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Gao Y, Cai L, Wu Y, Jiang M, Zhang Y, Ren W, Song Y, Li L, Lei Z, Wu Y, Zhu L, Li J, Li D, Li G, Luo C, Tao L. Emerging functions and therapeutic targets of IL-38 in central nervous system diseases. CNS Neurosci Ther 2024; 30:e14550. [PMID: 38334236 PMCID: PMC10853902 DOI: 10.1111/cns.14550] [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: 05/08/2023] [Revised: 11/08/2023] [Accepted: 11/20/2023] [Indexed: 02/10/2024] Open
Abstract
Interleukin (IL)-38 is a newly discovered cytokine of the IL-1 family, which binds various receptors (i.e., IL-36R, IL-1 receptor accessory protein-like 1, and IL-1R1) in the central nervous system (CNS). The hallmark physiological function of IL-38 is competitive binding to IL-36R, as does the IL-36R antagonist. Emerging research has shown that IL-38 is abnormally expressed in the serum and brain tissue of patients with ischemic stroke (IS) and autism spectrum disorder (ASD), suggesting that IL-38 may play an important role in neurological diseases. Important advances include that IL-38 alleviates neuromyelitis optica disorder (NMOD) by inhibiting Th17 expression, improves IS by protecting against atherosclerosis via regulating immune cells and inflammation, and reduces IL-1β and CXCL8 release through inhibiting human microglial activity post-ASD. In contrast, IL-38 mRNA is markedly increased and is mainly expressed in phagocytes in spinal cord injury (SCI). IL-38 ablation attenuated SCI by reducing immune cell infiltration. However, the effect and underlying mechanism of IL-38 in CNS diseases remain inadequately characterized. In this review, we summarize the biological characteristics, pathophysiological role, and potential mechanisms of IL-38 in CNS diseases (e.g., NMOD, Alzheimer's disease, ASD, IS, TBI, and SCI), aiming to explore the therapeutic potential of IL-38 in the prevention and treatment of CNS diseases.
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Affiliation(s)
- Yuan Gao
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
- Department of NeurosurgeryPennsylvania State University College of MedicineState CollegePennsylvaniaUSA
- Department of Forensic ScienceWenzhou Medical UniversityWenzhouZhejiangChina
| | - Luwei Cai
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Yulu Wu
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Min Jiang
- Department of Forensic Medicine, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Yidan Zhang
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Wenjing Ren
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Yirui Song
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Lili Li
- Department of Child and Adolescent HealthcareChildren's Hospital of Soochow UniversitySuzhouChina
| | - Ziguang Lei
- Department of Forensic ScienceWenzhou Medical UniversityWenzhouZhejiangChina
| | - Youzhuang Wu
- Department of Forensic ScienceWenzhou Medical UniversityWenzhouZhejiangChina
| | - Luwen Zhu
- Department of Forensic ScienceWenzhou Medical UniversityWenzhouZhejiangChina
| | - Jing Li
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Dongya Li
- Department of OrthopedicsThe Affiliated Hospital of Xuzhou Medical UniversityXuzhouChina
| | - Guohong Li
- Department of NeurosurgeryPennsylvania State University College of MedicineState CollegePennsylvaniaUSA
| | - Chengliang Luo
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
| | - Luyang Tao
- Department of Forensic Medicine, School of Basic Medicine and Biological SciencesSoochow UniversitySuzhouChina
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Jacotte-Simancas A, Molina PE, Gilpin NW. Repeated Mild Traumatic Brain Injury and JZL184 Produce Sex-Specific Increases in Anxiety-Like Behavior and Alcohol Consumption in Wistar Rats. J Neurotrauma 2023; 40:2427-2441. [PMID: 37503666 PMCID: PMC10649186 DOI: 10.1089/neu.2023.0088] [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] [Indexed: 07/29/2023] Open
Abstract
Alcohol use disorder (AUD) is highly comorbid with traumatic brain injury (TBI). Previously, using a lateral fluid percussion model (LFP) (an open-head injury model) to generate a single mild to moderate traumatic brain injury (TBI) we showed that TBI produces escalation in alcohol drinking, that alcohol exposure negatively impacts TBI outcomes, and that the endocannabinoid degradation inhibitor (JZL184) confers significant protection from behavioral and neuropathological outcomes in male rodents. In the present study, we used a weight drop model (a closed-head injury model) to produce repeated mild TBI (rmTBI; three TBIs separated by 24 hours) in male and female rats to examine the sex-specific effects on anxiety-like behavior and alcohol consumption, and whether systemic treatment with JZL184 would reverse TBI effects on those behaviors. In two separate studies, adult male and female Wistar rats were subjected to rmTBI or sham procedure using the weight drop model. Physiological measures of injury severity were collected from all animals. Animals in both studies were allowed to consume alcohol using an intermittent 2-bottle choice procedure (12 pre-TBI sessions and 12 post-TBI sessions). Neurological severity and neurobehavioral scores (NSS and NBS, respectively) were tested 24 hours after the final injury. Anxiety-like behavior was tested at 37-38 days post-injury in Study 1-, and 6-8-days post-injury in Study 2. Our results show that females exhibited reduced respiratory rates relative to males with no significant differences between Sham and rmTBI, no effect of rmTBI or sex on righting reflex, and increased neurological deficits in rmTBI groups in both studies. In Study 1, rmTBI increased alcohol consumption in female but not male rats. Male rats consistently exhibited higher levels of anxiety-like behavior than females. The rmTBI did not affect anxiety-like behavior 37-38 days post-injury. In Study 2, rmTBI once again increased alcohol consumption in female but not male rats, and repeated systemic treatment with JZL184 did not affect alcohol consumption. Also in Study 2, rmTBI increased anxiety-like behavior in males but not females and repeated systemic treatment with JZL184 produced an unexpected increase in anxiety-like behavior 6-8 days post-injury. In summary, rmTBI increased alcohol consumption in female rats, systemic JZL184 treatment did not alter alcohol consumption, and both rmTBI and systemic JZL184 treatment increased anxiety-like behavior 6-8 days post-injury in males but not females, highlighting robust sex differences in rmTBI effects.
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Affiliation(s)
- Alejandra Jacotte-Simancas
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA
- Alcohol and Drug of Abuse Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA
| | - Patricia E. Molina
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA
- Alcohol and Drug of Abuse Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA
| | - Nicholas W. Gilpin
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA
- Alcohol and Drug of Abuse Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA
- Southeast Louisiana VA Healthcare System, New Orleans, Louisiana, USA
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Reiners JC, Leopold L, Hallebach V, Sinske D, Meier P, Amoroso M, Langgartner D, Reber SO, Knöll B. Acute stress modulates the outcome of traumatic brain injury-associated gene expression and behavioral responses. FASEB J 2023; 37:e23218. [PMID: 37779443 DOI: 10.1096/fj.202301035r] [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: 05/24/2023] [Revised: 08/16/2023] [Accepted: 09/12/2023] [Indexed: 10/03/2023]
Abstract
Psychological stress and traumatic brain injury (TBI) result in long-lasting emotional and behavioral impairments in patients. So far, the interaction of psychological stress with TBI not only in the brain but also in peripheral organs is poorly understood. Herein, the impact of acute stress (AS) occurring immediately before TBI is investigated. For this, a mouse model of restraint stress and TBI was employed, and their influence on behavior and gene expression in brain regions, the hypothalamic-pituitary-adrenal (HPA) axis, and peripheral organs was analyzed. Results demonstrate that, compared to single AS or TBI exposure, mice treated with AS prior to TBI showed sex-specific alterations in body weight, memory function, and locomotion. The induction of immediate early genes (IEGs, e.g., c-Fos) by TBI was modulated by previous AS in several brain regions. Furthermore, IEG upregulation along the HPA axis (e.g., pituitary, adrenal glands) and other peripheral organs (e.g., heart) was modulated by AS-TBI interaction. Proteomics of plasma samples revealed proteins potentially mediating this interaction. Finally, the deletion of Atf3 diminished the TBI-induced induction of IEGs in peripheral organs but left them largely unaltered in the brain. In summary, AS immediately before brain injury affects the brain and, to a strong degree, also responses in peripheral organs.
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Affiliation(s)
| | - Laura Leopold
- Institute of Neurobiochemistry, Ulm University, Ulm, Germany
| | - Vera Hallebach
- Institute of Neurobiochemistry, Ulm University, Ulm, Germany
| | - Daniela Sinske
- Institute of Neurobiochemistry, Ulm University, Ulm, Germany
| | - Philip Meier
- Institute of Biochemistry and Molecular Medicine, University of Bern, Bern, Switzerland
| | - Mattia Amoroso
- Laboratory for Molecular Psychosomatics, Department of Psychosomatic Medicine and Psychotherapy, Ulm University Medical Center, Ulm, Germany
| | - Dominik Langgartner
- Laboratory for Molecular Psychosomatics, Department of Psychosomatic Medicine and Psychotherapy, Ulm University Medical Center, Ulm, Germany
| | - Stefan O Reber
- Laboratory for Molecular Psychosomatics, Department of Psychosomatic Medicine and Psychotherapy, Ulm University Medical Center, Ulm, Germany
| | - Bernd Knöll
- Institute of Neurobiochemistry, Ulm University, Ulm, Germany
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4
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Jacotte-Simancas A, Molina P, Gilpin N. JZL184 increases anxiety-like behavior and does not reduce alcohol consumption in female rats after repeated mild traumatic brain injury. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.30.542943. [PMID: 37398130 PMCID: PMC10312513 DOI: 10.1101/2023.05.30.542943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
Alcohol use disorder (AUD) is highly comorbid with traumatic brain injury (TBI). Previously, using a lateral fluid percussion model (LFP) (an open model of head injury) to generate a single mild to moderate traumatic brain injury (TBI), we showed that TBI produces escalation in alcohol drinking, that alcohol exposure negatively impacts TBI outcomes, and that the endocannabinoid degradation inhibitor (JZL184) confers significant protection from behavioral and neuropathological outcomes in male rodents. In the present study, we used a weight drop model (a closed model of head injury) to produce a repeated mild TBI (rmTBI, 3 TBIs, spaced by 24 hours) to examine the sex-specific effects on alcohol consumption and anxiety-like behavior in rats, and whether systemic treatment with JZL184 would reverse TBI effects on those behaviors in both sexes. In two separate studies, adult male and female Wistar rats were subjected to rmTBI or sham using the weight drop model. Physiological measures of injury severity were collected from all animals. Animals in both studies were allowed to consume alcohol using an intermittent 2-bottle choice procedure (12 pre-TBI sessions and 12 post-TBI sessions). Neurological severity and neurobehavioral scores (NSS and NBS, respectively) were tested 24 hours after the final injury. Anxiety-like behavior was tested at 37-38 days post-injury in Study 1, and 6-8 days post-injury in Study 2. Our results show that females exhibited reduced respiratory rates relative to males with no significant differences between Sham and rmTBI, no effect of rmTBI or sex on righting reflex, and increased neurological deficits in rmTBI groups in both studies. In Study 1, rmTBI increased alcohol consumption in female but not male rats. Male rats consistently exhibited higher levels of anxiety-like behavior than females. rmTBI did not affect anxiety-like behavior 37-38 days post-injury. In Study 2, rmTBI once again increased alcohol consumption in female but not male rats, and repeated systemic treatment with JZL184 did not affect alcohol consumption. Also in Study 2, rmTBI increased anxiety-like behavior in males but not females and repeated systemic treatment with JZL184 produced an unexpected increase in anxiety-like behavior 6-8 days post-injury. In summary, rmTBI increased alcohol consumption in female rats, systemic JZL184 treatment did not alter alcohol consumption, and both rmTBI and sub-chronic systemic JZL184 treatment increased anxiety-like behavior 6-8 days post-injury in males but not females, highlighting robust sex differences in rmTBI effects.
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Affiliation(s)
- Alejandra Jacotte-Simancas
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans, LA
- Alcohol and Drug of Abuse Center of Excellence, LSUHSC, New Orleans, LA
| | - Patricia Molina
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans, LA
- Alcohol and Drug of Abuse Center of Excellence, LSUHSC, New Orleans, LA
| | - Nicholas Gilpin
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans, LA
- Alcohol and Drug of Abuse Center of Excellence, LSUHSC, New Orleans, LA
- Southeast Louisiana VA Healthcare System, New Orleans, LA
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5
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Wang Z, Luo C, Zhou EW, Sandhu AF, Yuan X, Williams GE, Cheng J, Sinha B, Akbar M, Bhattacharya P, Zhou S, Song BJ, Wang X. Molecular Toxicology and Pathophysiology of Comorbid Alcohol Use Disorder and Post-Traumatic Stress Disorder Associated with Traumatic Brain Injury. Int J Mol Sci 2023; 24:ijms24108805. [PMID: 37240148 DOI: 10.3390/ijms24108805] [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: 02/28/2023] [Revised: 05/05/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
The increasing comorbidity of alcohol use disorder (AUD) and post-traumatic stress disorder (PTSD) associated with traumatic brain injury (TBI) is a serious medical, economic, and social issue. However, the molecular toxicology and pathophysiological mechanisms of comorbid AUD and PTSD are not well understood and the identification of the comorbidity state markers is significantly challenging. This review summarizes the main characteristics of comorbidity between AUD and PTSD (AUD/PTSD) and highlights the significance of a comprehensive understanding of the molecular toxicology and pathophysiological mechanisms of AUD/PTSD, particularly following TBI, with a focus on the role of metabolomics, inflammation, neuroendocrine, signal transduction pathways, and genetic regulation. Instead of a separate disease state, a comprehensive examination of comorbid AUD and PTSD is emphasized by considering additive and synergistic interactions between the two diseases. Finally, we propose several hypotheses of molecular mechanisms for AUD/PTSD and discuss potential future research directions that may provide new insights and translational application opportunities.
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Affiliation(s)
- Zufeng Wang
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Forensic Medicine, Soochow University, Suzhou 215006, China
| | - Chengliang Luo
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Forensic Medicine, Soochow University, Suzhou 215006, China
| | - Edward W Zhou
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Aaron F Sandhu
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Xiaojing Yuan
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - George E Williams
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Jialu Cheng
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Bharati Sinha
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Mohammed Akbar
- Division of Neuroscience & Behavior, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, MD 20892, USA
| | - Pallab Bhattacharya
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar 382355, Gujarat, India
| | - Shuanhu Zhou
- Harvard Medical School, Harvard Stem Cell Institute, Boston, MA 02115, USA
| | - Byoung-Joon Song
- Section of Molecular Pharmacology and Toxicology, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, MD 20892, USA
| | - Xin Wang
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
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6
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Zhang J, Li Z, Chandrasekar A, Li S, Ludolph A, Boeckers TM, Huber-Lang M, Roselli F, Olde Heuvel F. Fast Maturation of Splenic Dendritic Cells Upon TBI Is Associated With FLT3/FLT3L Signaling. Front Immunol 2022; 13:824459. [PMID: 35281004 PMCID: PMC8907149 DOI: 10.3389/fimmu.2022.824459] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 01/31/2022] [Indexed: 12/29/2022] Open
Abstract
The consequences of systemic inflammation are a significant burden after traumatic brain injury (TBI), with almost all organs affected. This response consists of inflammation and concurrent immunosuppression after injury. One of the main immune regulatory organs, the spleen, is highly interactive with the brain. Along this brain–spleen axis, both nerve fibers as well as brain-derived circulating mediators have been shown to interact directly with splenic immune cells. One of the most significant comorbidities in TBI is acute ethanol intoxication (EI), with almost 40% of patients showing a positive blood alcohol level (BAL) upon injury. EI by itself has been shown to reduce proinflammatory mediators dose-dependently and enhance anti-inflammatory mediators in the spleen. However, how the splenic immune modulatory effect reacts to EI in TBI remains unclear. Therefore, we investigated early splenic immune responses after TBI with and without EI, using gene expression screening of cytokines and chemokines and fluorescence staining of thin spleen sections to investigate cellular mechanisms in immune cells. We found a strong FLT3/FLT3L induction 3 h after TBI, which was enhanced by EI. The FLT3L induction resulted in phosphorylation of FLT3 in CD11c+ dendritic cells, which enhanced protein synthesis, maturation process, and the immunity of dendritic cells, shown by pS6, peIF2A, MHC-II, LAMP1, and CD68 by immunostaining and TNF-α expression by in-situ hybridization. In conclusion, these data indicate that TBI induces a fast maturation and immunity of dendritic cells which is associated with FLT3/FLT3L signaling and which is enhanced by EI prior to TBI.
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Affiliation(s)
- Jin Zhang
- Department of Neurology, Center for Biomedical Research (ZBMF), Ulm University, Ulm, Germany
| | - Zhenghui Li
- Department of Neurology, Center for Biomedical Research (ZBMF), Ulm University, Ulm, Germany.,Department of Neurosurgery, Kaifeng Central Hospital, Kaifeng, China
| | - Akila Chandrasekar
- Department of Neurology, Center for Biomedical Research (ZBMF), Ulm University, Ulm, Germany
| | - Shun Li
- Department of Neurology, Center for Biomedical Research (ZBMF), Ulm University, Ulm, Germany
| | - Albert Ludolph
- Department of Neurology, Center for Biomedical Research (ZBMF), Ulm University, Ulm, Germany.,German Center for Neurodegenerative Diseases (DZNE) , Ulm, Germany
| | - Tobias Maria Boeckers
- German Center for Neurodegenerative Diseases (DZNE) , Ulm, Germany.,Institute of Anatomy and Cell Biology, Ulm University, Ulm, Germany
| | - Markus Huber-Lang
- Institute of Clinical and Experimental Trauma-Immunology, University Hospital, Ulm, Germany
| | - Francesco Roselli
- Department of Neurology, Center for Biomedical Research (ZBMF), Ulm University, Ulm, Germany.,German Center for Neurodegenerative Diseases (DZNE) , Ulm, Germany.,Institute of Anatomy and Cell Biology, Ulm University, Ulm, Germany
| | - Florian Olde Heuvel
- Department of Neurology, Center for Biomedical Research (ZBMF), Ulm University, Ulm, Germany
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7
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Lin PH, Kuo LT, Luh HT. The Roles of Neurotrophins in Traumatic Brain Injury. LIFE (BASEL, SWITZERLAND) 2021; 12:life12010026. [PMID: 35054419 PMCID: PMC8780368 DOI: 10.3390/life12010026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/18/2021] [Accepted: 12/21/2021] [Indexed: 02/08/2023]
Abstract
Neurotrophins are a collection of structurally and functionally related proteins. They play important roles in many aspects of neural development, survival, and plasticity. Traumatic brain injury (TBI) leads to different levels of central nervous tissue destruction and cellular repair through various compensatory mechanisms promoted by the injured brain. Many studies have shown that neurotrophins are key modulators of neuroinflammation, apoptosis, blood–brain barrier permeability, memory capacity, and neurite regeneration. The expression of neurotrophins following TBI is affected by the severity of injury, genetic polymorphism, and different post-traumatic time points. Emerging research is focused on the potential therapeutic applications of neurotrophins in managing TBI. We conducted a comprehensive review by organizing the studies that demonstrate the role of neurotrophins in the management of TBI.
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Affiliation(s)
- Ping-Hung Lin
- Department of Medical Education, School of Medicine, National Taiwan University, Taipei 100, Taiwan;
| | - Lu-Ting Kuo
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, Taipei 100, Taiwan;
| | - Hui-Tzung Luh
- Department of Neurosurgery, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235, Taiwan
- Taipei Neuroscience Institute, Taipei Medical University, New Taipei City 235, Taiwan
- Graduate Institute of Clinical Medicine, National Taiwan University, Taipei 100, Taiwan
- Correspondence: ; Tel.: +886-956279587
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Li Z, Zhang J, Halbgebauer S, Chandrasekar A, Rehman R, Ludolph A, Boeckers T, Huber-Lang M, Otto M, Roselli F, Heuvel FO. Differential effect of ethanol intoxication on peripheral markers of cerebral injury in murine blunt traumatic brain injury. BURNS & TRAUMA 2021; 9:tkab027. [PMID: 34604393 PMCID: PMC8484207 DOI: 10.1093/burnst/tkab027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 05/28/2021] [Indexed: 11/29/2022]
Abstract
Background Blood-based biomarkers have proven to be a reliable measure of the severity and outcome of traumatic brain injury (TBI) in both murine models and patients. In particular, neuron-specific enolase (NSE), neurofilament light (NFL) and S100 beta (S100B) have been investigated in the clinical setting post-injury. Ethanol intoxication (EI) remains a significant comorbidity in TBI, with 30–40% of patients having a positive blood alcohol concentration post-TBI. The effect of ethanol on blood-based biomarkers for the prognosis and diagnosis of TBI remains unclear. In this study, we investigated the effect of EI on NSE, NFL and S100B and their correlation with blood–brain barrier integrity in a murine model of TBI. Methods We used ultra-sensitive single-molecule array technology and enzyme-linked immunosorbent assay methods to measure NFL, NSE, S100B and claudin-5 concentrations in plasma 3 hours post-TBI. Results We showed that NFL, NSE and S100B were increased at 3 hours post-TBI. Interestingly, ethanol blood concentrations showed an inverse correlation with NSE but not with NFL or S100B. Claudin-5 levels were increased post-injury but no difference was detected compared to ethanol pretreatment. The increase in claudin-5 post-TBI was correlated with NFL but not with NSE or S100B. Conclusions Ethanol induces an effect on biomarker release in the bloodstream that is different from TBI not influenced by alcohol. This could be the basis of investigations into humans.
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Affiliation(s)
- Zhenghui Li
- Department of Neurology, Ulm University, ZBMF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Jin Zhang
- Department of Neurology, Ulm University, ZBMF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Steffen Halbgebauer
- Department of Neurology, Ulm University, ZBMF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Akila Chandrasekar
- Department of Neurology, Ulm University, ZBMF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Rida Rehman
- Department of Neurology, Ulm University, ZBMF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Albert Ludolph
- Department of Neurology, Ulm University, ZBMF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Tobias Boeckers
- German Center for Neurodegenerative Diseases (DZNE), Ulm, Germany
| | - Markus Huber-Lang
- Institute of Clinical and Experimental Trauma-Immunology, University Hospital, ZBMF - Helmhotzstrasse 8/1, 89081 Ulm, Germany
| | - Markus Otto
- Department of Neurology, Ulm University, ZBMF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Francesco Roselli
- Department of Neurology, Ulm University, ZBMF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Florian Olde Heuvel
- Department of Neurology, Ulm University, ZBMF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
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9
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Schwenkreis P, Gonschorek A, Berg F, Meier U, Rogge W, Schmehl I, Kern BC, Meisel HJ, Wohlfarth K, Gross S, Sczesny-Kaiser M, Tegenthoff M, Boschert J, Bruckmoser R, Fürst A, Schaan M, Strowitzki M, Pingel A, Jägers LL, Rudolf H, Trampisch HJ, Lemcke J. Prospective observational cohort study on epidemiology, treatment and outcome of patients with traumatic brain injury (TBI) in German BG hospitals. BMJ Open 2021; 11:e045771. [PMID: 34088707 PMCID: PMC8183205 DOI: 10.1136/bmjopen-2020-045771] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVES Since 2000/2001, no large-scale prospective studies addressing traumatic brain injury (TBI) epidemiology in Germany have been published. Our aim was to look for a possible shift in TBI epidemiology described in other European countries, to look for possible changes in TBI management and to identify predictors of 1-year outcome especially in patients with mild TBI. DESIGN Observational cohort study. SETTING All patients suffering from a TBI of any degree between 1 October 2014 and 30 September 2015, and who arrived in one of the seven participating BG hospitals within 24 hours after trauma, were included. PARTICIPANTS In total, 3514 patients were included. OUTCOME MEASURES Initial care, acute hospital care and rehabilitation were documented using standardised documentation forms. A standardised telephone interview was conducted 3 and 12 months after TBI in order to obtain information on outcome. RESULTS Peaks were identified in males in the early 20s and mid-50s, and in both sexes in the late 70s, with 25% of all patients aged 75 or older. A fall was the most frequent cause of TBI, followed by traffic accidents (especially bicyclists). The number of head CT scans increased, and the number of conventional X-rays of the skull decreased compared with 2000/2001. Besides, more patients were offered rehabilitation than before. Though most TBI were classified as mild, one-third of the patients participating in the telephone interview after 12 months still reported troubles attributed to TBI. Negative predictors in mild TBI were female gender, intracranial bleeding and Glasgow Coma Scale (GCS) 13/14. CONCLUSION The observed epidemiologic shift in TBI (ie, elderly patients, more falls, more bicyclists) calls for targeted preventive measures. The heterogeneity behind the diagnosis 'mild TBI' emphasises the need for defining subgroups not only based on GCS.
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Affiliation(s)
- Peter Schwenkreis
- Neurology, Berufsgenossenschaftliches Universitätsklinikum Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
| | - Andreas Gonschorek
- Neurology, Berufsgenossenschaftliches Klinikum Hamburg, Hamburg, Germany
| | - Florian Berg
- Neurosurgery, Berufsgenossenschaftliches Klinikum Unfallkrankenhaus Berlin, Berlin, Germany
| | - Ullrich Meier
- Neurosurgery, Berufsgenossenschaftliches Klinikum Unfallkrankenhaus Berlin, Berlin, Germany
| | - Witold Rogge
- Neurology, Berufsgenossenschaftliches Klinikum Unfallkrankenhaus Berlin, Berlin, Germany
| | - Ingo Schmehl
- Neurology, Berufsgenossenschaftliches Klinikum Unfallkrankenhaus Berlin, Berlin, Germany
| | - Bodo Christian Kern
- Neurosurgery, Berufsgenossenschaftliches Klinikum Bergmannstrost Halle, Halle, Germany
| | - Hans-Jörg Meisel
- Neurosurgery, Berufsgenossenschaftliches Klinikum Bergmannstrost Halle, Halle, Germany
| | - Kai Wohlfarth
- Neurology, Berufsgenossenschaftliches Klinikum Bergmannstrost Halle, Halle, Germany
| | - Stefan Gross
- Neurology, Berufsgenossenschaftliches Klinikum Hamburg, Hamburg, Germany
| | - Matthias Sczesny-Kaiser
- Neurology, Berufsgenossenschaftliches Universitätsklinikum Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
| | - Martin Tegenthoff
- Neurology, Berufsgenossenschaftliches Universitätsklinikum Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
| | - Jürgen Boschert
- Neurosurgery, Berufsgenossenschaftliche Unfallklinik Ludwigshafen, Ludwigshafen, Germany
| | - Ralf Bruckmoser
- Neurosurgery, Berufsgenossenschaftliche Unfallklinik Murnau, Murnau, Germany
| | - Andrea Fürst
- Neurology, Berufsgenossenschaftliche Unfallklinik Murnau, Murnau, Germany
| | - Marc Schaan
- Neurorehabilitation, Berufsgenossenschaftliche Unfallklinik Murnau, Murnau, Germany
| | - Martin Strowitzki
- Neurosurgery, Berufsgenossenschaftliche Unfallklinik Murnau, Murnau, Germany
| | - Andreas Pingel
- Neurosurgery, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, Frankfurt am Main, Germany
| | - Lisa Linnea Jägers
- Neurology, Berufsgenossenschaftliches Universitätsklinikum Bergmannsheil, Ruhr-University Bochum, Bochum, Germany
| | - Henrik Rudolf
- Medical Informatics, Biometry and Epidemiology, Ruhr-University Bochum, Bochum, Germany
| | | | - Johannes Lemcke
- Neurosurgery, Berufsgenossenschaftliches Klinikum Unfallkrankenhaus Berlin, Berlin, Germany
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10
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The Role of BDNF in Experimental and Clinical Traumatic Brain Injury. Int J Mol Sci 2021; 22:ijms22073582. [PMID: 33808272 PMCID: PMC8037220 DOI: 10.3390/ijms22073582] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/23/2021] [Accepted: 03/26/2021] [Indexed: 02/07/2023] Open
Abstract
Traumatic brain injury is one of the leading causes of mortality and morbidity in the world with no current pharmacological treatment. The role of BDNF in neural repair and regeneration is well established and has also been the focus of TBI research. Here, we review experimental animal models assessing BDNF expression following injury as well as clinical studies in humans including the role of BDNF polymorphism in TBI. There is a large heterogeneity in experimental setups and hence the results with different regional and temporal changes in BDNF expression. Several studies have also assessed different interventions to affect the BDNF expression following injury. Clinical studies highlight the importance of BDNF polymorphism in the outcome and indicate a protective role of BDNF polymorphism following injury. Considering the possibility of affecting the BDNF pathway with available substances, we discuss future studies using transgenic mice as well as iPSC in order to understand the underlying mechanism of BDNF polymorphism in TBI and develop a possible pharmacological treatment.
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11
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Khirug S, Soni S, Saez Garcia M, Tessier M, Zhou L, Kulesskaya N, Rauvala H, Lindholm D, Ludwig A, Molinari F, Rivera C. Protective Role of Low Ethanol Administration Following Ischemic Stroke via Recovery of KCC2 and p75 NTR Expression. Mol Neurobiol 2021; 58:1145-1161. [PMID: 33099743 PMCID: PMC7878264 DOI: 10.1007/s12035-020-02176-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 10/14/2020] [Indexed: 01/31/2023]
Abstract
A striking result from epidemiological studies show a correlation between low alcohol intake and lower incidence for ischemic stroke and severity of derived brain injury. Although reduced apoptosis and inflammation has been suggested to be involved, little is known about the mechanism mediating this effect in vivo. Increase in intracellular chloride concentration and derived depolarizing GABAAR-mediated transmission are common consequences following various brain injuries and are caused by the abnormal expression levels of the chloride cotransporters NKCC1 and KCC2. Downstream pro-apoptotic signaling through p75NTR may link GABAA depolarization with post-injury neuronal apoptosis. Here, we show that changes in GABAergic signaling, Cl- homeostasis, and expression of chloride cotransporters in the post-traumatic mouse brain can be significantly reduced by administration of 3% ethanol to the drinking water. Ethanol-induced upregulation of KCC2 has a positive impact on neuronal survival, preserving a large part of the cortical peri-infarct zone, as well as preventing the massive post-ischemic upregulation of the pro-apoptotic protein p75NTR. Importantly, intracortical multisite in vivo recordings showed that ethanol treatment could significantly ameliorate stroke-induced reduction in cortical activity. This surprising finding discloses a pathway triggered by low concentration of ethanol as a novel therapeutically relevant target.
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Affiliation(s)
- Stanislav Khirug
- Neuroscience Center-HiLIFE, University of Helsinki, 00014, Helsinki, Finland.
| | - Shetal Soni
- Neuroscience Center-HiLIFE, University of Helsinki, 00014, Helsinki, Finland
| | - Marta Saez Garcia
- Neuroscience Center-HiLIFE, University of Helsinki, 00014, Helsinki, Finland
| | - Marine Tessier
- INMED (INSERM U1249), Aix-Marseille Université, Marseille, France
| | - Liang Zhou
- Neuroscience Center-HiLIFE, University of Helsinki, 00014, Helsinki, Finland
| | - Natalia Kulesskaya
- Neuroscience Center-HiLIFE, University of Helsinki, 00014, Helsinki, Finland
| | - Heikki Rauvala
- Neuroscience Center-HiLIFE, University of Helsinki, 00014, Helsinki, Finland
| | - Dan Lindholm
- Medicum, Department of Biochemistry and Developmental Biology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Minerva Foundation Institute for Medical Research, Biomedicum Helsinki 2U, Helsinki, Finland
| | - Anastasia Ludwig
- Neuroscience Center-HiLIFE, University of Helsinki, 00014, Helsinki, Finland
| | | | - Claudio Rivera
- Neuroscience Center-HiLIFE, University of Helsinki, 00014, Helsinki, Finland.
- INMED (INSERM U1249), Aix-Marseille Université, Marseille, France.
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12
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Mira RG, Lira M, Quintanilla RA, Cerpa W. Alcohol consumption during adolescence alters the hippocampal response to traumatic brain injury. Biochem Biophys Res Commun 2020; 528:514-519. [PMID: 32505350 DOI: 10.1016/j.bbrc.2020.05.160] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 05/21/2020] [Indexed: 01/08/2023]
Abstract
Binge drinking is the consumption of large volumes of alcohol in short periods and exerts its effects on the central nervous system, including the hippocampus. We have previously shown that binge drinking alters mitochondrial dynamics and induces neuroinflammation in the hippocampus of adolescent rats. Mild traumatic brain injury (mTBI), is regularly linked to alcohol consumption and share mechanisms of brain damage. In this context, we hypothesized that adolescent binge drinking could prime the development of brain damage generated by mTBI. We found that alcohol binge drinking induced by the "drinking in the dark" (DID) paradigm increases oxidative damage and astrocyte activation in the hippocampus of adolescent mice. Interestingly, adolescent animals submitted to DID showed decreased levels of mitofusin 2 that controls mitochondrial dynamics. When mTBI was evaluated as a second challenge, hippocampi from animals previously submitted to DID showed a reduction in dendritic spine number and a different spine profile. Mitochondrial performance could be compromised by alterations in mitochondrial fission in DID-mTBI animals. These data suggest that adolescent alcohol consumption can modify the progression of mTBI pathophysiology. We propose that mitochondrial impairment and oxidative damage could act as priming factors, modifying predisposition against mTBI effects.
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Affiliation(s)
- Rodrigo G Mira
- Laboratorio de función y patología neuronal, Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile; Centro de Investigación y Estudio del Consumo de Alcohol en Adolescentes (CIAA), Santiago, Chile
| | - Matías Lira
- Laboratorio de función y patología neuronal, Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Rodrigo A Quintanilla
- Centro de Investigación y Estudio del Consumo de Alcohol en Adolescentes (CIAA), Santiago, Chile; Laboratorio de Enfermedades Neurodegenerativas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Santiago, Chile
| | - Waldo Cerpa
- Laboratorio de función y patología neuronal, Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile; Centro de Investigación y Estudio del Consumo de Alcohol en Adolescentes (CIAA), Santiago, Chile; Centro de Excelencia en Biomedicina de Magallanes (CEBIMA), Universidad de Magallanes, Punta Arenas, Chile.
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13
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Traumatic brain injury and alcohol intoxication: effects on injury patterns and short-term outcome. Eur J Trauma Emerg Surg 2020; 47:2065-2072. [PMID: 32377922 PMCID: PMC8629885 DOI: 10.1007/s00068-020-01381-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 04/24/2020] [Indexed: 01/30/2023]
Abstract
Purpose A significant number of patients with traumatic brain injuries (TBI) are diagnosed with elevated blood alcohol concentration (BAC). Recent literature suggests a neuroprotective effect of alcohol on TBI, possibly associated with less morbidity and mortality. Our goal is to analyze the association of different levels of BAC with TBI characteristics and outcome. Methods Adult patients with moderate to severe TBI (AIS ≥ 2) and measured BAC admitted to the Trauma Centre West (TCW), during the period 2010–2015, were retrospectively analyzed. Data included injury severity (AIS), length of hospitalization, admittance to the Intensive Care Unit (ICU) and in-hospital mortality. The association of BAC with ICU admittance and in-hospital mortality was analyzed using multivariable logistic regression analysis with correction for potentially confounding variables. Results BACs were available in 2,686 patients of whom 42% had high, 26% moderate, 6% low and 26% had normal levels. Patients with high BAC’s were predominantly male, were younger, had lower ISS scores, lower AIS-head scores and less concomitant injuries compared to patients in the other BAC subgroups. High BACs were associated with a lower risk for in-hospital mortality (AOR 0.36, 95% CI 0.14–0.97). Also, patients with moderate and high BACs were less often admitted to the ICU (respectively, AOR 0.36, 95% CI 0.25–0.52 and AOR 0.40, 95% CI 0.29–0.57). Conclusion The current study suggests that in patients with moderate to severe TBI, increasing BACs are associated with less severe TBI, less ICU admissions and a higher survival. Further research into the pathophysiological mechanism is necessary to help explain these findings.
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14
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Förstner P, Knöll B. Interference of neuronal activity-mediated gene expression through serum response factor deletion enhances mortality and hyperactivity after traumatic brain injury. FASEB J 2020; 34:3855-3873. [PMID: 31930559 DOI: 10.1096/fj.201902257rr] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 12/19/2019] [Accepted: 12/23/2019] [Indexed: 12/31/2022]
Abstract
Traumatic brain injury (TBI) is one of the most frequent causes of brain injury and mortality in young adults with detrimental sequelae such as cognitive impairments, epilepsy, and attention-deficit hyperactivity disorder. TBI modulates the neuronal excitability resulting in propagation of a neuronal activity-driven gene expression program. However, the impact of such neuronal activity mediated gene expression in TBI has been poorly studied. In this study we analyzed mouse mutants of the prototypical neuronal activity-dependent transcription factor SRF (serum response factor) in a weight-drop TBI model. Neuron-restricted SRF deletion elevated TBI inflicted mortality suggesting a neuroprotective SRF function during TBI. Behavioral inspection uncovered elevated locomotor activity in Srf mutant mice after TBI in contrast to hypoactivity observed in wild-type littermates. This indicates an SRF role in modulation of TBI-associated alterations in locomotor activity. Finally, induction of a neuronal activity induced gene expression program composed of immediate early genes (IEGs) such as Egr1, Egr2, Egr3, Npas4, Atf3, Arc, Ptgs2, and neuronal pentraxins (Nptx2) was compromised upon SRF depletion. Overall, our data show a role of neuronal activity-mediated gene transcription during TBI and suggest a molecular link between TBI and such post-TBI neurological comorbidities involving hyperactivity phenotypes.
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Affiliation(s)
- Philip Förstner
- Institute of Physiological Chemistry, Ulm University, Ulm, Germany
| | - Bernd Knöll
- Institute of Physiological Chemistry, Ulm University, Ulm, Germany
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15
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Olde Heuvel F, Holl S, Chandrasekar A, Li Z, Wang Y, Rehman R, Förstner P, Sinske D, Palmer A, Wiesner D, Ludolph A, Huber-Lang M, Relja B, Wirth T, Röszer T, Baumann B, Boeckers T, Knöll B, Roselli F. STAT6 mediates the effect of ethanol on neuroinflammatory response in TBI. Brain Behav Immun 2019; 81:228-246. [PMID: 31207335 DOI: 10.1016/j.bbi.2019.06.019] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 05/31/2019] [Accepted: 06/13/2019] [Indexed: 12/14/2022] Open
Abstract
Traumatic brain injury (TBI) and ethanol intoxication (EI) frequently coincide, particularly in young subjects. However, the mechanisms of their interaction remain poorly understood. Among other pathogenic pathways, TBI induces glial activation and neuroinflammation in the hippocampus, resulting in acute and chronic hippocampal dysfunction. In this regard, we investigated the role of EI affecting these responses unfolding after TBI. We used a blunt, weight-drop approach to model TBI in mice. Male mice were pre-administered with ethanol or vehicle to simulate EI. The neuroinflammatory response in the hippocampus was assessed by monitoring the expression levels of >20 cytokines, the phosphorylation status of transcription factors and the phenotype of microglia and astrocytes. We used AS1517499, a brain-permeable STAT6 inhibitor, to elucidate the role of this pathway in the EI/TBI interaction. We showed that TBI causes the elevation of IL-33, IL-1β, IL-38, TNF-α, IFN-α, IL-19 in the hippocampus at 3 h time point and concomitant EI results in the dose-dependent downregulation of IL-33, IL-1β, IL-38, TNF-α and IL-19 (but not of IFN-α) and in the selective upregulation of IL-13 and IL-12. EI is associated with the phosphorylation of STAT6 and the transcription of STAT6-controlled genes. Moreover, ethanol-induced STAT6 phosphorylation and transcriptional activation can be recapitulated in vitro by concomitant exposure of neurons to ethanol, depolarization and inflammatory stimuli (simulating the acute trauma). Acute STAT6 inhibition prevents the effects of EI on IL-33 and TNF-α, but not on IL-13 and negates acute EI beneficial effects on TBI-associated neurological impairment. Additionally, EI is associated with reduced microglial activation and astrogliosis as well as preserved synaptic density and baseline neuronal activity 7 days after TBI and all these effects are prevented by acute administration of the STAT6 inhibitor concomitant to EI. EI concomitant to TBI exerts significant immunomodulatory effects on cytokine induction and microglial activation, largely through the activation of STAT6 pathway, ultimately with beneficial outcomes.
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Affiliation(s)
- Florian Olde Heuvel
- Dept. of Neurology, Ulm University, ZBF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Sarah Holl
- Dept. of Neurology, Ulm University, ZBF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Akila Chandrasekar
- Dept. of Neurology, Ulm University, ZBF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Zhenghui Li
- Dept. of Neurology, Ulm University, ZBF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Yibin Wang
- Dept. of Neurology, Ulm University, ZBF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Rida Rehman
- Dept. of Neurology, Ulm University, ZBF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Philip Förstner
- Institute of Physiological Chemistry, Ulm University, N27, Albert-Einstein-Allee 11 9081 Ulm, Germany
| | - Daniela Sinske
- Institute of Physiological Chemistry, Ulm University, N27, Albert-Einstein-Allee 11 9081 Ulm, Germany
| | - Annette Palmer
- Institute of Clinical and Experimental Trauma-Immunology, Ulm University, ZBF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Diana Wiesner
- Dept. of Neurology, Ulm University, ZBF - Helmholtzstrasse 8/1, 89081 Ulm, Germany; German Center for Neurodegenerative Diseases (DZNE), Ulm, Germany
| | - Albert Ludolph
- Dept. of Neurology, Ulm University, ZBF - Helmholtzstrasse 8/1, 89081 Ulm, Germany; German Center for Neurodegenerative Diseases (DZNE), Ulm, Germany
| | - Markus Huber-Lang
- Institute of Clinical and Experimental Trauma-Immunology, Ulm University, ZBF - Helmholtzstrasse 8/1, 89081 Ulm, Germany
| | - Borna Relja
- Dept. of Trauma, Hand and Reconstructive Surgery, University Hospital Frankfurt, Goethe-University Frankfurt am Main, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany
| | - Thomas Wirth
- Institute of Physiological Chemistry, Ulm University, N27, Albert-Einstein-Allee 11 9081 Ulm, Germany
| | - Tamás Röszer
- Institute of Neurobiology, Ulm University, M24, ALbert-Einstein Allee 11, 89081 Ulm, Germany
| | - Bernd Baumann
- Institute of Physiological Chemistry, Ulm University, N27, Albert-Einstein-Allee 11 9081 Ulm, Germany
| | - Tobias Boeckers
- German Center for Neurodegenerative Diseases (DZNE), Ulm, Germany; Institute of Anatomy and Cell Biology, Ulm University, M24, ALbert-Einstein Allee 11, 89081 Ulm, Germany
| | - Bernd Knöll
- Institute of Physiological Chemistry, Ulm University, N27, Albert-Einstein-Allee 11 9081 Ulm, Germany
| | - Francesco Roselli
- Dept. of Neurology, Ulm University, ZBF - Helmholtzstrasse 8/1, 89081 Ulm, Germany; German Center for Neurodegenerative Diseases (DZNE), Ulm, Germany; Institute of Anatomy and Cell Biology, Ulm University, M24, ALbert-Einstein Allee 11, 89081 Ulm, Germany.
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16
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Pignataro L. Alcohol protects the CNS by activating HSF1 and inducing the heat shock proteins. Neurosci Lett 2019; 713:134507. [PMID: 31541723 DOI: 10.1016/j.neulet.2019.134507] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 09/13/2019] [Accepted: 09/18/2019] [Indexed: 12/15/2022]
Abstract
Although alcohol abuse and dependence have profound negative health consequences, emerging evidence suggests that exposure to low/moderate concentrations of ethanol protects multiple organs and systems. In the CNS, moderate drinking decreases the risk of dementia and Alzheimer's disease. This neuroprotection correlates with an increased expression of the heat shock proteins (HSPs). Multiple epidemiological studies revealed an inverse association between ethanol intoxication and traumatic brain injury mortality. In this case, ethanol-induced HSPs limit the inflammatory immune response diminishing cell death and improving the neurobehavioural outcome. Ethanol also protects the brain against ischemic injuries via the HSPs. In our laboratory, we demonstrated that ethanol increased the expression of several HSP genes in neurons and astrocytes by activating the transcription factor, heat shock factor 1 (HSF1). HSF1 induces HSPs that target misfolded proteins for refolding or degradation, increasing the survival chances of the cells. These data indicate that ethanol neuroprotection is mediated by the activation HSF1 and the induction of HSPs.
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Affiliation(s)
- Leonardo Pignataro
- Columbia University, Department of Anesthesiology, 622 West 168th St., PH 511, New York, NY, 10032, USA; College of Staten Island - City University of New York, 2800 Victory Blvd., Building 1A - 101, Staten Island, NY, 10314, USA.
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17
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Moon JM, Chun BJ, Cho YS, Mun JG. Does alcohol play the role of confounder or neuroprotective agent in acute carbon monoxide poisoning? Clin Toxicol (Phila) 2019; 58:161-170. [PMID: 31198068 DOI: 10.1080/15563650.2019.1625915] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Objectives: This study investigated whether alcohol influences the predictive value of initial blood lactate concentration and Glasgow Coma Scale (GCS) score at presentation for the severity of acute carbon monoxide (CO) poisoning and neurologic outcome in patients with acute CO poisoning. Additionally, whether alcohol has a neuroprotective effect after acute CO poisoning was evaluated.Methods: This retrospective study included 158 patients who presented with acute CO poisoning between January 2017 and July 2018 and had an available blood alcohol content (BAC) at presentation. The baseline characteristics, clinical course during hospitalization and neurologic status at 30 days after acute CO poisoning were collected and compared according to BAC. To account for possible confounding or neuroprotective effects of alcohol, BAC was introduced as a continuous variable and a stratified categorical variable in the analysis.Results: The mean and maximum BAC at presentation were 56.8 mg/dl and 408 mg/dl, respectively, in 158 patients presented at a mean of 1.0 hour after acute CO poisoning. Lactate, adjusted for previously suggested predictors, was not associated with acute CO poisoning severity; however, after additional adjustment with BAC variables, lactate was associated with CO poisoning severity. Initial GCS score was associated with CO poisoning severity during hospitalization and neurologic outcome at 30 days after acute CO poisoning, regardless of BAC adjustment. BAC variables were negatively associated with CO poisoning severity but not neurologic outcome at 30 days.Discussion and conclusion: The severity of CO poisoning should never be predicted based on serum lactate alone without adjusting for BAC. However, the initial GCS score can be used as a predictor of CO poisoning severity and the neurologic outcome at 30 days after acute CO poisoning, regardless of alcohol consumption history. Alcohol does not have a neuroprotective effect on acute CO poisoning. Further study is needed to validate these results.
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Affiliation(s)
- Jeong Mi Moon
- Department of Emergency Department, Chonnam National University Medical School, Gwangju, South Korea
| | - Byeong Jo Chun
- Department of Emergency Department, Chonnam National University Medical School, Gwangju, South Korea
| | - Yong Soo Cho
- Department of Emergency Department, Chonnam National University Medical School, Gwangju, South Korea
| | - Jong Goo Mun
- Department of Emergency Department, Chonnam National University Medical School, Gwangju, South Korea
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18
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Ton ST, Tsai SY, Vaagenes IC, Glavin K, Wu J, Hsu J, Flink HM, Nockels D, O'Brien TE, Kartje GL. Subventricular zone neural precursor cell responses after traumatic brain injury and binge alcohol in male rats. J Neurosci Res 2019; 97:554-567. [PMID: 30614539 PMCID: PMC6599533 DOI: 10.1002/jnr.24382] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 12/12/2018] [Accepted: 12/13/2018] [Indexed: 11/10/2022]
Abstract
Traumatic brain injury (TBI) is a major cause of disability worldwide. Additionally, many TBI patients are intoxicated with alcohol at the time of injury, but the impact of acute intoxication on recovery from brain injury is not well understood. We have previously found that binge alcohol prior to TBI impairs spontaneous functional sensorimotor recovery. However, whether alcohol administration in this setting affects reactive neurogenesis after TBI is not known. This study, therefore, sought to determine the short- and long-term effects of pre-TBI binge alcohol on neural precursor cell responses in the subventricular zone (SVZ) following brain injury in male rats. We found that TBI alone significantly increased proliferation in the SVZ as early as 24 hr after injury. Surprisingly, binge alcohol alone also significantly increased proliferation in the SVZ after 24 hr. However, a combined binge alcohol and TBI regimen resulted in decreased TBI-induced proliferation in the SVZ at 24 hr and 1 week post-TBI. Furthermore, at 6 weeks after TBI, binge alcohol administered at the time of TBI significantly decreased the TBI-induced neuroblast response in the SVZ and the rostral migratory stream (RMS). The results from this study suggest that pre-TBI binge alcohol negatively impacts reparative processes in the brain by decreasing short-term neural precursor cell proliferative responses as well as long-term neuroblasts in the SVZ and RMS.
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Affiliation(s)
- Son T Ton
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
- Department of Molecular Pharmacology and Therapeutics, Loyola University Chicago Health Sciences Division, Maywood, Illinois
| | - Shih-Yen Tsai
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Ian C Vaagenes
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Kelly Glavin
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Joanna Wu
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Jonathan Hsu
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Hannah M Flink
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Daniel Nockels
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Timothy E O'Brien
- Department of Mathematics and Statistics, Institute of Environmental Sustainability, Loyola University Chicago, Chicago, Illinois
| | - Gwendolyn L Kartje
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
- Department of Molecular Pharmacology and Therapeutics, Loyola University Chicago Health Sciences Division, Maywood, Illinois
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19
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Zhu Q, Wang H, Jiang B, Ni X, Jiang L, Li C, Wang X, Zhang F, Ke B, Lu L. Loss of ATF3 exacerbates liver damage through the activation of mTOR/p70S6K/ HIF-1α signaling pathway in liver inflammatory injury. Cell Death Dis 2018; 9:910. [PMID: 30185770 PMCID: PMC6125320 DOI: 10.1038/s41419-018-0894-1] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 07/10/2018] [Accepted: 07/11/2018] [Indexed: 12/14/2022]
Abstract
Activating transcription factor 3 (ATF3) is a stress-induced transcription factor that plays important roles in regulating immune and metabolic homeostasis. Activation of the mechanistic target of rapamycin (mTOR) and hypoxia-inducible factor (HIF) transcription factors are crucial for the regulation of immune cell function. Here, we investigated the mechanism by which the ATF3/mTOR/HIF-1 axis regulates immune responses in a liver ischemia/reperfusion injury (IRI) model. Deletion of ATF3 exacerbated liver damage, as evidenced by increased levels of serum ALT, intrahepatic macrophage/neutrophil trafficking, hepatocellular apoptosis, and the upregulation of pro-inflammatory mediators. ATF3 deficiency promoted mTOR and p70S6K phosphorylation, activated high mobility group box 1 (HMGB1) and TLR4, inhibited prolyl-hydroxylase 1 (PHD1), and increased HIF-1α activity, leading to Foxp3 downregulation and RORγt and IL-17A upregulation in IRI livers. Blocking mTOR or p70S6K in ATF3 knockout (KO) mice or bone marrow-derived macrophages (BMMs) downregulated HMGB1, TLR4, and HIF-1α and upregulated PHD1, increasing Foxp3 and decreasing IL-17A levels in vitro. Silencing of HIF-1α in ATF3 KO mice ameliorated IRI-induced liver damage in parallel with the downregulation of IL-17A in ATF3-deficient mice. These findings demonstrated that ATF3 deficiency activated mTOR/p70S6K/HIF-1α signaling, which was crucial for the modulation of TLR4-driven inflammatory responses and T cell development. The present study provides potential therapeutic targets for the treatment of liver IRI followed by liver transplantation.
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Affiliation(s)
- Qiang Zhu
- Liver Transplantation Center, First Affiliated Hospital, Nanjing Medical University, Nanjing, China.,Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Han Wang
- Liver Transplantation Center, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Bin Jiang
- Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Xuhao Ni
- Liver Transplantation Center, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Longfeng Jiang
- Liver Transplantation Center, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Changyong Li
- Department of Physiology, School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Xuehao Wang
- Liver Transplantation Center, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Feng Zhang
- Liver Transplantation Center, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Bibo Ke
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at University of California-Los Angeles, Los Angeles, CA, USA.
| | - Ling Lu
- Liver Transplantation Center, First Affiliated Hospital, Nanjing Medical University, Nanjing, China.
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20
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Förstner P, Rehman R, Anastasiadou S, Haffner-Luntzer M, Sinske D, Ignatius A, Roselli F, Knöll B. Neuroinflammation after Traumatic Brain Injury Is Enhanced in Activating Transcription Factor 3 Mutant Mice. J Neurotrauma 2018; 35:2317-2329. [PMID: 29463176 DOI: 10.1089/neu.2017.5593] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Traumatic brain injury (TBI) induces a neuroinflammatory response resulting in astrocyte and microglia activation at the lesion site. This involves upregulation of neuroinflammatory genes, including chemokines and interleukins. However, so far, there is lack of knowledge on transcription factors (TFs) modulating this TBI-associated gene expression response. Herein, we analyzed activating transcription factor 3 (ATF3), a TF encoding a regeneration-associated gene (RAG) predominantly studied in peripheral nervous system (PNS) injury. ATF3 contributes to PNS axon regeneration and was shown before to regulate inflammatory processes in other injury models. In contrast to PNS injury, data on ATF3 in central nervous system (CNS) injury are sparse. We used Atf3 mouse mutants and a closed-head weight-drop-based TBI model in adult mice to target the rostrolateral cortex resulting in moderate injury severity. Post-TBI, ATF3 was upregulated already at early time points (i.e,. 1-4 h) post-injury in the brain. Mortality and weight loss upon TBI were slightly elevated in Atf3 mutants. ATF3 deficiency enhanced TBI-induced paresis and hematoma formation, suggesting that ATF3 limits these injury outcomes in wild-type mice. Next, we analyzed TBI-associated RAG and inflammatory gene expression in the cortical impact area. In contrast to the PNS, only some RAGs (Atf3, Timp1, and Sprr1a) were induced by TBI, and, surprisingly, some RAG encoding neuropeptides were downregulated. Notably, we identified ATF3 as TF-regulating proneuroinflammatory gene expression, including CCL and CXCL chemokines (Ccl2, Ccl3, Ccl4, and Cxcl1) and lipocalin. In Atf3 mutant mice, mRNA abundance was further enhanced upon TBI compared to wild-type mice, suggesting immune gene repression by wild-type ATF3. In accord, more immune cells were present in the lesion area of ATF3-deficient mice. Overall, we identified ATF3 as a new TF-mediating TBI-associated CNS inflammatory responses.
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Affiliation(s)
- Philip Förstner
- 1 Institute of Physiological Chemistry, Ulm University , Ulm, Germany
| | - Rida Rehman
- 2 Department of Neurology, Ulm University , Ulm, Germany .,3 Department of Biomedical Engineering and Sciences (BMES), School of Mechanical and Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST) , H-12, Islamabad, Pakistan
| | | | - Melanie Haffner-Luntzer
- 4 Institute of Orthopaedic Research and Biomechanics, Center for Trauma Research Ulm, University of Ulm , Ulm, Germany
| | - Daniela Sinske
- 1 Institute of Physiological Chemistry, Ulm University , Ulm, Germany
| | - Anita Ignatius
- 4 Institute of Orthopaedic Research and Biomechanics, Center for Trauma Research Ulm, University of Ulm , Ulm, Germany
| | | | - Bernd Knöll
- 1 Institute of Physiological Chemistry, Ulm University , Ulm, Germany
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21
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Chandrasekar A, Heuvel FO, Tar L, Hagenston AM, Palmer A, Linkus B, Ludolph AC, Huber-Lang M, Boeckers T, Bading H, Roselli F. Parvalbumin Interneurons Shape Neuronal Vulnerability in Blunt TBI. Cereb Cortex 2018; 29:2701-2715. [DOI: 10.1093/cercor/bhy139] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Revised: 04/20/2018] [Accepted: 05/17/2018] [Indexed: 12/25/2022] Open
Affiliation(s)
| | | | - Lilla Tar
- Department of Neurology, Ulm University, Ulm-DE, Germany
| | - Anna M Hagenston
- Department of Neurobiology—IZN, Heidelberg University, Heidelberg-DE, Germany
| | - Annette Palmer
- Department of Orthopedic trauma, Hand, Plastic and Reconstruction Surgery, Institute of Clinical and Experimental Trauma Immunology, Ulm University, Ulm-DE, Germany
| | - Birgit Linkus
- Department of Neurology, Ulm University, Ulm-DE, Germany
| | | | - Markus Huber-Lang
- Department of Orthopedic trauma, Hand, Plastic and Reconstruction Surgery, Institute of Clinical and Experimental Trauma Immunology, Ulm University, Ulm-DE, Germany
| | - Tobias Boeckers
- Department of Anatomy and Cell Biology, Ulm University, Ulm-DE, Germany
| | - Hilmar Bading
- Department of Neurobiology—IZN, Heidelberg University, Heidelberg-DE, Germany
| | - Francesco Roselli
- Department of Neurology, Ulm University, Ulm-DE, Germany
- Department of Orthopedic trauma, Hand, Plastic and Reconstruction Surgery, Institute of Clinical and Experimental Trauma Immunology, Ulm University, Ulm-DE, Germany
- Neurozentrum—Ulm University, Ulm-DE, Germany
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