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Jia J, Zhou L, Wang N, Zheng Q. Causal relationship between gut microbiota and intracranial hemorrhage: A two-sample Mendelian randomization study. Medicine (Baltimore) 2024; 103:e38275. [PMID: 38788039 PMCID: PMC11124667 DOI: 10.1097/md.0000000000038275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 04/26/2024] [Indexed: 05/26/2024] Open
Abstract
Patients with intracranial hemorrhage (ICH) usually have an imbalance in the gut microbiota (GM); however, whether this is a causal correlation remains unclear. This study used summary data from an open genome-wide association study to conduct double-sample Mendelian randomization (MR) to test the causal correlation between GM and ICH. First, we used a cutoff value of P < 10E-5 to select single nucleotide polymorphisms critical for each GM. Inverse variance weighted, weighted median, and MR-PRESSO methods were used to evaluate the strength of this causal association. Finally, functional maps and annotations from genome-wide association studies were used to determine the biological functions of the genes. MR analysis revealed that Rikenellaceae RC9 gut group was significantly positively correlated with ICH risk. For every unit increase in Rikenellaceae RC9 gut group, the relative risk of ICH increased by 34.4%(P = 4.62E-04). Rhodospirillales, Terrisporobacter, Veillonellaceae, Coprococcus 3, unknown genus, Alphaproteobacteria, and Allisonella groups were negatively correlated with the risk of ICH, while Anaerofilum, Eubacteriumbrachy group, Clostridia, Howardella, and Romboutsia were negatively correlated with the risk of ICH. Nonetheless, the specific role of single nucleotide polymorphisms gene enrichment requires further investigation. This study suggests the causal effect on ICH. The discovery of >10 GMs associated with ICH could be used to prevent and treat ICH.
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Affiliation(s)
- Jiameng Jia
- Rehabilitation Medicine Department, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Lin Zhou
- Ultrasound Medicine Department, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Nan Wang
- Ultrasound Medicine Department, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Qiang Zheng
- Emergency Department, The First Hospital of Jilin University, Changchun, China
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Nicoliche T, Bartolomeo CS, Lemes RMR, Pereira GC, Nunes TA, Oliveira RB, Nicastro ALM, Soares ÉN, da Cunha Lima BF, Rodrigues BM, Maricato JT, Okuda LH, de Sairre MI, Prado CM, Ureshino RP, Stilhano RS. Antiviral, anti-inflammatory and antioxidant effects of curcumin and curcuminoids in SH-SY5Y cells infected by SARS-CoV-2. Sci Rep 2024; 14:10696. [PMID: 38730068 PMCID: PMC11087556 DOI: 10.1038/s41598-024-61662-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 05/08/2024] [Indexed: 05/12/2024] Open
Abstract
COVID-19, caused by SARS-CoV-2, affects neuronal cells, causing several symptoms such as memory loss, anosmia and brain inflammation. Curcuminoids (Me08 e Me23) and curcumin (CUR) are derived from Curcuma Longa extract (EXT). Many therapeutic actions have been linked to these compounds, including antiviral action. Given the severe implications of COVID-19, especially within the central nervous system, our study aims to shed light on the therapeutic potential of curcuminoids against SARS-CoV-2 infection, particularly in neuronal cells. Here, we investigated the effects of CUR, EXT, Me08 and Me23 in human neuroblastoma SH-SY5Y. We observed that Me23 significantly decreased the expression of plasma membrane-associated transmembrane protease serine 2 (TMPRSS2) and TMPRSS11D, consequently mitigating the elevated ROS levels induced by SARS-CoV-2. Furthermore, Me23 exhibited antioxidative properties by increasing NRF2 gene expression and restoring NQO1 activity following SARS-CoV-2 infection. Both Me08 and Me23 effectively reduced SARS-CoV-2 replication in SH-SY5Y cells overexpressing ACE2 (SH-ACE2). Additionally, all of these compounds demonstrated the ability to decrease proinflammatory cytokines such as IL-6, TNF-α, and IL-17, while Me08 specifically reduced INF-γ levels. Our findings suggest that curcuminoid Me23 could serve as a potential agent for mitigating the impact of COVID-19, particularly within the context of central nervous system involvement.
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Affiliation(s)
- Tiago Nicoliche
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences (FCMSCSP), 61 Dr. Cesário Mota Junior Street, São Paulo, SP, 01221-020, Brazil
| | - Cynthia Silva Bartolomeo
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences (FCMSCSP), 61 Dr. Cesário Mota Junior Street, São Paulo, SP, 01221-020, Brazil
| | - Robertha Mariana Rodrigues Lemes
- Department of Biological Sciences, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
- Post-Graduation Program in Chemistry-Biology, Federal University of São Paulo (UNIFESP), Diadema, Brazil
| | - Gabriela Cruz Pereira
- Department of Biochemistry, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Tamires Alves Nunes
- Department of Bioscience, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Rafaela Brito Oliveira
- Department of Biological Sciences, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Arthur Luiz Miranda Nicastro
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences (FCMSCSP), 61 Dr. Cesário Mota Junior Street, São Paulo, SP, 01221-020, Brazil
- Post-Graduation Program in Chemistry-Biology, Federal University of São Paulo (UNIFESP), Diadema, Brazil
| | | | | | - Beatriz Moreira Rodrigues
- Department of Microbiology, Immunology and Parasitology, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Juliana Terzi Maricato
- Department of Microbiology, Immunology and Parasitology, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Liria Hiromi Okuda
- Biological Institute, Agriculture and Supply Department, São Paulo, SP, Brazil
| | - Mirela Inês de Sairre
- Human and Natural Sciences Center, Federal University of ABC (UFABC), São Paulo, Brazil
| | - Carla Máximo Prado
- Department of Bioscience, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Rodrigo Portes Ureshino
- Department of Biological Sciences, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
- Post-Graduation Program in Chemistry-Biology, Federal University of São Paulo (UNIFESP), Diadema, Brazil
| | - Roberta Sessa Stilhano
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences (FCMSCSP), 61 Dr. Cesário Mota Junior Street, São Paulo, SP, 01221-020, Brazil.
- Post-Graduation Program in Chemistry-Biology, Federal University of São Paulo (UNIFESP), Diadema, Brazil.
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Kinoshita K, Motomura K, Ushida K, Hirata Y, Konno A, Hirai H, Kotani S, Hitora-Imamura N, Kurauchi Y, Seki T, Katsuki H. Nurr1 overexpression in the primary motor cortex alleviates motor dysfunction induced by intracerebral hemorrhage in the striatum in mice. Neurotherapeutics 2024:e00370. [PMID: 38704311 DOI: 10.1016/j.neurot.2024.e00370] [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: 01/10/2024] [Revised: 04/01/2024] [Accepted: 04/24/2024] [Indexed: 05/06/2024] Open
Abstract
Hemorrhage-induced injury of the corticospinal tract (CST) in the internal capsule (IC) causes severe neurological dysfunction in both human patients and rodent models of intracerebral hemorrhage (ICH). A nuclear receptor Nurr1 (NR4A2) is known to exert anti-inflammatory and neuroprotective effects in several neurological disorders. Previously we showed that Nurr1 ligands prevented CST injury and alleviated neurological deficits after ICH in mice. To prove direct effect of Nurr1 on CST integrity, we examined the effect of Nurr1 overexpression in neurons of the primary motor cortex on pathological consequences of ICH in mice. ICH was induced by intrastriatal injection of collagenase type VII, where hematoma invaded into IC. Neuron-specific overexpression of Nurr1 was induced by microinjection of synapsin I promoter-driven adeno-associated virus (AAV) vector into the primary motor cortex. Nurr1 overexpression significantly alleviated motor dysfunction but showed only modest effect on sensorimotor dysfunction after ICH. Nurr1 overexpression also preserved axonal structures in IC, while having no effect on hematoma-associated inflammatory events, oxidative stress, and neuronal death in the striatum after ICH. Immunostaining revealed that Nurr1 overexpression increased the expression of Ret tyrosine kinase and phosphorylation of Akt and ERK1/2 in neurons in the motor cortex. Moreover, administration of Nurr1 ligands 1,1-bis(3'-indolyl)-1-(p-chlorophenyl)methane or amodiaquine increased phosphorylation levels of Akt and ERK1/2 as well as expression of glial cell line-derived neurotrophic factor and Ret genes in the cerebral cortex. These results suggest that the therapeutic effect of Nurr1 on striatal ICH is attributable to the preservation of CST by acting on cortical neurons.
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Affiliation(s)
- Keita Kinoshita
- Department of Chemico-Pharmacological Sciences, Graduate School of Pharmaceutical Sciences and School of Pharmacy, Kumamoto University, Kumamoto, Japan
| | - Kensuke Motomura
- Department of Chemico-Pharmacological Sciences, Graduate School of Pharmaceutical Sciences and School of Pharmacy, Kumamoto University, Kumamoto, Japan
| | - Keisuke Ushida
- Department of Chemico-Pharmacological Sciences, Graduate School of Pharmaceutical Sciences and School of Pharmacy, Kumamoto University, Kumamoto, Japan
| | - Yuma Hirata
- Department of Chemico-Pharmacological Sciences, Graduate School of Pharmaceutical Sciences and School of Pharmacy, Kumamoto University, Kumamoto, Japan
| | - Ayumu Konno
- Department of Neurophysiology & Neural Repair, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Hirokazu Hirai
- Department of Neurophysiology & Neural Repair, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Shunsuke Kotani
- Global Center for Natural Resources Sciences, Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan
| | - Natsuko Hitora-Imamura
- Department of Chemico-Pharmacological Sciences, Graduate School of Pharmaceutical Sciences and School of Pharmacy, Kumamoto University, Kumamoto, Japan
| | - Yuki Kurauchi
- Department of Chemico-Pharmacological Sciences, Graduate School of Pharmaceutical Sciences and School of Pharmacy, Kumamoto University, Kumamoto, Japan
| | - Takahiro Seki
- Department of Chemico-Pharmacological Sciences, Graduate School of Pharmaceutical Sciences and School of Pharmacy, Kumamoto University, Kumamoto, Japan; Department of Pharmacology, School of Pharmacy, Himeji Dokkyo University, Hyogo, Japan
| | - Hiroshi Katsuki
- Department of Chemico-Pharmacological Sciences, Graduate School of Pharmaceutical Sciences and School of Pharmacy, Kumamoto University, Kumamoto, Japan.
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Luo B, Li L, Song XD, Chen HX, Yun DB, Wang L, Zhang Y. MicroRNA-7 attenuates secondary brain injury following experimental intracerebral hemorrhage via inhibition of NLRP3. J Stroke Cerebrovasc Dis 2024; 33:107670. [PMID: 38438086 DOI: 10.1016/j.jstrokecerebrovasdis.2024.107670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 02/25/2024] [Accepted: 03/01/2024] [Indexed: 03/06/2024] Open
Abstract
BACKGROUND AND PURPOSE The pathophysiological mechanisms underlying brain injury resulting from intracerebral hemorrhage (ICH) remain incompletely elucidated, and efficacious therapeutic interventions to enhance the prognosis of ICH patients are currently lacking. Previous research indicates that MicroRNA-7 (miR-7) can suppress the expression of Nod-like receptor protein 3 (NLRP3), thereby modulating neuroinflammation in Parkinson's disease pathogenesis. However, the potential regulatory effects miR-7 on NLRP3 inflammasome after ICH are yet to be established. This study aims to ascertain whether miR-7 mitigates secondary brain injury following experimental ICH by inhibiting NLRP3 and to investigate the underlying mechanisms. METHODS An ICH model was established by stereotaxically injecting 100 μL of autologous blood into the right basal ganglia of Sprague-Dawley (SD) rats. Subsequently, these rats were allocated into three groups: sham, ICH + Vehicle, and ICH + miR-7, each comprising 18 animals. Twelve hours post-modeling, rats received intraventricular injections of 10 μL physiological saline, 10 μL phosphate, and 10 μL phosphate-buffered saline solution containing 0.5 nmol of miR-7 mimics, respectively. Neurological function was assessed on day three post-modeling, followed by euthanasia for brain tissue collection. Brain water content was determined using the dry-wet weight method. The expression of inflammatory cytokines in cerebral tissues surrounding the hematoma was analyzed through immunohistochemistry and Western blot assays. These cytokines were re-evaluated using Reverse Transcription-Polymerase Chain Reaction (RT-PCR). Moreover, bioinformatics tools were employed to predict miR-7's binding to NLRP3. A wild-type luciferase reporter gene vector and a corresponding mutant vector were constructed, followed by transfection of miR-7 mimics into HEK293T cells to assess luciferase activity. RESULTS Our study demonstrates that the administration of miR-7 mimics markedly reduced neurological function scores and attenuated brain edema in rats following ICH. A significant upregulation of NLRP3 expression in microglia/macrophage adjacent to the hematoma was observed, substantially reduced after the treatment with miR-7 mimics. Furthermore, this intervention ameliorated neurodegenerative changes and effectively decreased the protein and mRNA levels of pro-inflammatory cytokines, namely TNF-α, IL-1β, IL-6, and Caspase1, in the cerebral tissues proximate to the hematomas. In addition, miR-7 mimics distinctly inhibited the luciferase activity associated with the wild-type reporter gene, an effect not mirrored in its mutant variant. CONCLUSIONS The miR-7 suppressed NLRP3 expression in microglia/macrophage to reduce the production of inflammatory cytokines, leading to conducting certain neuroprotection post-ICH in rats.
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Affiliation(s)
- Bo Luo
- Department of Neurosurgery, Nanchong Central Hospital, No. 97 Renmin South Road, Shunqing District 637000, Nanchong, Sichuan Province, PR China
| | - Lin Li
- Department of Neurosurgery, Chongqing Cancer Hospital, No.181 Hanyu Road, Shapingba District 400000, Chongqing City, PR China
| | - Xu-Dong Song
- Department of Neurosurgery, Nanchong Central Hospital, No. 97 Renmin South Road, Shunqing District 637000, Nanchong, Sichuan Province, PR China
| | - Hua-Xuan Chen
- Department of Neurosurgery, Nanchong Central Hospital, No. 97 Renmin South Road, Shunqing District 637000, Nanchong, Sichuan Province, PR China
| | - De-Bo Yun
- Department of Neurosurgery, Nanchong Central Hospital, No. 97 Renmin South Road, Shunqing District 637000, Nanchong, Sichuan Province, PR China
| | - Lin Wang
- Department of Neurosurgery, Nanchong Central Hospital, No. 97 Renmin South Road, Shunqing District 637000, Nanchong, Sichuan Province, PR China
| | - Yuan Zhang
- Department of Neurosurgery, Nanchong Central Hospital, No. 97 Renmin South Road, Shunqing District 637000, Nanchong, Sichuan Province, PR China.
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Sobowale OA, Hostettler IC, Wu TY, Heal C, Wilson D, Shah DG, Strbian D, Putaala J, Tatlisumak T, Vail A, Sharma G, Davis SM, Werring DJ, Meretoja A, Allan SM, Parry-Jones AR. Baseline perihematomal edema, C-reactive protein, and 30-day mortality are not associated in intracerebral hemorrhage. Front Neurol 2024; 15:1359760. [PMID: 38645743 PMCID: PMC11026700 DOI: 10.3389/fneur.2024.1359760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 03/25/2024] [Indexed: 04/23/2024] Open
Abstract
Background The relationship between baseline perihematomal edema (PHE) and inflammation, and their impact on survival after intracerebral hemorrhage (ICH) are not well understood. Objective Assess the association between baseline PHE, baseline C-reactive protein (CRP), and early death after ICH. Methods Analysis of pooled data from multicenter ICH registries. We included patients presenting within 24 h of symptom onset, using multifactorial linear regression model to assess the association between CRP and edema extension distance (EED), and a multifactorial Cox regression model to assess the association between CRP, PHE volume and 30-day mortality. Results We included 1,034 patients. Median age was 69 (interquartile range [IQR] 59-79), median baseline ICH volume 11.5 (IQR 4.3-28.9) mL, and median baseline CRP 2.5 (IQR 1.5-7.0) mg/L. In the multifactorial analysis [adjusting for cohort, age, sex, log-ICH volume, ICH location, intraventricular hemorrhage (IVH), statin use, glucose, and systolic blood pressure], baseline log-CRP was not associated with baseline EED: for a 50% increase in CRP the difference in expected mean EED was 0.004 cm (95%CI 0.000-0.008, p = 0.055). In a further multifactorial analysis, after adjusting for key predictors of mortality, neither a 50% increase in PHE volume nor CRP were associated with higher 30-day mortality (HR 0.97; 95%CI 0.90-1.05, p = 0.51 and HR 0.98; 95%CI 0.93-1.03, p = 0.41, respectively). Conclusion Higher baseline CRP is not associated with higher baseline edema, which is also not associated with mortality. Edema at baseline might be driven by different pathophysiological processes with different effects on outcome.
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Affiliation(s)
- Oluwaseun A. Sobowale
- Division of Cardiovascular Sciences, School of Medical Sciences, Manchester Academic Health Science Center, University of Manchester, Manchester, United Kingdom
- Geoffrey Jefferson Brain Research Center, Manchester Academic Health Science Center, Northern Care Alliance NHS Foundation Trust and University of Manchester, Manchester, United Kingdom
| | - Isabel C. Hostettler
- Stroke Research Center, UCL Queen Square Institute of Neurology, and the National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust, London, United Kingdom
- Department of Neurosurgery, Cantonal Hospital St. Gallen, St. Gallen, Switzerland
| | - Teddy Y. Wu
- Department of Medicine and Neurology, The Royal Melbourne Hospital, University of Melbourne, Parkville, VIC, Australia
- New Zealand Brain Research Institute, Christchurch, New Zealand
| | - Calvin Heal
- Center for Biostatistics, The University of Manchester, Manchester Academic Health Science Center, Manchester, United Kingdom
| | - Duncan Wilson
- Stroke Research Center, UCL Queen Square Institute of Neurology, and the National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust, London, United Kingdom
- New Zealand Brain Research Institute, Christchurch, New Zealand
| | - Darshan G. Shah
- Department of Medicine and Neurology, The Royal Melbourne Hospital, University of Melbourne, Parkville, VIC, Australia
- Department of Medicine, Princess Alexandra Hospital, Brisbane, QLD, Australia
| | - Daniel Strbian
- Department of Neurology, Helsinki University Hospital and Helsinki University, Helsinki, Finland
| | - Jukka Putaala
- Department of Neurology, Helsinki University Hospital and Helsinki University, Helsinki, Finland
| | - Turgut Tatlisumak
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- Department of Neurology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Andy Vail
- Center for Biostatistics, The University of Manchester, Manchester Academic Health Science Center, Manchester, United Kingdom
| | - Gagan Sharma
- Department of Medicine and Neurology, The Royal Melbourne Hospital, University of Melbourne, Parkville, VIC, Australia
| | - Stephen M. Davis
- Department of Medicine and Neurology, The Royal Melbourne Hospital, University of Melbourne, Parkville, VIC, Australia
| | - David J. Werring
- Stroke Research Center, UCL Queen Square Institute of Neurology, and the National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust, London, United Kingdom
| | - Atte Meretoja
- Department of Medicine and Neurology, The Royal Melbourne Hospital, University of Melbourne, Parkville, VIC, Australia
- Department of Neurology, Helsinki University Hospital and Helsinki University, Helsinki, Finland
| | - Stuart M. Allan
- Geoffrey Jefferson Brain Research Center, Manchester Academic Health Science Center, Northern Care Alliance NHS Foundation Trust and University of Manchester, Manchester, United Kingdom
- Division of Neuroscience, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
| | - Adrian R. Parry-Jones
- Division of Cardiovascular Sciences, School of Medical Sciences, Manchester Academic Health Science Center, University of Manchester, Manchester, United Kingdom
- Geoffrey Jefferson Brain Research Center, Manchester Academic Health Science Center, Northern Care Alliance NHS Foundation Trust and University of Manchester, Manchester, United Kingdom
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Ma Y, Hu X, Shen S, Pan D. Geniposide ameliorates brain injury in mice with intracerebral hemorrhage by inhibiting NF-κB signaling. Neurol Res 2024; 46:346-355. [PMID: 38402902 DOI: 10.1080/01616412.2024.2321014] [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: 10/20/2023] [Accepted: 02/14/2024] [Indexed: 02/27/2024]
Abstract
BACKGROUND Neuroinflammation and oxidative stress are critical players in intracerebral hemorrhage (ICH). Geniposide is an active component of Gardenia that has anti-inflammatory effects. This study focused on the roles and mechanisms of geniposide in ICH. METHODS ICH was established by injecting collagenase IV into C57BL/6 mice. To determine the functions of geniposide and NF-κB inhibition in ICH model mice, geniposide (1, 25, or 50 mg/kg) or PDTC (a NF-κB inhibitor) was administered. Neurological functions were assessed with the modified neurological severity score (mNSS) test. Hematoxylin and eosin staining were performed to identify pathological changes. IL-1β and TNF-α levels were estimated with ELISA kits. NF-κB p65 localization was determined by immunofluorescence staining. Oxidative stress was analyzed by measuring ROS levels. RESULTS Geniposide alleviated cerebral edema and neurological deficits. Geniposide inhibited neuroinflammation and oxidative stress after ICH, and the inhibitory effects were enhanced by NF-κB inhibition. Additionally, geniposide inhibited NF-κB signaling. CONCLUSION Geniposide alleviates brain injury by suppressing inflammation and oxidative stress damage in experimental ICH models by inhibiting NF-κB signaling.
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Affiliation(s)
- Yinghui Ma
- Department of Neurosurgery, Huang Shi Central Hospital, HuangShi, China
| | - Xiao Hu
- Department of Neurosurgery, Huang Shi Central Hospital, HuangShi, China
| | - Songbo Shen
- Department of Neurosurgery, Huang Shi Central Hospital, HuangShi, China
| | - Dongmei Pan
- Department of Geriatrics, Huang Shi Central Hospital, HuangShi, China
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Yang G, Kantapan J, Mazhar M, Hu Q, Bai X, Zou Y, Wang H, Yang S, Wang L, Dechsupa N. Pretreated MSCs with IronQ Transplantation Attenuate Microglia Neuroinflammation via the cGAS-STING Signaling Pathway. J Inflamm Res 2024; 17:1643-1658. [PMID: 38504697 PMCID: PMC10949311 DOI: 10.2147/jir.s449579] [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: 12/14/2023] [Accepted: 02/29/2024] [Indexed: 03/21/2024] Open
Abstract
Background Intracerebral hemorrhage (ICH), a devastating form of stroke, is characterized by elevated morbidity and mortality rates. Neuroinflammation is a common occurrence following ICH. Mesenchymal stem cells (MSCs) have exhibited potential in treating brain diseases due to their anti-inflammatory properties. However, the therapeutic efficacy of MSCs is limited by the intense inflammatory response at the transplantation site in ICH. Hence, enhancing the function of transplanted MSCs holds considerable promise as a therapeutic strategy for ICH. Notably, the iron-quercetin complex (IronQ), a metal-quercetin complex synthesized through coordination chemistry, has garnered significant attention for its biomedical applications. In our previous studies, we have observed that IronQ exerts stimulatory effects on cell growth, notably enhancing the survival and viability of peripheral blood mononuclear cells (PBMCs) and MSCs. This study aimed to evaluate the effects of pretreated MSCs with IronQ on neuroinflammation and elucidate its underlying mechanisms. Methods The ICH mice were induced by injecting the collagenase I solution into the right brain caudate nucleus. After 24 hours, the ICH mice were randomly divided into four subgroups, the model group (Model), quercetin group (Quercetin), MSCs group (MSCs), and pretreated MSCs with IronQ group (MSCs+IronQ). Neurological deficits were re-evaluated on day 3, and brain samples were collected for further analysis. TUNEL staining was performed to assess cell DNA damage, and the protein expression levels of inflammatory factors and the cGAS-STING signaling pathway were investigated and analyzed. Results Pretreated MSCs with IronQ effectively mitigate neurological deficits and reduce neuronal inflammation by modulating the microglial polarization. Moreover, the pretreated MSCs with IronQ suppress the protein expression levels of the cGAS-STING signaling pathway. Conclusion These findings suggest that pretreated MSCs with IronQ demonstrate a synergistic effect in alleviating neuroinflammation, thereby improving neurological function, which is achieved through the inhibition of the cGAS-STING signaling pathway.
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Affiliation(s)
- Guoqiang Yang
- Research Center for Integrated Chinese and Western Medicine, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, People’s Republic of China
- Acupuncture and Rehabilitation Department, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, People’s Republic of China
- Molecular Imaging and Therapy Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Jiraporn Kantapan
- Molecular Imaging and Therapy Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Maryam Mazhar
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, People’s Republic of China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, People’s Republic of China
| | - Qiongdan Hu
- Research Center for Integrated Chinese and Western Medicine, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, People’s Republic of China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, People’s Republic of China
- Department of Medical Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Xue Bai
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, People’s Republic of China
- Department of Neurology and National Traditional Chinese Medicine Clinical Research Base, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, People’s Republic of China
| | - Yuanxia Zou
- Research Center for Integrated Chinese and Western Medicine, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, People’s Republic of China
- Molecular Imaging and Therapy Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Honglian Wang
- Research Center for Integrated Chinese and Western Medicine, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, People’s Republic of China
| | - Sijin Yang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, People’s Republic of China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, People’s Republic of China
| | - Li Wang
- Research Center for Integrated Chinese and Western Medicine, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, People’s Republic of China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, People’s Republic of China
| | - Nathupakorn Dechsupa
- Molecular Imaging and Therapy Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
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Gong F, Wei Y. LncRNA PVT1 promotes neuroinflammation after intracerebral hemorrhage by regulating the miR-128-3p/TXNIP axis. Int J Neurosci 2024:1-15. [PMID: 38294729 DOI: 10.1080/00207454.2024.2312998] [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: 10/20/2023] [Accepted: 01/27/2024] [Indexed: 02/01/2024]
Abstract
OBJECTIVE Intracerebral hemorrhage (ICH) has significant morbidity and mortality. TXNIP and the competing endogenous RNA (ceRNA) regulatory mechanism involved in long non-coding RNA (lncRNA) play roles in ICH. We probed the upstream microRNAs (miRNAs)/lncRNAs that regulated TXNIP expression in the ceRNA mechanism. METHODS ICH mouse model was established, and ICH secondary injury was simulated in BV2 microglia by hemin treatment. TXNIP was silenced 48 h before ICH modeling. The ICH mouse brain water content (BWC) and brain lesion volume after ICH were recorded. Neuronal apoptosis and neurological deficits were evaluated by double staining of NeuN and TUNEL/modified Garcia/corner turn/forelimb placement tests. Iba1 + microglia number and tumor necrosis factor-α (TNF-α)/interleukin-1β (IL-1β)/IL-10/TXNIP/PVT1/miR-128-3p levels were assessed by immunohistochemistry, Western blot, ELISA, and RT-qPCR. Cell viability/death of BV2 cells conditioned medium-treated neuron HT22 cells were assessed by CCK-8/LDH assays. miRNA that had a targeted binding relationship with TXNIP was screened. The targeted bindings of miR-128-3p to TXNIP/PVT1 to miR-128-3p were verified by dual-luciferase reporter gene assay. RESULTS TXNIP knockdown reduced post-ICH microglial activation/release of pro-inflammatory factors/brain edema/brain lesion volume/neurological deficits in mice and increased releases of anti-inflammatory factors. TXNIP/PVT1 knockdown inhibited hemin-induced inflammatory responses in BV2 cells and protected in vitro co-cultured HT22 cells. PVT1 was a sponge of miR-128-3p to repress TXNIP expression. miR-128-3p knockdown diminished PVT1 knockdown-inhibited hemin-induced BV2 cell inflammatory responses/neurotoxicity. CONCLUSIONS PVT1 silencing reduced hemin-induced neuroinflammation and had a protective effect on neurons by increasing the targeted inhibition of TXNIP by miR-128-3p.
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Affiliation(s)
- Fanyong Gong
- Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, China
| | - Yiting Wei
- Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, China
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Li J, Li J, Guo E, Wang Y, Yang M, Huo H, Shi Y, Zhao L. Pink1 deficiency enhances neurological deficits and inflammatory responses after intracerebral hemorrhage in mice. Neurotherapeutics 2024; 21:e00317. [PMID: 38266580 DOI: 10.1016/j.neurot.2024.e00317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/30/2023] [Accepted: 01/03/2024] [Indexed: 01/26/2024] Open
Abstract
Pink1 (PTEN-induced putative kinase 1) is a protein associated with maintaining mitochondrial function and integrity and has been reported to mediate neurodegeneration and neuroinflammation. While the role of Pink1 in intracerebral hemorrhage (ICH)-related neurological deficits and inflammatory responses is not deciphered. Congenic blood was transfused into the left corpus striatum to construct the ICH model in C57/BL6 wild-type (WT) and Pink1-/- mice. The relative expression of Pink1, monocyte chemoattractant protein-1 (MCP-1), macrophage inflammatory protein (MIP)-2, tumor necrosis factor (TNF)-α, interleukin (IL)-1β, Cd86, nitric oxide synthase 2 (Nos2), Cd206, arginase 1 (Arg-1), and IL-10 was detected with qRT-PCR, Western blotting, or ELISA. Mouse neurological deficit scores (mNSS) and water content were detected, and an open-field test was performed to assay anxiety-like behavior. Remarkably decreased Pink1 expression and increased MIP-2, IL-1β, MCP-1, and TNF-α expression were observed after 12 h, 24 h, 48 h, 72 h, and 7 d post-ICH induction in the ipsilateral injury hemispheres. Pink1 deficiency could further up-regulate mNSS scores, brain water content, MIP-2, MCP-1, IL-1β, and TNF-α in the ipsilateral injury hemispheres. On the other hand, Pink1 deficiency could decrease the number of center cross, the velocity, and the total distance traveled in open field test. Pink1 deficiency could further up-regulate the mRNA levels of pro-inflammatory (M1) molecules (Cd86, Nos2), and down-regulate the relative expression of anti-inflammatory (M2) molecules (Cd206, Arg-1, and IL-10). Pink1 deficiency deteriorates neurological deficits and inflammatory responses after ICH, which can be considered as a treatment target.
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Affiliation(s)
- Jingchen Li
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, No. 215 Hepingxi Road, Shijiazhuang 050000, Hebei, China
| | - Jianliang Li
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, No. 215 Hepingxi Road, Shijiazhuang 050000, Hebei, China
| | - Erkun Guo
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, No. 215 Hepingxi Road, Shijiazhuang 050000, Hebei, China
| | - Yuanyu Wang
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, No. 215 Hepingxi Road, Shijiazhuang 050000, Hebei, China
| | - Ming Yang
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, No. 215 Hepingxi Road, Shijiazhuang 050000, Hebei, China
| | - Haoran Huo
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, No. 215 Hepingxi Road, Shijiazhuang 050000, Hebei, China
| | - Yunpeng Shi
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, No. 215 Hepingxi Road, Shijiazhuang 050000, Hebei, China
| | - Lin Zhao
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, No. 215 Hepingxi Road, Shijiazhuang 050000, Hebei, China.
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Takamatsu Y, Inoue T, Nishio T, Soma K, Kondo Y, Mishima T, Takamura H, Okamura M, Maejima H. Potential effect of physical exercise on the downregulation of BDNF mRNA expression in rat hippocampus following intracerebral hemorrhage. Neurosci Lett 2024; 824:137670. [PMID: 38342427 DOI: 10.1016/j.neulet.2024.137670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 01/24/2024] [Accepted: 02/05/2024] [Indexed: 02/13/2024]
Abstract
OBJECTIVES Physical exercise is known to induce expression of the neuroprotective brain derived neurotrophic factor (BDNF) in the hippocampus. This study examined the effects of physical exercise on hippocampal BDNF expression and the potential benefits for preventing remote secondary hippocampal damage and neurological impairment following intracerebral hemorrhage (ICH). MATERIALS AND METHODS Wistar rats were randomly assigned to sham-operated, ICH, and ICH followed by exercise (ICH/Ex) groups. The two ICH groups were injected with type IV collagenase into the left basal ganglia, while sham animals were injected with equal-volume saline. The ICH/Ex group rats ran on a treadmill at 11 m/min for 30 min/day from day 3 to 16 post-ICH. All animals were examined for neurological function on day 2 pretreatment and from day 3 to 15 posttreatment, for spontaneous motor activity in the open field on day 15, and for cognitive ability using the object location test on day 16. Animals were then euthanized and bilateral hippocampi collected for gene expression analyses. RESULTS Experimental ICH induced neurological deficits that were not reversed by exercise. In contrast, ICH did not alter spontaneous activity or object location ability. Expression of BDNF mRNA of the ICH group was significantly downregulated in the ipsilateral hippocampus compared to the SHAM group, but this downregulation was not shown in the ICH/Ex group. The ICH/Ex group showed the downregulation of caspase-3 mRNA expression in the contralateral hippocampus compared to the SHAM group, while neither ICH nor exercise influenced toll-like receptor 4 mRNA expression. CONCLUSIONS ICH induced the secondary BDNF downregulation in the hippocampus remote from the lesion, whereas physical exercise might partially mitigate the downregulation.
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Affiliation(s)
- Yasuyuki Takamatsu
- Department of Rehabilitation Science, Faculty of Health Sciences, Hokkaido University, Kita 12 Nishi 5, Kita-ku, Sapporo 060-0812, Japan; Department of Physical Therapy, College of Life and Health Sciences, Chubu University, 1200 Matsumoto-cho, Kasugai 487-8501, Japan.
| | - Takahiro Inoue
- Graduate School of Health Sciences, Hokkaido University, Kita 12 Nishi 5, Kita-ku, Sapporo, 060-0812, Japan; Department of System Pathology for Neurological Disorders, Brain Research Institute, Niigata University, 1-757 Asahimachidori, Chuo-ku, Niigata 951-8585, Japan
| | - Taichi Nishio
- Graduate School of Health Sciences, Hokkaido University, Kita 12 Nishi 5, Kita-ku, Sapporo, 060-0812, Japan
| | - Kiho Soma
- Department of Health Sciences, School of Medicine, Hokkaido University, Kita 12 Nishi 5, Kita-ku, Sapporo 060-0812, Japan
| | - Yuki Kondo
- Department of Health Sciences, School of Medicine, Hokkaido University, Kita 12 Nishi 5, Kita-ku, Sapporo 060-0812, Japan
| | - Taiga Mishima
- Department of Health Sciences, School of Medicine, Hokkaido University, Kita 12 Nishi 5, Kita-ku, Sapporo 060-0812, Japan
| | - Hana Takamura
- Department of Health Sciences, School of Medicine, Hokkaido University, Kita 12 Nishi 5, Kita-ku, Sapporo 060-0812, Japan
| | - Misato Okamura
- Graduate School of Health Sciences, Hokkaido University, Kita 12 Nishi 5, Kita-ku, Sapporo, 060-0812, Japan
| | - Hiroshi Maejima
- Department of Rehabilitation Science, Faculty of Health Sciences, Hokkaido University, Kita 12 Nishi 5, Kita-ku, Sapporo 060-0812, Japan
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Zhang C, Zheng J, Yu X, Kuang B, Dai X, Zheng L, Yu W, Teng W, Cao H, Li M, Yao J, Liu X, Zou W. "Baihui" (DU20)-penetrating "Qubin" (GB7) acupuncture on blood-brain barrier integrity in rat intracerebral hemorrhage models via the RhoA/ROCK II/MLC 2 signaling pathway. Animal Model Exp Med 2024. [PMID: 38379356 DOI: 10.1002/ame2.12374] [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: 10/28/2023] [Accepted: 11/21/2023] [Indexed: 02/22/2024] Open
Abstract
BACKGROUND Blocking the RhoA/ROCK II/MLC 2 (Ras homolog gene family member A/Rho kinase II/myosin light chain 2) signaling pathway can initiate neuroprotective mechanisms against neurological diseases such as stroke, cerebral ischemia, and subarachnoid hemorrhage. Nevertheless, it is not clear whether and how disrupting the RhoA/ROCK II/MLC 2 signaling pathway changes the pathogenic processes of the blood-brain barrier (BBB) after intracerebral hemorrhage (ICH). The present investigation included the injection of rat caudal vein blood into the basal ganglia area to replicate the pathophysiological conditions caused by ICH. METHODS Scalp acupuncture (SA) therapy was performed on rats with ICH at the acupuncture point "Baihui"-penetrating "Qubin," and the ROCK selective inhibitor fasudil was used as a positive control to evaluate the inhibitory effect of acupuncture on the RhoA/ROCK II/MLC 2 signaling pathway. Post-assessments included neurological deficits, brain edema, Evans blue extravasation, Western blot, quantitative polymerase chain reaction, and transmission electron microscope imaging. RESULTS We found that ROCK II acts as a promoter of the RhoA/ROCK II/MLC 2 signaling pathway, and its expression increased at 6 h after ICH, peaked at 3 days, and then decreased at 7 days after ICH, but was still higher than the pre-intervention level. According to some experimental results, although 3 days is the peak, 7 days is the best time point for acupuncture treatment. Starting from 6 h after ICH, the neurovascular structure and endothelial cell morphology around the hematoma began to change. Based on the changes in the promoter ROCK II, a 7-day time point was selected as the breakthrough point for treating ICH model rats in the main experiment. The results of this experiment showed that both SA at "Baihui"-penetrating "Qubin" and treatment with fasudil could improve the expression of endothelial-related proteins by inhibiting the RhoA/ROCK II/MLC 2 signaling pathway and reduce neurological dysfunction, brain edema, and BBB permeability in rats. CONCLUSION This study found that these experimental data indicated that SA at "Baihui"-penetrating "Qubin" could preserve BBB integrity and neurological function recovery after ICH by inhibiting RhoA/ROCK II/MLC 2 signaling pathway activation and by regulating endothelial cell-related proteins.
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Affiliation(s)
- Ce Zhang
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Jia Zheng
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xueping Yu
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Binglin Kuang
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xiaohong Dai
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Lei Zheng
- Clinical Key Laboratory of Integrated Traditional Chinese and Western Medicine of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Weiwei Yu
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Wei Teng
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Hongtao Cao
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Mingyue Li
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Jiayong Yao
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xiaoying Liu
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Wei Zou
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
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Cadena AJ, Rincon F. Hypothermia and temperature modulation for intracerebral hemorrhage (ICH): pathophysiology and translational applications. Front Neurosci 2024; 18:1289705. [PMID: 38440392 PMCID: PMC10910040 DOI: 10.3389/fnins.2024.1289705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 02/07/2024] [Indexed: 03/06/2024] Open
Abstract
Background Intracerebral hemorrhage (ICH) still poses a substantial challenge in clinical medicine because of the high morbidity and mortality rate that characterizes it. This review article expands into the complex pathophysiological processes underlying primary and secondary neuronal death following ICH. It explores the potential of therapeutic hypothermia as an intervention to mitigate these devastating effects. Methods A comprehensive literature review to gather relevant studies published between 2000 and 2023. Discussion Primary brain injury results from mechanical damage caused by the hematoma, leading to increased intracranial pressure and subsequent structural disruption. Secondary brain injury encompasses a cascade of events, including inflammation, oxidative stress, blood-brain barrier breakdown, cytotoxicity, and neuronal death. Initial surgical trials failed to demonstrate significant benefits, prompting a shift toward molecular mechanisms driving secondary brain injury as potential therapeutic targets. With promising preclinical outcomes, hypothermia has garnered attention, but clinical trials have yet to establish its definitive effectiveness. Localized hypothermia strategies are gaining interest due to their potential to minimize systemic complications and improve outcomes. Ongoing and forthcoming clinical trials seek to clarify the role of hypothermia in ICH management. Conclusion Therapeutic hypothermia offers a potential avenue for intervention by targeting the secondary injury mechanisms. The ongoing pursuit of optimized cooling protocols, localized cooling strategies, and rigorous clinical trials is crucial to unlocking the potential of hypothermia as a therapeutic tool for managing ICH and improving patient outcomes.
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Affiliation(s)
- Angel J. Cadena
- Department of Neurology, Columbia University, New York, NY, United States
| | - Fred Rincon
- Department of Neurology, Division of Neurocritical Care, Cooper University, Camden, NJ, United States
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Dong H, Wen X, Zhang BW, Wu Z, Zou W. Astrocytes in intracerebral hemorrhage: impact and therapeutic objectives. Front Mol Neurosci 2024; 17:1327472. [PMID: 38419793 PMCID: PMC10899346 DOI: 10.3389/fnmol.2024.1327472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 01/25/2024] [Indexed: 03/02/2024] Open
Abstract
Intracerebral hemorrhage (ICH) manifests precipitously and profoundly impairs the neurological function in patients who are affected. The etiology of subsequent injury post-ICH is multifaceted, characterized by the intricate interplay of various factors, rendering therapeutic interventions challenging. Astrocytes, a distinct class of glial cells, interact with neurons and microglia, and are implicated in a series of pathophysiological alterations following ICH. A comprehensive examination of the functions and mechanisms associated with astrocytic proteins may shed light on the role of astrocytes in ICH pathology and proffer innovative therapeutic avenues for ICH management.
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Affiliation(s)
- Hao Dong
- The First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xin Wen
- The First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Bai-Wen Zhang
- The First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Zhe Wu
- The First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Wei Zou
- The Third Department of Acupuncture and Moxibustion, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, China
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Kong Y, Wang D, Jin X, Liu Y, Xu H. Unveiling the significance of TREM1/2 in hemorrhagic stroke: structure, function, and therapeutic implications. Front Neurol 2024; 15:1334786. [PMID: 38385036 PMCID: PMC10879330 DOI: 10.3389/fneur.2024.1334786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 01/23/2024] [Indexed: 02/23/2024] Open
Abstract
Stroke has long been a major threat to human health worldwide. Hemorrhagic stroke, including intracerebral hemorrhage and subarachnoid hemorrhage, exhibits a high incidence rate and a high mortality and disability rate, imposing a substantial burden on both public health and the economy and society. In recent years, the triggering receptor expressed on myeloid cells (TREM) family has garnered extensive attention in various pathological conditions, including hemorrhagic stroke. This review comprehensively summarizes the structure and function of TREM1/2, as well as their roles and potential mechanisms in hemorrhagic stroke, with the aim of providing guidance for the development of targeted therapeutic strategies in the future.
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Affiliation(s)
- Yancheng Kong
- Trauma Emergency Center, Changzhou Hospital of Traditional Chinese Medicine, Changzhou, China
| | - Di Wang
- Trauma Emergency Center, Changzhou Hospital of Traditional Chinese Medicine, Changzhou, China
| | - Xu Jin
- Changzhou Hospital Affiliated to Nanjing University of Chinese Medicine, Changzhou, China
| | - Yi Liu
- Trauma Emergency Center, Changzhou Hospital of Traditional Chinese Medicine, Changzhou, China
| | - Hui Xu
- Trauma Emergency Center, Changzhou Hospital of Traditional Chinese Medicine, Changzhou, China
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Zhang BW, Sun KH, Liu T, Zou W. The Crosstalk Between Immune Cells After Intracerebral Hemorrhage. Neuroscience 2024; 537:93-104. [PMID: 38056621 DOI: 10.1016/j.neuroscience.2023.11.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 10/28/2023] [Accepted: 11/15/2023] [Indexed: 12/08/2023]
Abstract
The inflammatory mechanism of intracerebral hemorrhage (ICH) has been widely studied, and it is believed that the regulation of this mechanism is of great significance to the prognosis. In the early stage of the acute phase of ICH, the release of a large number of inflammatory factors around the hematoma can recruit more inflammatory cells to infiltrate the area, further release inflammatory factors, cause an inflammatory cascade reaction, aggravate the volume of cerebral hematoma and edema and further destroy the blood-brain barrier (BBB), according to this, the crosstalk between cells may be of great significance in secondary brain injury (SBI). Because most of the cells recruited are inflammatory immune cells, this paper mainly discusses the cells based on the inflammatory mechanism to discuss their functions after ICH, we found that among the main cells inherent in the brain, glial cells account for the majority, of which microglia are the most widely studied and it can interact with a variety of cells, which is reflected in the literature researches on its pathogenesis and treatment. We believe that exploring multi-mechanism and multi-cell regulated drugs may be the future development trend, and the existing research, the comparison and unification of modeling methods, and the observation of long-term efficacy may be the first problem that researchers need to solve.
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Affiliation(s)
- Bai-Wen Zhang
- The First Clinical Medical College, Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Ke-Han Sun
- Rehabilitation Department, Maternal and Child Health Hospital of Xing-an League, Ulanhot City, Inner Mongolia 137400, China
| | - Ting Liu
- Rehabilitation Department, Pengzhou Traditional Chinese Medicine Hospital, Chengdu 611930, China
| | - Wei Zou
- The Third Acupuncture Department, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin 150040, China.
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Jin S, Meng J, Zhang C, Qi J, Wu H. Consistency of mouse models with human intracerebral hemorrhage: core targets and non-coding RNA regulatory axis. Aging (Albany NY) 2024; 16:1952-1967. [PMID: 38271077 PMCID: PMC10866413 DOI: 10.18632/aging.205473] [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: 09/01/2023] [Accepted: 12/04/2023] [Indexed: 01/27/2024]
Abstract
Intracerebral hemorrhage (ICH) has a high mortality and disability rate. Numerous basic studies on pathogenesis and therapeutics have been performed in mice. However, the consistency of the experimental mouse model and the human ICH patient remains unclear. This has slowed progress in translational medicine. Furthermore, effective therapeutic targets and reliable regulatory networks for ICH are needed. Therefore, we determined the differentially expressed (DE) messenger RNAs (mRNAs), microRNAs (miRNAs) and circular RNAs (circRNAs) before and after murine ICH and analyzed their regulatory relationships. Subsequently, data on mRNAs from human peripheral blood after ICH were obtained from the Gene Expression Omnibus database. The DE mRNAs after human ICH were compared with those of the mouse. Finally, we obtained seven genes with translational medicine research value and verified them in mice. Then the regulatory network of these genes was analyzed in humans. Similarly, species homologies of these regulatory pathways were identified. In conclusion, we found that the mouse ICH model mimics the human disease mainly in terms of chemokines and inflammatory factors. This has important implications for future research into the mechanisms of ICH injury and repair.
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Affiliation(s)
- Sinan Jin
- Department of Pathology, First Clinical Hospital, Harbin Medical University, Harbin 150001, China
| | - Jincheng Meng
- Department of Pathology, First Clinical Hospital, Harbin Medical University, Harbin 150001, China
| | - Chong Zhang
- Department of Pathology, First Clinical Hospital, Harbin Medical University, Harbin 150001, China
| | - Jiping Qi
- Department of Pathology, First Clinical Hospital, Harbin Medical University, Harbin 150001, China
| | - He Wu
- Department of Pathology, First Clinical Hospital, Harbin Medical University, Harbin 150001, China
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Cui J, Wang H, Liu S, Zhao Y. New Insights into Roles of IL-7R Gene as a Therapeutic Target Following Intracerebral Hemorrhage. J Inflamm Res 2024; 17:399-415. [PMID: 38260810 PMCID: PMC10802176 DOI: 10.2147/jir.s438205] [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: 09/22/2023] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
Background Spontaneous intracerebral hemorrhage (ICH) is a subtype of stroke leading to high rates of morbidity and mortality in adults. Recent studies showed that immune and inflammatory responses might play essential roles in secondary brain injury. The purpose of this article was to provide a reference for further therapeutic strategies for ICH patients. Methods GSE206971 and GSE216607 datasets from the gene expression omnibus (GEO) database were used to screen the highly immune-related differentally expressed genes (IRDEGs). We used the CIBERSORT algorithm to assess the level of immune signatures infiltration and got the possible function of IRDEGs which was analyzed through Gene Ontology (GO) analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis. Protein-protein interaction (PPI) networks and six hub genes were identified in the Cytoscape plug-in. GSVA algorithm was performed to evaluate the potential pathways of six hub genes in ICH samples. The expression level of IL-7R chosen from six hub genes was further validated by Western blotting. The cell models of ICH were established for the research of IL-7/IL-7R signaling way. Results A total of six hub genes (ITGAX, ITGAM, CCR2, CD28, SELL, and IL-7R) were identified. IL-7R was highly expressed in the mice ICH group, as shown by immunoblotting. Next, we constructed ICH cell models in RAW264.7 cells and BV2 cells. After treatment with IL-7, iNOS expression (M1 marker) was greatly inhibited while Arg-1(M2 marker) was enhanced, and it might function via the JAK3/STAT5 signaling pathway. Conclusion The hypothesis is proposed that the IL-7/IL-7R signaling pathway might regulate the inflammatory process following ICH by regulating microglia polarization. Our study is limited and requires more in-depth experimental confirmation.
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Affiliation(s)
- Jie Cui
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People’s Republic of China
- National Clinical Research Center for Hematologic Diseases, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People’s Republic of China
- NHC Key Laboratory of Thrombosis and Hemostasis, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People’s Republic of China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215006, People’s Republic of China
| | - Hongbin Wang
- Department of Emergency, Jiangyin Hospital of Traditional Chinese Medicine, Wuxi, 214400, People’s Republic of China
- Department of Intensive Care Unit, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People’s Republic of China
| | - Shiyao Liu
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People’s Republic of China
- National Clinical Research Center for Hematologic Diseases, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People’s Republic of China
- NHC Key Laboratory of Thrombosis and Hemostasis, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People’s Republic of China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215006, People’s Republic of China
| | - Yiming Zhao
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People’s Republic of China
- National Clinical Research Center for Hematologic Diseases, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People’s Republic of China
- NHC Key Laboratory of Thrombosis and Hemostasis, The First Affiliated Hospital of Soochow University, Suzhou, 215006, People’s Republic of China
- Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215006, People’s Republic of China
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Ho UC, Hsieh CJ, Lu HY, Huang APH, Kuo LT. Predictors of extubation failure and prolonged mechanical ventilation among patients with intracerebral hemorrhage after surgery. Respir Res 2024; 25:19. [PMID: 38178114 PMCID: PMC10765847 DOI: 10.1186/s12931-023-02638-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 12/14/2023] [Indexed: 01/06/2024] Open
Abstract
BACKGROUND Spontaneous intracerebral hemorrhage (ICH) is a condition associated with high mortality and morbidity. Survivors may require prolonged intubation with mechanical ventilation (MV). The aim of this study was to analyze the predictors of extubation failure and prolonged MV in patients who undergo surgical evacuation. METHODS This retrospective study was conducted on adult patients with ICH who underwent MV for at least 48 h and survived > 14 days after surgery. The demographics, clinical characteristics, laboratory tests, and Glasgow Coma Scale score were analyzed. RESULTS A total of 134 patients with ICH were included in the study. The average age of the patients was 60.34 ± 15.59 years, and 79.9% (n = 107) were extubated after satisfying the weaning parameters. Extubation failure occurred in 11.2% (n = 12) and prolonged MV in 48.5% (n = 65) patients. Multivariable regression analysis revealed that a white blood cell count > 10,000/mm3 at the time of extubation was an independent predictor of reintubation. Meanwhile, age and initial Glasgow Coma Scale scores were predictors of prolonged MV. CONCLUSIONS This study provided the first comprehensive characterization and analysis of the predictors of extubation failure and prolonged MV in patients with ICH after surgery. Knowledge of potential predictors is essential to improve the strategies for early initiation of adequate treatment and prognosis assessment in the early stages of the disease.
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Affiliation(s)
- Ue-Cheung Ho
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, Yunlin Branch No. 579, Sec. 2, Yunlin Rd, Yunlin, 640, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, 100, Taiwan
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, Taipei, 100, Taiwan
| | - Chia-Jung Hsieh
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, Taipei, 100, Taiwan
| | - Hsueh-Yi Lu
- Department of Industrial Engineering and Management, National Yunlin University of Science and Technology, Yunlin, 640, Taiwan
| | - Abel Po-Hao Huang
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, Taipei, 100, Taiwan
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, 100, Taiwan
| | - Lu-Ting Kuo
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, Yunlin Branch No. 579, Sec. 2, Yunlin Rd, Yunlin, 640, Taiwan.
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, Taipei, 100, Taiwan.
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Gu T, Pan J, Chen L, Li K, Wang L, Zou Z, Shi Q. Association of inflammatory cytokines expression in cerebrospinal fluid with the severity and prognosis of spontaneous intracerebral hemorrhage. BMC Neurol 2024; 24:7. [PMID: 38167007 PMCID: PMC10759732 DOI: 10.1186/s12883-023-03487-x] [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: 09/07/2023] [Accepted: 12/04/2023] [Indexed: 01/05/2024] Open
Abstract
OBJECTIVE To investigate the potential diagnostic and prognostic implications of inflammatory cytokine levels in the cerebrospinal fluid (CSF) of patients with spontaneous intracerebral hemorrhage (SICH) upon their initial hospital admission. METHODS Our cohort included 100 patients diagnosed with acute SICH, presenting to the Department of Neurosurgery. Additionally, we recruited 50 individuals without central nervous system (CNS) pathology, treated concurrently at our facility, as controls. CSF samples, collected upon hospital entry, were quantitatively assessed for 10 inflammatory cytokines using the Mesoscale Discovery Platform (MSD, Rockville, MD, USA) electrochemiluminescence technology, followed by validation through enzyme-linked immunosorbent assay (ELISA). RESULTS We observed a marked elevation of IL-6, IL-8, IL-10, and TNF-α in the CSF of the SICH subgroup compared to controls. Higher Glasgow Coma Scale (GCS) scores in SICH patients corresponded with lower CSF concentrations of IL-6, IL-8, IL-10, and TNF-α, indicating an inverse relationship. Notably, CSF inflammatory cytokine levels were consistently higher in SICH patients with hydrocephalus than in those without. Increases in IL-6, IL-8, IL-10, and TNF-α in the CSF were notably more pronounced in the poor prognosis group (Glasgow Outcome Scale, GOS 1-3) compared to those with a favorable prognosis (GOS 4-5). The AUC values for these cytokines in predicting SICH prognosis were 0.750, 0.728, 0.717, and 0.743, respectively. CONCLUSIONS Initial CSF levels of IL-6, IL-8, IL-10, and TNF-α upon admission provide significant insights into the severity of neural damage and are robust indicators for prognosis in SICH patients.
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Affiliation(s)
- Tianyan Gu
- Graduate School of Xinjiang Medical University, Urumqi, Xinjiang, 830000, China
| | - Jingyu Pan
- Medical College of Shihezi University, Shihezi, Xinjiang, 832000, China
| | - Ling Chen
- Clinical Laboratory Diagnostic Center, General Hospital of Xinjiang Military Command, Urumqi, Xinjiang, 830000, China
| | - Kai Li
- Clinical Laboratory Diagnostic Center, General Hospital of Xinjiang Military Command, Urumqi, Xinjiang, 830000, China
| | - Li Wang
- Clinical Laboratory Diagnostic Center, General Hospital of Xinjiang Military Command, Urumqi, Xinjiang, 830000, China
| | - Zhihao Zou
- Department of Neurosurgery, General Hospital of Xinjiang Military Command, Urumqi, Xinjiang, 830000, China.
| | - Qinghai Shi
- Clinical Laboratory Diagnostic Center, General Hospital of Xinjiang Military Command, Urumqi, Xinjiang, 830000, China.
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20
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Mu C, Gao M, Xu W, Sun X, Chen T, Xu H, Qiu H. Mechanisms of microRNA-132 in central neurodegenerative diseases: A comprehensive review. Biomed Pharmacother 2024; 170:116029. [PMID: 38128185 DOI: 10.1016/j.biopha.2023.116029] [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: 09/14/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023] Open
Abstract
MicroRNA-132 (miR-132) is a highly conserved molecule that plays a crucial regulatory role in central nervous system (CNS) disorders. The expression levels of miR-132 exhibit variability in various neurological disorders and have been closely linked to disease onset and progression. The expression level of miR-132 in the CNS is regulated by a diverse range of stimuli and signaling pathways, including neuronal migration and integration, dendritic outgrowth, and complexity, synaptogenesis, synaptic plasticity, as well as inflammation and apoptosis activation. The aberrant expression of miR-132 in various central neurodegenerative diseases has garnered widespread attention. Clinical studies have revealed altered miR-132 expression levels in both chronic and acute CNS diseases, positioning miR-132 as a potential biomarker or therapeutic target. An in-depth exploration of miR-132 holds the promise of enhancing our understanding of the mechanisms underlying CNS diseases, thereby offering novel insights and strategies for disease diagnosis and treatment. It is anticipated that this review will assist researchers in recognizing the potential value of miR-132 and in generating innovative ideas for clinical trials related to CNS degenerative diseases.
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Affiliation(s)
- Chenxi Mu
- Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China; Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China
| | - Meng Gao
- Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China; Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China
| | - Weijing Xu
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China; School of Public Health, Jiamusi University, Jiamusi 154007, Heilongjiang, China
| | - Xun Sun
- Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China; Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China
| | - Tianhao Chen
- Basic Medical College, Jiamusi University, Jiamusi 154007, Heilongjiang, China; Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China
| | - Hui Xu
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, Jiamusi 154007, Heilongjiang, China.
| | - Hongbin Qiu
- School of Public Health, Jiamusi University, Jiamusi 154007, Heilongjiang, China.
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21
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Fournier AP, Morvan MI, de Lizarrondo SM, Gauberti M. Immuno-MRI for Stroke Diagnosis and Prognosis. Neuroscience 2023:S0306-4522(23)00549-3. [PMID: 38141809 DOI: 10.1016/j.neuroscience.2023.12.007] [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: 09/09/2023] [Revised: 12/12/2023] [Accepted: 12/18/2023] [Indexed: 12/25/2023]
Abstract
Following a stroke, an inflammatory response occurs, characterized by an increased blood-brain barrier permeability, expression of endothelial trafficking molecules, and infiltration of immune cells. Adhesion molecules expressed on activated brain endothelial cells are potential biomarkers of intraparenchymal inflammation. However, in current clinical practice, it is not possible to measure endothelial activation using clinically available imaging. Using targeted micro-sized particles of iron oxide (MPIO), immuno-MRI enables the detection of endothelial adhesion molecules at high resolution and, consequently, facilitates the detection of stroke-induced brain inflammation. In this review, we highlight the most recent studies that used immuno-MRI in models of neurovascular disorders, including transient ischemic attack, ischemic stroke, intracranial hemorrhage, and subarachnoid hemorrhage. We also discuss the potential of immuno-MRI in clinical practice and the necessary next steps for its implementation in patients.
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Affiliation(s)
- Antoine Philippe Fournier
- Normandie Université, UNICAEN, INSERM, PhIND (Physiopathology and Imaging of Neurological Disorders), Institut Blood and Brain @ Caen-Normandie, Cyceron, 14000 Caen, France.
| | - Marion Isabelle Morvan
- Normandie Université, UNICAEN, INSERM, PhIND (Physiopathology and Imaging of Neurological Disorders), Institut Blood and Brain @ Caen-Normandie, Cyceron, 14000 Caen, France
| | - Sara Martinez de Lizarrondo
- Normandie Université, UNICAEN, INSERM, PhIND (Physiopathology and Imaging of Neurological Disorders), Institut Blood and Brain @ Caen-Normandie, Cyceron, 14000 Caen, France
| | - Maxime Gauberti
- Normandie Université, UNICAEN, INSERM, PhIND (Physiopathology and Imaging of Neurological Disorders), Institut Blood and Brain @ Caen-Normandie, Cyceron, 14000 Caen, France; CHU Caen, Department of Diagnostic Imaging and Interventional Radiology, CHU de Caen Côte de Nacre, Caen, France
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Hua W, Ma S, Pang Y, Liu Q, Wang Y, Liu Z, Zhao N, Ren N, Jin S, Wang B, Song Y, Qi J. Intracerebral Hemorrhage-Induced Brain Injury: the Role of Lysosomal-Associated Transmembrane Protein 5. Mol Neurobiol 2023; 60:7060-7079. [PMID: 37525083 DOI: 10.1007/s12035-023-03484-8] [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: 01/22/2023] [Accepted: 07/05/2023] [Indexed: 08/02/2023]
Abstract
Intracerebral hemorrhage (ICH) is a lethal stroke with high mortality or disability. However, effective therapy for ICH damage is generally lacking. Previous investigations have suggested that lysosomal protein transmembrane 5 (LAPTM5) is involved in various pathological processes, including autophagy, apoptosis, and inflammation. In this study, we aimed to identify the expression and functions of LAPTM5 in collagenase-induced ICH mouse models and hemoglobin-induced cell models. We found that LAPTM5 was highly expressed in brain tissues around the hematoma, and double immunostaining studies showed that LAPTM5 was co-expressed with microglia cells, neurons, and astrocytes. Following ICH, the mice presented increased brain edema, blood-brain barrier permeability, and neurological deficits, while pathological symptoms were alleviated after the LAPTM5 knockdown. Adeno-associated virus 9-mediated downregulation of LAPTM5 also improves ICH-induced secondary cerebral damage, including neuronal degeneration, the polarization of M1-like microglia, and inflammatory cascades. Furthermore, LAPTM5 promoted activation of the nuclear factor kappa-B (NF-κB) pathway in response to neuroinflammation. Further investigations indicated that brain injury improved by LAPTM5 knockdown was further exacerbated after the overexpression of receptor-interacting protein kinase 1 (RIP1), which is revealed to trigger the NF-κB pathway. In vitro experiments demonstrated that LAPTM5 silencing inhibited hemoglobin-induced cell function and confirmed regulation between RIP1 and LAPTM5. In conclusion, the present study indicates that LAPTM5 may act as a positive regulator in the context of ICH by modulating the RIP1/NF-κB pathway. Thus, it may be a candidate gene for further study of molecular or therapeutic targets.
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Affiliation(s)
- Wei Hua
- Department of Pathology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Shuainan Ma
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Yuxin Pang
- Department of Pathology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Qi Liu
- Department of Pathology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Yueying Wang
- Department of Pathology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Zhiyi Liu
- Department of Pathology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Nan Zhao
- Department of Pathology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Naixin Ren
- Department of Pathology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Sinan Jin
- Department of Pathology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Benshuai Wang
- Department of Pathology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Yuejia Song
- Department of Endocrinology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China.
| | - Jiping Qi
- Department of Pathology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China.
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Endo M, Gotoh M, Nakashima M, Kawamoto Y, Sakai S, Murakami-Murofushi K, Hashimoto K, Miyamoto Y. 2-Carba cyclic phosphatidic acid regulates blood coagulation and fibrinolysis system for repair after brain injury. Brain Res 2023; 1818:148511. [PMID: 37506965 DOI: 10.1016/j.brainres.2023.148511] [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: 03/23/2023] [Revised: 07/19/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023]
Abstract
Effective blood coagulation prevents inflammation and neuronal loss after brain injury. 2-Carba-cyclic phosphatidic acid (2ccPA), a biotherapeutic for brain injury, inhibits blood extravasation resulting from blood-brain barrier breakdown. However, the hemostasis mechanism of 2ccPA remains unclear. We determined the effects of 2ccPA-injection on blood coagulation and fibrinolysis using a needle-induced brain injury model. 2ccPA suppressed the expression of platelet degranulation-related genes. Immediately after brain injury, 2ccPA increased CD41+ platelet aggregation around the lesions and promoted fibrin aggregation. Additionally, 2ccPA supported fibrinolysis by upregulating plasminogen activator expression. These results suggest the acute effects of 2ccPA on brain hemostasis.
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Affiliation(s)
- Misaki Endo
- Graduate School of Humanities and Sciences, Ochanomizu University, Ohtsuka, Bunkyo-ku, Tokyo, Japan; Institute for Human Life Science, Ochanomizu University, Ohtsuka, Bunkyo-ku, Tokyo, Japan
| | - Mari Gotoh
- Institute for Human Life Science, Ochanomizu University, Ohtsuka, Bunkyo-ku, Tokyo, Japan
| | - Mari Nakashima
- Graduate School of Humanities and Sciences, Ochanomizu University, Ohtsuka, Bunkyo-ku, Tokyo, Japan; Institute for Human Life Science, Ochanomizu University, Ohtsuka, Bunkyo-ku, Tokyo, Japan
| | - Yuka Kawamoto
- Graduate School of Humanities and Sciences, Ochanomizu University, Ohtsuka, Bunkyo-ku, Tokyo, Japan; Institute for Human Life Science, Ochanomizu University, Ohtsuka, Bunkyo-ku, Tokyo, Japan
| | - Shiho Sakai
- Graduate School of Humanities and Sciences, Ochanomizu University, Ohtsuka, Bunkyo-ku, Tokyo, Japan; Institute for Human Life Science, Ochanomizu University, Ohtsuka, Bunkyo-ku, Tokyo, Japan
| | | | - Kei Hashimoto
- Institute for Human Life Science, Ochanomizu University, Ohtsuka, Bunkyo-ku, Tokyo, Japan; Academic Production, Ochanomizu University, Ohtsuka, Bunkyo-ku, Tokyo, Japan.
| | - Yasunori Miyamoto
- Graduate School of Humanities and Sciences, Ochanomizu University, Ohtsuka, Bunkyo-ku, Tokyo, Japan; Institute for Human Life Science, Ochanomizu University, Ohtsuka, Bunkyo-ku, Tokyo, Japan.
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24
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Li Q, Huang L, Ding Y, Sherchan P, Peng W, Zhang JH. Recombinant Slit2 suppresses neuroinflammation and Cdc42-mediated brain infiltration of peripheral immune cells via Robo1-srGAP1 pathway in a rat model of germinal matrix hemorrhage. J Neuroinflammation 2023; 20:249. [PMID: 37899442 PMCID: PMC10613398 DOI: 10.1186/s12974-023-02935-2] [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: 03/22/2023] [Accepted: 10/17/2023] [Indexed: 10/31/2023] Open
Abstract
BACKGROUND Germinal matrix hemorrhage (GMH) is a devastating neonatal stroke, in which neuroinflammation is a critical pathological contributor. Slit2, a secreted extracellular matrix protein, plays a repulsive role in axon guidance and leukocyte chemotaxis via the roundabout1 (Robo1) receptor. This study aimed to explore effects of recombinant Slit2 on neuroinflammation and the underlying mechanism in a rat model of GMH. METHODS GMH was induced by stereotactically infusing 0.3 U of bacterial collagenase into the germinal matrix of 7-day-old Sprague Dawley rats. Recombinant Slit2 or its vehicle was administered intranasally at 1 h after GMH and daily for 3 consecutive days. A decoy receptor recombinant Robo1 was co-administered with recombinant Slit2 after GMH. Slit2 siRNA, srGAP1 siRNA or the scrambled sequences were administered intracerebroventricularly 24 h before GMH. Neurobehavior, brain water content, Western blotting, immunofluorescence staining and Cdc42 activity assays were performed. RESULTS The endogenous brain Slit2 and Robo1 expressions were increased after GMH. Robo1 was expressed on neuron, astrocytes and infiltrated peripheral immune cells in the brain. Endogenous Slit2 knockdown by Slit2 siRNA exacerbated brain edema and neurological deficits following GMH. Recombinant Slit2 (rSlit2) reduced neurological deficits, proinflammatory cytokines, intercellular adhesion molecules, peripheral immune cell markers, neuronal apoptosis and Cdc42 activity in the brain tissue after GMH. The anti-neuroinflammation effects were reversed by recombinant Robo1 co-administration or srGAP1 siRNA. CONCLUSIONS Recombinant Slit2 reduced neuroinflammation and neuron apoptosis after GMH. Its anti-neuroinflammation effects by suppressing onCdc42-mediated brain peripheral immune cells infiltration was at least in part via Robo1-srGAP1 pathway. These results imply that recombinant Slit2 may have potentials as a therapeutic option for neonatal brain injuries.
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Affiliation(s)
- Qian Li
- Department of Pediatrics, Army Medical Center, Army Medical University, 10 Changjiang Access Rd, Yuzhong District, Chongqing, 400042, China
- Women and Children's Hospital of Chongqing Medical University, 120 Longshan Access Rd, Yubei District, Chongqing, 400010, China
| | - Lei Huang
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, 11041 Campus Street, Loma Linda, CA, 92354, USA
- Department of Neurosurgery, School of Medicine, Loma Linda University, 11234 Anderson Street, Loma Linda, CA, 92354, USA
| | - Yan Ding
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, 11041 Campus Street, Loma Linda, CA, 92354, USA
| | - Prativa Sherchan
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, 11041 Campus Street, Loma Linda, CA, 92354, USA
| | - Wenjie Peng
- Department of Pediatrics, Army Medical Center, Army Medical University, 10 Changjiang Access Rd, Yuzhong District, Chongqing, 400042, China
| | - John H Zhang
- Department of Physiology and Pharmacology, School of Medicine, Loma Linda University, 11041 Campus Street, Loma Linda, CA, 92354, USA.
- Department of Neurosurgery, School of Medicine, Loma Linda University, 11234 Anderson Street, Loma Linda, CA, 92354, USA.
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25
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Zhang X, Zhou Y, Liu Q, Wang F, Fu L, Wei Y, Ye Y, Guo Y. The therapeutic value of adipose-derived pericyte transplantation after intracerebral hemorrhage in rats. J Mol Histol 2023; 54:499-508. [PMID: 37498471 DOI: 10.1007/s10735-023-10140-x] [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: 03/06/2023] [Accepted: 07/09/2023] [Indexed: 07/28/2023]
Abstract
Intracerebral hemorrhage (ICH) is a devastating cerebrovascular associated with inflammation and BBB disruption. Pericytes plays a critical role in neurological diseases, while whether pericytes could be utilized to treat ICH remains to be elucidated. Here, we isolated CD146+CD34- pericytes from rat adipose tissues (ADPs). Fluorescence-activated cells maintained their cell morphology and differentiation potential and expressed pericytes markers (CD146, NG2, and PDGFRβ) but not endothelial markers (CD31, CD34, and CD45). ADPs transplantation improved the neuro-behavioral functions in ICH rats and resulted in decreased hematoma volume and neuron loss after ICH. Besides, ADPs graft restrained the infiltration of neutrophils and reactive microgliosis after ICH injury around the peri-hematoma area of rats, as evidenced by increased Iba1- and MPO immunoreactivity. The transplanted pericytes were covered on endothelial cells, and promoted angiogenesis and vascular basement membrane formation in the peri-hematoma area of ICH rats, as shown by double staining of PDGFRβ and CD31/CollagenIV. The decreased brain water content and Evans Blue leakage proved the protective role of ADPs graft on BBB permeability. Finally, transplanted ADPs increased the expression of VE-cadherin, ZO-1, and claudin-5, leading to stable endothelial cell-cell adhesion and tight junction. In conclusion, the transplantation of APDs improved neuronal after ICH, which involved different mechanisms including neuroinflammation regulation and BBB dysfunction recovery. Our results supported that ADPs might be the ideal cell type for ICH therapy and provided insights into the potential cell therapy for further ICH treatment.
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Affiliation(s)
- Xin Zhang
- Department of Neurology, Liuzhou People's Hospital affiliated to Guangxi Medical University, Liuzhou, Guangxi, 545006, People's Republic of China
- Department of Geriatrics, Liuzhou People's Hospital affiliated to Guangxi Medical University, No. 8, Wenchang Road, Liuzhou, Guangxi, 545006, People's Republic of China
- Guangxi Health Commission Key Laboratory of Clinical Biotechnology, Liuzhou People's Hospital affiliated Guangxi Medical University, Liuzhou, Guangxi, 545006, People's Republic of China
- Guangxi Postdoctoral Innovation Practice Base, Liuzhou People's Hospital affiliated to Guangxi Medical University, Liuzhou, Guangxi, 545006, People's Republic of China
| | - Ying Zhou
- Department of Geriatrics, Liuzhou People's Hospital affiliated to Guangxi Medical University, No. 8, Wenchang Road, Liuzhou, Guangxi, 545006, People's Republic of China
| | - Qiongxia Liu
- Department of Geriatrics, Liuzhou People's Hospital affiliated to Guangxi Medical University, No. 8, Wenchang Road, Liuzhou, Guangxi, 545006, People's Republic of China
| | - Fang Wang
- Department of Neurology, Liuzhou People's Hospital affiliated to Guangxi Medical University, Liuzhou, Guangxi, 545006, People's Republic of China
| | - Lin Fu
- Department of Neurology, Liuzhou People's Hospital affiliated to Guangxi Medical University, Liuzhou, Guangxi, 545006, People's Republic of China
| | - Yizhi Wei
- Department of Neurology, Liuzhou People's Hospital affiliated to Guangxi Medical University, Liuzhou, Guangxi, 545006, People's Republic of China
| | - Yuanliang Ye
- Department of Neurosurgery, Liuzhou People's Hospital affiliated to Guangxi Medical University, Liuzhou, Guangxi, 545006, People's Republic of China
| | - Yujie Guo
- Department of Geriatrics, Liuzhou People's Hospital affiliated to Guangxi Medical University, No. 8, Wenchang Road, Liuzhou, Guangxi, 545006, People's Republic of China.
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Hu D, Mo X, Luo J, Wang F, Huang C, Xie H, Jin L. 17-DMAG ameliorates neuroinflammation and BBB disruption via SOX5 mediated PI3K/Akt pathway after intracerebral hemorrhage in rats. Int Immunopharmacol 2023; 123:110698. [PMID: 37517381 DOI: 10.1016/j.intimp.2023.110698] [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: 06/07/2023] [Revised: 07/13/2023] [Accepted: 07/20/2023] [Indexed: 08/01/2023]
Abstract
Intracerebral hemorrhage (ICH) can result in secondary brain injury due to inflammation and breakdown of the blood-brain barrier (BBB), which are closely associated with patient prognosis. The potential of the heat shock protein 90 (Hsp90) inhibitor 17-DMAG in promoting neuroprotection has been observed in certain vascular diseases. However, the precise role of 17-DMAG treatment in ICH is not yet fully understood. In this study, we found that treatment with 17-DMAG (5 mg/kg) effectively reduced hematoma expansion and resulted in improved neurological outcomes. Meanwhile, the injection of 17-DMAG had a positive effect on reducing BBB disruption in rats with ICH. This effect was achieved by increasing the levels of BBB tight junction proteins (TJPs) such as zo-1, claudin-5, and occludin. As a result, the leakage of EB extravasation, brain edema and IgG in the peri-hematoma tissue were reduced. Furthermore, the injection of 17-DMAG decreased the infiltration of neutrophils into the brain tissues surrounding the hematoma in ICH rats and also reduced the production of proinflammatory cytokines IL-6 and TNF-α. Next, we used integrative mass spectrometry (MS) and molecular docking analysis to confirm that sex determining region Y-box protein 5 (SOX5) is a potential direct target of 17-DMAG in ICH. SOX5 encodes a positive regulator of the PI3K/Akt axis, and treatment with 17-DMAG resulted in a noticeable increase in SOX5 accumulation. To further investigate the role of SOX5, we employed virus-regulated SOX5 silencing and found that suppressing SOX5 blocked the ability of 17-DMAG to suppress neutrophil trafficking. Additionally, silencing SOX5 blocked the protective effects of 17-DMAG on the BBB by inhibiting PI3K, p-Akt, and BBB TJPs levels, which led to an increase in EB and IgG leakage in the peri-hematoma tissue after ICH. Similarly, when SOX5 was knocked down, the protective effects of 17-DMAG were lost. Overall, the results of our study indicate that the injection of 17-DMAG has the potential to mitigate neuroinflammation and prevent the disruption of the BBB caused by ICH, resulting in improved neurological outcomes in rats. These positive effects are attributed to the regulation of SOX5 and activation of the PI3K/Akt pathway. These findings highlight the possibility of targeting SOX5 and the PI3K/Akt pathway as a novel therapeutic approach for ICH.
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Affiliation(s)
- Di Hu
- Department of Neurology and Stroke Centre, the First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Xiaocong Mo
- Department of Oncology, the First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Jihang Luo
- Department of Oncology, the First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Fang Wang
- Department of Neurology and Stroke Centre, the First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Cheng Huang
- Department of Neurology and Stroke Centre, the First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Hesong Xie
- Department of Neurology and Stroke Centre, the First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Ling Jin
- Department of Oncology, the First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China.
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Ren H, Pan Y, Wang D, Hao H, Han R, Qi C, Zhang W, He W, Shi FD, Liu Q. CD22 blockade modulates microglia activity to suppress neuroinflammation following intracerebral hemorrhage. Pharmacol Res 2023; 196:106912. [PMID: 37696483 DOI: 10.1016/j.phrs.2023.106912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 08/09/2023] [Accepted: 09/04/2023] [Indexed: 09/13/2023]
Abstract
Microglia are first responders to acute brain insults and initiate neuroinflammation to drive secondary tissue injury. Yet the key molecular switches in control of the inflammatory activity of microglia remain poorly understood. Intracerebral hemorrhage (ICH) is a devastating stroke subtype whereby a hematoma is formed within the brain parenchyma and associated with high mortality. Using a mouse model of ICH, we found upregulation of CD22 that predominantly occurred in microglia. Antibody blockade of CD22 led to a reduction in neurological deficits, brain lesion and hematoma volume. This was accompanied by reduced inflammatory activity, increased expression of alternative activation markers (CD206 and IL-10) and enhanced phagocytosis activity in microglia after ICH. CD22 blockade also led to an increase of phosphorylated SYK and AKT after ICH. Notably, the benefits of CD22 blockade were ablated in ICH mice subjected to microglial depletion with a colony-stimulating factor 1 receptor inhibitor PLX5622. Additionally, the protective effects of CD22 blockade was diminished in ICH mice receiving a SYK inhibitor R406. Together, our findings highlight CD22 as a key molecular switch to control the detrimental effects of microglia after acute brain injury, and provide a novel strategy to improve the outcome of ICH injury.
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Affiliation(s)
- Honglei Ren
- Department of Neurology, Tianjin Neurological Institute, Tianjin Institute of Immunology, State Key Laboratory of Experimental Hematology, Haihe Laboratory of Cell Ecosystem, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Yan Pan
- Department of Neurology, Tianjin Neurological Institute, Tianjin Institute of Immunology, State Key Laboratory of Experimental Hematology, Haihe Laboratory of Cell Ecosystem, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Danni Wang
- Department of Neurology, Tianjin Neurological Institute, Tianjin Institute of Immunology, State Key Laboratory of Experimental Hematology, Haihe Laboratory of Cell Ecosystem, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Hongying Hao
- Department of Neurology, Tianjin Neurological Institute, Tianjin Institute of Immunology, State Key Laboratory of Experimental Hematology, Haihe Laboratory of Cell Ecosystem, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Ranran Han
- Department of Neurology, Tianjin Neurological Institute, Tianjin Institute of Immunology, State Key Laboratory of Experimental Hematology, Haihe Laboratory of Cell Ecosystem, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Caiyun Qi
- Department of Neurology, Tianjin Neurological Institute, Tianjin Institute of Immunology, State Key Laboratory of Experimental Hematology, Haihe Laboratory of Cell Ecosystem, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Wenjun Zhang
- Department of Neurology, Tianjin Neurological Institute, Tianjin Institute of Immunology, State Key Laboratory of Experimental Hematology, Haihe Laboratory of Cell Ecosystem, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Wenyan He
- Advanced Innovation Center for Human Brain Protection, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Beijing 100050, China.
| | - Fu-Dong Shi
- Department of Neurology, Tianjin Neurological Institute, Tianjin Institute of Immunology, State Key Laboratory of Experimental Hematology, Haihe Laboratory of Cell Ecosystem, Tianjin Medical University General Hospital, Tianjin 300052, China; Advanced Innovation Center for Human Brain Protection, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Beijing 100050, China.
| | - Qiang Liu
- Department of Neurology, Tianjin Neurological Institute, Tianjin Institute of Immunology, State Key Laboratory of Experimental Hematology, Haihe Laboratory of Cell Ecosystem, Tianjin Medical University General Hospital, Tianjin 300052, China; Department of Neurology, The Second Hospital of Shandong University, Jinan 250033, Shandong, China.
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Mo A, Wood E, Shortt J, Hu E, McQuilten Z. Platelet transfusions and predictors of bleeding in patients with myelodysplastic syndromes. Eur J Haematol 2023; 111:592-600. [PMID: 37452616 PMCID: PMC10952506 DOI: 10.1111/ejh.14049] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 07/02/2023] [Accepted: 07/03/2023] [Indexed: 07/18/2023]
Abstract
OBJECTIVES This study aimed to describe the burden of thrombocytopenia, supportive care practices, bleeding complications and predictors of bleeding in MDS patients within a large Australian hospital network, to better understand the use and effectiveness of platelet transfusions in MDS. METHODS A retrospective cohort study of patients aged ≥18 years with MDS, chronic myelomonocytic leukaemia or MDS/myeloproliferative overlap neoplasm admitted from 2016 to 2018 was conducted. Data were obtained from hospital medical records. RESULTS One hundred seventy-nine patients (median age 78 years, 61.5% male) were identified. The median platelet count at first admission was 90 × 109 /L. Twenty-eight (15.6%) patients had severe thrombocytopenia (platelet count <20 × 109 /L), of whom nine (32.1%) received prophylactic platelet transfusions, five (17.9%) received tranexamic acid (TXA), seven (25%) received both platelet transfusions and TXA, and seven (25%) received no treatment. Bleeding events requiring hospitalisation occurred in 20 (11.2%) patients. Bleeding was not predicted by presenting platelet count, TXA use, platelet transfusion or anticoagulant/antiplatelet therapies. Three patients died of bleeding, at varying platelet counts (18, 38 and 153 × 109 /L). CONCLUSION Thrombocytopenia is common in MDS. Although guidelines recommend otherwise, prophylactic platelet transfusions were commonly used for severe thrombocytopenia. Despite the majority of patients receiving platelet transfusions and/or TXA, 11% developed major bleeding occurring at a wide range of platelet counts.
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Affiliation(s)
- Allison Mo
- Transfusion Research Unit, School of Public Health & Preventive MedicineMonash UniversityMelbourneVictoriaAustralia
- Monash HaematologyMonash HealthMelbourneVictoriaAustralia
- Austin Pathology and Department of HaematologyAustin HealthMelbourneVictoriaAustralia
| | - Erica Wood
- Transfusion Research Unit, School of Public Health & Preventive MedicineMonash UniversityMelbourneVictoriaAustralia
- Monash HaematologyMonash HealthMelbourneVictoriaAustralia
| | - Jake Shortt
- Monash HaematologyMonash HealthMelbourneVictoriaAustralia
- School of Clinical Sciences, Faculty of Medicine, Nursing & Health SciencesMonash UniversityMelbourneVictoriaAustralia
| | - Erin Hu
- Pharmacy DepartmentMonash HealthMelbourneVictoriaAustralia
| | - Zoe McQuilten
- Transfusion Research Unit, School of Public Health & Preventive MedicineMonash UniversityMelbourneVictoriaAustralia
- Monash HaematologyMonash HealthMelbourneVictoriaAustralia
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Huang X, Wang D, Ma Y, Zhang Q, Ren J, Zhao H, Li S, Deng J, Yang J, Zhao Z, Xu M, Zhou Q, Zhou J. Perihematomal edema-based CT-radiomics model to predict functional outcome in patients with intracerebral hemorrhage. Diagn Interv Imaging 2023; 104:391-400. [PMID: 37179244 DOI: 10.1016/j.diii.2023.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/18/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
PURPOSE The purpose of this study was to identify possible association between noncontrast computed tomography (NCCT)-based radiomics features of perihematomal edema (PHE) and poor functional outcome at 90 days after intracerebral hemorrhage (ICH) and to develop a NCCT-based radiomics-clinical nomogram to predict 90-day functional outcomes in patients with ICH. MATERIALS AND METHODS In this multicenter retrospective study, 107 radiomics features were extracted from 1098 NCCT examinations obtained in 1098 patients with ICH. There were 652 men and 446 women with a mean age of 60 ± 12 (SD) years (range: 23-95 years). After harmonized and univariable and multivariable screening, seven of these radiomics features were closely associated with the 90-day functional outcome of patients with ICH. The radiomics score (Rad-score) was calculated based on the seven radiomics features. A clinical-radiomics nomogram was developed and validated in three cohorts. The model performance was evaluated using area under the curve analysis and decision and calibration curves. RESULTS Of the 1098 patients with ICH, 395 had a good outcome at 90 days. Hematoma hypodensity sign and intraventricular and subarachnoid hemorrhages were identified as risk factors for poor outcomes (P < 0.001). Age, Glasgow coma scale score, and Rad-score were independently associated with outcome. The clinical-radiomics nomogram showed good predictive performance with AUCs of 0.882 (95% CI: 0.859-0.905), 0.834 (95% CI: 0.776-0.891) and 0.905 (95% CI: 0.839-0.970) in the three cohorts and clinical applicability. CONCLUSION NCCT-based radiomics features from PHE are highly correlated with outcome. When combined with Rad-score, radiomics features from PHE can improve the predictive performance for 90-day poor outcome in patients with ICH.
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Affiliation(s)
- Xiaoyu Huang
- Department of Radiology, Lanzhou University Second Hospital, Lanzhou, 730030, China; Second Clinical School, Lanzhou University, Lanzhou, 730030, China; Key Laboratory of Medical Imaging of Gansu Province, Lanzhou, 730030, China; Gansu International Scientific and Technological Cooperation Base of Medical Imaging Artificial Intelligence, Lanzhou, 730030, China
| | - Dan Wang
- Department of Radiology, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Yaqiong Ma
- Second Clinical School, Lanzhou University, Lanzhou, 730030, China; Department of Radiology, Gansu Provincial Hospital, Lanzhou, 730030, China
| | - Qiaoying Zhang
- Department of Radiology, Xi'an Central Hospital, Xi An, 710000, China
| | | | - Hui Zhao
- Department of Radiology, Lanzhou University Second Hospital, Lanzhou, 730030, China; Second Clinical School, Lanzhou University, Lanzhou, 730030, China; Key Laboratory of Medical Imaging of Gansu Province, Lanzhou, 730030, China; Gansu International Scientific and Technological Cooperation Base of Medical Imaging Artificial Intelligence, Lanzhou, 730030, China
| | - Shenglin Li
- Department of Radiology, Lanzhou University Second Hospital, Lanzhou, 730030, China; Second Clinical School, Lanzhou University, Lanzhou, 730030, China; Key Laboratory of Medical Imaging of Gansu Province, Lanzhou, 730030, China; Gansu International Scientific and Technological Cooperation Base of Medical Imaging Artificial Intelligence, Lanzhou, 730030, China
| | - Juan Deng
- Department of Radiology, Lanzhou University Second Hospital, Lanzhou, 730030, China; Second Clinical School, Lanzhou University, Lanzhou, 730030, China; Key Laboratory of Medical Imaging of Gansu Province, Lanzhou, 730030, China; Gansu International Scientific and Technological Cooperation Base of Medical Imaging Artificial Intelligence, Lanzhou, 730030, China
| | - Jingjing Yang
- Department of Radiology, Lanzhou University Second Hospital, Lanzhou, 730030, China; Second Clinical School, Lanzhou University, Lanzhou, 730030, China; Key Laboratory of Medical Imaging of Gansu Province, Lanzhou, 730030, China; Gansu International Scientific and Technological Cooperation Base of Medical Imaging Artificial Intelligence, Lanzhou, 730030, China
| | - Zhiyong Zhao
- Department of Neurosurgery, Lanzhou University Second Hospital, Lanzhou, 730030, China
| | - Min Xu
- Department of Radiology, Lanzhou University Second Hospital, Lanzhou, 730030, China; Second Clinical School, Lanzhou University, Lanzhou, 730030, China; Key Laboratory of Medical Imaging of Gansu Province, Lanzhou, 730030, China; Gansu International Scientific and Technological Cooperation Base of Medical Imaging Artificial Intelligence, Lanzhou, 730030, China
| | - Qing Zhou
- Department of Radiology, Lanzhou University Second Hospital, Lanzhou, 730030, China; Second Clinical School, Lanzhou University, Lanzhou, 730030, China; Key Laboratory of Medical Imaging of Gansu Province, Lanzhou, 730030, China; Gansu International Scientific and Technological Cooperation Base of Medical Imaging Artificial Intelligence, Lanzhou, 730030, China
| | - Junlin Zhou
- Department of Radiology, Lanzhou University Second Hospital, Lanzhou, 730030, China; Second Clinical School, Lanzhou University, Lanzhou, 730030, China; Key Laboratory of Medical Imaging of Gansu Province, Lanzhou, 730030, China.
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Su WS, Wu CH, Song WS, Chen SF, Yang FY. Low-intensity pulsed ultrasound ameliorates glia-mediated inflammation and neuronal damage in experimental intracerebral hemorrhage conditions. J Transl Med 2023; 21:565. [PMID: 37620888 PMCID: PMC10464049 DOI: 10.1186/s12967-023-04377-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 07/21/2023] [Indexed: 08/26/2023] Open
Abstract
BACKGROUND Intracerebral hemorrhage (ICH) is a condition associated with high morbidity and mortality, and glia-mediated inflammation is a major contributor to neurological deficits. However, there is currently no proven effective treatment for clinical ICH. Recently, low-intensity pulsed ultrasound (LIPUS), a non-invasive method, has shown potential for neuroprotection in neurodegenerative diseases. This study aimed to investigate the neuroprotective effects and potential mechanisms of LIPUS on glia-mediated inflammation in ICH. METHODS This study used 289 mice to investigate the effects of LIPUS on ICH. ICH was induced by injecting bacterial collagenase (type VII-S; 0.0375 U) into the striatum of the mice. LIPUS was applied noninvasively for 3 days, including a 2-h-delayed intervention to mimic clinical usage. The study evaluated neurological function, histology, brain water content, hemoglobin content, MRI, and protein expression of neurotrophic factors, inflammatory molecules, and apoptosis. In vitro studies investigated glia-mediated inflammation by adding thrombin (10 U/mL) or conditioned media to primary and cell line cultures. The PI3K inhibitor LY294002 was used to confirm the effects of PI3K/Akt signaling after LIPUS treatment. RESULTS LIPUS treatment improved neurological deficits and reduced tissue loss, edema, and neurodegeneration after ICH. The protective effects of LIPUS resulted from decreased glia-mediated inflammation by inhibiting PI3K/Akt-NF-κB signaling, which reduced cytokine expression and attenuated microglial activation-induced neuronal damage in vitro. CONCLUSIONS LIPUS treatment improved neurological outcomes and reduced glia-mediated inflammation by inhibiting PI3K/Akt-NF-κB signaling after ICH. LIPUS may provide a non-invasive potential management strategy for ICH.
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Affiliation(s)
- Wei-Shen Su
- Department of Biomedical Imaging and Radiological Sciences, School of Biomedical Science and Engineering, National Yang Ming Chiao Tung University, No. 155, Sec. 2, Li-Nong Street, Taipei, 11221, Taiwan
| | - Chun-Hu Wu
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Wen-Shin Song
- Division of Neurosurgery, Cheng Hsin General Hospital, Taipei, Taiwan
- Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Szu-Fu Chen
- Department of Physical Medicine and Rehabilitation, Cheng Hsin General Hospital, No. 45, Cheng Hsin Street, Taipei, 11221, Taiwan.
- Department of Physiology and Biophysics, National Defense Medical Center, Taipei, Taiwan.
| | - Feng-Yi Yang
- Department of Biomedical Imaging and Radiological Sciences, School of Biomedical Science and Engineering, National Yang Ming Chiao Tung University, No. 155, Sec. 2, Li-Nong Street, Taipei, 11221, Taiwan.
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Wei J, Yin J, Cui Y, Wang K, Hong M, Cui J. FERM domain containing kindlin 1 knockdown attenuates inflammation induced by intracerebral hemorrhage in rats via NLR family pyrin domain containing 3/nuclear factor kappa B pathway. Exp Anim 2023; 72:324-335. [PMID: 36740252 PMCID: PMC10435358 DOI: 10.1538/expanim.22-0145] [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: 10/23/2022] [Accepted: 01/24/2023] [Indexed: 02/05/2023] Open
Abstract
Intracerebral hemorrhage (ICH) is an incurable neurological disease. Microglia activation and its related inflammation contribute to ICH-associated brain damage. FERM domain containing kindlin 1 (FERMT1) is an integrin-binding protein that participates in microglia-associated inflammation, but its role in ICH is unclear. An ICH model was constructed by injecting 50 µl of autologous blood into the bregma of rats. FERMT1 siRNA was injected into the right ventricle of the rat for knockdown of FERMT1. A significant striatal hematoma was observed in ICH rats. FERMT1 knockdown reduced the water content of brain tissue, alleviated brain hematoma and improved behavioral function in ICH rats. FERMT1 knockdown reduced microglia activity, inhibited NLR family pyrin domain containing 3 (NLRP3) inflammasome activity and decreased the expression of inflammatory factors including IL-1β and IL-18 in the peri-hematoma tissues. BV2 microglial cells were transfected with FERMT1 siRNA and incubated with 60 µM Hemin for 24 h. Activation of NLRP3 inflammasome induced by hemin were reduced in microglia when FERMT1 was knocked down, leading to decreased production of inflammatory factors IL-1β and IL-18. In addition, knockdown of FERMT1 prevented the activation of nuclear factor kappa B (NF-κB) signaling pathway in vivo and in vitro. Our findings suggested that down-regulation of FERMT1 attenuated microglial inflammation and brain damage induced by ICH via NLRP3/NF-κB pathway. FERMT1 is a key regulator of inflammatory damage in rats after ICH.
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Affiliation(s)
- Jianqiang Wei
- Department of Surgery, Hebei Medical University, No. 361, Zhongshan East Road, Shijiazhuang 050017, Hebei, P.R. China
- Department of Neurosurgery, Tangshan Gongren Hospital, No. 27, Wenhua Road, Tangshan 063000, Hebei, P.R. China
| | - Jing Yin
- Department of Neurosurgery, Tangshan Gongren Hospital, No. 27, Wenhua Road, Tangshan 063000, Hebei, P.R. China
| | - Ying Cui
- Department of Neurosurgery, Tangshan Gongren Hospital, No. 27, Wenhua Road, Tangshan 063000, Hebei, P.R. China
| | - Kaijie Wang
- Department of Neurosurgery, Tangshan Gongren Hospital, No. 27, Wenhua Road, Tangshan 063000, Hebei, P.R. China
| | - Mingyan Hong
- Department of Neurosurgery, Tangshan Gongren Hospital, No. 27, Wenhua Road, Tangshan 063000, Hebei, P.R. China
| | - Jianzhong Cui
- Department of Surgery, Hebei Medical University, No. 361, Zhongshan East Road, Shijiazhuang 050017, Hebei, P.R. China
- Department of Neurosurgery, Tangshan Gongren Hospital, No. 27, Wenhua Road, Tangshan 063000, Hebei, P.R. China
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Alsbrook DL, Di Napoli M, Bhatia K, Biller J, Andalib S, Hinduja A, Rodrigues R, Rodriguez M, Sabbagh SY, Selim M, Farahabadi MH, Jafarli A, Divani AA. Neuroinflammation in Acute Ischemic and Hemorrhagic Stroke. Curr Neurol Neurosci Rep 2023; 23:407-431. [PMID: 37395873 PMCID: PMC10544736 DOI: 10.1007/s11910-023-01282-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2023] [Indexed: 07/04/2023]
Abstract
PURPOSE OF REVIEW This review aims to provide an overview of neuroinflammation in ischemic and hemorrhagic stroke, including recent findings on the mechanisms and cellular players involved in the inflammatory response to brain injury. RECENT FINDINGS Neuroinflammation is a crucial process following acute ischemic stroke (AIS) and hemorrhagic stroke (HS). In AIS, neuroinflammation is initiated within minutes of the ischemia onset and continues for several days. In HS, neuroinflammation is initiated by blood byproducts in the subarachnoid space and/or brain parenchyma. In both cases, neuroinflammation is characterized by the activation of resident immune cells, such as microglia and astrocytes, and infiltration of peripheral immune cells, leading to the release of pro-inflammatory cytokines, chemokines, and reactive oxygen species. These inflammatory mediators contribute to blood-brain barrier disruption, neuronal damage, and cerebral edema, promoting neuronal apoptosis and impairing neuroplasticity, ultimately exacerbating the neurologic deficit. However, neuroinflammation can also have beneficial effects by clearing cellular debris and promoting tissue repair. The role of neuroinflammation in AIS and ICH is complex and multifaceted, and further research is necessary to develop effective therapies that target this process. Intracerebral hemorrhage (ICH) will be the HS subtype addressed in this review. Neuroinflammation is a significant contributor to brain tissue damage following AIS and HS. Understanding the mechanisms and cellular players involved in neuroinflammation is essential for developing effective therapies to reduce secondary injury and improve stroke outcomes. Recent findings have provided new insights into the pathophysiology of neuroinflammation, highlighting the potential for targeting specific cytokines, chemokines, and glial cells as therapeutic strategies.
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Affiliation(s)
- Diana L Alsbrook
- Department of Neurology, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Mario Di Napoli
- Neurological Service, SS Annunziata Hospital, Sulmona, L'Aquila, Italy
| | - Kunal Bhatia
- Department of Neurology, University of Mississippi Medical Center, Jackson, MS, USA
| | - José Biller
- Department of Neurology, Loyola University Chicago, Stritch School of Medicine, Maywood, IL, USA
| | - Sasan Andalib
- Research Unit of Neurology, Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Archana Hinduja
- Department of Neurology, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Roysten Rodrigues
- Department of Neurology, University of Louisville, Louisville, KY, USA
| | - Miguel Rodriguez
- College of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Sara Y Sabbagh
- Department of Neurology, University of New Mexico, Albuquerque, NM, USA
| | - Magdy Selim
- Stroke Division, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | | | - Alibay Jafarli
- Department of Neurology, Tufts Medical Center, Boston, MA, USA
| | - Afshin A Divani
- Department of Neurology, University of New Mexico, Albuquerque, NM, USA.
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Mazhar M, Yang G, Xu H, Liu Y, Liang P, Yang L, Spáčil R, Shen H, Zhang D, Ren W, Yang S. Zhilong Huoxue Tongyu capsule attenuates intracerebral hemorrhage induced redox imbalance by modulation of Nrf2 signaling pathway. Front Pharmacol 2023; 14:1197433. [PMID: 37351503 PMCID: PMC10282143 DOI: 10.3389/fphar.2023.1197433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 05/24/2023] [Indexed: 06/24/2023] Open
Abstract
Background: One of the severely debilitating and fatal subtypes of hemorrhagic stroke is intracerebral hemorrhage (ICH), which lacks an adequate cure at present. The Zhilong Huoxue Tongyu (ZLHXTY) capsule has been utilized effectively since last decade to treat ICH, in some provinces of China but the scientific basis for its mechanism is lacking. Purpose: To investigate the neuroprotective role of ZLHXTY capsules for ICH-induced oxidative injury through the regulation of redox imbalance with the Nrf2 signaling pathway. Methods: Autologous blood injection model of ICH in C57BL/6J mice was employed. Three treatment groups received ZLHXTY once daily through oral gavage at doses 0.35 g/kg, 0.7 g/kg, and 1.4 g/kg, started after 2 h and continued for 72 h of ICH induction. The neurological outcome was measured using a balance beam test. Serum was tested for inflammatory markers IL-1β, IL-6, and TNF-α through ELISA, oxidative stress through hydrogen peroxide content assay, and antioxidant status by total antioxidant capacity (T-AOC) assay. Nuclear extract from brain tissue was assayed for Nrf2 transcriptional factor activity. RT-qPCR was performed for Nfe2l2, Sod1, Hmox1, Nqo1, and Mgst1; and Western blotting for determination of protein expression of Nrf2, p62, Pp62, Keap, HO1, and NQO1. Fluoro-jade C staining was also used to examine neuronal damage. Results: ZLHXTY capsule treatment following ICH demonstrated a protective effect against oxidative brain injury. Neurological scoring showed improvement in behavioral outcomes. ELISA-based identification demonstrated a significant decline in the expression of serum inflammatory markers. Hydrogen peroxide content in serum was found to be reduced. The total antioxidant capacity was also reduced in serum, but the ZLHXTY extract showed a concentration-dependent increase in T-AOC speculating at its intrinsic antioxidant potential. Nrf2 transcriptional factor activity, mRNA and protein expression analyses revealed normalization of Nrf2 and its downstream targets, which were previously elevated as a result of oxidative stress induced by ICH. Neuronal damage was also reduced markedly after ZLHXTY treatment as revealed by Fluoro-jade C staining. Conclusion: ZLHXTY capsules possess an intrinsic antioxidant potential that can modulate the ICH-induced redox imbalance in the brain as revealed by the normalization of Nrf2 and its downstream antioxidant targets.
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Affiliation(s)
- Maryam Mazhar
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
| | - Guoqiang Yang
- Research Center for Integrated Chinese and Western Medicine, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Molecular Imaging and Therapy Research Unit, Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Houping Xu
- Preventive Treatment Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Yulin Liu
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
- Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Pan Liang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
| | - Luyin Yang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
| | - Roman Spáčil
- The Czech Center for Traditional Chinese Medicine, Olomouc, Czechia
| | - Hongping Shen
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
| | - Dechou Zhang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
| | - Wei Ren
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
| | - Sijin Yang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine of Southwest Medical University, Luzhou, China
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Lyu S, Lan Z, Li C. The triggering receptor expressed on myeloid cells 2-apolipoprotein E signaling pathway in diseases. Chin Med J (Engl) 2023; 136:1291-1299. [PMID: 37130227 PMCID: PMC10309513 DOI: 10.1097/cm9.0000000000002167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Indexed: 05/04/2023] Open
Abstract
ABSTRACT Triggering receptor expressed on myeloid cells 2 (TREM2) is a membrane receptor on myeloid cells and plays an important role in the body's immune defense. Recently, TREM2 has received extensive attention from researchers, and its activity has been found in Alzheimer's disease, neuroinflammation, and traumatic brain injury. The appearance of TREM2 is usually accompanied by changes in apolipoprotein E (ApoE), and there has been a lot of research into their structure, as well as the interaction mode and signal pathways involved in them. As two molecules with broad and important roles in the human body, understanding their correlation may provide therapeutic targets for certain diseases. In this article, we reviewed several diseases in which TREM2 and ApoE are synergistically involved in the development. We further discussed the positive or negative effects of the TREM2-ApoE pathway on nervous system immunity and inflammation.
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Affiliation(s)
- Shukai Lyu
- Department of General Practice, The Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, Zhejiang 322000, China
| | - Zhuoqing Lan
- Department of General Practice, The Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, Zhejiang 322000, China
| | - Caixia Li
- Department of General Practice, The Fourth Affiliated Hospital, School of Medicine, Zhejiang University, Yiwu, Zhejiang 322000, China
- The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310003, China
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Liang Z, Liu H, Xue L, Ma B, Yang LZ, Liang QL, Zhou ZM. A retrospective study about association of dynamic systemic immune-inflammation index (SII) with 180-day functional outcome after basal ganglia intracerebral hemorrhage. Heliyon 2023; 9:e16937. [PMID: 37484257 PMCID: PMC10361026 DOI: 10.1016/j.heliyon.2023.e16937] [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: 01/06/2023] [Revised: 04/13/2023] [Accepted: 06/01/2023] [Indexed: 07/25/2023] Open
Abstract
Objectives This study aimed to determine whether SII on different days of admission is associated with severity and 180-day functional outcomes after basal ganglia ICH. Methods In this retrospective study, data on baseline CT imaging characteristics, mRS, hematoma volume, and laboratory variables were included. The SII and NLR, LMR, and PLR were calculated from laboratory data collected on admission day, day 1, and days 5-7. Both univariate and multivariable logistic regression analyses were used to assess the association between the SII and the outcome. The receiver operating characteristic (ROC) analysis and area under the curve (AUC) were also used to evaluate the ability of the SII to predict outcomes. Result A total of 245 patients were enrolled in the study. On different days, the NLR, PLR, and SII were significantly lower in patients with favorable outcomes than in those with poor outcomes, and the volume of hemorrhage was positively correlated with the SII. These parameters were associated with outcomes in the univariate logistic regression. In the adjusted analyses, the SII and PLR were independent predictors of basal ganglia ICH outcomes. ROC analysis revealed that the SII showed a stronger ability to predict the 6-month outcomes of patients after basal ganglia ICH than the PLR on different days (AUC = 0.642, 0.804, 0.827 vs. 0.592, 0.725, 0.757; all P < 0.001). Conclusion The SII independently and strongly predicts the outcome of basal ganglia ICH. A high SII was associated with poor 6-month outcomes in patients with basal ganglia ICH.
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Affiliation(s)
- Zhang Liang
- Department of Neurosurgery, Dujiangyan Medical Center, Chengdu, China
| | - He Liu
- Department of Radiology, First Affiliated Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Li Xue
- Department of Orthopaedics, The 3rd People’s Hospital of Chengdu, College of Medicine, Southwest Jiaotong University, Chengdu, China
| | - Bin Ma
- Human Anatomy, College of Science, Health, Engineering and Education, Murdoch University, Perth, Australia
| | - Ling-Zhi Yang
- Department of Clinical Laboratory Medicine, Dujiangyan Medical Center, Chengdu, China
| | - Qing-Le Liang
- Department of Clinical Laboratory Medicine, Jiangjin Affiliated Hospital, Chongqing University, Chongqing, China
| | - Zhang-Ming Zhou
- Department of Neurosurgery, Dujiangyan Medical Center, Chengdu, China
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Carrola A, Romão CC, Vieira HLA. Carboxyhemoglobin (COHb): Unavoidable Bystander or Protective Player? Antioxidants (Basel) 2023; 12:1198. [PMID: 37371928 DOI: 10.3390/antiox12061198] [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: 05/07/2023] [Revised: 05/28/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
Carbon monoxide (CO) is a cytoprotective endogenous gas that is ubiquitously produced by the stress response enzyme heme-oxygenase. Being a gas, CO rapidly diffuses through tissues and binds to hemoglobin (Hb) increasing carboxyhemoglobin (COHb) levels. COHb can be formed in erythrocytes or in plasma from cell-free Hb. Herein, it is discussed as to whether endogenous COHb is an innocuous and inevitable metabolic waste product or not, and it is hypothesized that COHb has a biological role. In the present review, literature data are presented to support this hypothesis based on two main premises: (i) there is no direct correlation between COHb levels and CO toxicity, and (ii) COHb seems to have a direct cytoprotective and antioxidant role in erythrocytes and in hemorrhagic models in vivo. Moreover, CO is also an antioxidant by generating COHb, which protects against the pro-oxidant damaging effects of cell-free Hb. Up to now, COHb has been considered as a sink for both exogenous and endogenous CO generated during CO intoxication or heme metabolism, respectively. Hallmarking COHb as an important molecule with a biological (and eventually beneficial) role is a turning point in CO biology research, namely in CO intoxication and CO cytoprotection.
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Affiliation(s)
- André Carrola
- UCIBIO, Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - Carlos C Romão
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, 2780-157 Oeiras, Portugal
| | - Helena L A Vieira
- UCIBIO, Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, 2780-157 Oeiras, Portugal
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
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Zhang J, Liu C, Hu Y, Yang A, Zhang Y, Hong Y. The trend of neutrophil-to-lymphocyte ratio and platelet-to-lymphocyte ratio in spontaneous intracerebral hemorrhage and the predictive value of short-term postoperative prognosis in patients. Front Neurol 2023; 14:1189898. [PMID: 37305759 PMCID: PMC10248083 DOI: 10.3389/fneur.2023.1189898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 05/03/2023] [Indexed: 06/13/2023] Open
Abstract
Background Neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) play an important role in the inflammatory response in various diseases, but the role in the course of spontaneous intracerebral hemorrhage (ICH) is unclear. Methods This study retrospectively collected baseline characteristics and laboratory findings, including NLR and PLR at different time points, from spontaneous ICH patients undergoing surgery between January 2016 and June 2021. Patients were scored using the modified Rankin Scale (mRS) to evaluate their functional status at 30 days post-operation. Patients with mRS score ≥3 were defined as poor functional status, and mRS score <3 was defined as good functional status. The NLR and PLR were calculated at admission, 48 h after surgery and 3-7 days after surgery, respectively, and their trends were observed by connecting the NLR and PLR at different time points. Multivariate logistic regression analysis was used to identify independent risk factors affecting the prognosis of ICH patients at 30 days after surgery. Results A total of 101 patients were included in this study, and 59 patients had a poor outcome at 30 days after surgery. NLR and PLR gradually increased and then decreased, peaking at 48 h after surgery. Univariate analysis demonstrated that admission Glasgow Coma Scale (GCS) score, interval from onset to admission, hematoma location, NLR within 48 h after surgery and PLR within 48 h after surgery were associated with poor 30-day prognosis. In multivariate logistic regression analysis, NLR within 48 h after surgery (OR, 1.147; 95% CI, 1.005, 1.308; P, 0.042) was an independent risk factor for 30-day after surgery prognosis in spontaneous ICH patients. Conclusion In the course of spontaneous intracerebral hemorrhage, NLR and PLR initially increased and subsequently decreased, reaching their peak values at 48 h after surgery. High NLR within 48 h after surgery was an independent risk factor for poor prognosis 30 days after surgery in spontaneous ICH patients.
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Affiliation(s)
- Jian Zhang
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China
- Department of Neurosurgery, The Seventh Clinical College of China Medical University, Fushun, China
| | - Chunlong Liu
- Department of Hepatobiliary and Pancreatic Surgery, Fuyang People's Hospital, Anhui Medical University, Fuyang, China
| | - Yaofeng Hu
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Aoran Yang
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yonghui Zhang
- Department of Neurosurgery, The Seventh Clinical College of China Medical University, Fushun, China
| | - Yang Hong
- Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China
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Xiong S, Su X, Kang Y, Si J, Wang L, Li X, Ma K. Effect and mechanism of chlorogenic acid on cognitive dysfunction in mice by lipopolysaccharide-induced neuroinflammation. Front Immunol 2023; 14:1178188. [PMID: 37292216 PMCID: PMC10244504 DOI: 10.3389/fimmu.2023.1178188] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 05/11/2023] [Indexed: 06/10/2023] Open
Abstract
Background Neuroinflammation is an important factor causing numerous neurodegenerative pathologies. Inflammation can lead to abnormal neuronal structure and function and even death, followed by cognitive dysfunction. There is growing evidence that chlorogenic acid has anti-inflammatory effects and immunomodulatory activity. Purpose The aim of this study was to elucidate the potential targets and molecular mechanisms of chlorogenic acid in the treatment of neuroinflammation. Methods We used the lipopolysaccharide-induced neuroinflammation mouse model and the lipopolysaccharide-stimulated BV-2 cells in vitro model. Behavioral scores and experiments were used to assess cognitive dysfunction in mice. HE staining and immunohistochemistry were used to assess neuronal damage in the mouse brain. Immunofluorescence detected microglia polarization in mouse brain. Western blot and flow cytometry detected the polarization of BV-2 cells. The migration of BV-2 cells was detected by wound healing assay and transwell assay. Potential targets for chlorogenic acid to exert protective effects were predicted by network pharmacology. These targets were then validated using molecular docking and experiments. Results The results of in vivo experiments showed that chlorogenic acid had an obvious ameliorating effect on neuroinflammation-induced cognitive dysfunction. We found that chlorogenic acid was able to inhibit BV-2 cells M1 polarization and promote BV-2 cells M2 polarization in vitro while also inhibiting the abnormal migration of BV-2 cells. Based on the network pharmacology results, we identified the TNF signaling pathway as a key signaling pathway in which chlorogenic acid exerts anti-neuroinflammatory effects. Among them, Akt1, TNF, MMP9, PTGS2, MAPK1, MAPK14, and RELA are the core targets for chlorogenic acid to function. Conclusion Chlorogenic acid can inhibit microglial polarization toward the M1 phenotype and improve neuroinflammation-induced cognitive dysfunction in mice by modulating these key targets in the TNF signaling pathway.
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Affiliation(s)
- Siyuan Xiong
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases, Ministry of Education, Shihezi University School of Medicine, Shihezi, China
- National Health Commission (NHC) Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, China
- Department of Pathophysiology, Shihezi University School of Medicine, Shihezi, China
| | - Xuyang Su
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases, Ministry of Education, Shihezi University School of Medicine, Shihezi, China
- National Health Commission (NHC) Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, China
- Department of Pathophysiology, Shihezi University School of Medicine, Shihezi, China
| | - Yingjie Kang
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases, Ministry of Education, Shihezi University School of Medicine, Shihezi, China
- National Health Commission (NHC) Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, China
- Department of Physiology, Shihezi University School of Medicine, Shihezi, China
| | - Junqiang Si
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases, Ministry of Education, Shihezi University School of Medicine, Shihezi, China
- National Health Commission (NHC) Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, China
- Department of Physiology, Shihezi University School of Medicine, Shihezi, China
| | - Lu Wang
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases, Ministry of Education, Shihezi University School of Medicine, Shihezi, China
- National Health Commission (NHC) Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, China
- Department of Pharmacology and Clinical Pharmacy, Shihezi University School of Pharmacy, Shihezi, China
| | - Xinzhi Li
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases, Ministry of Education, Shihezi University School of Medicine, Shihezi, China
- National Health Commission (NHC) Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, China
- Department of Pathophysiology, Shihezi University School of Medicine, Shihezi, China
| | - Ketao Ma
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases, Ministry of Education, Shihezi University School of Medicine, Shihezi, China
- National Health Commission (NHC) Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases, First Affiliated Hospital, Shihezi University School of Medicine, Shihezi, China
- Department of Physiology, Shihezi University School of Medicine, Shihezi, China
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Crocker CE, Sharmeen R, Tran TT, Khan AM, Li W, Alcorn JL. Surfactant protein a attenuates generalized and localized neuroinflammation in neonatal mice. Brain Res 2023; 1807:148308. [PMID: 36871846 PMCID: PMC10065943 DOI: 10.1016/j.brainres.2023.148308] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/24/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023]
Abstract
Surfactant protein A (SP-A) has important roles in innate immunity and modulation of pulmonary and extrapulmonary inflammation. Given SP-A has been detected in rat and human brain, we sought to determine if SP-A has a role in modulating inflammation in the neonatal mouse brain. Neonatal wildtype (WT) and SP-A-deficient (SP-A-/-) mice were subjected to three models of brain inflammation: systemic sepsis, intraventricular hemorrhage (IVH) and hypoxic-ischemic encephalopathy (HIE). Following each intervention, RNA was isolated from brain tissue and expression of cytokine and SP-A mRNA was determined by real-time quantitative RT-PCR analysis. In the sepsis model, expression of most cytokine mRNAs was significantly increased in brains of WT and SP-A-/- mice with significantly greater expression of all cytokine mRNA levels in SP-A-/- mice compared to WT. In the IVH model, expression of all cytokine mRNAs was significantly increased in WT and SP-A-/- mice and levels of most cytokine mRNAs were significantly increased in SP-A-/- mice compared to WT. In the HIE model, only TNF-α mRNA levels were significantly increased in WT brain tissue while all pro-inflammtory cytokine mRNAs were significantly increased in SP-A-/- mice, and all pro-inflammatory cytokine mRNA levels were significantly higher in SP-A-/- mice compared to WT. SP-A mRNA was not detectable in brain tissue of adult WT mice nor in WT neonates subjected to these models. These results suggest that SP-A-/- neonatal mice subjected to models of neuroinflammation are more susceptible to both generalized and localized neuroinflammation compared to WT mice, thus supporting the hypothesis that SP-A attenuates inflammation in neonatal mouse brain.
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Affiliation(s)
- Caroline E Crocker
- Division of Neonatology, Department of Pediatrics, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Romana Sharmeen
- Department of Neurology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Thu T Tran
- Division of Neonatology, Department of Pediatrics, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Amir M Khan
- Division of Neonatology, Department of Pediatrics, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Wen Li
- Division of Clinical and Translational Sciences, Department of Internal Medicine, the University of Texas McGovern Medical School at Houston, Houston, TX 77030, USA; Biostatistics/Epidemiology/Research Design Component, Center for Clinical and Translational Sciences, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Joseph L Alcorn
- Division of Neonatology, Department of Pediatrics, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX 77030, USA; Pediatric Research Center, Department of Pediatrics, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX 77030, USA.
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Yang G, Kantapan J, Mazhar M, Bai X, Zou Y, Wang H, Huang B, Yang S, Dechsupa N, Wang L. Mesenchymal stem cells transplantation combined with IronQ attenuates ICH-induced inflammation response via Mincle/syk signaling pathway. Stem Cell Res Ther 2023; 14:131. [PMID: 37189208 DOI: 10.1186/s13287-023-03369-6] [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: 06/24/2022] [Accepted: 05/05/2023] [Indexed: 05/17/2023] Open
Abstract
BACKGROUND Intracerebral hemorrhage (ICH) is a severe brain-injured disease accompanied by cerebral edema, inflammation, and subsequent neurological deficits. Mesenchymal stem cells (MSCs) transplantation has been used as a neuroprotective therapy in nervous system diseases because of its anti-inflammatory effect. Nevertheless, the biological characteristics of transplanted MSCs, including the survival rate, viability, and effectiveness, are restricted because of the severe inflammatory response after ICH. Therefore, improving the survival and viability of MSCs will provide a hopeful therapeutic efficacy for ICH. Notably, the biomedical applications of coordination chemistry-mediated metal-quercetin complex have been verified positively and studied extensively, including growth-promoting and imaging probes. Previous studies have shown that the iron-quercetin complex (IronQ) possesses extraordinary dual capabilities with a stimulating agent for cell growth and an imaging probe by magnetic resonance imaging (MRI). Therefore, we hypothesized that IronQ could improve the survival and viability of MSCs, displaying the anti-inflammation function in the treatment of ICH while also labeling MSCs for their tracking by MRI. This study aimed to explore the effects of MSCs with IronQ in regulating inflammation and further clarify their potential mechanisms. METHODS C57BL/6 male mice were utilized in this research. A collagenase I-induced ICH mice model was established and randomly separated into the model group (Model), quercetin gavage group (Quercetin), MSCs transplantation group (MSCs), and MSCs transplantation combined with IronQ group (MSCs + IronQ) after 24 h. Then, the neurological deficits score, brain water content (BWC), and protein expression, such as TNF-α, IL-6, NeuN, MBP, as well as GFAP, were investigated. We further measured the protein expression of Mincle and its downstream targets. Furthermore, the lipopolysaccharide (LPS)-induced BV2 cells were utilized to investigate the neuroprotection of conditioned medium of MSCs co-cultured with IronQ in vitro. RESULTS We found that the combined treatment of MSCs with IronQ improved the inflammation-induced neurological deficits and BWC in vivo by inhibiting the Mincle/syk signaling pathway. Conditioned medium derived from MSCs co-cultured with IronQ decreased inflammation, Mincle, and its downstream targets in the LPS-induced BV2 cell line. CONCLUSIONS These data suggested that the combined treatment exerts a collaborative effect in alleviating ICH-induced inflammatory response through the downregulation of the Mincle/syk signaling pathway following ICH, further improving the neurologic deficits and brain edema.
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Affiliation(s)
- Guoqiang Yang
- Molecular Imaging and Therapy Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
- Research Center for Integrated Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Acupuncture and Rehabilitation Department, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Jiraporn Kantapan
- Molecular Imaging and Therapy Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Maryam Mazhar
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of the Affiliated Traditional, Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Xue Bai
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, China
- Department of Neurology and National Traditional Chinese Medicine Clinical Research Base, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Yuanxia Zou
- Molecular Imaging and Therapy Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
- Research Center for Integrated Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Honglian Wang
- Research Center for Integrated Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Bingfeng Huang
- Department of Magnetic Resonance Imaging, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Sijing Yang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of the Affiliated Traditional, Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Nathupakorn Dechsupa
- Molecular Imaging and Therapy Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand.
- Center of Radiation Research and Medical Imaging, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand.
| | - Li Wang
- Research Center for Integrated Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China.
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, China.
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He J, Zhang Y, Li T, Deng H, Wang P, Chong W, Hai Y, Chen L, You C, Jia L, Wang Y, Fang F. Glucose-albumin ratio as new biomarker for predicting mortality after intracerebral hemorrhage. Neurosurg Rev 2023; 46:94. [PMID: 37074539 DOI: 10.1007/s10143-023-02002-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 03/31/2023] [Accepted: 04/08/2023] [Indexed: 04/20/2023]
Abstract
OBJECTIVE This study aims to evaluate the prognostic value of blood-based biomarkers and their combinations, in particular the glucose-albumin ratio (GAR), in patients with spontaneous intracerebral hemorrhage (ICH). METHODS A retrospective observational study on 2481 patients from one hospital was conducted and validated with 602 patients from another. We assessed 15 biomarkers and focused on GAR to elucidate its prognostic and predictive value for outcomes in both cohorts. The primary outcome was mortality at 90 days. RESULTS The ratio of glucose-to-albumin, defined as GAR, was superior to other biomarkers for predicting mortality at 90 days in patients with ICH (AUC = 0.72). High GAR (using the best cutoff value of 0.19) was associated with increased mortality at 90 days (odds ratios of 1.90, 95% CI 1.54-2.34) and all-cause mortality in the first 3 years after admission (hazard ratio of 1.62, 95% CI 1.42-1.86). All aforementioned findings for GAR were successfully validated in an external independent cohort. CONCLUSIONS GAR may be a valuable biomarker for predicting the mortality of patients with ICH.
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Affiliation(s)
- Jialing He
- Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, No. 250, Changgang East Road, Guangzhou, 510260, Guangdong, China
| | - Yu Zhang
- Department of Neurosurgery, Affiliated Hospital of Chengdu University, Chengdu, Sichuan, China
| | - Tiangui Li
- Department of Neurosurgery, Longquan Hospital, Chengdu, Sichuan, China
| | - Haidong Deng
- Department of Neurosurgery, Affiliated Hospital of Chengdu University, Chengdu, Sichuan, China
| | - Peng Wang
- Department of Neurosurgery, Affiliated Hospital of Chengdu University, Chengdu, Sichuan, China
| | - Weelic Chong
- Department of Medical Oncology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Yang Hai
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA
| | - Lvlin Chen
- Department of Critical Care Medicine, Affiliated Hospital of Chengdu University, Chengdu, Sichuan, China
| | - Chao You
- Department of Neurosurgery, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang, Chengdu, 610041, Sichuan, China
| | - Lu Jia
- Department of Neurosurgery, Shanxi Provincial People's Hospital, Taiyuan, Shanxi, China
| | - Yezhong Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Guangzhou Medical University, No. 250, Changgang East Road, Guangzhou, 510260, Guangdong, China.
| | - Fang Fang
- Department of Neurosurgery, West China Hospital, Sichuan University, No. 37, Guo Xue Xiang, Chengdu, 610041, Sichuan, China.
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Zhou X, Li Y, Sun Z, Mu L, Ma Y. Elevated red blood cell distribution width levels predict depression after intracerebral hemorrhage: A 3-month follow-up study. Front Neurol 2023; 14:1077518. [PMID: 37090985 PMCID: PMC10113641 DOI: 10.3389/fneur.2023.1077518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 03/08/2023] [Indexed: 04/08/2023] Open
Abstract
ObjectivesInflammation vitally impacts the progression of depression resulting from intracerebral hemorrhage (ICH), while red blood cell distribution width (RDW) marks inflammatory-related diseases. The present study aimed at evaluating how RDW affects depression after ICH.MethodsFrom prospective analyses of patients admitted to our department between January 2017 and September 2022, ICH patients with complete medical records were evaluated. The 17-item Hamilton Depression (HAMD-17) scale was used for measuring the depressive symptoms at 3 months after ICH. Diagnosis of post-ICH depression was conducted for patients based on the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-V) criteria.ResultsA total of 438 patients were enrolled in the study, out of which 93 (21.23%) patients had PSD at the 3-month follow-up. Accordingly, patients with depression had higher RDW levels (13.70 [IQR: 13.56–13.89] vs.13.45 [IQR: 12.64–13.75], p < 0.001) at admission compared with those without depression. In multivariate analyses, RDW was used for independently predicting the depression after ICH at 3 months (OR: 2.832 [95% CI: 1.748–4.587], p < 0.001). After adjusting the underlying confounding factors, the odds ratio (OR) of depression after ICH was 4.225 (95% CI: 1.686–10.586, p = 0.002) for the highest tertile of RDW relative to the lowest tertile. With an AUC of 0.703 (95% CI: 0.649–0.757), RDW demonstrated a significantly better discriminatory ability relative to CRP and WBC. RDW as an indicator for predicting depression after ICH had an optimal cutoff value of 13.68, and the sensitivity and specificity were 63.4% and 64.6%, respectively.ConclusionsElevated RDW level predicted post-ICH depression at 3 months, confirming RDW as an effective inflammatory marker for predicting depression after ICH.
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Affiliation(s)
- Xianping Zhou
- Department of Laboratory, Bozhou Hospital Affiliated to Anhui Medical University, Bozhou, China
| | - Yaqiang Li
- Department of Neurology, People's Hospital of Lixin County, Bozhou, China
| | - Zhongbo Sun
- Department of Neurosurgery, First Affiliated Hospital of Anhui University of Science and Technology (First People's Hospital of Huainan), Huainan, China
- *Correspondence: Zhongbo Sun
| | - Li Mu
- Department of Laboratory, Bozhou Hospital Affiliated to Anhui Medical University, Bozhou, China
| | - Yaoyao Ma
- Department of Laboratory, Bozhou Hospital Affiliated to Anhui Medical University, Bozhou, China
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Hong DK, Kho AR, Lee SH, Kang BS, Park MK, Choi BY, Suh SW. Pathophysiological Roles of Transient Receptor Potential (Trp) Channels and Zinc Toxicity in Brain Disease. Int J Mol Sci 2023; 24:ijms24076665. [PMID: 37047637 PMCID: PMC10094935 DOI: 10.3390/ijms24076665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/30/2023] [Accepted: 04/01/2023] [Indexed: 04/05/2023] Open
Abstract
Maintaining the correct ionic gradient from extracellular to intracellular space via several membrane-bound transporters is critical for maintaining overall cellular homeostasis. One of these transporters is the transient receptor potential (TRP) channel family that consists of six putative transmembrane segments systemically expressed in mammalian tissues. Upon the activation of TRP channels by brain disease, several cations are translocated through TRP channels. Brain disease, especially ischemic stroke, epilepsy, and traumatic brain injury, triggers the dysregulation of ionic gradients and promotes the excessive release of neuro-transmitters and zinc. The divalent metal cation zinc is highly distributed in the brain and is specifically located in the pre-synaptic vesicles as free ions, usually existing in cytoplasm bound with metallothionein. Although adequate zinc is essential for regulating diverse physiological functions, the brain-disease-induced excessive release and translocation of zinc causes cell damage, including oxidative stress, apoptotic cascades, and disturbances in energy metabolism. Therefore, the regulation of zinc homeostasis following brain disease is critical for the prevention of brain damage. In this review, we summarize recent experimental research findings regarding how TRP channels (mainly TRPC and TRPM) and zinc are regulated in animal brain-disease models of global cerebral ischemia, epilepsy, and traumatic brain injury. The blockade of zinc translocation via the inhibition of TRPC and TRPM channels using known channel antagonists, was shown to be neuroprotective in brain disease. The regulation of both zinc and TRP channels may serve as targets for treating and preventing neuronal death.
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Affiliation(s)
- Dae Ki Hong
- Department of Physiology, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - A Ra Kho
- Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, College of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Song Hee Lee
- Department of Physiology, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea
| | - Beom Seok Kang
- Department of Physiology, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea
| | - Min Kyu Park
- Department of Physiology, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea
| | - Bo Young Choi
- Department of Physical Education, Hallym University, Chuncheon 24252, Republic of Korea
- Institute of Sport Science, Hallym University, Chuncheon 24252, Republic of Korea
| | - Sang Won Suh
- Department of Physiology, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea
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Zhang Y, Jia P, Wang K, Zhang Y, Lv Y, Fan P, Yang L, Zhang S, Wang T, Zhao J, Lv H, Chen X, Liu Y, Wei H, Zhang P. Lactate modulates microglial inflammatory responses after oxygen-glucose deprivation through HIF-1α-mediated inhibition of NF-κB. Brain Res Bull 2023; 195:1-13. [PMID: 36746287 DOI: 10.1016/j.brainresbull.2023.02.002] [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: 05/06/2022] [Revised: 01/31/2023] [Accepted: 02/03/2023] [Indexed: 02/07/2023]
Abstract
Metabolic adaption drives microglial inflammatory responses, and lactate shapes immunological and inflammatory states. However, whether lactate was involved in the regulation of microglial inflammatory responses after cerebral ischemia remains unclear. In this study, the expression of iNOS, arginase-1, phosphorylated NF-κB p65 and IκB-α, and HIF-1α in BV2 cells after oxygen-glucose deprivation (OGD) were detected by western blotting and immunofluorescence. The mRNA levels of microglial responsive markers and inflammatory factors were assessed by real-time-qPCR. The effect of lactate-treated BV2 cells on the survival of primary neurons was observed using transwell co-culture. The results showed that the protein levels of iNOS and arginase-1, the ratio of mRNA levels of iNOS/CD206, CD86/Ym1, IL-6/IL-10, TNF-α/IL-10 and the mRNA levels of IL-6 and TNF-α, as well as the protein levels of phosphorylated NF-κB p65 and IκB-α, were increased after OGD. Lactate treatment inhibited the OGD-induced increase in the protein levels of iNOS, phosphorylated NF-κB p65 and IκB-α, as well as iNOS/CD206, CD86/Ym1, IL-6/IL-10, TNF-α/IL-10, IL-6 and TNF-α mRNA levels in BV2 cells, while promoted arginase-1 protein expression as well as IL-10 and TGF-β mRNA level. Interestingly, lactate activated HIF-1α and the HIF-1α inhibitor YC-1 reversed the effect of lactate on levels of microglial responsive markers and phosphorylated NF-κB p65 and IκB-α in BV2 cells. Moreover, knockdown of HIF-1α by lentivirus-delivered shRNA also reversed the effect of lactate on phosphorylated NF-κB p65 and IκB-α in BV2 cells after OGD. Finally, and importantly, lactate-treated BV2 microglia increased the viability and decreased the apoptosis of neurons after OGD. These findings revealed that lactate inhibited NF-κB pathway and skewed BV2 microglia toward the protective response through activation of HIF-1α after OGD, thereby improving neuronal survival.
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Affiliation(s)
- Yuanyuan Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Pengyu Jia
- Department of Anesthesiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Kui Wang
- Department of Anesthesiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Yan Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Yuying Lv
- Department of Anesthesiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Pei Fan
- Department of Anesthesiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Liufei Yang
- Department of Anesthesiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Shuyue Zhang
- Institute of Neurobiology, National Key Academic Subject of Physiology of Xi'an Jiaotong University, Xi'an 710061, China
| | - Tianyue Wang
- Department of Anesthesiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Jing Zhao
- Department of Anesthesiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Haixia Lv
- Institute of Neurobiology, National Key Academic Subject of Physiology of Xi'an Jiaotong University, Xi'an 710061, China
| | - Xinlin Chen
- Institute of Neurobiology, National Key Academic Subject of Physiology of Xi'an Jiaotong University, Xi'an 710061, China
| | - Yong Liu
- Institute of Neurobiology, National Key Academic Subject of Physiology of Xi'an Jiaotong University, Xi'an 710061, China
| | - Haidong Wei
- Department of Anesthesiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China.
| | - Pengbo Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China.
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Pereira M, Batista R, Marreiros A, Nzwalo H. Neutrophil-to-leukocyte ratio and admission glycemia as predictors of short-term death in very old elderlies with lobar intracerebral hemorrhage. Brain Circ 2023; 9:94-98. [PMID: 37576580 PMCID: PMC10419730 DOI: 10.4103/bc.bc_5_23] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 04/04/2023] [Accepted: 04/10/2023] [Indexed: 08/15/2023] Open
Abstract
BACKGROUND The incidence of spontaneous intracerebral hemorrhage (SICH) is highest in very old elderlies (≥75 years). The increasing use of antithrombotic drugs is shifting the epidemiology of SICH towards predominance of lobar subtype, suggesting an incremented propensity of bleeding associated with underlying cerebral amyloid angiopathy. With population aging and antithrombotic use, a parallel raise of proportion of lobar SICH is occurring. Improvement of prognostication in this specific age group and SICH type is needed. Routine blood biomarkers can contribute to prediction of short-term mortality after SICH. OBJECTIVE Our aim was to investigate the contribution of routine blood biomarkers for short-term mortality (30-days) in elderly patients with lobar SICH. METHODS Retrospective analysis of consecutive 130 patients with ≥ 75 years and lobar SICH. The outcome was 30-day mortality. Logistic regression analysis was used to investigate whether admission routine biomarkers can be used as predictors. RESULTS The case fatality was 40.8%. Admission glycaemia level, neutrophil to lymphocyte ratio and mean platelet volume were significantly different between groups (p = 0.001, p = 0.024, p = 0.038, respectively). There was no significant difference in all other routine biomarkers. On multivariate analysis, admission higher mean BG level (odds ratio [OR]: 1.010, 95% confidence interval [CI]: 1.001-1.019, p = 0.026) and neutrophil to lymphocyte ratio (OR: 1.070, 95% CI: 1.008-1.136, p = 0.027) emerged as predictors. CONCLUSION In very old patients with lobar SICH, higher BG level and neutrophil to lymphocyte ratio are associated with increased risk of short-term death.
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Affiliation(s)
- Marta Pereira
- Medical Education Unit, Faculty of Medicine and Biomedical Sciences, Algarve University, Faro, Portugal
- Algarve Biomedical Center Research Institute, Algarve University Hospital Center, Faro, Portugal
| | - Rafael Batista
- Medical Education Unit, Faculty of Medicine and Biomedical Sciences, Algarve University, Faro, Portugal
- Algarve Biomedical Center Research Institute, Algarve University Hospital Center, Faro, Portugal
| | - Ana Marreiros
- Medical Education Unit, Faculty of Medicine and Biomedical Sciences, Algarve University, Faro, Portugal
- Algarve Biomedical Center Research Institute, Algarve University Hospital Center, Faro, Portugal
| | - Hipolito Nzwalo
- Medical Education Unit, Faculty of Medicine and Biomedical Sciences, Algarve University, Faro, Portugal
- Algarve Biomedical Center Research Institute, Algarve University Hospital Center, Faro, Portugal
- Stroke Unit, Algarve University Hospital Center, Faro, Portugal
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Possemato E, La Barbera L, Nobili A, Krashia P, D'Amelio M. The role of dopamine in NLRP3 inflammasome inhibition: Implications for neurodegenerative diseases. Ageing Res Rev 2023; 87:101907. [PMID: 36893920 DOI: 10.1016/j.arr.2023.101907] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 02/10/2023] [Accepted: 03/06/2023] [Indexed: 03/09/2023]
Abstract
In the Central Nervous System (CNS), neuroinflammation orchestrated by microglia and astrocytes is an innate immune response to counteract stressful and dangerous insults. One of the most important and best characterized players in the neuroinflammatory response is the NLRP3 inflammasome, a multiproteic complex composed by NOD-like receptor family Pyrin domain containing 3 (NLRP3), apoptosis-associated speck-like protein (ASC) and pro-caspase-1. Different stimuli mediate NLRP3 activation, resulting in the NLRP3 inflammasome assembly and the pro-inflammatory cytokine (IL-1β and IL-18) maturation and secretion. The persistent and uncontrolled NLRP3 inflammasome activation has a leading role during the pathophysiology of neuroinflammation in age-related neurodegenerative diseases such as Parkinson's (PD) and Alzheimer's (AD). The neurotransmitter dopamine (DA) is one of the players that negatively modulate NLRP3 inflammasome activation through DA receptors expressed in both microglia and astrocytes. This review summarizes recent findings linking the role of DA in the modulation of NLRP3-mediated neuroinflammation in PD and AD, where early deficits of the dopaminergic system are well characterized. Highlighting the relationship between DA, its glial receptors and the NLRP3-mediated neuroinflammation can provide insights to novel diagnostic strategies in early disease phases and new pharmacological tools to delay the progression of these diseases.
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Affiliation(s)
- Elena Possemato
- Department of Sciences and Technologies for Humans and Environment, Università Campus Bio-Medico di Roma, Via Álvaro del Portillo, 21, 00128 Rome, Italy
| | - Livia La Barbera
- Department of Sciences and Technologies for Humans and Environment, Università Campus Bio-Medico di Roma, Via Álvaro del Portillo, 21, 00128 Rome, Italy; Department of Experimental Neurosciences, IRCCS Santa Lucia Foundation, Via del Fosso di Fiorano, 64, 00143 Rome, Italy
| | - Annalisa Nobili
- Department of Sciences and Technologies for Humans and Environment, Università Campus Bio-Medico di Roma, Via Álvaro del Portillo, 21, 00128 Rome, Italy; Department of Experimental Neurosciences, IRCCS Santa Lucia Foundation, Via del Fosso di Fiorano, 64, 00143 Rome, Italy
| | - Paraskevi Krashia
- Department of Sciences and Technologies for Humans and Environment, Università Campus Bio-Medico di Roma, Via Álvaro del Portillo, 21, 00128 Rome, Italy; Department of Experimental Neurosciences, IRCCS Santa Lucia Foundation, Via del Fosso di Fiorano, 64, 00143 Rome, Italy
| | - Marcello D'Amelio
- Department of Experimental Neurosciences, IRCCS Santa Lucia Foundation, Via del Fosso di Fiorano, 64, 00143 Rome, Italy; Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Álvaro del Portillo, 21, 00128 Rome, Italy.
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Feng X, Li X, Feng J, Xia J. Intracranial hemorrhage management in the multi-omics era. Heliyon 2023; 9:e14749. [PMID: 37101482 PMCID: PMC10123201 DOI: 10.1016/j.heliyon.2023.e14749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 03/08/2023] [Accepted: 03/16/2023] [Indexed: 03/29/2023] Open
Abstract
Intracranial hemorrhage (ICH) is a devastating disorder. Neuroprotective strategies that prevent tissue injury and improve functional outcomes have been identified in multiple animal models of ICH. However, these potential interventions in clinical trials produced generally disappointing results. With progress in omics, studies of omics data, including genomics, transcriptomics, epigenetics, proteomics, metabolomics, and the gut microbiome, may help promote precision medicine. In this review, we focused on introducing the applications of all omics in ICH and shed light on all of the considerable advantages to systematically analyze the necessity and importance of multiple omics technology in ICH.
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Affiliation(s)
- Xianjing Feng
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Xi Li
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Jie Feng
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Jian Xia
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
- Clinical Research Center for Cerebrovascular Disease of Hunan Province, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Corresponding author. Department of Neurology, Xiangya Hospital, Central South University, No.87, Xiangya Road, Changsha, 410008, China
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Xie J, Pang C, Yu H, Zhang W, Ren C, Deng B. Leukocyte indicators and variations predict worse outcomes after intravenous thrombolysis in patients with acute ischemic stroke. J Cereb Blood Flow Metab 2023; 43:393-403. [PMID: 36420778 PMCID: PMC9941866 DOI: 10.1177/0271678x221142694] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 09/14/2022] [Accepted: 10/14/2022] [Indexed: 11/26/2022]
Abstract
Leukocytes are systematic inflammation indicators related to stroke prognosis and can exhibit large dynamic waves before and after recombinant tissue plasminogen activator (r-tPA) therapy. However, additional evidence is needed to determine the prognostic significance of various leukocytes including both static and dynamic data among patients who underwent r-tPA therapy. A total of 251 patients treated with r-tPA were included; their leukocyte data were collected at two time points, and patients were followed up for three months. Analysis revealed the following findings. (i) Patients with hemorrhagic transformation (HT) and unfavorable outcomes had a higher level of leukocytes after r-tPA therapy (leukocyte count (adjusted OR (aOR) 1.191 for HT and 1.184 for unfavorable outcomes), neutrophil count (aOR 1.215 and 1.214), neutrophil-to-lymphocyte ratio (NLR; aOR 1.084 and 1.091)) and larger dynamic leukocyte changes. (ii)Among all leukocytes, the NLR after r-tPA administration demonstrated the strongest correlation with HT and unfavorable outcomes. (iii) Patients with an NLR ≥ 3.322 had a 3.492-fold increased risk for HT, and those with an NLR ≥ 5.511 had a 3.024-fold increased risk for functional outcomes. Overall, this study shows that leukocytes, especially leukocyte count, neutrophil count and the NLR, are independently associated with HT and functional outcomes in stroke patients.
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Affiliation(s)
- Jiali Xie
- Department of Neurology, First Affiliated Hospital of Wenzhou
Medical University, Wenzhou, PR China
- Department of Neurology, Shanghai East Hospital, Tongji
University, Shanghai, PR China
| | - Chunyang Pang
- Department of Neurology, First Affiliated Hospital of Wenzhou
Medical University, Wenzhou, PR China
- First Clinical College of Wenzhou Medical University, Wenzhou,
PR China
| | - Huan Yu
- Department of Pediatrics, Second Affiliated Hospital and Yuying
Children's Hospital of Wenzhou Medical University, Wenzhou, PR China
| | - Wanli Zhang
- Department of Neurology, First Affiliated Hospital of Wenzhou
Medical University, Wenzhou, PR China
| | - Chuancheng Ren
- Department of Neurology, Shanghai East Hospital, Tongji
University, Shanghai, PR China
| | - Binbin Deng
- Department of Neurology, First Affiliated Hospital of Wenzhou
Medical University, Wenzhou, PR China
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Wang Y, Zhu Y, Wang J, Dong L, Liu S, Li S, Wu Q. Purinergic signaling: A gatekeeper of blood-brain barrier permeation. Front Pharmacol 2023; 14:1112758. [PMID: 36825149 PMCID: PMC9941648 DOI: 10.3389/fphar.2023.1112758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 01/27/2023] [Indexed: 02/10/2023] Open
Abstract
This review outlined evidence that purinergic signaling is involved in the modulation of blood-brain barrier (BBB) permeability. The functional and structural integrity of the BBB is critical for maintaining the homeostasis of the brain microenvironment. BBB integrity is maintained primarily by endothelial cells and basement membrane but also be regulated by pericytes, neurons, astrocytes, microglia and oligodendrocytes. In this review, we summarized the purinergic receptors and nucleotidases expressed on BBB cells and focused on the regulation of BBB permeability by purinergic signaling. The permeability of BBB is regulated by a series of purinergic receptors classified as P2Y1, P2Y4, P2Y12, P2X4, P2X7, A1, A2A, A2B, and A3, which serve as targets for endogenous ATP, ADP, or adenosine. P2Y1 and P2Y4 antagonists could attenuate BBB damage. In contrast, P2Y12-mediated chemotaxis of microglial cell processes is necessary for rapid closure of the BBB after BBB breakdown. Antagonists of P2X4 and P2X7 inhibit the activation of these receptors, reduce the release of interleukin-1 beta (IL-1β), and promote the function of BBB closure. In addition, the CD39/CD73 nucleotidase axis participates in extracellular adenosine metabolism and promotes BBB permeability through A1 and A2A on BBB cells. Furthermore, A2B and A3 receptor agonists protect BBB integrity. Thus, the regulation of the BBB by purinergic signaling is complex and affects the opening and closing of the BBB through different pathways. Appropriate selective agonists/antagonists of purinergic receptors and corresponding enzyme inhibitors could modulate the permeability of the BBB, effectively delivering therapeutic drugs/cells to the central nervous system (CNS) or limiting the entry of inflammatory immune cells into the brain and re-establishing CNS homeostasis.
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Affiliation(s)
| | | | - Junmeng Wang
- Acupuncture and Moxibustion College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Longcong Dong
- Acupuncture and Moxibustion College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Shuqing Liu
- Acupuncture and Moxibustion College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Sihui Li
- Acupuncture and Moxibustion College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
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Immunotherapy as a Treatment for Stroke: Utilizing Regulatory T Cells. BRAIN HEMORRHAGES 2023. [DOI: 10.1016/j.hest.2023.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
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