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Li J, Wang Z, Li J, Zhao H, Ma Q. HMGB1: A New Target for Ischemic Stroke and Hemorrhagic Transformation. Transl Stroke Res 2024:10.1007/s12975-024-01258-5. [PMID: 38740617 DOI: 10.1007/s12975-024-01258-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/27/2024] [Accepted: 05/01/2024] [Indexed: 05/16/2024]
Abstract
Stroke in China is distinguished by its high rates of morbidity, recurrence, disability, and mortality. The ultra-early administration of rtPA is essential for restoring perfusion in acute ischemic stroke, though it concurrently elevates the risk of hemorrhagic transformation. High-mobility group box 1 (HMGB1) emerges as a pivotal player in neuroinflammation after brain ischemia and ischemia-reperfusion. Released passively by necrotic cells and actively secreted, including direct secretion of HMGB1 into the extracellular space and packaging of HMGB1 into intracellular vesicles by immune cells, glial cells, platelets, and endothelial cells, HMGB1 represents a prototypical damage-associated molecular pattern (DAMP). It is intricately involved in the pathogenesis of atherosclerosis, thromboembolism, and detrimental inflammation during the early phases of ischemic stroke. Moreover, HMGB1 significantly contributes to neurovascular remodeling and functional recovery in later stages. Significantly, HMGB1 mediates hemorrhagic transformation by facilitating neuroinflammation, directly compromising the integrity of the blood-brain barrier, and enhancing MMP9 secretion through its interaction with rtPA. As a systemic inflammatory factor, HMGB1 is also implicated in post-stroke depression and an elevated risk of stroke-associated pneumonia. The role of HMGB1 extends to influencing the pathogenesis of ischemia by polarizing various subtypes of immune and glial cells. This includes mediating excitotoxicity due to excitatory amino acids, autophagy, MMP9 release, NET formation, and autocrine trophic pathways. Given its multifaceted role, HMGB1 is recognized as a crucial therapeutic target and prognostic marker for ischemic stroke and hemorrhagic transformation. In this review, we summarize the structure and redox properties, secretion and pathways, regulation of immune cell activity, the role of pathophysiological mechanisms in stroke, and hemorrhage transformation for HMGB1, which will pave the way for developing new neuroprotective drugs, reduction of post-stroke neuroinflammation, and expansion of thrombolysis time window.
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Affiliation(s)
- Jiamin Li
- Department of Neurology and Cerebrovascular Diseases Research Institute, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, China
| | - Zixin Wang
- Department of Neurology and Cerebrovascular Diseases Research Institute, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, China
| | - Jiameng Li
- Department of Neurology and Cerebrovascular Diseases Research Institute, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, China
| | - Haiping Zhao
- Department of Neurology and Cerebrovascular Diseases Research Institute, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, China.
| | - Qingfeng Ma
- Department of Neurology and Cerebrovascular Diseases Research Institute, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, China.
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Liu Z, Yang W, Chen J, Wang Q. Circulating HMGB1 in acute ischemic stroke and its association with post-stroke cognitive impairment. PeerJ 2024; 12:e17309. [PMID: 38708343 PMCID: PMC11067911 DOI: 10.7717/peerj.17309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 04/08/2024] [Indexed: 05/07/2024] Open
Abstract
Background Ischemic stroke frequently leads to a condition known as post-stroke cognitive impairment (PSCI). Timely recognition of individuals susceptible to developing PSCI could facilitate the implementation of personalized strategies to mitigate cognitive deterioration. High mobility group box 1 (HMGB1) is a protein released by ischemic neurons and implicated in inflammation after stroke. Circulating levels of HMGB1 could potentially serve as a prognostic indicator for the onset of cognitive impairment following ischemic stroke. Objective To investigate the predictive value of circulating HMGB1 concentrations in the acute phase of ischemic stroke for the development of cognitive dysfunction at the 3-month follow-up. Methods A total of 192 individuals experiencing their initial episode of acute cerebral infarction were prospectively recruited for this longitudinal investigation. Concentrations of circulating HMGB1 were quantified using an enzyme-linked immunosorbent assay (ELISA) technique within the first 24 hours following hospital admission. Patients underwent neurological evaluation including NIHSS scoring. Neuropsychological evaluation was conducted at the 3-month follow-up after the cerebrovascular event, employing the Montreal Cognitive Assessment (MoCA) as the primary tool for assessing cognitive performance. Multivariable logistic regression models were employed to investigate the relationship between circulating HMGB1 concentrations and cognitive dysfunction following stroke, which was operationalized as a MoCA score below 26, while controlling for potential confounders including demographic characteristics, stroke severity, vascular risk factors, and laboratory parameters. Results Of 192 patients, 84 (44%) developed PSCI. Circulating HMGB1 concentrations were significantly elevated in individuals who developed cognitive dysfunction following stroke compared to those who maintained cognitive integrity (8.4 ± 1.2 ng/mL vs 4.6 ± 0.5 ng/mL, respectively; p < 0.001). The prevalence of PSCI showed a dose-dependent increase with higher HMGB1 quartiles. After controlling for potential confounders such as demographic factors (age, gender, and education), stroke severity, vascular risk factors, and laboratory parameters in a multivariable logistic regression model, circulating HMGB1 concentrations emerged as a significant independent predictor of cognitive dysfunction following stroke (regression coefficient = 0.236, p < 0.001). Conclusion Circulating HMGB1 concentrations quantified within the first 24 hours following acute cerebral infarction are significantly and independently correlated with the likelihood of developing cognitive dysfunction at the 3-month follow-up, even after accounting for potential confounding factors. HMGB1 may be a novel biomarker to identify patients likely to develop post-stroke cognitive impairment for targeted preventive interventions.
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Affiliation(s)
- Zhenbao Liu
- Department of Neurology, Qingpu Branch of Zhongshan Hospital, Fudan University, Shanghai, China
| | - Weixia Yang
- Department of Neurology, Qingpu Branch of Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jianxin Chen
- Department of Critical Care Medicine, Jinan First People’s Hospital, Shandong Traditional Chinese Medicine University, Jinan, Shandong, China
| | - Qian Wang
- Department of Central Laboratory, The Affiliated Taian City Central Hospital of Qingdao University, Taian, Shandong, China
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Kim M, Kim WS, Cha H, Kim B, Kwon YN, Kim SM. Early involvement of peripherally derived monocytes in inflammation in an NMO-like mouse model. Sci Rep 2024; 14:1177. [PMID: 38216632 PMCID: PMC10786844 DOI: 10.1038/s41598-024-51759-4] [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: 11/01/2023] [Accepted: 01/09/2024] [Indexed: 01/14/2024] Open
Abstract
Neuromyelitis optica (NMO) is an autoimmune inflammatory disease that primarily affects the optic nerve and spinal cord within the central nervous system (CNS). Acute astrocyte injury caused by autoantibodies against aquaporin 4 (NMO-IgG) is a well-established key factor in the pathogenesis, ultimately leading to neuronal damage and patient disability. In addition to these humoral immune processes, numerous innate immune cells were found in the acute lesions of NMO patients. However, the origin and function of these innate immune cells remain unclear in NMO pathogenesis. Therefore, this study aims to analyze the origin and functions of these innate immune cells in an NMO-like mouse model and evaluate their role in the pathophysiology of NMO. The expression of Tmem119 on Iba1 + cells in brain tissue disappeared immediately after the injection of NMO-IgG + human complement mixture, while the expression of P2ry12 remained well-maintained at 1 day after injection. Based on these observations, it was demonstrated that monocytes infiltrate the brain during the early stages of the pathological process and are closely associated with the inflammatory response through the expression of the proinflammatory cytokine IL-1β. Understanding the variations in the expression patterns of P2ry12, Tmem119, and other markers could be helpful in distinguishing between these cell types and further analyzing their functions. Therefore, this research may contribute to a better understanding of the mechanisms and potential treatments for NMO.
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Affiliation(s)
- Moonhang Kim
- Biomedical Research Institute, Seoul National University Hospital, Seoul, 03082, Republic of Korea.
| | - Won Seok Kim
- Biomedical Research Institute, Seoul National University Hospital, Seoul, 03082, Republic of Korea
| | - Hyeuk Cha
- Biomedical Research Institute, Seoul National University Hospital, Seoul, 03082, Republic of Korea
| | - Boram Kim
- Biomedical Research Institute, Seoul National University Hospital, Seoul, 03082, Republic of Korea
| | - Young Nam Kwon
- Department of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Sung Min Kim
- Department of Neurology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
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Liang K, Li X, Guo Q, Ma J, Yang H, Fan Y, Yang D, Shi X, She Z, Qi X, Gu Q, Chen S, Zheng J, Li D. Structural changes in the retina and serum HMGB1 levels are associated with decreased cognitive function in patients with Parkinson's disease. Neurobiol Dis 2024; 190:106379. [PMID: 38104911 DOI: 10.1016/j.nbd.2023.106379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/08/2023] [Accepted: 12/12/2023] [Indexed: 12/19/2023] Open
Abstract
BACKGROUND Cognitive impairment is a serious nonmotor symptom in patients with Parkinson's disease (PD). Currently, there are few studies investigating the relationship of serum markers and retinal structural changes with cognitive function in PD. OBJECTIVE To investigate the relationship between retinal structural changes, serum high mobility group box-1 (HMGB1) levels and cognitive function and motor symptoms in PD patients. METHODS Eighty-nine participants, including 47 PD patients and 42 healthy subjects, were enrolled. PD patients were divided into Parkinson's disease with normal cognitive (PD-NC), Parkinson's disease with mild cognitive impairment (PD-MCI), and Parkinson's disease with dementia (PDD) groups. The motor and nonmotor symptoms of PD patients were evaluated with clinical scale. Serum HMGB1 levels were detected by enzyme-linked immunosorbent assay (ELISA), and ganglion cell-inner plexiform layer complex (GCIPL) thickness changes in the macula were quantitatively analyzed by swept source optical coherence tomography (SS-OCT) in all patients. RESULTS Compared with the control group, the macular GCIPL (t = -2.308, P = 0.023) was thinner and serum HMGB1 (z = -2.285, P = 0.022) was increased in PD patients. Macular GCIPL thickness in patients with PD-MCI and PDD were significantly lower than that in PD-NC patients, but there were no significant difference between the PD-MCI and PDD groups. Serum HMGB1 levels in patients with PD-MCI and PDD were significantly higher than those in PD-NC patients, and serum HMGB1 levels in PDD patients were higher than those in PD-MCI patients. Correlation analysis showed that serum HMGB1 levels in PD patients were positively correlated with disease duration, HY stage, UPDRS-I score, UPDRS-III score, and UPDRS total score and negatively correlated with MOCA score. Macular GCIPL thickness was negatively correlated with HY stage and positively correlated with MOCA score, and macular GCIPL thickness was negatively correlated with serum HMGB1 level. Logistic regression analysis showed that elevated serum HMGB1 level, thinner macular GCIPL thickness, and higher HY stage were independent risk factors for Parkinson's disease with cognitive impairment (PD-CI). The areas under the receiver operating characteristic curve (AUC) for the serum HMGB1 level and macular GCIPL thickness-based diagnosis of PD-MCI, PDD and PD-CI based on in patients with PD were 0.786 and 0.825, 0.915 and 0.856, 0.852 and 0.841, respectively. The AUC for the diagnosis of PD-MCI, PDD and PD-CI with serum HMGB1 level and GCIPL thickness combined were 0.869, 0.967 and 0.916, respectively. CONCLUSION The macular GCIPL thickness and serum HMGB1 level are potential markers of cognitive impairment in PD patients, and their combination can significantly improve the accuracy of the diagnosis of cognitive impairment in PD.
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Affiliation(s)
- Keke Liang
- Department of Neurology, Henan University People's Hospital, Zhengzhou, China; Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China
| | - Xiaohuan Li
- Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China; Department of Neurology, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Qingge Guo
- Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China; Henan Eye Institute, Henan Eye Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Jianjun Ma
- Department of Neurology, Henan University People's Hospital, Zhengzhou, China; Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China; Department of Neurology, Zhengzhou University People's Hospital, Zhengzhou, China.
| | - Hongqi Yang
- Department of Neurology, Henan University People's Hospital, Zhengzhou, China; Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China; Department of Neurology, Zhengzhou University People's Hospital, Zhengzhou, China.
| | - Yongyan Fan
- Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China; Department of Neurology, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Dawei Yang
- Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China; Department of Neurology, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Xiaoxue Shi
- Department of Neurology, Henan University People's Hospital, Zhengzhou, China; Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China; Department of Neurology, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Zonghan She
- Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China; Department of Neurology, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Xuelin Qi
- Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China; Department of Neurology, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Qi Gu
- Department of Neurology, Henan University People's Hospital, Zhengzhou, China; Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China; Department of Neurology, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Siyuan Chen
- Department of Neurology, Henan University People's Hospital, Zhengzhou, China; Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China; Department of Neurology, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Jinhua Zheng
- Department of Neurology, Henan University People's Hospital, Zhengzhou, China; Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China; Department of Neurology, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Dongsheng Li
- Department of Neurology, Henan University People's Hospital, Zhengzhou, China; Department of Neurology, Henan Provincial People's Hospital, Zhengzhou, China; Department of Neurology, Zhengzhou University People's Hospital, Zhengzhou, China
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Mahama CN, Louisa M, Octaviana F, Suryandari DA, Budikayanti A, Wibowo H. Investigation of Correlation between Resistance to Diazepam and Expression of Inflammatory Markers in The Peripheral Blood of Patients with Status Epilepticus. Acta Med Acad 2023; 52:169-181. [PMID: 38407083 PMCID: PMC10945326 DOI: 10.5644/ama2006-124.423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 12/01/2023] [Indexed: 02/27/2024] Open
Abstract
OBJECTIVE This study investigated several inflammatory markers' gene and protein expression in status epilepticus (SE) and their correlation with diazepam resistance. MATERIALS AND METHODS Peripheral blood samples were collected from 18 adult patients with SE in Cipto Mangunkusumo Central Hospital, consisting of 12 diazepam-responsive and six diazepam-resistant samples, within 72 hours of the onset of the seizure. We collected baseline demographic and clinical data from each subject. Peripheral blood mononuclear cells (PBMCs) were isolated, cultured, stimulated with lipopolysaccharide (LPS) 1 mg/ml, and harvested for RNA isolation. The RNA was used to determine the expression of Human Mobility Group Box 1 (HMGB1), Interleukin- 6 (IL-6), IL-10, Toll-like Receptor 4 (TLR4), and Glial fibrillary acidic protein (GFAP). In addition, we performed serum protein assay of HMGB1, IL-6, IL-10, TLR4, and GFAP to compare with gene expression. RESULTS We found a significant difference between the responsive and resistant groups for serum HMGB1 and IL-6 concentration. The mRNA expression of HMGB1 and IL-6 was significantly higher in LPS-stimulated samples in the responsive but not in the resistant groups. The ratio of IL-6 to IL-10 showed a significant difference between LPS and control in the responsive group. Diazepam response was significantly correlated with seizure duration and serum protein concentration of HMGB1. CONCLUSION HMGB1 was highly expressed in the resistant group and strongly correlated with diazepam response, and there was a significant increase in HMGB1 mRNA expression in response to LPS stimulation. These findings suggest that targeting HMGB1 may be a promising therapeutic strategy and that HMGB1 levels could be a valuable biomarker for predicting diazepam resistance in SE.
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Affiliation(s)
- Corry Novita Mahama
- Doctoral Program in Biomedical Sciences, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia.
| | - Melva Louisa
- Department of Pharmacology and Therapeutics, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| | - Fitri Octaviana
- Department of Neurology, Cipto Mangunkusumo Central Hospital, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| | - Dwi Anita Suryandari
- Department of Medical Biology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| | - Astri Budikayanti
- Department of Neurology, Cipto Mangunkusumo Central Hospital, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| | - Heri Wibowo
- Department of Parasitology, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
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You Q, Wu J, Liu Y, Zhang F, Jiang N, Tian X, Cai Y, Yang E, Lyu R, Zheng N, Chen D, Wu Z. HMGB1 Release Induced by EV71 Infection Exacerbates Blood-Brain Barrier Disruption via VE-cadherin Phosphorylation. Virus Res 2023; 338:199240. [PMID: 37832655 PMCID: PMC10587765 DOI: 10.1016/j.virusres.2023.199240] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/09/2023] [Accepted: 10/10/2023] [Indexed: 10/15/2023]
Abstract
PURPOSE EV71 (Enterovirus 71) is a major causative agent of the outbreaks of HFMD (hand, foot, and mouth disease), which is associated with neurological damage caused by permeability disruption of BBB (blood-brain barrier). HMGB1 (high-mobility group box 1) is a widely expressed nuclear protein that triggers host inflammatory responses. Our work aimed to explore the function of HMGB1 in EV71 infection and its contributions to EV71-related BBB damage. METHODS HeLa cells, HT-29 cells and AG6 mice were used to explore the translocation of HMGB1 in EV71 infection in vitro and in vivo. The roles of released HMGB1 on EV71 replication and associated inflammatory cytokines were investigated using recombinant HMGB1 in HeLa cells. The mechanisms of released HMGB1 in EV71-induced BBB injury were explored using recombinant HMGB1 and anti-HMGB1 neutralizing antibodies in monolayer HCMECs (immortalized human brain microvascular endothelial cells) and AG6 mice brain. RESULTS EV71 induced HMGB1 nucleocytoplasmic translocation and extracellular release in vitro and in vivo. Released HMGB1 acted as an inflammatory mediator in EV71 infection rather than affecting viral replication in vitro. Released HMGB1 disrupted BBB integrity by enhancing VE-cadherin phosphorylation at tyrosine 685 in HCMECs, and reducing total VE-cadherin levels in HCMECs and AG6 mice in EV71 infection. And released HMGB1 induced an increase in activated astrocytes. Neutralization of HMGB1 reversed the increased endothelial hyperpermeability and phosphorylation of VE-cadherin in HCMECs. CONCLUSION The inflammatory mediator HMGB1 released by EV71 exacerbated BBB disruption by enhancing VE-cadherin phosphorylation, which in turn aggravated EV71-induced neuroinflammation.
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Affiliation(s)
- Qiao You
- Center for Public Health Research, Medical School of Nanjing University, Nanjing, China
| | - Jing Wu
- Center for Public Health Research, Medical School of Nanjing University, Nanjing, China
| | - Ye Liu
- China Department of Ophthalmology, Tianjin First Central Hospital, Tianjin, China
| | - Fang Zhang
- Department of Burn and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Na Jiang
- Center for Public Health Research, Medical School of Nanjing University, Nanjing, China
| | - Xiaoyan Tian
- Center for Public Health Research, Medical School of Nanjing University, Nanjing, China
| | - Yurong Cai
- School of Life Sciences, Ningxia University, Yinchuan, PR China
| | - Enhui Yang
- Department of Child Healthcare, Wenzhou People's Hospital, Wenzhou, Zhejiang, China
| | - Ruining Lyu
- Center for Public Health Research, Medical School of Nanjing University, Nanjing, China
| | - Nan Zheng
- Center for Public Health Research, Medical School of Nanjing University, Nanjing, China
| | - Deyan Chen
- Center for Public Health Research, Medical School of Nanjing University, Nanjing, China.
| | - Zhiwei Wu
- School of Life Sciences, Ningxia University, Yinchuan, PR China; State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing, China; Jiangsu Key Laboratory of Molecular Medicine, Medical School of Nanjing University, Nanjing, China.
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Jarmuzek P, Defort P, Kot M, Wawrzyniak-Gramacka E, Morawin B, Zembron-Lacny A. Cytokine Profile in Development of Glioblastoma in Relation to Healthy Individuals. Int J Mol Sci 2023; 24:16206. [PMID: 38003396 PMCID: PMC10671437 DOI: 10.3390/ijms242216206] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/07/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Cytokines play an essential role in the control of tumor cell development and multiplication. However, the available literature provides ambiguous data on the involvement of these proteins in the formation and progression of glioblastoma (GBM). This study was designed to evaluate the inflammatory profile and to investigate its potential for the identification of molecular signatures specific to GBM. Fifty patients aged 66.0 ± 10.56 years with newly diagnosed high-grade gliomas and 40 healthy individuals aged 71.7 ± 4.9 years were included in the study. White blood cells were found to fall within the referential ranges and were significantly higher in GBM than in healthy controls. Among immune cells, neutrophils showed the greatest changes, resulting in elevated neutrophil-to-lymphocyte ratio (NLR). The neutrophil count inversely correlated with survival time expressed by Spearman's coefficient rs = -0.359 (p = 0.010). The optimal threshold values corresponded to 2.630 × 103/µL for NLR (the area under the ROC curve AUC = 0.831, specificity 90%, sensitivity 76%, the relative risk RR = 7.875, the confidence intervals 95%CI 3.333-20.148). The most considerable changes were recorded in pro-inflammatory cytokines interleukin IL-1β, IL-6, and IL-8, which were approx. 1.5-2-fold higher, whereas tumor necrosis factor α (TNFα) and high mobility group B1 (HMGB1) were lower in GBM than healthy control (p < 0.001). The results of the ROC, AUC, and RR analysis of IL-1β, IL-6, IL-8, and IL-10 indicate their high diagnostics potential for clinical prognosis. The highest average RR was observed for IL-6 (RR = 2.923) and IL-8 (RR = 3.151), which means there is an approx. three-fold higher probability of GBM development after exceeding the cut-off values of 19.83 pg/mL for IL-6 and 10.86 pg/mL for IL-8. The high values of AUC obtained for the models NLR + IL-1β (AUC = 0.907), NLR + IL-6 (AUC = 0.908), NLR + IL-8 (AUC = 0.896), and NLR + IL-10 (AUC = 0.887) prove excellent discrimination of GBM patients from healthy individuals and may represent GBM-specific molecular signatures.
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Affiliation(s)
- Pawel Jarmuzek
- Department of Nervous System Diseases, Collegium Medicum, Neurosurgery Center University Hospital, University of Zielona Gora, 65-417 Zielona Gora, Poland; (P.J.); (M.K.)
| | - Piotr Defort
- Department of Nervous System Diseases, Collegium Medicum, Neurosurgery Center University Hospital, University of Zielona Gora, 65-417 Zielona Gora, Poland; (P.J.); (M.K.)
| | - Marcin Kot
- Department of Nervous System Diseases, Collegium Medicum, Neurosurgery Center University Hospital, University of Zielona Gora, 65-417 Zielona Gora, Poland; (P.J.); (M.K.)
| | - Edyta Wawrzyniak-Gramacka
- Department of Applied and Clinical Physiology, Collegium Medicum, University of Zielona Gora, 65-417 Zielona Gora, Poland; (E.W.-G.); (B.M.); (A.Z.-L.)
| | - Barbara Morawin
- Department of Applied and Clinical Physiology, Collegium Medicum, University of Zielona Gora, 65-417 Zielona Gora, Poland; (E.W.-G.); (B.M.); (A.Z.-L.)
| | - Agnieszka Zembron-Lacny
- Department of Applied and Clinical Physiology, Collegium Medicum, University of Zielona Gora, 65-417 Zielona Gora, Poland; (E.W.-G.); (B.M.); (A.Z.-L.)
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Wang X, Liu Y, Li M, Ju Y, Tang J, Chen T, Lin X, Gu N, Yang F. Neuroinflammation catching nanobubbles for microglia-neuron unit modulation against epilepsy. Biomaterials 2023; 302:122302. [PMID: 37666103 DOI: 10.1016/j.biomaterials.2023.122302] [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: 05/23/2023] [Revised: 08/23/2023] [Accepted: 08/29/2023] [Indexed: 09/06/2023]
Abstract
Epilepsy is a common neurological disease caused by synchronous firing of hyperexcitable neurons. Currently, patients with epilepsy are typically treated with antiseizure medicines that work by interrupting the hyperexcitability or hypersynchrony of localized neurons or by inhibiting excitatory neurotransmission. However, these drugs do not treat the underlying causes of epilepsy, and nearly one-third of patients have seizures that cannot be controlled by these medications. Animal and clinical evidence suggests that inflammation caused by neuronal and non-neuronal cells within the epilepsy lesion could play a central role in seizure disorders. Here we report a gas-filled nanobubble (NB) conjugated with diammonium glycyrrhizinate (DG) drugs and sphingosine-1-phosphate (S1P) molecules (S1P@DG-NBs) on the lipid shell for targeted therapy and real-time ultrasound visualization applications against neuroinflammatory injury. Affinity of S1P@DG-NBs for the S1P receptor endows these NBs with enhanced targeting capability to the neuroinflammatory microenvironment of epilepsy, where the DG drugs modulate endothelium-microglia-neuron inflammation by inhibiting high-mobility group box 1 molecules and downregulating the Toll-like receptor 4 signaling pathway, resulting in anti-inflammatory M2 microglia that exert anti-epilepsy effects. Our results show that this technology can enhance visualization of epileptic brain and deliver drugs with anti-inflammatory and immunomodulatory properties to ameliorate seizures symptoms.
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Affiliation(s)
- Xiao Wang
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, 210096, PR China
| | - Yang Liu
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, 210096, PR China
| | - Mingxi Li
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, 210096, PR China
| | - Yongxu Ju
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, 210096, PR China
| | - Jian Tang
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, 210096, PR China
| | - Tiandong Chen
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, 210096, PR China
| | - Xubo Lin
- Beijing Advanced Innovation Center for Biomedical Engineering, School of Engineering Medicine, Beihang University, Beijing, 100191, PR China
| | - Ning Gu
- Medical School, Nanjing University, Nanjing, 210093, PR China
| | - Fang Yang
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Sciences and Medical Engineering, Southeast University, Nanjing, 210096, PR China.
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Wu Z, Liang L, Huang Q. Potential significance of high-mobility group protein box 1 in cerebrospinal fluid. Heliyon 2023; 9:e21926. [PMID: 38027583 PMCID: PMC10661089 DOI: 10.1016/j.heliyon.2023.e21926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 08/27/2023] [Accepted: 10/31/2023] [Indexed: 12/01/2023] Open
Abstract
High-mobility group protein box 1 (HMGB1) is a cytokine with multiple functions (according to its subcellular location) that serves a marker of inflammation. CSF HMGB1 could be the part of pathological mechanisms that underlie the complications associated with CNS diseases. HMGB1 actively or passively released into the CSF is detected in the CSF in many diseases of the central nervous system (CNS) and thus may be useful as a biomarker. Pathological alterations in distant areas were observed due to lesions in a specific region, and the level of HMGB1 in the CSF was found to be elevated. Reducing the HMGB1 level via intraventricular injection of anti-HMGB1 neutralizing antibodies can improve the outcomes of CNS diseases. The results indicated that CSF HMGB1 could serve as a biomarker for predicting disease progression and may also act as a pathogenic factor contributing to pathological alterations in distant areas following focal lesions in the CNS. In this mini-review, the characteristics of HMGB1 and progress in research on CSF HMGB1 as a biomarker of CNS diseases were discussed. CSF HMGB1 is useful not only as a biomarker of CNS diseases but may also be involved in interactions between different brain regions and the spinal cord.
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Affiliation(s)
- Zhiwu Wu
- Department of Neurosurgery, Ganzhou People's Hospital (Ganzhou Hospital, Southern Hospital of Southern Medical University), 16th Meiguan Road, Ganzhou 341000, China
| | - Liping Liang
- Department of Science and Education, Ganzhou People's Hospital (Ganzhou Hospital, Southern Hospital of Southern Medical University), 16th Meiguan Road, Ganzhou 341000, China
| | - Qianliang Huang
- Department of Neurosurgery, Ganzhou People's Hospital (Ganzhou Hospital, Southern Hospital of Southern Medical University), 16th Meiguan Road, Ganzhou 341000, China
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10
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Abbaszadeh F, Jorjani M, Joghataei MT, Raminfard S, Mehrabi S. Astaxanthin ameliorates spinal cord edema and astrocyte activation via suppression of HMGB1/TLR4/NF-κB signaling pathway in a rat model of spinal cord injury. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:3075-3086. [PMID: 37145127 DOI: 10.1007/s00210-023-02512-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 04/25/2023] [Indexed: 05/06/2023]
Abstract
Spinal cord edema is a quick-onset phenomenon with long-term effects. This complication is associated with inflammatory responses, as well as poor motor function. No effective treatment has been developed against spinal edema, which urges the need to provide novel therapies. Astaxanthin (AST) is a fat-soluble carotenoid with anti-inflammatory effects and a promising candidate for treating neurological disorders. This study aimed to investigate the underlying mechanism of AST on the inhibition of spinal cord edema, astrocyte activation, and reduction of inflammatory responsesin a rat compression spinal cord injury (SCI) model. Male rats underwent laminectomy at thoracic 8-9, and the SCI model was induced using an aneurysm clip. After SCI, rats received dimethyl sulfoxide or AST via intrathecal injection. The effects of AST were examined on the motor function, spinal cord edema, integrity of blood-spinal cord barrier (BSCB), and expression of high mobility group box 1 (HMGB1), toll-like receptor 4 (TLR4), nuclear factor-kappa B (NF-κB), glial fibrillary acidic protein (GFAP), and aquaporin-4 (AQP4), and matrix metallopeptidase- 9 (MMP-9) post-SCI. We showed that AST potentially improved the recovery of motor function and inhibited the spinal cord edema via maintaining the integrity of BSCB, reducing the expression of HMGB1, TLR4, and NF-κB, MMP-9 as well as downregulation of astrocyte activation (GFAP) and AQP4 expression. AST improves motor function and reduces edema and inflammatory responses in the spinal tissue. These effects are mediated by suppression of the HMGB1/TLR4/NF-κB signaling pathway, suppressing post-SCI astrocyte activation, and decreasing AQP4 and MMP-9 expression.
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Affiliation(s)
- Fatemeh Abbaszadeh
- Department of Neuroscience, Faculty of Advanced Technologies in Medicine, Iran University of Medical Science, Tehran, Iran
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Masoumeh Jorjani
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
- Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Mohammad Taghi Joghataei
- Department of Neuroscience, Faculty of Advanced Technologies in Medicine, Iran University of Medical Science, Tehran, Iran.
- Department of Innovation in Medical Education, Faculty of Medicine, Ottawa University, Ottawa, Canada.
| | - Samira Raminfard
- Neuroimaging and Analysis Group, Research Center for Molecular and Cellular Imaging, Advanced Medical Technologies and Equipment Institue, Tehran University of Medical Sciences, Tehran, Iran
| | - Soraya Mehrabi
- Department of Neuroscience, Faculty of Advanced Technologies in Medicine, Iran University of Medical Science, Tehran, Iran
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11
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Dincel GC, Yavuz O, Yildirim S, Al-Olayan EM, El-Ashram S. ADAMTS-13 and HMGB1-induced oxidative stress in Taenia multiceps-infected animals. Sci Rep 2023; 13:17929. [PMID: 37863934 PMCID: PMC10589341 DOI: 10.1038/s41598-023-44376-0] [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: 04/05/2023] [Accepted: 10/07/2023] [Indexed: 10/22/2023] Open
Abstract
This study investigated the cytotoxic effects of oxidative stress (OS), high mobility group box 1 (HMGB1), ADAMTS (A disintegrin and metalloproteinase with thrombospondin motifs), and neuropathology associated with coenurus cerebralis (Taenia multiceps). ADAMTS-13, HMGB1, glutathione reductase (GR), copper/zinc superoxide dismutase (Cu/Zn SOD), and 8-hydroxy-2'-deoxyguanosine (8-OHdG) expression levels were studied. The study found that ADAMTS-13 (P < 0.005), HMGB1 (P < 0.005), GR (P < 0.005), Cu/Zn SOD (P < 0.005), and 8-OHdG (P < 0.005) levels were significantly higher in T. multiceps (c. cerebralis)-infected animals compared to healthy control animals. This study's most important finding was that HMGB1 up-regulation in neurons, endothelial cells, and glial cells can directly cause brain parenchymal destruction and that HMGB1-mediated oxidative stress plays a crucial role in the neuropathogenesis of coenurosis. The results also showed that increased levels of ADAMTS-13 may play a pivotal role in regulating and protecting the blood-brain barrier integrity and neuroprotection. These findings also suggest that ADAMTS-13 and HMGB1 compete in the prevention or formation of microthrombi, which was regarded as a remarkable finding. ADAMTS-13 and HMGB1 are valuable biomarkers for disease risk assessment, estimating host neuropathy following T. multiceps (c. cerebralis) exposure, and providing a new therapeutic target. This is the first study to show that HMGB1 and ADAMTS-13 are expressed in reactive cells and are associated with neuroimmunopathology in coenurosis.
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Affiliation(s)
- Gungor Cagdas Dincel
- Eskil Vocational School, Laboratory and Veterinary Science, Aksaray University, Aksaray, Turkey.
| | - Orhan Yavuz
- Department of Pathology, Faculty of Veterinary Medicine, Aksaray University, Aksaray, Turkey
| | - Serkan Yildirim
- Department of Pathology, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey
| | - Ebtesam M Al-Olayan
- Department of Zoology, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Saeed El-Ashram
- Zoology Department, Faculty of Science, Kafrelsheikh University, Kafr El-Sheikh, 33516, Egypt.
- College of Life Science and Engineering, Foshan University, 18 Jiangwan Street, Foshan, 528231, Guangdong Province, China.
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12
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Zhao J, Xu F, Xu W, Lv R, Wang J, Yang X. Higher High-Mobility Group Box-1 Levels are Associated with White Matter Lesions in Ischemic Stroke Patients. J Inflamm Res 2023; 16:4441-4449. [PMID: 37842188 PMCID: PMC10572385 DOI: 10.2147/jir.s432109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 09/27/2023] [Indexed: 10/17/2023] Open
Abstract
Background and Purpose High-mobility group box-1 (HMGB1) is a useful biomarker for disease severity stratification and prognosis prediction. We aim to explore whether the circulating HMGB1 concentrations are associated with the white matter lesions (WMLs) burden in stroke patients. Methods Between 2022 June and December 2022, patients with acute ischemic stroke were prospectively enrolled. HMGB1 levels were measured by an enzyme-linked immunosorbent assay after admission for all patients. The WMLs severity was assessed by the Fazekas scale. We dichotomized patients into those with moderate-severe WMLs (Fazekas score 3-6) versus those with none-mild WMLs (Fazekas score 0-2). Furthermore, based on the severity of periventricular WMLs (PWMLs) and deep WMLs (DWMLs), patients were categorized as none-mild (Fazekas score 0-1) or moderate-severe (Fazekas score 2-3). Results A total of 287 participants (mean age: 64.9 years; 157 male) were analyzed. The median serum HMGB1 levels were 7.3 ng/mL (interquartile, 4.3 ng/mL-12.3 ng/mL). After adjustment for potential confounders, elevated HMGB1 levels were associated with the presence of moderate-severe WMLs (first quartile vs fourth quartile, odds ratio [OR], 4.101; 95% confidence interval [CI], 1.948-8.633; P = 0.001) and moderate-severe PWMLs (first quartile vs fourth quartile, OR, 9.181; 95% CI, 4.078-20.671; P = 0.001). Similar results were found when the HMGB1 levels were analyzed as a continuous variable. Conclusion This study demonstrated that increased HMGB1 levels were associated with the severity of WMLs, mainly in the periventricular region.
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Affiliation(s)
- Jie Zhao
- Department of Geriatrics, Suzhou Ninth People’s Hospital, Soochow University, Suzhou, Jiangsu, 215200, People’s Republic of China
| | - Fang Xu
- Department of Obstetrics and Gynecology, Suzhou Wujiang District Hospital of Traditional Chinese Medicine, Suzhou, Jiangsu, 215200, People’s Republic of China
| | - Wanying Xu
- Department of Geriatrics, Suzhou Ninth People’s Hospital, Soochow University, Suzhou, Jiangsu, 215200, People’s Republic of China
| | - Rong Lv
- Department of Geriatrics, Suzhou Ninth People’s Hospital, Soochow University, Suzhou, Jiangsu, 215200, People’s Republic of China
| | - Juan Wang
- Department of Endocrine, Suzhou Ninth People’s Hospital, Soochow University, Suzhou, Jiangsu, 215200, People’s Republic of China
| | - Xufeng Yang
- Department of Geriatrics, Suzhou Ninth People’s Hospital, Soochow University, Suzhou, Jiangsu, 215200, People’s Republic of China
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13
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Rastin C, Schenkel LC, Sadikovic B. Complexity in Genetic Epilepsies: A Comprehensive Review. Int J Mol Sci 2023; 24:14606. [PMID: 37834053 PMCID: PMC10572646 DOI: 10.3390/ijms241914606] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/22/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023] Open
Abstract
Epilepsy is a highly prevalent neurological disorder, affecting between 5-8 per 1000 individuals and is associated with a lifetime risk of up to 3%. In addition to high incidence, epilepsy is a highly heterogeneous disorder, with variation including, but not limited to the following: severity, age of onset, type of seizure, developmental delay, drug responsiveness, and other comorbidities. Variable phenotypes are reflected in a range of etiologies including genetic, infectious, metabolic, immune, acquired/structural (resulting from, for example, a severe head injury or stroke), or idiopathic. This review will focus specifically on epilepsies with a genetic cause, genetic testing, and biomarkers in epilepsy.
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Affiliation(s)
- Cassandra Rastin
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, ON N6A 5W9, Canada
- Department of Pathology and Laboratory Medicine, Western University, London, ON N6A 3K7, Canada
| | - Laila C. Schenkel
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, ON N6A 5W9, Canada
- Department of Pathology and Laboratory Medicine, Western University, London, ON N6A 3K7, Canada
| | - Bekim Sadikovic
- Molecular Genetics Laboratory, Molecular Diagnostics Division, London Health Sciences Centre, London, ON N6A 5W9, Canada
- Department of Pathology and Laboratory Medicine, Western University, London, ON N6A 3K7, Canada
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14
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Nowacka A, Fajkiel-Madajczyk A, Ohla J, Woźniak-Dąbrowska K, Liss S, Gryczka K, Smuczyński W, Ziółkowska E, Bożiłow D, Śniegocki M, Wiciński M. Current Treatment of Melanoma Brain Metastases. Cancers (Basel) 2023; 15:4088. [PMID: 37627116 PMCID: PMC10452790 DOI: 10.3390/cancers15164088] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/22/2023] [Accepted: 07/25/2023] [Indexed: 08/27/2023] Open
Abstract
Melanoma is a type of skin cancer in which there is a strong correlation between its occurrence and exposure to ultraviolet radiation. Although it is not the most common skin cancer, it has the highest mortality rate of all skin cancers. The prognosis of patients is significantly worsened by melanoma metastasis to the brain, which often occurs in patients with advanced disease. The formation and development of melanoma metastases to the brain involve a very complex process, and their mechanisms are not fully understood. One of the ways for metastatic melanoma cells to survive and develop cancer in the brain environment is the presence of oncogenic BRAF mutation, which occurs in up to 50% of metastatic melanoma cases. Before discovering new methods of treating metastases, the overall survival of patients with this disease was 6 months. Currently, research is being conducted on new drugs using immunotherapy (immune checkpoint inhibitors: anti-PD-1, anti-CTLA-4) and targeted therapy (BRAF and MEK inhibitors) to improve the prognosis of patients. In this article, we summarize the current state of knowledge about the results of treating brain metastases with new systemic therapies.
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Affiliation(s)
- Agnieszka Nowacka
- Department of Neurosurgery, Nicolas Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, ul. Curie Skłodowskiej 9, 85-094 Bydgoszcz, Poland; (K.W.-D.); (S.L.); (M.Ś.)
| | - Anna Fajkiel-Madajczyk
- Department of Pharmacology and Therapeutics, Nicolas Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, ul. Curie Skłodowskiej 9, 85-090 Bydgoszcz, Poland; (A.F.-M.); (K.G.); (M.W.)
| | - Jakub Ohla
- Department of Orthopaedics and Traumatology, Nicolas Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, ul. Curie Skłodowskiej 9, 85-094 Bydgoszcz, Poland;
| | - Kamila Woźniak-Dąbrowska
- Department of Neurosurgery, Nicolas Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, ul. Curie Skłodowskiej 9, 85-094 Bydgoszcz, Poland; (K.W.-D.); (S.L.); (M.Ś.)
| | - Sara Liss
- Department of Neurosurgery, Nicolas Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, ul. Curie Skłodowskiej 9, 85-094 Bydgoszcz, Poland; (K.W.-D.); (S.L.); (M.Ś.)
| | - Karol Gryczka
- Department of Pharmacology and Therapeutics, Nicolas Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, ul. Curie Skłodowskiej 9, 85-090 Bydgoszcz, Poland; (A.F.-M.); (K.G.); (M.W.)
| | - Wojciech Smuczyński
- Department of Physiotherapy, Nicolas Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, ul. Techników 3, 85-801 Bydgoszcz, Poland;
| | - Ewa Ziółkowska
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO 63110, USA;
| | - Dominika Bożiłow
- Anaesthesiology and Intensive Care Clinical Ward, The 10th Military Research Hospital and Polyclinic, ul. Powstańców Warszawy 5, 85-681 Bydgoszcz, Poland;
| | - Maciej Śniegocki
- Department of Neurosurgery, Nicolas Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, ul. Curie Skłodowskiej 9, 85-094 Bydgoszcz, Poland; (K.W.-D.); (S.L.); (M.Ś.)
| | - Michał Wiciński
- Department of Pharmacology and Therapeutics, Nicolas Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, ul. Curie Skłodowskiej 9, 85-090 Bydgoszcz, Poland; (A.F.-M.); (K.G.); (M.W.)
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15
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Abdolmaleky HM, Zhou JR. Underlying Mechanisms of Brain Aging and Neurodegenerative Diseases as Potential Targets for Preventive or Therapeutic Strategies Using Phytochemicals. Nutrients 2023; 15:3456. [PMID: 37571393 PMCID: PMC10473240 DOI: 10.3390/nu15153456] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 07/30/2023] [Accepted: 08/01/2023] [Indexed: 08/13/2023] Open
Abstract
During aging, several tissues and biological systems undergo a progressive decline in function, leading to age-associated diseases such as neurodegenerative, inflammatory, metabolic, and cardiovascular diseases and cancer. In this review, we focus on the molecular underpinning of senescence and neurodegeneration related to age-associated brain diseases, in particular, Alzheimer's and Parkinson's diseases, along with introducing nutrients or phytochemicals that modulate age-associated molecular dysfunctions, potentially offering preventive or therapeutic benefits. Based on current knowledge, the dysregulation of microglia genes and neuroinflammation, telomere attrition, neuronal stem cell degradation, vascular system dysfunction, reactive oxygen species, loss of chromosome X inactivation in females, and gut microbiome dysbiosis have been seen to play pivotal roles in neurodegeneration in an interactive manner. There are several phytochemicals (e.g., curcumin, EGCG, fucoidan, galangin, astin C, apigenin, resveratrol, phytic acid, acacetin, daucosterol, silibinin, sulforaphane, withaferin A, and betulinic acid) that modulate the dysfunction of one or several key genes (e.g., TREM2, C3, C3aR1, TNFA, NF-kb, TGFB1&2, SIRT1&6, HMGB1, and STING) affected in the aged brain. Although phytochemicals have shown promise in slowing down the progression of age-related brain diseases, more studies to identify their efficacy, alone or in combinations, in preclinical systems can help to design novel nutritional strategies for the management of neurodegenerative diseases in humans.
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Affiliation(s)
| | - Jin-Rong Zhou
- Nutrition/Metabolism Laboratory, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA;
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16
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Guo C, Zhou X, Wang X, Wang H, Liu J, Wang J, Lin X, Lei S, Yang Y, Liu K, Long H, Zhou D. Annao Pingchong decoction alleviate the neurological impairment by attenuating neuroinflammation and apoptosis in intracerebral hemorrhage rats. JOURNAL OF ETHNOPHARMACOLOGY 2023; 310:116298. [PMID: 36870460 DOI: 10.1016/j.jep.2023.116298] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 02/07/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Intracerebral hemorrhage (ICH) is a central nervous system disease that causes severe disability or death. Even though Annao Pingchong decoction (ANPCD), a traditional Chinese decoction, has been used clinically to treat ICH in China, its molecular mechanism remains unclear. AIM OF THE STUDY To study whether the neuroprotective effect of ANPCD on ICH rats is achieved by alleviating neuroinflammation. This paper mainly explored whether inflammation-related signaling pathways (HMGB1/TLR4/NF-κB P65) plays a role in ANPCD treatment of ICH rats. MATERIALS AND METHODS Liquid chromatography-tandem mass spectrometry was used to analyze the chemical composition of ANPCD. ICH models were established by injecting autologous whole blood into the left caudate nucleus of Sprague-Dawley (SD) rats. Modified neurological severity scoring (mNSS) was used to assess the neurological deficits. The levels of tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and IL-6 were analyzed using enzyme-linked immunosorbent assay (ELISA). Pathological changes in the rat brains were observed using hematoxylin-eosin, Nissl, and TUNEL staining. The protein levels of HMGB1, TLR4, NF-κB p65, B-cell lymphoma 2 (Bcl-2), and Bcl-2-associated X protein (Bax) were measured by western blotting and immunofluorescence analysis. RESULTS Ninety-three ANPCD compounds were identified, including 48 active plasma components. Treatment with ANPCD effectively improved the outcome, as observed by the neurological function scores analysis and brain histopathology. Our results showed that ANPCD exerts its anti-inflammatory effects by significantly downregulating the expression of HMGB1, TLR4, NF-κB p65, TNF-α, IL-1β, and IL-6. ANPCD also exerted anti-apoptotic effects by significantly decreasing the apoptosis rate and Bax/Bcl-2 ratio. CONCLUSION We found that ANPCD had neuroprotective effect in clinical work. Here, we also found that the action mechanism of ANPCD might be related to attenuate neuroinflammation and apoptosis. These effects were achieved by inhibiting the expression of HMGB1, TLR4 and NF-κB p65.
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Affiliation(s)
- Chun Guo
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China.
| | - Xuqing Zhou
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Xu Wang
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Haojie Wang
- Department of Neurology, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Jian Liu
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Jinxi Wang
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Xiaoyuan Lin
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Shihui Lei
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Yi Yang
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Kai Liu
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Hongping Long
- Experiment Center of Medical Innovation, The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Desheng Zhou
- Department of Neurology, The First Hospital of Hunan University of Chinese Medicine, Changsha, China.
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Jiang J, Kao TC, Hu S, Li Y, Feng W, Guo X, Zeng J, Ma X. Protective role of baicalin in the dynamic progression of lung injury to idiopathic pulmonary fibrosis: A meta-analysis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 114:154777. [PMID: 37018850 DOI: 10.1016/j.phymed.2023.154777] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 03/05/2023] [Accepted: 03/16/2023] [Indexed: 06/19/2023]
Abstract
BACKGROUND AND PURPOSE The pathological progression of lung injury (LI) to idiopathic pulmonary fibrosis (IPF) is a common feature of the development of lung disease. At present, effective strategies for preventing this progression are unavailable. Baicalin has been reported to specifically inhibit the progression of LI to IPF. Therefore, this meta-analysis aimed to assess its clinical application and its potential as a therapeutic drug for lung disease based on integrative analysis. METHODS We systematically searched preclinical articles in eight databases and reviewed them subjectively. The CAMARADES scoring system was used to assess the degree of bias and quality of evidence, whereas the STATA software (version 16.0 software) was used for statistical analysis, including a 3D analysis of the effects of dosage frequency of baicalin in LI and IPF. The protocol of this meta-analysis is documented in the PROSPERO database (CRD42022356152). RESULTS A total of 23 studies and 412 rodents were included after several rounds of screening. Baicalin was found to reduce the levels of TNF-α, IL-1β, IL-6, HYP, TGF-β and MDA and the W/D ratio and increase the levels of SOD. Histopathological analysis of lung tissue validated the regulatory effects of baicalin, and the 3D analysis of dosage frequency revealed that the effective dose of baicalin is 10-200 mg/kg. Mechanistically, baicalin can prevent the progression of LI to IPF by modulating p-Akt, p-NF-κB-p65 and Bcl-2-Bax-caspase-3 signalling. Additionally, baicalin is involved in signalling pathways closely related to anti-apoptotic activity and regulation of lung tissue and immune cells. CONCLUSION Baicalin at the dose of 10-200 mg/kg exerts protective effects against the progression of LI to IPF through anti-inflammatory and anti-apoptotic pathways.
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Affiliation(s)
- Jiajie Jiang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Te-Chan Kao
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Sihan Hu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Yubing Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Weiyi Feng
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Xiaochuan Guo
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China
| | - Jinhao Zeng
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China; Department of Gastroenterology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China.
| | - Xiao Ma
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 610075, China.
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Xu Y, Zhang J, Gao F, Cheng W, Zhang Y, Wei C, Zhang S, Gao X. Engeletin alleviates cerebral ischemia reperfusion-induced neuroinflammation via the HMGB1/TLR4/NF-κB network. J Cell Mol Med 2023; 27:1653-1663. [PMID: 37132060 PMCID: PMC10273068 DOI: 10.1111/jcmm.17758] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/20/2023] [Accepted: 04/24/2023] [Indexed: 05/04/2023] Open
Abstract
High-mobility group box1 (HMGB1) induces inflammatory injury, and emerging reports suggest that it is critical for brain ischemia reperfusion. Engeletin, a natural Smilax glabra rhizomilax derivative, is reported to possess anti-inflammatory activity. Herein, we examined the mechanism of engeletin-mediated neuroprotection in rats having transient middle cerebral artery occlusion (tMCAO) against cerebral ischemia reperfusion injury. Male SD rats were induced using a 1.5 h tMCAO, following by reperfusion for 22.5 h. Engeletin (15, 30 or 60 mg/kg) was intravenously administered immediately following 0.5 h of ischemia. Based on our results, engeletin, in a dose-dependent fashion, reduced neurological deficits, infarct size, histopathological alterations, brain edema and inflammatory factors, namely, circulating IL-1β, TNF-α, IL-6 and IFN-γ. Furthermore, engeletin treatment markedly reduced neuronal apoptosis, which, in turn, elevated Bcl-2 protein levels, while suppressing Bax and Cleaved Caspase-3 protein levels. Meanwhile, engeletin significantly reduces overall expressions of HMGB1, TLR4, and NF-κB and attenuated nuclear transfer of nuclear factor kappa B (NF-κB) p65 in ischemic cortical tissue. In conclusion, engeletin strongly prevents focal cerebral ischemia via suppression of the HMGB1/TLR4/NF-κB inflammatory network.
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Affiliation(s)
- Yangyang Xu
- School of PharmacyKey Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai UniversityYantaiChina
- Department of PharmacyBinzhou Medical University HospitalBinzhouChina
| | - Jie Zhang
- Department of RadiologyBinzhou Medical University HospitalBinzhouChina
| | - Fei Gao
- Department of PharmacyBinzhou Medical University HospitalBinzhouChina
| | - Wenna Cheng
- Department of PharmacyBinzhou Medical University HospitalBinzhouChina
| | - Ye Zhang
- Department of PharmacyBinzhou Medical University HospitalBinzhouChina
| | - Chuanmei Wei
- Department of PharmacyBinzhou Medical University HospitalBinzhouChina
| | - Shuping Zhang
- College of Basic MedicineBinzhou Medical UniversityYantaiChina
| | - Xinfu Gao
- Department of PharmacyBinzhou Medical University HospitalBinzhouChina
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19
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Kim S, Sharma C, Jung UJ, Kim SR. Pathophysiological Role of Microglial Activation Induced by Blood-Borne Proteins in Alzheimer's Disease. Biomedicines 2023; 11:biomedicines11051383. [PMID: 37239054 DOI: 10.3390/biomedicines11051383] [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: 04/06/2023] [Revised: 05/01/2023] [Accepted: 05/04/2023] [Indexed: 05/28/2023] Open
Abstract
The blood-brain barrier (BBB) restricts entry of neurotoxic plasma components, blood cells, and pathogens into the brain, leading to proper neuronal functioning. BBB impairment leads to blood-borne protein infiltration such as prothrombin, thrombin, prothrombin kringle-2, fibrinogen, fibrin, and other harmful substances. Thus, microglial activation and release of pro-inflammatory mediators commence, resulting in neuronal damage and leading to impaired cognition via neuroinflammatory responses, which are important features observed in the brain of Alzheimer's disease (AD) patients. Moreover, these blood-borne proteins cluster with the amyloid beta plaque in the brain, exacerbating microglial activation, neuroinflammation, tau phosphorylation, and oxidative stress. These mechanisms work in concert and reinforce each other, contributing to the typical pathological changes in AD in the brain. Therefore, the identification of blood-borne proteins and the mechanisms involved in microglial activation and neuroinflammatory damage can be a promising therapeutic strategy for AD prevention. In this article, we review the current knowledge regarding the mechanisms of microglial activation-mediated neuroinflammation caused by the influx of blood-borne proteins into the brain via BBB disruption. Subsequently, the mechanisms of drugs that inhibit blood-borne proteins, as a potential therapeutic approach for AD, along with the limitations and potential challenges of these approaches, are also summarized.
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Affiliation(s)
- Sehwan Kim
- School of Life Sciences, Kyungpook National University, Daegu 41566, Republic of Korea
- Brain Science and Engineering Institute, Kyungpook National University, Daegu 41944, Republic of Korea
| | - Chanchal Sharma
- School of Life Sciences, Kyungpook National University, Daegu 41566, Republic of Korea
- BK21 FOUR KNU Creative BioResearch Group, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Un Ju Jung
- Department of Food Science and Nutrition, Pukyong National University, Busan 48513, Republic of Korea
| | - Sang Ryong Kim
- School of Life Sciences, Kyungpook National University, Daegu 41566, Republic of Korea
- Brain Science and Engineering Institute, Kyungpook National University, Daegu 41944, Republic of Korea
- BK21 FOUR KNU Creative BioResearch Group, Kyungpook National University, Daegu 41566, Republic of Korea
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20
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Wu S, Wang J, Liu J, Zhu H, Li R, Wan X, Lei J, Li Y, You C, Hu F, Zhang S, Zhao K, Shu K, Lei T. Programmed cell death 10 increased blood-brain barrier permeability through HMGB1/TLR4 mediated downregulation of endothelial ZO-1 in glioblastoma. Cell Signal 2023; 107:110683. [PMID: 37075875 DOI: 10.1016/j.cellsig.2023.110683] [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: 11/15/2022] [Revised: 04/12/2023] [Accepted: 04/15/2023] [Indexed: 04/21/2023]
Abstract
Dysfunction of blood brain barrier (BBB) contributes to the development of peritumoral edema (PTE) and GBM progression. Programmed cell death 10 (PDCD10) exerts various influence on cancers, especially in glioblastoma (GBM). We previously found that PDCD10 expression was positively correlated with PTE extent in GBM. Thus, the present study aims to investigate the emerging role of PDCD10 in regulating BBB permeability in GBM. Here we found that in vitro indirect co-culture of ECs with Pdcd10-overexpressed GL261 cells resulted in a significant increase of FITC-Dextran (MW, 4000) leakage by reducing endothelial zonula occluden-1 (ZO-1) and Claudin-5 expression in ECs respectively. Overexpression of Pdcd10 in GBM cells (GL261) triggered an increase of soluble high mobility group box 1 (HMGB1) release, which in turn activated endothelial toll like receptor 4 (TLR4) and downstream NF-κB, Erk1/2 and Akt signaling in ECs through a paracrine manner. Moreover, Pdcd10-overexpressed GL261 cells facilitated a formation of abnormal vasculature and increased the BBB permeability in vivo. Our present study demonstrates that upregulation of PDCD10 in GBM triggered HMGB1/TLR4 signaling in ECs and significantly decreased endothelial ZO-1 expression, which in turn dominantly increased BBB permeability and contributed to tumor progression in GBM.
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Affiliation(s)
- Sisi Wu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China
| | - Junwen Wang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China
| | - Jingdian Liu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China
| | - Hongtao Zhu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China
| | - Ran Li
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China
| | - Xueyan Wan
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China
| | - Jin Lei
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China
| | - Yu Li
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China
| | - Chao You
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China
| | - Feng Hu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China
| | - Suojun Zhang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China
| | - Kai Zhao
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China.
| | - Kai Shu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China.
| | - Ting Lei
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, PR China
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21
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Qiao H, Morioka Y, Wang D, Liu K, Gao S, Wake H, Ousaka D, Teshigawara K, Mori S, Nishibori M. Protective effects of an anti-4-HNE monoclonal antibody against liver injury and lethality of endotoxemia in mice. Eur J Pharmacol 2023; 950:175702. [PMID: 37059372 DOI: 10.1016/j.ejphar.2023.175702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/28/2023] [Accepted: 03/29/2023] [Indexed: 04/16/2023]
Abstract
4-hydroxy-2-nonenal (4-HNE) is a lipid peroxidation product that is known to be elevated during oxidative stress. During systemic inflammation and endotoxemia, plasma levels of 4-HNE are elevated in response to lipopolysaccharide (LPS) stimulation. 4-HNE is a highly reactive molecule due to its generation of both Schiff bases and Michael adducts with proteins, which may result in modulation of inflammatory signaling pathways. In this study, we report the production of a 4-HNE adduct-specific monoclonal antibody (mAb) and the effectiveness of the intravenous injection of this mAb (1 mg/kg) in ameliorating LPS (10 mg/kg, i.v.)-induced endotoxemia and liver injury in mice. Endotoxic lethality in control mAb-treated group was suppressed by the administration of anti-4-HNE mAb (75 vs. 27%). After LPS injection, we observed a significant increase in the plasma levels of AST, ALT, IL-6, TNF-α and MCP-1, and elevated expressions of IL-6, IL-10 and TNF-α in the liver. All these elevations were inhibited by anti-4-HNE mAb treatment. As to the underlining mechanism, anti-4-HNE mAb inhibited the elevation of plasma high mobility group box-1 (HMGB1) levels, the translocation and release of HMGB1 in the liver and the formation of 4-HNE adducts themselves, suggesting a functional role of extracellular 4-HNE adducts in hypercytokinemia and liver injury associated with HMGB1 mobilization. In summary, this study reveals a novel therapeutic application of anti-4-HNE mAb for endotoxemia.
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Affiliation(s)
- Handong Qiao
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Yuta Morioka
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Dengli Wang
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Keyue Liu
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Shangze Gao
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Hidenori Wake
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Daiki Ousaka
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Kiyoshi Teshigawara
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Shuji Mori
- Department of Pharmacology, Shujitsu University, Okayama, 703-8516, Japan
| | - Masahiro Nishibori
- Department of Translational Research and Drug Development, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan.
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22
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Wu Z, Li M. High-Mobility Group Box 1 in Spinal Cord Injury and Its Potential Role in Brain Functional Remodeling After Spinal Cord Injury. Cell Mol Neurobiol 2023; 43:1005-1017. [PMID: 35715656 DOI: 10.1007/s10571-022-01240-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 06/04/2022] [Indexed: 11/30/2022]
Abstract
High-mobility group box 1 (HMGB1) is a nonhistone nuclear protein, the functions of which depend on its subcellular location. It is actively or passively secreted into the blood and/or cerebrospinal fluid (CSF) and can be used as a prognostic indicator of disease. HMGB1 released into the bloodstream can cause pathological reactions in distant organs, and entry into the CSF can destroy the blood-brain barrier and aggravate brain injuries. HMGB1 expression has been reported to be increased in the tissues of spinal cord injury (SCI) patients and involved in the regulation of neuroinflammation, neuronal apoptosis, and ferroptosis. SCI can lead to brain changes, resulting in neuropathic pain, depression, and cognitive dysfunction, but the specific mechanism is unknown. It remains unclear whether HMGB1 plays an important role in brain functional remodeling after SCI. Damaged cells at the site of SCI passively release HMGB1, which travels to the brain via the blood, CSF, and/or axonal transport, destroys the blood-brain barrier, and causes pathological changes in the brain. This may explain the remodeling of brain function that occurs after SCI. In this minireview, we introduce the structure and function of HMGB1 and its mechanism of action in SCI. Clarifying the functions of HMGB1 may provide insight into the links between SCI and various brain regions.
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Affiliation(s)
- Zhiwu Wu
- Department of Neurosurgery & Jiangxi Key Laboratory of Neurosurgery, The First Affiliated Hospital of Nanchang University, 17th Yongwaizheng Street, Nanchang, 330006, China
| | - Meihua Li
- Department of Neurosurgery & Jiangxi Key Laboratory of Neurosurgery, The First Affiliated Hospital of Nanchang University, 17th Yongwaizheng Street, Nanchang, 330006, China.
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23
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Mo J, Hu J, Cheng X. The role of high mobility group box 1 in neuroinflammatory related diseases. Biomed Pharmacother 2023; 161:114541. [PMID: 36963363 DOI: 10.1016/j.biopha.2023.114541] [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: 12/13/2022] [Revised: 03/12/2023] [Accepted: 03/13/2023] [Indexed: 03/26/2023] Open
Abstract
High mobility group box 1 (HMGB1) is a ubiquitous and highly conserved non-histone DNA-binding protein with different biological functions according to its subcellular localization. It is widely believed that HMGB1, which is released into the extracellular space, plays a key role in the inflammatory response. In recent years, numerous studies have shown that the development of various neurological diseases such as epilepsy, Alzheimer's disease (AD), Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS), multiple sclerosis (MS), cerebrovascular disease and traumatic brain injury (TBI) are inextricably linked to inflammation. We will review the mechanisms of HMGB1 and its receptors in nervous system inflammation to provide a basis for further development of new HMGB1-based therapies.
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Affiliation(s)
- Jialu Mo
- The First Affiliated Hospital of Yangtze University, Jingzhou 434000, Hubei, China
| | - Jiao Hu
- The First Affiliated Hospital of Yangtze University, Jingzhou 434000, Hubei, China
| | - Xianglin Cheng
- The First Affiliated Hospital of Yangtze University, Jingzhou 434000, Hubei, China.
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24
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Luo Z, Xu M, Zhang L, Zhang H, Xu Z, Xu Z. Glycyrrhizin regulates the HMGB1/P38MAPK signalling pathway in status epilepticus. Mol Med Rep 2023; 27:45. [PMID: 36633134 PMCID: PMC9887508 DOI: 10.3892/mmr.2023.12932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 12/07/2022] [Indexed: 01/07/2023] Open
Abstract
In recent decades, studies have reported that inflammation serves key roles in epilepsy and that high mobility group box protein‑1 (HMGB1) may be involved in status epilepticus. However, it has not been reported whether HMGB1 participates in the pathogenesis of status epilepticus through the regulation of the p38 mitogen‑activated protein kinase (p38MAPK) signalling pathway. In the present study, Sprague‑Dawley rats were randomly divided into four groups as follows: Control, status epilepticus (SE), dimethyl sulfoxide treatment (DMSO + SE), and glycyrrhizin treatment (GL + SE) groups. Behavioural changes were then evaluated using the Racine score. In the hippocampus, the protein expression levels of HMGB1 were assessed using western blotting, the neuronal damage was evaluated using haematoxylin and eosin staining and transmission electron microscopy, and the activation of microglia was assessed using immunochemistry and immunofluorescence. The results demonstrated that, in the hippocampal region, HMGB1 existed in neurons and astrocytes and the protein expression levels of HMGB1, p38MAPK and phosphorylated‑p38MAPK were significantly inhibited after treatment with GL. Furthermore, GL could alleviate neuronal injury in the CA1 region of the hippocampus and prevented HMGB1 translocation from the nucleus into the cytoplasm in these areas. These findings expand the understanding of how HMGB1 may participate in SE and lay a foundation for evaluation of HMGB1 as a drug target.
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Affiliation(s)
- Zhong Luo
- Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563003, P.R. China
| | - Meng Xu
- Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563003, P.R. China
| | - Linhai Zhang
- Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563003, P.R. China
| | - Haiqing Zhang
- Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563003, P.R. China
| | - Zucai Xu
- Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563003, P.R. China,Correspondence to: Professor Zucai Xu or Professor Zhongxiang Xu, Department of Neurology, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Zunyi, Guizhou 563003, P.R. China, E-mail: , E-mail:
| | - Zhongxiang Xu
- Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563003, P.R. China,Correspondence to: Professor Zucai Xu or Professor Zhongxiang Xu, Department of Neurology, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Zunyi, Guizhou 563003, P.R. China, E-mail: , E-mail:
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25
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Xiao L, Zhang Z, Liu J, Zheng Z, Xiong Y, Li C, Feng Y, Yin S. HMGB1 accumulation in cytoplasm mediates noise-induced cochlear damage. Cell Tissue Res 2023; 391:43-54. [PMID: 36287265 DOI: 10.1007/s00441-022-03696-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 10/05/2022] [Indexed: 01/18/2023]
Abstract
Damage-associated molecular pattern molecules (DAMPs) play a critical role in mediating cochlear cell death, which leads to noise-induced hearing loss (NIHL). High-mobility group box 1 (HMGB1), a prototypical DAMP released from cells, has been extensively studied in the context of various diseases. However, whether extracellular HMGB1 contributes to cochlear pathogenesis in NIHL and the potential signals initiating HMGB1 release from cochlear cells are not well understood. Here, through the transfection of the adeno-associated virus with HMGB1-HA-tag, we first investigated early cytoplasmic accumulation of HMGB1 in cochlear hair cells after noise exposure. We found that the cochlear administration of HMGB1-neutralizing antibody immediately after noise exposure significantly alleviated hearing loss and outer hair cells (OHCs) death induced by noise exposure. In addition, activation of signal transducer and activators of transcription 1 (STAT1) and cellular hyperacetylation were verified as potential canonical initiators of HMGB1 cytoplasmic accumulation. These findings reveal the adverse effects of extracellular HMGB1 on the cochlea and the potential signaling events mediating HMGB1 release in hair cells, indicating multiple potential pharmacotherapeutic targets for NIHL.
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Affiliation(s)
- Lili Xiao
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
- Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, 200233, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, 200233, China
| | - Zhen Zhang
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
- Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, 200233, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, 200233, China
| | - Jianju Liu
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Zhong Zheng
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
- Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, 200233, China
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, 200233, China
| | - Yuanping Xiong
- Department of Otolaryngology Head and Neck Surgery, First Affiliated Hospital of Nanchang University, Nanchang, 330000, China
| | - Chunyan Li
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China.
- Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, 200233, China.
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, 200233, China.
| | - Yanmei Feng
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China.
- Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, 200233, China.
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, 200233, China.
| | - Shankai Yin
- Department of Otolaryngology-Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China.
- Otolaryngology Institute of Shanghai Jiao Tong University, Shanghai, 200233, China.
- Shanghai Key Laboratory of Sleep Disordered Breathing, Shanghai, 200233, China.
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26
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Electroacupuncture Alleviates Neuroinflammation by Inhibiting the HMGB1 Signaling Pathway in Rats with Sepsis-Associated Encephalopathy. Brain Sci 2022; 12:brainsci12121732. [PMID: 36552192 PMCID: PMC9776077 DOI: 10.3390/brainsci12121732] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/29/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Sepsis-Associated Encephalopathy (SAE) is common in sepsis patients, with high mortality rates. It is believed that neuroinflammation is an important mechanism involved in SAE. High mobility group box 1 protein (HMGB1), as a late pro-inflammatory factor, is significantly increased during sepsis in different brain regions, including the hippocampus. HMGB1 causes neuroinflammation and cognitive impairment through direct binding to advanced glycation end products (RAGE) and Toll-like receptor 4 (TLR4). Electroacupuncture (EA) at Baihui (GV20) and Zusanli (ST36) is beneficial for neurological diseases and experimental sepsis. Our study used EA to treat SAE induced by lipopolysaccharide (LPS) in male Sprague-Dawley rats. The Y maze test was performed to assess working memory. Immunofluorescence (IF) and Western blotting (WB) were used to determine neuroinflammation and the HMGB1 signaling pathway. Results showed that EA could improve working memory impairment in rats with SAE. EA alleviated neuroinflammation by downregulating the hippocampus's HMGB1/TLR4 and HMGB1/RAGE signaling, reducing the levels of pro-inflammatory factors, and relieving microglial and astrocyte activation. However, EA did not affect the tight junctions' expression of the blood-brain barrier (BBB) in the hippocampus.
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27
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The Association between High Mobility Group Box 1 and Stroke-Associated Pneumonia in Acute Ischemic Stroke Patients. Brain Sci 2022; 12:brainsci12111580. [PMID: 36421903 PMCID: PMC9688221 DOI: 10.3390/brainsci12111580] [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: 09/15/2022] [Revised: 11/06/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022] Open
Abstract
Objective: This study aimed to investigate the association between high-mobility-group box 1 (HMGB1) and stroke-associated pneumonia (SAP) in acute ischemic stroke (AIS) patients. Methods: AIS patients were enrolled in two centers. The serum samples were collected within the first 24 h after admission, and HMGB1 levels were measured by enzyme-linked immunosorbent assay. Logistic regression models were used to calculate the odds ratio (OR) and 95% confidence interval (95% CI) of SAP for HMGB1 concentrations. Restricted cubic splines (RCS) were performed to explore the shapes of the association between HMGB1 concentrations and SAP. Results: From January 2022 to May 2022, a total of 420 AIS patients were enrolled. Ninety-six (22.9%) patients develop SAP. The levels of HMGB1 in the SAP group were higher than those in the non-SAP group (p < 0.001). Using the first quartile of HMGB1 group as a reference, patients in the fourth quartile of HMGB1 group had the highest likelihood of experiencing SAP in the unadjusted model (OR = 3.687; 95% CI: 1.851−7.344), age- and sex-adjusted model (OR = 3.511; 95% CI: 1.725−7.147), and multivariable-adjusted model (OR = 2.701; 95% CI: 1.045−6.981). HMGB1 was also independently associated with SAP as a continuous variable in the unadjusted model (OR = 1.132; 95% CI: 1.069−1.199), age- and sex-adjusted model (OR = 1.131; 95% CI: 1.066−1.200), and multivariable-adjusted model (OR = 1.096; 95% CI: 1.011−1.188). RCS showed a linear association between HMGB1 and SAP (p for linear trend = 0.008) Conclusions: HMGB1 might be able to act as a potential biomarker of SAP in AIS patients.
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28
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Li XL, Wang S, Tang CY, Ma HW, Cheng ZZ, Zhao M, Sun WJ, Wang XF, Wang MY, Li TF, Qi XL, Zhou J, Luan GM, Guan YG. Translocation of High Mobility Group Box 1 From the Nucleus to the Cytoplasm in Depressed Patients With Epilepsy. ASN Neuro 2022; 14:17590914221136662. [PMID: 36383501 PMCID: PMC9677174 DOI: 10.1177/17590914221136662] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 10/15/2022] [Accepted: 10/17/2022] [Indexed: 08/05/2023] Open
Abstract
Depression is a common psychiatric comorbidity in patients with epilepsy, especially those with temporal lobe epilepsy (TLE). The aim of this study was to assess changes in high mobility group box protein 1 (HMGB1) expression in epileptic patients with and without comorbid depression. Sixty patients with drug-resistant TLE who underwent anterior temporal lobectomy were enrolled. Anterior hippocampal samples were collected after surgery and analyzed by immunofluorescence (n = 7/group). We also evaluated the expression of HMGB1 in TLE patients with hippocampal sclerosis and measured the level of plasma HMGB1 by enzyme-linked immunosorbent assay. The results showed that 28.3% of the patients (17/60) had comorbid depression. HMGB1 was ubiquitously expressed in all subregions of the anterior hippocampus. The ratio of HMGB1-immunoreactive neurons and astrocytes was significantly increased in both TLE patients with hippocampal sclerosis and TLE patients with comorbid depression compared to patients with TLE only. The ratio of cytoplasmic to nuclear HMGB1-positive neurons in the hippocampus was higher in depressed patients with TLE than in nondepressed patients, which suggested that more HMGB1 translocated from the nucleus to the cytoplasm in the depressed group. There was no significant difference in the plasma level of HMGB1 among patients with TLE alone, TLE with hippocampal sclerosis, and TLE with comorbid depression. The results of the study revealed that the translocation of HMGB1 from the nucleus to the cytoplasm in hippocampal neurons may play a previously unrecognized role in the initiation and amplification of epilepsy and comorbid depression. The direct targeting of neural HMGB1 is a promising approach for anti-inflammatory therapy.
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Affiliation(s)
- Xiao-Li Li
- Department of Neurology, Affiliated ZhongDa Hospital, Southeast University, Nanjing, China
| | - Shu Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China
| | - Chong-Yang Tang
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China
| | - Hao-Wei Ma
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China
| | - Zi-Zhang Cheng
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China
| | - Meng Zhao
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China
| | - Wei-Jin Sun
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China
| | - Xiong-Fei Wang
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China
| | - Meng-Yang Wang
- Department of Neurology, Sanbo Brain Hospital, Capital Medical University, Beijing, China
| | - Tian-Fu Li
- Department of Neurology, Sanbo Brain Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Epilepsy, Beijing, China
- Center of Epilepsy, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, China
| | - Xue-Ling Qi
- Department of Pathology, Sanbo Brain Hospital, Capital Medical University, Beijing, China
| | - Jian Zhou
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China
| | - Guo-Ming Luan
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Epilepsy, Beijing, China
- Center of Epilepsy, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, China
| | - Yu-Guang Guan
- Department of Neurosurgery, Sanbo Brain Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Epilepsy, Beijing, China
- Center of Epilepsy, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, China
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Shi J, Xiao Y, Zhang N, Jiao M, Tang X, Dai C, Wang C, Xu Y, Tan Z, Gong F, Zheng F. HMGB1 from Astrocytes Promotes EAE by Influencing the Immune Cell Infiltration-Associated Functions of BMECs in Mice. Neurosci Bull 2022; 38:1303-1314. [PMID: 35697993 PMCID: PMC9672173 DOI: 10.1007/s12264-022-00890-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 03/16/2022] [Indexed: 11/24/2022] Open
Abstract
High mobility group box 1 (HMGB1) has been reported to play an important role in experimental autoimmune encephalomyelitis (EAE). Astrocytes are important components of neurovascular units and tightly appose the endothelial cells of microvessels by their perivascular endfeet and directly regulate the functions of the blood-brain barrier. Astrocytes express more HMGB1 during EAE while the exact roles of astrocytic HMGB1 in EAE have not been well elucidated. Here, using conditional-knockout mice, we found that astrocytic HMGB1 depletion decreased morbidity, delayed the onset time, and reduced the disease score and demyelination of EAE. Meanwhile, there were fewer immune cells, especially pathogenic T cells infiltration in the central nervous system of astrocytic HMGB1 conditional-knockout EAE mice, accompanied by up-regulated expression of the tight-junction protein Claudin5 and down-regulated expression of the cell adhesion molecules ICAM1 and VCAM1 in vivo. In vitro, HMGB1 released from astrocytes decreased Claudin5 while increased ICAM1 and VCAM1 expressed by brain microvascular endothelial cells (BMECs) through TLR4 or RAGE. Taken together, our results demonstrate that HMGB1 derived from astrocytes aggravates EAE by directly influencing the immune cell infiltration-associated functions of BMECs.
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Affiliation(s)
- Junyu Shi
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yifan Xiao
- Department of Pathology and Pathophysiology, School of Medicine, Jianghan University, Wuhan, 430056, China
| | - Na Zhang
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Mengya Jiao
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xuhuan Tang
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Chan Dai
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Chenchen Wang
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yong Xu
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Zheng Tan
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
- Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, 430030, China
| | - Feili Gong
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Fang Zheng
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
- Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, 430030, China.
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Mao D, Zheng Y, Xu F, Han X, Zhao H. HMGB1 in nervous system diseases: A common biomarker and potential therapeutic target. Front Neurol 2022; 13:1029891. [PMID: 36388178 PMCID: PMC9659947 DOI: 10.3389/fneur.2022.1029891] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 10/10/2022] [Indexed: 11/29/2022] Open
Abstract
High-mobility group box-1 (HMGB1) is a nuclear protein associated with early inflammatory changes upon extracellular secretion expressed in various cells, including neurons and microglia. With the progress of research, neuroinflammation is believed to be involved in the pathogenesis of neurological diseases such as Parkinson's, epilepsy, and autism. As a key promoter of neuroinflammation, HMGB1 is thought to be involved in the pathogenesis of Parkinson's disease, stroke, traumatic brain injury, epilepsy, autism, depression, multiple sclerosis, and amyotrophic lateral sclerosis. However, in the clinic, HMGB1 has not been described as a biomarker for the above-mentioned diseases. However, the current preclinical research results show that HMGB1 antagonists have positive significance in the treatment of Parkinson's disease, stroke, traumatic brain injury, epilepsy, and other diseases. This review discusses the possible mechanisms by which HMGB1 mediates Parkinson's disease, stroke, traumatic brain injury, epilepsy, autism, depression, multiple sclerosis, amyotrophic lateral sclerosis, and the potential of HMGB1 as a biomarker for these diseases. Future research needs to further explore the underlying molecular mechanisms and clinical translation.
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Affiliation(s)
- Di Mao
- Department of Pediatrics, Jinan Central Hospital, Shandong University, Jinan, China
| | - Yuan Zheng
- Department of Pediatrics, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Fenfen Xu
- Department of Pediatrics, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Xiao Han
- Department of Pediatrics, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Hongyang Zhao
- Department of Pediatrics, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
- *Correspondence: Hongyang Zhao
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Luo L, Wang S, Chen B, Zhong M, Du R, Wei C, Huang F, Kou X, Xing Y, Tong G. Inhibition of inflammatory liver injury by the HMGB1-A box through HMGB1/TLR-4/NF-κB signaling in an acute liver failure mouse model. Front Pharmacol 2022; 13:990087. [PMID: 36313316 PMCID: PMC9614247 DOI: 10.3389/fphar.2022.990087] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 09/29/2022] [Indexed: 11/17/2022] Open
Abstract
We aimed to investigate the preventive effect of high mobility group box 1 (HMGB1)-A box and the mechanism by which it alleviates inflammatory injury in acute liver failure (ALF) by inhibiting the extracellular release of HMGB1. BALB/c mice were intraperitoneally (i.p.) administered LPS/D-GalN to establish an ALF mouse model. HMGB1-A box was administered (i.p.) 1 h before establishing the ALF mouse model. The levels of extracellularly released HMGB1, TLR-4/NF-κB signaling molecules, the proinflammatory cytokines TNF-α, IL-1β, and IL-6 and COX-2 were measured in the liver tissue and/or serum by Immunohistochemistry, Western blotting and Enzyme-linked immunosorbent assay (ELISA). The levels of extracellularly released HMGB1, TLR-4/NF-κB signaling molecules and proinflammatory cytokines were measured in Huh7 cells as well as LPS- and/or HMGB1-A box treatment by confocal microscopy, Western blotting and ELISA. In the ALF mouse model, the levels of HMGB1 were significantly increased both in the liver and serum, TLR-4/NF-κB signaling molecules and proinflammatory cytokines also was upregulated. Notably, HMGB1-A box could reverse these changes. HMGB1-A box could also cause these changes in LPS-induced Huh7 cells. HMGB1-A box played a protective role by inhibiting inflammatory liver injury via the regulation of HMGB1/TLR-4/NF-κB signaling in the LPS/D-GaIN-induced ALF mouse model, which may be related to inhibiting the extracellular release of HMGB1.
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Affiliation(s)
- Lidan Luo
- Department of Hepatology, The Fourth Clinical Medical College of Guangzhou University of Traditional Chinese Medicine, Shenzhen, China
- *Correspondence: Lidan Luo, ; Yufeng Xing, ; Guangdong Tong,
| | - Shuai Wang
- Department of Hepatology, The Fourth Clinical Medical College of Guangzhou University of Traditional Chinese Medicine, Shenzhen, China
| | - Bohao Chen
- Department of Hepatology, Shenzhen Traditional Chinese Medicine Hospital Affiliated to Nanjing University of Chinese Medicine, Shenzhen, China
| | - Mei Zhong
- Department of Hepatology, Shenzhen Traditional Chinese Medicine Hospital Affiliated to Nanjing University of Chinese Medicine, Shenzhen, China
| | - Ruili Du
- Department of Hepatology, Shenzhen Traditional Chinese Medicine Hospital Affiliated to Nanjing University of Chinese Medicine, Shenzhen, China
| | - ChunShan Wei
- Department of Hepatology, The Fourth Clinical Medical College of Guangzhou University of Traditional Chinese Medicine, Shenzhen, China
| | - Furong Huang
- Department of Hepatology, The Fourth Clinical Medical College of Guangzhou University of Traditional Chinese Medicine, Shenzhen, China
- Faculty of Chinese Medicine and State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macao, China
| | - Xinhui Kou
- Department of Hepatology, The Fourth Clinical Medical College of Guangzhou University of Traditional Chinese Medicine, Shenzhen, China
| | - Yufeng Xing
- Department of Hepatology, The Fourth Clinical Medical College of Guangzhou University of Traditional Chinese Medicine, Shenzhen, China
- *Correspondence: Lidan Luo, ; Yufeng Xing, ; Guangdong Tong,
| | - Guangdong Tong
- Department of Hepatology, The Fourth Clinical Medical College of Guangzhou University of Traditional Chinese Medicine, Shenzhen, China
- Faculty of Chinese Medicine and State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macao, China
- *Correspondence: Lidan Luo, ; Yufeng Xing, ; Guangdong Tong,
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Chen S, Sun Y, Li F, Zhang X, Hu X, Zhao X, Li Y, Li H, Zhang J, Liu W, Zheng GQ, Jin X. Modulation of α7nAchR by Melatonin Alleviates Ischemia and Reperfusion-Compromised Integrity of Blood-Brain Barrier Through Inhibiting HMGB1-Mediated Microglia Activation and CRTC1-Mediated Neuronal Loss. Cell Mol Neurobiol 2022; 42:2407-2422. [PMID: 34196879 DOI: 10.1007/s10571-021-01122-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 06/22/2021] [Indexed: 10/21/2022]
Abstract
The only food and drug administration (FDA)-approved drug currently available for the treatment of acute ischemic stroke is tissue plasminogen activator (tPA), yet the therapeutic benefits of this drug are partially outweighed by the increased risk of hemorrhagic transformation (HT). Analysis of the NIH trial has shown that cigarette smoking protected tPA-treated patients from HT; however, the underlying mechanism is not clear. Nicotinic acetylcholine receptors (nAChR) has shown anti-inflammatory effect and modulation nAChR could be a strategy to reduce ischemia/reperfusion-induced blood-brain barrier (BBB) damage. Since melatonin could regulate the expression of α7nAchR and melatonin's neuroprotective effect against ischemic injury is mediated via α7nAChR modulation, here, we aim to test the hypothesis that melatonin reduces ischemia and reperfusion (I/R)-induced BBB damage through modulation of α7nACh receptor (α7nAChR). Mice were subjected to 1.5 h ischemia and 24 h reperfusion and at the onset of reperfusion, mice received intraperitoneal administration (i.p.) of either drug or saline. Mice were randomly assigned into five groups: Saline; α7nAChR agonist PNU282987; Melatonin; Melatonin+Methyllycaconitine (MLA, α7nAChR antagonist), and MLA group. BBB permeability was assessed by detecting the extravasation of Evan's blue and IgG. Our results showed that I/R significantly increased BBB permeability accompanied by occludin degradation, microglia activation, and high mobility group box 1 (HMGB1) release from the neuron. In addition, I/R significantly induced neuronal loss accompanied by the decrease of CREB-regulated transcriptional coactivator 1 (CRTC1) and p-CREB expression. Melatonin treatment significantly inhibited the above changes through modulating α7nAChR. Taken together, these results demonstrate that melatonin provides a protective effect on ischemia/reperfusion-induced BBB damage, at least in part, depending on the modulation of α7nAChR.
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Affiliation(s)
- Shuang Chen
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Yanyun Sun
- Institute of Neuroscience, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, China
| | - Fei Li
- Hubei Key Laboratory of Wudang Local Chinese Medicine Research, School of Pharmaceutical Sciences, Hubei University of Medicine, Shiyan, 442000, China
| | - Xinyu Zhang
- Institute of Neuroscience, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, China
| | - Xiaoyan Hu
- Department of Anatomy, Histology and Embrology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, 100069, China
| | - Xiaoyun Zhao
- Department of Anatomy, Histology and Embrology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, 100069, China
| | - Yixuan Li
- Department of Anatomy, Histology and Embrology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, 100069, China
| | - Hui Li
- Department of Anatomy, Histology and Embrology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, 100069, China
| | - Jianliang Zhang
- Department of Neurobiology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100054, China
| | - Wenlan Liu
- The Central Laboratory, Shenzhen Second People's Hospital, Shenzhen University 1st Affiliated Hospital, Shenzhen University School of Medicine, Shenzhen, 518035, China
| | - Guo-Qing Zheng
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
| | - Xinchun Jin
- Institute of Neuroscience, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, China.
- Department of Anatomy, Histology and Embrology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, 100069, China.
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Zang D, Li W, Cheng F, Zhang X, Rao T, Yu W, Wei J, Song Y, Jiang W. Accuracy and sensitivity of high mobility group box 1 (HMGB1) in diagnosis of acute kidney injury caused by sepsis and relevance to prognosis. Clin Chim Acta 2022; 535:61-67. [PMID: 35985501 DOI: 10.1016/j.cca.2022.07.015] [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: 07/04/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 11/03/2022]
Abstract
OBJECTIVE The diagnostic value of high mobility group box 1 (HMGB1) levels in patients with acute kidney injury (AKI) caused by sepsis and its relationship with disease prognosis were investigated to improve patient survival. METHODS A total of 120 patients diagnosed with sepsis by comprehensive clinical examination were selected as the research subjects. According to the presence or absence of concurrent AKI, all patients were divided into SIAKI (50 cases with concurrent AKI) and N-AKI groups (70 cases without concurrent AKI). Sixty normal people receiving a physical examination in our hospital during the same period were divided into the control group. The diagnostic efficacy and the influences of HMGB1 on prognosis were assessed. RESULTS HMGB1 levels in the serum and urine of the control group (3.43 ± 0.73 pg/mL, 343.13 ± 51.03 pg/mL) were both lower than those of the SIAKI (14.76 ± 2.44 pg/mL, 1109.76 ± 225.66 pg/mL) and N-AKI groups (7.99 ± 1.84 pg/mL, 890.54 ± 97.76 pg/mL) (P < 0.05). HMGB1 in the serum of the SIAKI group was higher than that of the N-AKI group (P < 0.05). The sensitivity (88%), specificity (87%), accuracy (88%), and area under the curve (AUC) (0.891) of the joint diagnosis of HMGB1 in blood and urine were superior to the diagnostic effects of HMGB1 in serum (70%, 70%, 70%, and 0.701) and HMGB1 in urine (59%, 57%, 58%, and 0.677) (P < 0.05). The proportion of HMGB1 in the nonsurvivors was higher than that in the survivors (85%) and was obviously higher than that in the survivors (15%) (P < 0.05). CONCLUSION As a diagnostic marker of sepsis complicated with AKI, HMGB1 in serum and urine showed good application value. Serum HMGB1 could be used to assess disease prognosis with good clinical promotion.
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Affiliation(s)
- Dong Zang
- Department of Clinical Laboratory, Beijing Hospital of Integrated Traditional Chinese and Western Medicine, Beijing 100039, China
| | - Wen Li
- Department of Emergency, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Fan Cheng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, China.
| | - Xiaobin Zhang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Ting Rao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Weimin Yu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Jie Wei
- Department of Emergency, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Yangyiyan Song
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Wanli Jiang
- Department of Cerebral Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
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Wang D, Ousaka D, Qiao H, Wang Z, Zhao K, Gao S, Liu K, Teshigawara K, Takada K, Nishibori M. Treatment of Marmoset Intracerebral Hemorrhage with Humanized Anti-HMGB1 mAb. Cells 2022; 11:cells11192970. [PMID: 36230933 PMCID: PMC9563572 DOI: 10.3390/cells11192970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/09/2022] [Accepted: 09/15/2022] [Indexed: 11/16/2022] Open
Abstract
Intracerebral hemorrhage (ICH) is recognized as a severe clinical problem lacking effective treatment. High mobility group box-1 (HMGB1) exhibits inflammatory cytokine-like activity once released into the extracellular space from the nuclei. We previously demonstrated that intravenous injection of rat anti-HMGB1 monoclonal antibody (mAb) remarkably ameliorated brain injury in a rat ICH model. Therefore, we developed a humanized anti-HMGB1 mAb (OKY001) for clinical use. The present study examined whether and how the humanized anti-HMGB1 mAb ameliorates ICH injury in common marmosets. The results show that administration of humanized anti-HMGB1 mAb inhibited HMGB1 release from the brain into plasma, in association with a decrease of 4-hydroxynonenal (4-HNE) accumulation and a decrease in cerebral iron deposition. In addition, humanized anti-HMGB1 mAb treatment resulted in a reduction in brain injury volume at 12 d after ICH induction. Our in vitro experiment showed that recombinant HMGB1 inhibited hemoglobin uptake by macrophages through CD163 in the presence of haptoglobin, suggesting that the release of excess HMGB1 from the brain may induce a delay in hemoglobin scavenging, thereby allowing the toxic effects of hemoglobin, heme, and Fe2+ to persist. Finally, humanized anti-HMGB1 mAb reduced body weight loss and improved behavioral performance after ICH. Taken together, these results suggest that intravenous injection of humanized anti-HMGB1 mAb has potential as a novel therapeutic strategy for ICH.
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Affiliation(s)
- Dengli Wang
- Department of Pharmacology, Faculty of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, Okayama 7008558, Japan
| | - Daiki Ousaka
- Department of Pharmacology, Faculty of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, Okayama 7008558, Japan
| | - Handong Qiao
- Department of Pharmacology, Faculty of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, Okayama 7008558, Japan
| | - Ziyi Wang
- Research Fellow of Japan Society for the Promotion of Science, Tokyo 1020083, Japan
- Department of Molecular Biology and Biochemistry, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 7008558, Japan
| | - Kun Zhao
- Department of Molecular Biology and Biochemistry, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 7008558, Japan
| | - Shangze Gao
- School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
| | - Keyue Liu
- Department of Pharmacology, Faculty of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, Okayama 7008558, Japan
| | - Kiyoshi Teshigawara
- Department of Pharmacology, Faculty of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, Okayama 7008558, Japan
| | - Kenzo Takada
- Sapporo Laboratory, EVEC, Inc., Sapporo 0606642, Japan
| | - Masahiro Nishibori
- Department of Translational Research and Drug Development, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama 7008558, Japan
- Correspondence:
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Melatonin attenuates bone cancer pain via the SIRT1/HMGB1 pathway. Neuropharmacology 2022; 220:109254. [PMID: 36122662 DOI: 10.1016/j.neuropharm.2022.109254] [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: 05/12/2022] [Revised: 08/08/2022] [Accepted: 09/08/2022] [Indexed: 11/23/2022]
Abstract
Bone cancer pain (BCP), which seriously affects the quality of life of patients, remains a clinically challenging problem. Hence, there is an urgent need to investigate new mechanisms and develop new therapeutics to relieve BCP. In the present study, we investigated the analgesic effect of melatonin on BCP and the underlying mechanisms. Male C57BL/6 mice were used to establish BCP models. We found that the levels of sirtuin 1 (SIRT1) and nucleus-high mobility group box-1 (HMGB1) were decreased, whilst the levels of HMGB1, cytoplasm-HMGB1 and inflammatory cytokines (TNF-α, IL-6, IL-1β) were increased in the spinal cord of BCP mice on days 7, 14 and 21 after implantation compared with the levels in sham mice. Intrathecal administration of melatonin dose-dependently increased values of PWMT and TWL compared with the BCP group. However, intrathecal administration of EX527 (a selective SIRT1 antagonist) reversed the analgesic effect of melatonin. Moreover, mice in the melatonin group exhibited an increase in SIRT1 and nucleus-HMGB1, whilst there was a decrease in HMGB1, cytoplasm-HMGB1, rage, acetyl-HMGB1 and inflammatory cytokines compared with those in BCP mice. EX527 also reversed these changes. Furthermore, SIRT1 physically interacted with HMGB1 in the BCP mice. In conclusion, intrathecal administration of melatonin attenuates BCP through SIRT1-dependent inhibition of HMGB1 translocation and inflammatory cytokines. Melatonin may be a promising drug for the clinical treatment of BCP.
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Serna-Rodríguez MF, Bernal-Vega S, de la Barquera JAOS, Camacho-Morales A, Pérez-Maya AA. The role of damage associated molecular pattern molecules (DAMPs) and permeability of the blood-brain barrier in depression and neuroinflammation. J Neuroimmunol 2022; 371:577951. [PMID: 35994946 DOI: 10.1016/j.jneuroim.2022.577951] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 08/03/2022] [Accepted: 08/13/2022] [Indexed: 10/15/2022]
Abstract
Depression is a heterogeneous mental disorder characterized by feelings of sadness and loss of interest that render the subject unable to handle basic daily activities such as sleeping, eating, or working. Neurobiological traits leading to depression include genetic background, early life abuse, life stressors, and systemic and central inflammatory profiles. Several clinical and preclinical reports documented that depression shows an increase in pro-inflammatory markers such as interleukin (IL-)1β, IL-6, IL-12, tumor necrosis factor (TNF), and interferon (IFN)-γ; and a decrease in anti-inflammatory IL-4, IL-10, and transforming growth factor (TGF)-β species. Inflammatory activation may trigger and maintain depression. Dynamic crosstalk between the peripheral immune system and the central nervous system (CNS) such as activated endothelial cells, monocytes, monocyte-derived dendritic cells, macrophages, T cells, and microglia has been proposed as a leading cause of neuroinflammation. Notably, pro-inflammatory cytokines disrupt the hypothalamic-pituitary-adrenal (HPA) axis and serotonergic, noradrenergic, dopaminergic, and glutamatergic neurotransmission. While still under investigation, peripheral cytokines can engage brain pathways and affect the central synthesis of HPA hormones and neurotransmitters through several mechanisms such as activation of the vagus nerve, increasing the permeability of the blood-brain barrier (BBB), altered cytokines transport systems, and engaging toll-like receptors (TLRs) by pathogen-associated molecular patterns (PAMPs) or damage-associated molecular patterns (DAMPs). However, physiological mechanisms that favor time-dependent central inflammation before or during illness are not totally understood. This review will provide preclinical and clinical evidence of DAMPs and the BBB permeability as contributors to depression and neuroinflammation. We will also discuss pharmacologic approaches that could potentially modulate DAMPs and BBB permeability for future interventions against major depression.
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Affiliation(s)
- María Fernanda Serna-Rodríguez
- Universidad Autónoma de Nuevo León, Facultad de Medicina, Departamento de Bioquímica y Medicina Molecular. Monterrey CP. 64460, Nuevo Leon, Mexico
| | - Sofía Bernal-Vega
- Universidad Autónoma de Nuevo León, Facultad de Medicina, Departamento de Bioquímica y Medicina Molecular. Monterrey CP. 64460, Nuevo Leon, Mexico
| | | | - Alberto Camacho-Morales
- Universidad Autónoma de Nuevo León, Facultad de Medicina, Departamento de Bioquímica y Medicina Molecular. Monterrey CP. 64460, Nuevo Leon, Mexico.
| | - Antonio Alí Pérez-Maya
- Universidad Autónoma de Nuevo León, Facultad de Medicina, Departamento de Bioquímica y Medicina Molecular. Monterrey CP. 64460, Nuevo Leon, Mexico.
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Du Y, Xu CL, Yu J, Liu K, Lin SD, Hu TT, Qu FH, Guo F, Lou GD, Nishibori M, Hu WW, Chen Z, Zhang SH. HMGB1 in the mPFC governs comorbid anxiety in neuropathic pain. J Headache Pain 2022; 23:102. [PMID: 35974316 PMCID: PMC9382735 DOI: 10.1186/s10194-022-01475-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/09/2022] [Indexed: 12/20/2022] Open
Abstract
Background Whether neuroinflammation causes comorbid mood disorders in neuropathic pain remains elusive. Here we investigated the role of high mobility group box 1 protein (HMGB1), a proinflammatory cytokine, in the medial prefrontal cortex (mPFC) in anxiety comorbidity of neuropathic pain. Methods Neuropathic pain was induced by partial transection of the infraorbital nerve (p-IONX) or partial sciatic nerve ligation (PSL) in mice and evaluated by measuring nociceptive thresholds to mechanical and heat stimulation. Anxiety-like behaviors were assessed by elevated plus maze, light dark box and open field tests. Aversive or anti-aversive effect was detected by conditioned place preference test. Neuronal activity was evaluated by single-unit and patch clamp recordings. The contribution of mPFC pyramidal neurons to anxiety was further examined by selectively inhibiting them by optogenetics. HMGB1 expression was measured by immunohistochemistry and western blotting. Antagonism of HMGB1 was achieved by injecting anti-HMGB1 monoclonal antibody (mAb) intracerebrally or intraperitoneally. Results Anxiety-like behaviors were presented earlier after p-IONX than after PSL. HMGB1 expression was upregulated in the mPFC temporally in parallel to anxiety onset, rather than in other regions associated with anxiety. The upregulation of HMGB1 expression and its translocation from the nucleus to cytoplasm in the mPFC occurred predominantly in neurons and were accompanied with activation of microglia and astrocytes. Infusion of anti-HMGB1 mAb into the mPFC during the early and late phases after either p-IONX or PSL alleviated anxiety-like behaviors and aversion without changing pain sensitization, while local infusion of exogenous ds-HMGB1, the proinflammatory form of HMGB1, into the mPFC induced anxiety and aversion but not pain sensitization in naïve mice. In addition to reversing established pain sensitization and anxiety simultaneously, intraperitoneal injection of anti-HMGB1 mAb reduced HMGB1 upregulation and suppressed the hyperexcitability of layer 2/3 pyramidal neurons in the mPFC after p-IONX. Moreover, optogenetic inhibition of mPFC pyramidal neurons alleviated anxiety in p-IONX mice. Conclusion These results demonstrate that HMGB1 in the mPFC drives and maintains anxiety comorbidity in neuropathic pain by increasing the excitability of layer 2/3 pyramidal neurons, and justify antagonism of HMGB1, e.g., neutralization by mAb, as a promising therapeutic strategy for neuropathic pain with anxiety comorbidity. Supplementary Information The online version contains supplementary material available at 10.1186/s10194-022-01475-z.
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Affiliation(s)
- Yu Du
- Department of Pharmacology and Department of Anesthesiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China.,Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Ceng-Lin Xu
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Jie Yu
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Keyue Liu
- Department of Pharmacology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, Okayama, 700-8558, Japan
| | - Shi-Da Lin
- Department of Pharmacology and Department of Anesthesiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Ting-Ting Hu
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Feng-Hui Qu
- Department of Pharmacology and Department of Anesthesiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Fang Guo
- Department of Pharmacology and Department of Anesthesiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China
| | - Guo-Dong Lou
- Department of Pharmacy, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, 310016, China
| | - Masahiro Nishibori
- Department of Pharmacology, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, Okayama, 700-8558, Japan
| | - Wei-Wei Hu
- Department of Pharmacology and Department of Anesthesiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China.
| | - Zhong Chen
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China.
| | - Shi-Hong Zhang
- Department of Pharmacology and Department of Anesthesiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058, China.
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Andersson U, Yang H. HMGB1 is a critical molecule in the pathogenesis of Gram-negative sepsis. JOURNAL OF INTENSIVE MEDICINE 2022; 2:156-166. [PMID: 36789020 PMCID: PMC9924014 DOI: 10.1016/j.jointm.2022.02.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/19/2022] [Accepted: 02/06/2022] [Indexed: 04/12/2023]
Abstract
Gram-negative sepsis is a severe clinical syndrome associated with significant morbidity and mortality. Lipopolysaccharide (LPS), expressed on Gram-negative bacteria, is a potent pro-inflammatory toxin that induces inflammation and coagulation via two separate receptor systems. One is Toll-like receptor 4 (TLR4), expressed on cell surfaces and in endosomes, and the other is the cytosolic receptor caspase-11 (caspases-4 and -5 in humans). Extracellular LPS binds to high mobility group box 1 (HMGB1) protein, a cytokine-like molecule. The HMGB1-LPS complex is transported via receptor for advanced glycated end products (RAGE)-endocytosis to the endolysosomal system to reach the cytosolic LPS receptor caspase-11 to induce HMGB1 release, inflammation, and coagulation that may cause multi-organ failure. The insight that LPS needs HMGB1 assistance to generate severe inflammation has led to successful therapeutic results in preclinical Gram-negative sepsis studies targeting HMGB1. However, to date, no clinical studies have been performed based on this strategy. HMGB1 is also actively released by peripheral sensory nerves and this mechanism is fundamental for the initiation and propagation of inflammation during tissue injury. Homeostasis is achieved when other neurons actively restrict the inflammatory response via monitoring by the central nervous system and the vagus nerve through the cholinergic anti-inflammatory pathway. The neuronal control in Gram-negative sepsis needs further studies since a deeper understanding of the interplay between HMGB1 and acetylcholine may have beneficial therapeutic implications. Herein, we review the synergistic overlapping mechanisms of LPS and HMGB1 and discuss future treatment opportunities in Gram-negative sepsis.
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Affiliation(s)
- Ulf Andersson
- Department of Women's and Children's Health, Karolinska Institute at Karolinska University Hospital, Stockholm 17176, Sweden
- Corresponding author: Ulf Andersson, Department of Women's and Children's Health, Karolinska Institute at Karolinska University Hospital, Stockholm 17176, Sweden.
| | - Huan Yang
- Institute for Bioelectronic Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY 11030, United States of America
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Taggi V, Riera Romo M, Piquette-Miller M, Meyer zu Schwabedissen HE, Neuhoff S. Transporter Regulation in Critical Protective Barriers: Focus on Brain and Placenta. Pharmaceutics 2022; 14:pharmaceutics14071376. [PMID: 35890272 PMCID: PMC9319476 DOI: 10.3390/pharmaceutics14071376] [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: 05/18/2022] [Revised: 06/14/2022] [Accepted: 06/24/2022] [Indexed: 01/06/2023] Open
Abstract
Drug transporters play an important role in the maintenance of chemical balance and homeostasis in different tissues. In addition to their physiological functions, they are crucial for the absorption, distribution, and elimination of many clinically important drugs, thereby impacting therapeutic efficacy and toxicity. Increasing evidence has demonstrated that infectious, metabolic, inflammatory, and neurodegenerative diseases alter the expression and function of drug transporters. However, the current knowledge on transporter regulation in critical protective barriers, such as the brain and placenta, is still limited and requires more research. For instance, while many studies have examined P-glycoprotein, it is evident that research on the regulation of highly expressed transporters in the blood–brain barrier and blood–placental barrier are lacking. The aim of this review is to summarize the currently available literature in order to better understand transporter regulation in these critical barriers.
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Affiliation(s)
- Valerio Taggi
- Biopharmacy, Department of Pharmaceutical Sciences, University of Basel, 4056 Basel, Switzerland; (V.T.); (H.E.M.z.S.)
| | - Mario Riera Romo
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON M5S 3M2, Canada; (M.R.R.); (M.P.-M.)
| | - Micheline Piquette-Miller
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON M5S 3M2, Canada; (M.R.R.); (M.P.-M.)
| | | | - Sibylle Neuhoff
- Certara UK Ltd., Simcyp Division, Sheffield S1 2BJ, UK
- Correspondence:
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Alarcan H, Al Ojaimi Y, Lanznaster D, Escoffre JM, Corcia P, Vourc'h P, Andres CR, Veyrat-Durebex C, Blasco H. Taking Advantages of Blood–Brain or Spinal Cord Barrier Alterations or Restoring Them to Optimize Therapy in ALS? J Pers Med 2022; 12:jpm12071071. [PMID: 35887567 PMCID: PMC9319288 DOI: 10.3390/jpm12071071] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/23/2022] [Accepted: 06/27/2022] [Indexed: 11/21/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a devastating neurodegenerative disorder that still lacks an efficient therapy. The barriers between the central nervous system (CNS) and the blood represent a major limiting factor to the development of drugs for CNS diseases, including ALS. Alterations of the blood–brain barrier (BBB) or blood–spinal cord barrier (BSCB) have been reported in this disease but still require further investigations. Interestingly, these alterations might be involved in the complex etiology and pathogenesis of ALS. Moreover, they can have potential consequences on the diffusion of candidate drugs across the brain. The development of techniques to bypass these barriers is continuously evolving and might open the door for personalized medical approaches. Therefore, identifying robust and non-invasive markers of BBB and BSCB alterations can help distinguish different subgroups of patients, such as those in whom barrier disruption can negatively affect the delivery of drugs to their CNS targets. The restoration of CNS barriers using innovative therapies could consequently present the advantage of both alleviating the disease progression and optimizing the safety and efficiency of ALS-specific therapies.
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Affiliation(s)
- Hugo Alarcan
- Laboratoire de Biochimie et Biologie Moleculaire, CHRU Bretonneau, 2 Boulevard Tonnellé, 37000 Tours, France
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Yara Al Ojaimi
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Debora Lanznaster
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Jean-Michel Escoffre
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Philippe Corcia
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
- Service de Neurologie, CHRU Bretonneau, 2 Boulevard Tonnellé, 37000 Tours, France
| | - Patrick Vourc'h
- Laboratoire de Biochimie et Biologie Moleculaire, CHRU Bretonneau, 2 Boulevard Tonnellé, 37000 Tours, France
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Christian R Andres
- Laboratoire de Biochimie et Biologie Moleculaire, CHRU Bretonneau, 2 Boulevard Tonnellé, 37000 Tours, France
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Charlotte Veyrat-Durebex
- Laboratoire de Biochimie et Biologie Moleculaire, CHRU Bretonneau, 2 Boulevard Tonnellé, 37000 Tours, France
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
| | - Hélène Blasco
- Laboratoire de Biochimie et Biologie Moleculaire, CHRU Bretonneau, 2 Boulevard Tonnellé, 37000 Tours, France
- UMR 1253 iBrain, Université de Tours, Inserm, 10 Boulevard Tonnellé, 37000 Tours, France
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Li T, Liesz A. Immunity in Stroke: The Next Frontier. Thromb Haemost 2022; 122:1454-1460. [PMID: 35688450 DOI: 10.1055/s-0042-1748890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Translational stroke research has long been focusing on neuroprotective strategies to prevent secondary tissue injury and promote recovery after acute ischemic brain injury. The inflammatory response to stroke has more recently emerged as a key pathophysiological pathway contributing to stroke outcome. It is now accepted that the inflammatory response is functionally involved in all phases of the ischemic stroke pathophysiology. The immune response is therefore considered a breakthrough target for ischemic stroke treatment. On one side, stroke induces a local neuroinflammatory response, in which the inflammatory activation of glial, endothelial and brain-invading cells contributes to lesion progression after stroke. On the other side, ischemic brain injury perturbs systemic immune homeostasis and results in long-lasting changes of systemic immunity. Here, we briefly summarize current concepts in local neuroinflammation and the systemic immune responses after stroke, and highlight two promising therapeutic strategies for poststroke inflammation.
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Affiliation(s)
- Ting Li
- Institute for Stroke and Dementia Research, University Hospital, LMU Munich, Munich, Germany.,Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Arthur Liesz
- Institute for Stroke and Dementia Research, University Hospital, LMU Munich, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
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Jeong JH, Lee DH, Song J. HMGB1 signaling pathway in diabetes-related dementia: Blood-brain barrier breakdown, brain insulin resistance, and Aβ accumulation. Biomed Pharmacother 2022; 150:112933. [PMID: 35413600 DOI: 10.1016/j.biopha.2022.112933] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/05/2022] [Accepted: 04/06/2022] [Indexed: 11/28/2022] Open
Abstract
Diabetes contributes to the onset of various diseases, including cancer and cardiovascular and neurodegenerative diseases. Recent studies have highlighted the similarities and relationship between diabetes and dementia as an important issue for treating diabetes-related cognitive deficits. Diabetes-related dementia exhibits several features, including blood-brain barrier disruption, brain insulin resistance, and Aβ over-accumulation. High-mobility group box1 (HMGB1) is a protein known to regulate gene transcription and cellular mechanisms by binding to DNA or chromatin via receptor for advanced glycation end-products (RAGE) and toll-like receptor 4 (TLR4). Recent studies have demonstrated that the interplay between HMGB1, RAGE, and TLR4 can impact both neuropathology and diabetic alterations. Herein, we review the recent research regarding the roles of HMGB1-RAGE-TLR4 axis in diabetes-related dementia from several perspectives and emphasize the importance of the influence of HMGB1 in diabetes-related dementia.
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Affiliation(s)
- Jae-Ho Jeong
- Department of Microbiology, Chonnam National University Medical School, Hwasun 58128, Jeollanam-do, Republic of Korea.
| | - Dong Hoon Lee
- Department of Otolaryngology-Head and Neck Surgery, Chonnam National University Medical School, and Chonnam National University Hwasun Hospital, Hwasun 58128, Jeollanam-do, Republic of Korea.
| | - Juhyun Song
- Department of Anatomy, Chonnam National University Medical School, Hwasun 58128, Jeollanam-do, Republic of Korea.
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Co-Ultramicronized Palmitoylethanolamide/Luteolin Restores Oligodendrocyte Homeostasis via Peroxisome Proliferator-Activated Receptor-α in an In Vitro Model of Alzheimer’s Disease. Biomedicines 2022; 10:biomedicines10061236. [PMID: 35740258 PMCID: PMC9219769 DOI: 10.3390/biomedicines10061236] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 12/22/2022] Open
Abstract
Oligodendrocytes are cells fundamental for brain functions as they form the myelin sheath and feed axons. They perform these critical functions thanks to the cooperation with other glial cells, mainly astrocytes. The astrocyte/oligodendrocyte crosstalk needs numerous mediators and receptors, such as peroxisome proliferator-activated receptors (PPARs). PPAR agonists promote oligodendrocyte precursor cells (OPCs) maturation in myelinating oligodendrocytes. In the Alzheimer’s disease brain, deposition of beta-amyloid (Aβ) has been linked to several alterations, including astrogliosis and changes in OPCs maturation. However, very little is known about the molecular mechanisms. Here, we investigated for the first time the maturation of OPCs co-cultured with astrocytes in an in vitro model of Aβ1–42 toxicity. We also tested the potential beneficial effect of the anti-inflammatory and neuroprotective composite palmitoylethanolamide and luteolin (co-ultra PEALut), which is known to engage the isoform alfa of the PPARs. Our results show that Aβ1–42 triggers astrocyte reactivity and inflammation and reduces the levels of growth factors important for OPCs maturation. Oligodendrocytes indeed show low cell surface area and few arborizations. Co-ultra PEALut counteracts the Aβ1–42-induced inflammation and astrocyte reactivity preserving the morphology of co-cultured oligodendrocytes through a mechanism that in some cases involves PPAR-α. This is the first evidence of the negative effects exerted by Aβ1–42 on astrocyte/oligodendrocyte crosstalk and discloses a never-explored co-ultra PEALut ability in restoring oligodendrocyte homeostasis.
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Zhao Y, Gan L, Ren L, Lin Y, Ma C, Lin X. Factors influencing the blood-brain barrier permeability. Brain Res 2022; 1788:147937. [PMID: 35568085 DOI: 10.1016/j.brainres.2022.147937] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 04/28/2022] [Accepted: 05/03/2022] [Indexed: 12/14/2022]
Abstract
The blood-brain barrier (BBB) is a dynamic structure that protects the brain from harmful blood-borne, endogenous and exogenous substances and maintains the homeostatic microenvironment. All constituent cell types play indispensable roles in the BBB's integrity, and other structural BBB components, such as tight junction proteins, adherens junctions, and junctional proteins, can control the barrier permeability. Regarding the need to exchange nutrients and toxic materials, solute carriers, ATP-binding case families, and ion transporter, as well as transcytosis regulate the influx and efflux transport, while the difference in localisation and expression can contribute to functional differences in transport properties. Numerous chemical mediators and other factors such as non-physicochemical factors have been identified to alter BBB permeability by mediating the structural components and barrier function, because of the close relationship with inflammation. In this review, we highlight recently gained mechanistic insights into the maintenance and disruption of the BBB. A better understanding of the factors influencing BBB permeability could contribute to supporting promising potential therapeutic targets for protecting the BBB and the delivery of central nervous system drugs via BBB permeability interventions under pathological conditions.
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Affiliation(s)
- Yibin Zhao
- The Third Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China; Department of Neurobiology and Acupuncture Research, Zhejiang Chinese Medical University, Hangzhou, China
| | - Lin Gan
- The Third Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China; Department of Neurobiology and Acupuncture Research, Zhejiang Chinese Medical University, Hangzhou, China
| | - Li Ren
- The Third Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China; Department of Neurobiology and Acupuncture Research, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yubo Lin
- The Third Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China; Department of Neurobiology and Acupuncture Research, Zhejiang Chinese Medical University, Hangzhou, China
| | - Congcong Ma
- The Third Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China; Department of Neurobiology and Acupuncture Research, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xianming Lin
- The Third Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China; Department of Neurobiology and Acupuncture Research, Zhejiang Chinese Medical University, Hangzhou, China.
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45
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Karamian BA, Levy HA, Boere P, Yalla GR, Canseco JA, Chang M, Divi SN, Fang T, Millhouse PW, Lendner M, Hilibrand AS, Vaccaro AR, Kepler CK, Markova DZ, Schroeder GD. Do Inflammatory Cytokines Affect Patient Outcomes After ACDF? Clin Spine Surg 2022; 35:137-143. [PMID: 35351842 DOI: 10.1097/bsd.0000000000001318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 03/01/2022] [Indexed: 11/26/2022]
Abstract
STUDY DESIGN Prospective cohort study. OBJECTIVE The aim was to determine the relationship between serum inflammatory mediators, preoperative cervical spine disease severity, and clinical outcomes after anterior cervical discectomy and fusion (ACDF). SUMMARY OF BACKGROUND DATA Given the role of the inflammatory cascade in spinal degenerative disease, it has been hypothesized that inflammatory markers may serve as a predictor of patient outcomes after surgery. MATERIALS AND METHODS All patients over age 18 who underwent ACDF for cervical spondylosis with associated radiculopathy and/or myelopathy between 2015 and 2017 from a single institution were prospectively recruited. Preoperative serum inflammatory markers including interleukin (IL)-6, IL-8, tumor necrosis factor-α, high-mobility group box-1 (HMGB1), and white blood cells were measured and correlated to patient demographics, surgical characteristics, duration of symptoms, previous opioid use, and preoperative and 1-year postoperative patient-reported outcomes measures (PROMs) including the neck disability index (NDI), visual analog scale neck pain, visual analog scale arm pain, and Physical and Mental Component Scores of the Short Form-12 (PCS and MCS, respectively) using spearman's rho coefficient. RESULTS A total of 77 patients were enrolled with follow-up PROMs available for 62% (n=48) of patients at a minimum of 1-year after ACDF. The absolute concentrations of IL-6 and tumor necrosis factor-α were found to be weakly correlated with one another (ρ=0.479). Preoperative symptoms lasting <1-year were weakly correlated with elevation in HMGB1 (ρ=0.421). All other patient demographics exhibited negligible correlation with the preoperative inflammatory markers. Lower preoperative PCS (ρ=0.355) and higher preoperative NDI (ρ=0.336) were weakly correlated with elevated HMGB1. Lower MCS (ρ=0.395) and higher NDI (ρ=0.317) preoperatively were weakly correlated with elevated white blood cells. Postoperative improvement in MCS (ρ=0.306) and MCS recovery ratio (ρ=0.321) exhibited a weakly positive correlation with IL-6. CONCLUSION Preoperative cytokine levels demonstrated minimal correlation with preoperative symptoms or clinical improvement, suggesting that profiling of patient cytokines has limited utility in predicting outcomes after ACDF. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Brian A Karamian
- Department of Orthopaedic Surgery, Rothman Institute
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Hannah A Levy
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Payton Boere
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Goutham R Yalla
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Jose A Canseco
- Department of Orthopaedic Surgery, Rothman Institute
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Michael Chang
- Department of Orthopaedic Surgery, Rothman Institute
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Srikanth N Divi
- Department of Orthopaedic Surgery, Rothman Institute
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Taolin Fang
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Paul W Millhouse
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Mayan Lendner
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Alan S Hilibrand
- Department of Orthopaedic Surgery, Rothman Institute
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Alexander R Vaccaro
- Department of Orthopaedic Surgery, Rothman Institute
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Christopher K Kepler
- Department of Orthopaedic Surgery, Rothman Institute
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Dessislava Z Markova
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
| | - Gregory D Schroeder
- Department of Orthopaedic Surgery, Rothman Institute
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA
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Rouillard ME, Hu J, Sutter PA, Kim HW, Huang JK, Crocker SJ. The Cellular Senescence Factor Extracellular HMGB1 Directly Inhibits Oligodendrocyte Progenitor Cell Differentiation and Impairs CNS Remyelination. Front Cell Neurosci 2022; 16:833186. [PMID: 35573828 PMCID: PMC9095917 DOI: 10.3389/fncel.2022.833186] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 03/23/2022] [Indexed: 12/27/2022] Open
Abstract
HMGB1 is a highly conserved, ubiquitous protein in eukaryotic cells. HMGB1 is normally localized to the nucleus, where it acts as a chromatin associated non-histone binding protein. In contrast, extracellular HMGB1 is an alarmin released by stressed cells to act as a danger associated molecular pattern (DAMP). We have recently determined that progenitor cells from multiple sclerosis patients exhibit a cellular senescent phenotype and release extracellular HMGB1 which directly impaired the maturation of oligodendrocyte progenitor cells (OPCs) to myelinating oligodendrocytes (OLs). Herein, we report that administration of recombinant HMGB1 into the spinal cord at the time of lysolecithin administration resulted in arrest of OPC differentiation in vivo, and a profound impairment of remyelination. To define the receptor by which extracellular HMGB1 mediates its inhibitory influence on OPCs to impair OL differentiation, we tested selective inhibitors against the four primary receptors known to mediate the effects of HMGB1, the toll-like receptors (TLRs)-2, -4, -9 or the receptor for advanced glycation end-products (RAGE). We found that inhibition of neither TLR9 nor RAGE increased OL differentiation in the presence of HMGB1, while inhibition of TLR4 resulted in partial restoration of OL differentiation and inhibiting TLR2 fully restored differentiation of OLs in the presence of HMGB1. Analysis of transcriptomic data (RNAseq) from OPCs identified an overrepresentation of NFκB regulated genes in OPCs when in the presence of HMGB1. We found that application of HMGB1 to OPCs in culture resulted in a rapid and concentration dependent shift in NFκB nuclear translocation which was also attenuated with coincident TLR2 inhibition. These data provide new information on how extracellular HMGB1 directly affects the differentiation potential of OPCs. Recent and past evidence for elevated HMGB1 released from senescent progenitor cells within demyelinated lesions in the MS brain suggests that a greater understanding of how this molecule acts on OPCs may unfetter the endogenous remyelination potential in MS.
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Affiliation(s)
- Megan E. Rouillard
- Department of Neuroscience, University of Connecticut School of Medicine, Farmington, CT, United States
| | - Jingwen Hu
- Department of Biology and Center for Cell Reprogramming, Georgetown University, Washington, DC, United States
| | - Pearl A. Sutter
- Department of Neuroscience, University of Connecticut School of Medicine, Farmington, CT, United States
| | - Hee Won Kim
- Department of Biology and Center for Cell Reprogramming, Georgetown University, Washington, DC, United States
| | - Jeffrey K. Huang
- Department of Biology and Center for Cell Reprogramming, Georgetown University, Washington, DC, United States
| | - Stephen J. Crocker
- Department of Neuroscience, University of Connecticut School of Medicine, Farmington, CT, United States
- *Correspondence: Stephen J. Crocker
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High Mobility Group Box 1: Biological Functions and Relevance in Oxidative Stress Related Chronic Diseases. Cells 2022; 11:cells11050849. [PMID: 35269471 PMCID: PMC8909428 DOI: 10.3390/cells11050849] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 02/03/2022] [Accepted: 02/26/2022] [Indexed: 01/27/2023] Open
Abstract
In the early 1970s, a group of non-histone nuclear proteins with high electrophoretic mobility was discovered and named high-mobility group (HMG) proteins. High-mobility group box 1 (HMGB1) is the most studied HMG protein that detects and coordinates cellular stress response. The biological function of HMGB1 depends on its subcellular localization and expression. It plays a critical role in the nucleus and cytoplasm as DNA chaperone, chromosome gatekeeper, autophagy maintainer, and protector from apoptotic cell death. HMGB1 also functions as an extracellular alarmin acting as a damage-associated molecular pattern molecule (DAMP). Recent findings describe HMGB1 as a sophisticated signal of danger, with a pleiotropic function, which is useful as a clinical biomarker for several disorders. HMGB1 has emerged as a mediator in acute and chronic inflammation. Furthermore, HMGB1 targeting can induce beneficial effects on oxidative stress related diseases. This review focus on HMGB1 redox status, localization, mechanisms of release, binding with receptors, and its activities in different oxidative stress-related chronic diseases. Since a growing number of reports show the key role of HMGB1 in socially relevant pathological conditions, to our knowledge, for the first time, here we analyze the scientific literature, evaluating the number of publications focusing on HMGB1 in humans and animal models, per year, from 2006 to 2021 and the number of records published, yearly, per disease and category (studies on humans and animal models).
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Abstract
In 2001, the concept of the neurovascular unit was introduced at the Stroke Progress Review Group meeting. The neurovascular unit is an important element of the health and disease status of blood vessels and nerves in the central nervous system. Since then, the neurovascular unit has attracted increasing interest from research teams, who have contributed greatly to the prevention, treatment, and prognosis of stroke and neurodegenerative diseases. However, additional research is needed to establish an efficient, low-cost, and low-energy in vitro model of the neurovascular unit, as well as enable noninvasive observation of neurovascular units in vivo and in vitro. In this review, we first summarize the composition of neurovascular units, then investigate the efficacy of different types of stem cells and cell culture methods in the construction of neurovascular unit models, and finally assess the progress of imaging methods used to observe neurovascular units in recent years and their positive role in the monitoring and investigation of the mechanisms of a variety of central nervous system diseases.
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Affiliation(s)
- Taiwei Dong
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, China
| | - Min Li
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, China
| | - Feng Gao
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, China
| | - Peifeng Wei
- College of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi Province, China
| | - Jian Wang
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan Provinve, China
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HMGB1 Inhibition to Ameliorate Organ Failure and Increase Survival in Trauma. Biomolecules 2022; 12:biom12010101. [PMID: 35053249 PMCID: PMC8773879 DOI: 10.3390/biom12010101] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/03/2022] [Accepted: 01/06/2022] [Indexed: 12/15/2022] Open
Abstract
Several preclinical and clinical reports have demonstrated that levels of circulating high mobility group box 1 protein (HMGB1) are increased early after trauma and are associated with systemic inflammation and clinical outcomes. However, the mechanisms of the interaction between HMGB1 and inflammatory mediators that lead to the development of remote organ damage after trauma remain obscure. HMGB1 and inflammatory mediators were analyzed in plasma from 54 combat casualties, collected on admission to a military hospital in Iraq, and at 8 and 24 h after admission. In total, 45 (83%) of these patients had traumatic brain injury (TBI). Nine healthy volunteers were enrolled as controls. HMGB1 plasma levels were significantly increased in the first 8 h after admission, and were found to be associated with systemic inflammatory responses, injury severity score, and presence of TBI. These data provided the rationale for designing experiments in rats subjected to blast injury and hemorrhage, to explore the effect of HMGB1 inhibition by CX-01 (2-O, 3-O desulfated heparin). Animals were cannulated, then recovered for 5–7 days before blast injury in a shock tube and volume-controlled hemorrhage. Blast injury and hemorrhage induced an early increase in HMGB1 plasma levels along with severe tissue damage and high mortality. CX-01 inhibited systemic HMGB1 activity, decreased local and systemic inflammatory responses, significantly reduced tissue and organ damage, and tended to increase survival. These data suggest that CX-01 has potential as an adjuvant treatment for traumatic hemorrhage.
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The Role of HMGB1 in Traumatic Brain Injury-Bridging the Gap Between the Laboratory and Clinical Studies. Curr Neurol Neurosci Rep 2021; 21:75. [PMID: 34870759 DOI: 10.1007/s11910-021-01158-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/18/2021] [Indexed: 12/30/2022]
Abstract
PURPOSE OF REVIEW Traumatic brain injury (TBI) is amongst the leading causes of mortality and morbidity worldwide. However, several pharmacological strategies in the clinical setting remain unsuccessful. Mounting evidence implicates High Mobility Group Box protein 1 (HMGB1) as a unique alternative target following brain injury. Herein, we discuss current understanding of HMGB1 in TBI and obstacles to clinical translation. RECENT FINDINGS HMGB1 plays a pivotal role as a 'master-switch' of neuro-inflammation following injury and in the regulation of neurogenesis during normal development. Animal models point towards the involvement of HMGB1 signalling in prolonged activation of glial cells and widespread neuronal death. Early experimental studies demonstrate positive effects of HMGB1 antagonism on both immunohistochemical and neuro-behavioural parameters following injury. Raised serum/CSF HMGB1 in humans is associated with poor outcomes post-TBI. HMGB1 is a promising therapeutic target post-TBI. However, further studies elucidating receptor, cell, isoform, and temporal effects are required prior to clinical translation.
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