Center for Personalized Translational Epilepsy Research (CePTER), Goethe University, 60528 Frankfurt, Germany
| | - Sylvaine Guérit
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany
| | - Tim Puetz
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany ,Department of Neurology, University Hospital, Goethe University, 60528 Frankfurt, Germany
| | - Maryam I. Khel
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany
| | - Moritz Armbrust
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany
| | - Maika Dunst
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany
| | - Jadranka Macas
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany
| | - Jenny Zinke
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany
| | - Gayatri Devraj
- Institute for Medical Microbiology and Infection Control, University Hospital, Goethe University, 60528 Frankfurt, Germany
| | - Xiaoxiong Jia
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany
| | - Florian Croll
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany
| | - Kathleen Sommer
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany
| | - Katharina Filipski
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany ,grid.7497.d0000 0004 0492 0584German Cancer Consortium (DKTK) Partner site Frankfurt/Mainz, 60528 Frankfurt, Germany ,grid.7497.d0000 0004 0492 0584German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany ,grid.511198.5Frankfurt Cancer Institute (FCI), 60528 Frankfurt, Germany
| | - Thomas M. Freiman
- grid.413108.f0000 0000 9737 0454Department of Neurosurgery, University Medical Center Rostock, 18057 Rostock, Germany ,grid.7839.50000 0004 1936 9721LOEWE - Center for Personalized Translational Epilepsy Research (CePTER), Goethe University, 60528 Frankfurt, Germany
| | - Mario Looso
- grid.418032.c0000 0004 0491 220XMax Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
| | - Stefan Günther
- grid.418032.c0000 0004 0491 220XMax Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
| | - Mariangela Di Tacchio
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany
| | - Karl-Heinz Plate
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany ,grid.7497.d0000 0004 0492 0584German Cancer Consortium (DKTK) Partner site Frankfurt/Mainz, 60528 Frankfurt, Germany ,grid.7497.d0000 0004 0492 0584German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany ,grid.511198.5Frankfurt Cancer Institute (FCI), 60528 Frankfurt, Germany ,grid.452396.f0000 0004 5937 5237German Center for Cardiovascular Research (DZHK), Partner Site Frankfurt/Mainz, 60528 Frankfurt, Germany ,grid.7839.50000 0004 1936 9721LOEWE - Center for Personalized Translational Epilepsy Research (CePTER), Goethe University, 60528 Frankfurt, Germany
| | - Yvonne Reiss
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany ,grid.7497.d0000 0004 0492 0584German Cancer Consortium (DKTK) Partner site Frankfurt/Mainz, 60528 Frankfurt, Germany ,grid.7497.d0000 0004 0492 0584German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany ,grid.511198.5Frankfurt Cancer Institute (FCI), 60528 Frankfurt, Germany ,grid.7839.50000 0004 1936 9721LOEWE - Center for Personalized Translational Epilepsy Research (CePTER), Goethe University, 60528 Frankfurt, Germany
| | - Stefan Liebner
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany ,grid.452396.f0000 0004 5937 5237German Center for Cardiovascular Research (DZHK), Partner Site Frankfurt/Mainz, 60528 Frankfurt, Germany ,Excellence Cluster Cardio Pulmonary System (CPI), Partner Site Frankfurt, 60528 Frankfurt, Germany ,grid.7839.50000 0004 1936 9721LOEWE - Center for Personalized Translational Epilepsy Research (CePTER), Goethe University, 60528 Frankfurt, Germany
| | - Patrick N. Harter
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528 Frankfurt, Germany ,grid.7497.d0000 0004 0492 0584German Cancer Consortium (DKTK) Partner site Frankfurt/Mainz, 60528 Frankfurt, Germany ,grid.7497.d0000 0004 0492 0584German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany ,grid.511198.5Frankfurt Cancer Institute (FCI), 60528 Frankfurt, Germany ,grid.7839.50000 0004 1936 9721LOEWE - Center for Personalized Translational Epilepsy Research (CePTER), Goethe University, 60528 Frankfurt, Germany
| | - Kavi Devraj
- Edinger Institute (Institute of Neurology), University Hospital, Goethe University, 60528, Frankfurt, Germany. .,Frankfurt Cancer Institute (FCI), 60528, Frankfurt, Germany. .,LOEWE - Center for Personalized Translational Epilepsy Research (CePTER), Goethe University, 60528, Frankfurt, Germany.
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16
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Du Y, Zhang L, Wang Z, Zhao X, Zou J. Endocrine Regulation of Extra-skeletal Organs by Bone-derived Secreted Protein and the effect of Mechanical Stimulation. Front Cell Dev Biol 2021; 9:778015. [PMID: 34901023 PMCID: PMC8652208 DOI: 10.3389/fcell.2021.778015] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/03/2021] [Indexed: 12/23/2022] Open
Abstract
Bone serves as the support for body and provide attachment points for the muscles. The musculoskeletal system is the basis for the human body to complete exercise. Studies believe that bone is not only the basis for constructing structures, but also participates in the regulation of organs outside bone. The realization of this function is closely related to the protein secreted by bone. Whether bone can realize their positions in the human body is also related to their secretion. Bone-derived proteins provide a medium for the targeted regulation of bones on organs, making the role of bone in human body more profound and concrete. Mechanical stimulation effects the extra-skeletal organs by causing quantitative changes in bone-derived factors. When bone receives mechanical stimulation, the nichle of bone responds, and the secretion of various factors changes. However, whether the proteins secreted by bone can interfere with disease requires more research. In this review article, we will first introduce the important reasons and significance of the in-depth study on bone-derived secretory proteins, and summarize the locations, structures and functions of these proteins. These functions will not only focus on the bone metabolism process, but also be reflected in the cross-organ regulation. We specifically explain the role of typical bone-derived secretory factors such as osteocalcin (OCN), osteopontin (OPN), sclerostin (SOST) and fibroblast growth factor 23 (FGF23) in different organs and metabolic processes, then establishing the relationship between them and diseases. Finally, we will discuss whether exercise or mechanical stimulation can have a definite effect on bone-derived secretory factors. Understanding their important role in cross-organ regulation is of great significance for the treatment of diseases, especially for the elderly people with more than one basic disease.
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Affiliation(s)
- Yuxiang Du
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Lingli Zhang
- School of Physical Education and Sports Science, South China Normal University, Guangzhou, China
| | - Zhikun Wang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Xuan Zhao
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Jun Zou
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
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17
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Zubareva EY, Senchukova MA. Prognostic and predictive significance of osteopontin in malignant neoplasms. ADVANCES IN MOLECULAR ONCOLOGY 2021. [DOI: 10.17650/2313-805x-2021-8-2-23-28] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Osteopontin is an extracellular matrix protein which is produced by different types of cells and plays an important functional role in many biological processes. This review discusses the main functions of osteopontin, its role in the progression and chemoresistance of malignant neoplasms, in the regulation of epithelial-mesenchymal transition, angiogenesis, and the body’s immune response to the tumor. The article considers the currently known mechanisms by which osteopontin affects to the survival, mobility and invasion of tumor cells, to tumor sensitivity to drug treatment, as well as the prospects for a integrated study of the predictive significance of osteopontin, markers of hypoxia, angiogenesis, epithelial- mesenchymal transition, and immunological tolerance.
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Affiliation(s)
- E. Yu. Zubareva
- Orenburg Regional Clinical Oncological Dispensary; Orenburg State Medical University
| | - M. A. Senchukova
- Orenburg Regional Clinical Oncological Dispensary; Orenburg State Medical University
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18
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Chen H, Shang D, Wen Y, Liang C. Bone-Derived Modulators That Regulate Brain Function: Emerging Therapeutic Targets for Neurological Disorders. Front Cell Dev Biol 2021; 9:683457. [PMID: 34179014 PMCID: PMC8222721 DOI: 10.3389/fcell.2021.683457] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 05/18/2021] [Indexed: 12/31/2022] Open
Abstract
Bone has traditionally been regarded as a structural organ that supports and protects the various organs of the body. Recent studies suggest that bone also acts as an endocrine organ to regulate whole-body metabolism. Particularly, homeostasis of the bone is shown to be necessary for brain development and function. Abnormal bone metabolism is associated with the onset and progression of neurological disorders. Recently, multiple bone-derived modulators have been shown to participate in brain function and neurological disorders, including osteocalcin, lipocalin 2, and osteopontin, as have bone marrow-derived cells such as mesenchymal stem cells, hematopoietic stem cells, and microglia-like cells. This review summarizes current findings regarding the roles of these bone-derived modulators in the brain, and also follows their involvement in the pathogenesis of neurological disorders. The content of this review may aide in the development of promising therapeutic strategies for neurological disorders via targeting bone.
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Affiliation(s)
- Hongzhen Chen
- Department of Biology, Southern University of Science and Technology, Shenzhen, China.,Department of Pharmacy, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Dewei Shang
- Department of Pharmacy, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yuguan Wen
- Department of Pharmacy, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China
| | - Chao Liang
- Department of Biology, Southern University of Science and Technology, Shenzhen, China
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19
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Strickland BA, Bakhsheshian J, Emmanuel B, Amar A, Giannotta SL, Russin JJ, Mack W. Neuroprotective effect of minocycline against acute brain injury in clinical practice: A systematic review. J Clin Neurosci 2021; 86:50-57. [PMID: 33775346 DOI: 10.1016/j.jocn.2021.01.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 12/03/2020] [Accepted: 01/07/2021] [Indexed: 01/19/2023]
Abstract
Acute brain injury is a leading cause of morbidity and mortality worldwide. The term is inclusive of traumatic brain injury, cerebral ischemia, subarachnoid hemorrhage, and intracerebral hemorrhage. Current pharmacologic treatments have had minimal effect on improving neurological outcomes leading to a significant interest in the development neuroprotective agents. Minocycline is a second-generation tetracycline with high blood brain barrier penetrance due to its lipophilic properties. It functions across multiple molecular pathways involved in secondary-injury cascades following acute brain injury. Animal model studies suggest that minocycline might lead to improved neurologic outcomes, but few such trials exist in humans. Clinical investigations have been limited to small randomized trials in ischemic stroke patients which have not demonstrated a clear advantage in neurologic outcomes, but also have not been sufficiently powered to draw definitive conclusions. The potential neuroprotective effect of minocycline in the setting of traumatic brain injury, subarachnoid hemorrhage, and intracerebral hemorrhage have all been limited to pilot studies with phase II/III investigations pending. The authors aim to synthesize what is currently known about minocycline as a neuroprotective agent against acute brain injury in humans.
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Affiliation(s)
- Ben A Strickland
- Department of Neurosurgery, University of Southern California, Los Angeles, CA 90033, USA.
| | - Joshua Bakhsheshian
- Department of Neurosurgery, University of Southern California, Los Angeles, CA 90033, USA
| | - Ben Emmanuel
- Department of Neurosurgery, University of Southern California, Los Angeles, CA 90033, USA
| | - Arun Amar
- Department of Neurosurgery, University of Southern California, Los Angeles, CA 90033, USA
| | - Steven L Giannotta
- Department of Neurosurgery, University of Southern California, Los Angeles, CA 90033, USA
| | - Jonathan J Russin
- Department of Neurosurgery, University of Southern California, Los Angeles, CA 90033, USA
| | - William Mack
- Department of Neurosurgery, University of Southern California, Los Angeles, CA 90033, USA
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20
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Asada R, Nakatsuka Y, Kanamaru H, Kawakita F, Fujimoto M, Miura Y, Shiba M, Yasuda R, Toma N, Suzuki H. Higher Plasma Osteopontin Concentrations Associated with Subsequent Development of Chronic Shunt-Dependent Hydrocephalus After Aneurysmal Subarachnoid Hemorrhage. Transl Stroke Res 2021; 12:808-816. [PMID: 33423213 DOI: 10.1007/s12975-020-00886-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/27/2020] [Accepted: 12/28/2020] [Indexed: 01/30/2023]
Abstract
A matricellular protein osteopontin (OPN) is considered to exert neuroprotective and healing effects on neurovascular injuries in an acute phase of aneurysmal subarachnoid hemorrhage (SAH). However, the relationships between OPN expression and chronic shunt-dependent hydrocephalus (SDHC) have never been investigated. In 166 SAH patients (derivation and validation cohorts, 110 and 56, respectively), plasma OPN levels were serially measured at days1-3, 4-6, 7-9, and 10-12 after aneurysmal obliteration. The OPN levels and clinical factors were compared between patients with and without subsequent development of chronic SDHC. Plasma OPN levels in the SDHC patients increased from days 1-3 to days 4-6 and remained high thereafter, while those in the non-SDHC patients peaked at days 4-6 and then decreased over time. Plasma OPN levels had no correlation with serum levels of C-reactive protein (CRP), a systemic inflammatory marker. Univariate analyses showed that age, modified Fisher grade, acute hydrocephalus, cerebrospinal fluid drainage, and OPN and CRP levels at days 10-12 were significantly different between patients with and without SDHC. Multivariate analyses revealed that higher plasma OPN levels at days 10-12 were an independent factor associated with the development of SDHC, in addition to a more frequent use of cerebrospinal fluid drainage and higher modified Fisher grade at admission. Plasma OPN levels at days 10-12 maintained similar discrimination power in the validation cohort and had good calibration on the Hosmer-Lemeshow goodness-of-fit test. Prolonged higher expression of OPN may contribute to the development of post-SAH SDHC, possibly by excessive repairing effects promoting fibrosis in the subarachnoid space.
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Affiliation(s)
- Reona Asada
- Department of Neurosurgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Yoshinari Nakatsuka
- Department of Neurosurgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Hideki Kanamaru
- Department of Neurosurgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Fumihiro Kawakita
- Department of Neurosurgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Masashi Fujimoto
- Department of Neurosurgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Yoichi Miura
- Department of Neurosurgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Masato Shiba
- Department of Neurosurgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Ryuta Yasuda
- Department of Neurosurgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Naoki Toma
- Department of Neurosurgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan
| | - Hidenori Suzuki
- Department of Neurosurgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan.
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21
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Frajewicki A, Laštůvka Z, Borbélyová V, Khan S, Jandová K, Janišová K, Otáhal J, Mysliveček J, Riljak V. Perinatal hypoxic-ischemic damage: review of the current treatment possibilities. Physiol Res 2020; 69:S379-S401. [PMID: 33464921 DOI: 10.33549/physiolres.934595] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Neonatal hypoxic-ischemic encephalopathy is a disorder with heterogeneous manifestation due to asphyxia during perinatal period. It affects approximately 3-12 children per 1000 live births and cause death of 1 million neonates worldwide per year. Besides, motor disabilities, seizures, impaired muscle tone and epilepsy are few of the consequences of hypoxic-ischemic encephalopathy. Despite an extensive research effort regarding various treatment strategies, therapeutic hypothermia with intensive care unit supportive treatment remains the only approved method for neonates who have suffered from moderate to severe hypoxic-ischemic encephalopathy. However, these protocols are only partially effective given that many infants still suffer from severe brain damage. Thus, further research to systematically test promising neuroprotective treatments in combination with hypothermia is essential. In this review, we discussed the pathophysiology of hypoxic-ischemic encephalopathy and delved into different promising treatment modalities, such as melatonin and erythropoietin. However, preclinical studies and clinical trials are still needed to further elucidate the mechanisms of action of these modalities.
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Affiliation(s)
- A Frajewicki
- Institute of Physiology, First Faculty of Medicine, Charles University, Prague, Czech Republic.
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22
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McQuitty CE, Williams R, Chokshi S, Urbani L. Immunomodulatory Role of the Extracellular Matrix Within the Liver Disease Microenvironment. Front Immunol 2020; 11:574276. [PMID: 33262757 PMCID: PMC7686550 DOI: 10.3389/fimmu.2020.574276] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 10/14/2020] [Indexed: 12/12/2022] Open
Abstract
Chronic liver disease when accompanied by underlying fibrosis, is characterized by an accumulation of extracellular matrix (ECM) proteins and chronic inflammation. Although traditionally considered as a passive and largely architectural structure, the ECM is now being recognized as a source of potent damage-associated molecular pattern (DAMP)s with immune-active peptides and domains. In parallel, the ECM anchors a range of cytokines, chemokines and growth factors, all of which are capable of modulating immune responses. A growing body of evidence shows that ECM proteins themselves are capable of modulating immunity either directly via ligation with immune cell receptors including integrins and TLRs, or indirectly through release of immunoactive molecules such as cytokines which are stored within the ECM structure. Notably, ECM deposition and remodeling during injury and fibrosis can result in release or formation of ECM-DAMPs within the tissue, which can promote local inflammatory immune response and chemotactic immune cell recruitment and inflammation. It is well described that the ECM and immune response are interlinked and mutually participate in driving fibrosis, although their precise interactions in the context of chronic liver disease are poorly understood. This review aims to describe the known pro-/anti-inflammatory and fibrogenic properties of ECM proteins and DAMPs, with particular reference to the immunomodulatory properties of the ECM in the context of chronic liver disease. Finally, we discuss the importance of developing novel biotechnological platforms based on decellularized ECM-scaffolds, which provide opportunities to directly explore liver ECM-immune cell interactions in greater detail.
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Affiliation(s)
- Claire E. McQuitty
- Institute of Hepatology, Foundation for Liver Research, London, United Kingdom
- Faculty of Life Sciences & Medicine, King’s College London, London, United Kingdom
| | - Roger Williams
- Institute of Hepatology, Foundation for Liver Research, London, United Kingdom
- Faculty of Life Sciences & Medicine, King’s College London, London, United Kingdom
| | - Shilpa Chokshi
- Institute of Hepatology, Foundation for Liver Research, London, United Kingdom
- Faculty of Life Sciences & Medicine, King’s College London, London, United Kingdom
| | - Luca Urbani
- Institute of Hepatology, Foundation for Liver Research, London, United Kingdom
- Faculty of Life Sciences & Medicine, King’s College London, London, United Kingdom
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23
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Zhou Y, Yao Y, Sheng L, Zhang J, Zhang JH, Shao A. Osteopontin as a candidate of therapeutic application for the acute brain injury. J Cell Mol Med 2020; 24:8918-8929. [PMID: 32657030 PMCID: PMC7417697 DOI: 10.1111/jcmm.15641] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 06/05/2020] [Accepted: 06/25/2020] [Indexed: 01/07/2023] Open
Abstract
Acute brain injury is the leading cause of human death and disability worldwide, which includes intracerebral haemorrhage, subarachnoid haemorrhage, cerebral ischaemia, traumatic brain injury and hypoxia‐ischaemia brain injury. Currently, clinical treatments for neurological dysfunction of acute brain injury have not been satisfactory. Osteopontin (OPN) is a complex adhesion protein and cytokine that interacts with multiple receptors including integrins and CD44 variants, exhibiting mostly neuroprotective roles and showing therapeutic potential for acute brain injury. OPN‐induced tissue remodelling and functional repair mainly rely on its positive roles in the coordination of pro‐inflammatory and anti‐inflammatory responses, blood‐brain barrier maintenance and anti‐apoptotic actions, as well as other mechanisms such as affecting the chemotaxis and proliferation of nerve cells. The blood OPN strongly parallel with the OPN induced in the brain and can be used as a novel biomarker of the susceptibility, severity and outcome of acute brain injury. In the present review, we summarized the molecular signalling mechanisms of OPN as well as its overall role in different kinds of acute brain injury.
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Affiliation(s)
- Yunxiang Zhou
- Department of Surgical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yihan Yao
- Department of Surgical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lesang Sheng
- Department of Surgical Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jianmin Zhang
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Brain Research Institute, Zhejiang University, Hangzhou, China.,Collaborative Innovation Center for Brain Science, Zhejiang University, Hangzhou, China
| | - John H Zhang
- Department of Physiology and Pharmacology, Basic Sciences, School of Medicine, Loma Linda University, Loma Linda, CA, USA.,Department of Anesthesiology, Neurosurgery and Neurology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Anwen Shao
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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