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Bitar L, Puig B, Oertner TG, Dénes Á, Magnus T. Changes in Neuroimmunological Synapses During Cerebral Ischemia. Transl Stroke Res 2024:10.1007/s12975-024-01286-1. [PMID: 39103660 DOI: 10.1007/s12975-024-01286-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 06/24/2024] [Accepted: 07/25/2024] [Indexed: 08/07/2024]
Abstract
The direct interplay between the immune and nervous systems is now well established. Within the brain, these interactions take place between neurons and resident glial cells, i.e., microglia and astrocytes, or infiltrating immune cells, influenced by systemic factors. A special form of physical cell-cell interactions is the so-called "neuroimmunological (NI) synapse." There is compelling evidence that the same signaling pathways that regulate inflammatory responses to injury or ischemia also play potent roles in brain development, plasticity, and function. Proper synaptic wiring is as important during development as it is during disease states, as it is necessary for activity-dependent refinement of neuronal circuits. Since the process of forming synaptic connections in the brain is highly dynamic, with constant changes in strength and connectivity, the immune component is perfectly suited for the regulatory task as it is in constant turnover. Many cellular and molecular players in this interaction remain to be uncovered, especially in pathological states. In this review, we discuss and propose possible communication hubs between components of the adaptive and innate immune systems and the synaptic element in ischemic stroke pathology.
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Affiliation(s)
- Lynn Bitar
- Neurology Department, Experimental Research in Stroke and Inflammation (ERSI) Group, University Medical Center Hamburg-Eppendorf (UKE), Martinistraße, 52, Hamburg, 20246, Germany
| | - Berta Puig
- Neurology Department, Experimental Research in Stroke and Inflammation (ERSI) Group, University Medical Center Hamburg-Eppendorf (UKE), Martinistraße, 52, Hamburg, 20246, Germany
| | - Thomas G Oertner
- Institute for Synaptic Physiology, Center for Molecular Neurobiology (ZMNH), University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Ádám Dénes
- "Momentum" Laboratory of Neuroimmunology, Institute of Experimental Medicine, Budapest, Hungary
| | - Tim Magnus
- Neurology Department, Experimental Research in Stroke and Inflammation (ERSI) Group, University Medical Center Hamburg-Eppendorf (UKE), Martinistraße, 52, Hamburg, 20246, Germany.
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Hu Y, Li X, Hou K, Zhang S, Zhong S, Ding Q, Xi W, Wang Z, Xing J, Bai F, Xu Q. FCER1G as a novel immune-associated blood biomarker in cardiogenic stroke. Heliyon 2024; 10:e33846. [PMID: 39071704 PMCID: PMC11283116 DOI: 10.1016/j.heliyon.2024.e33846] [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: 06/24/2024] [Accepted: 06/27/2024] [Indexed: 07/30/2024] Open
Abstract
Background Cardioembolic stroke (CE) exhibits the highest recurrence rate and mortality rate among all subtypes of cerebral ischemic stroke (CIS), yet its pathogenesis remains uncertain. The immune system plays a pivotal role in the progression of CE. Growing evidence indicates that several immune-associated blood biomarkers may inform the causes of stroke. The study aimed to identify new immune-associated blood biomarkers in patients with CE and create an online predictive tool in distinguishing CE from noncardioembolic stroke (non-CE) in CIS. Methods Gene expression profiles that were publicly available were obtained from the Gene Expression Omnibus (GEO). The identification of differentially expressed genes (DEGs) was conducted using the Limma package. The hub module and hub genes were identified through the application of weighted gene coexpression network analysis (WGCNA). In order to identify potential diagnostic biomarkers for CE, both the random forest (RF) model and least absolute shrinkage and selection operator (LASSO) regression analysis were employed. Concurrently, the CIBERSORT algorithm was employed to evaluate the infiltration of immune cells in CE samples and examine the correlation between the biomarkers and the infiltrating immune cells. The diagnostic gene expression in blood samples was confirmed using qRT-PCR in a self-constructed dataset. Univariate and multiple logistic regression analyses were used to identify the risk factors for CE. Subsequently, the mathematical model of the nomogram was employed via Java's "Spring Boot" framework to develop the corresponding online tool, which was then deployed on a cloud server utilizing "nginx". Results Eleven differentially expressed genes (DEGs) that were upregulated and seven DEGs that were downregulated were identified. Through bioinformatics analysis and clinical sample verification, it was discovered that Fc Fragment of IgE Receptor Ig (FCER1G) could serve as a novel potential blood biomarker for CE. FCER1G, along with other risk factors associated with CE, were utilized to develop a nomogram. The training and validation sets, which consisted of 65 CIS patients, yielded areas under the curve (AUCs) of 0.9722 and 0.9689, respectively. These results indicate a high level of precision in risk delineation by the nomogram. Furthermore, the associated online predictive platform has the potential to serve as a more efficacious and appropriate predictive instrument (https://www.origingenetic.com/CardiogenicStroke-FCER1G) for distinguishing between CE and non-CE. Conclusion Blood biomarker FCER1G has the potential to identify patients who are at a higher risk of cardioembolism and direct the search for occult AF.The utilization of this online tool is anticipated to yield significant implications in terms of distinguishing between CE and non-CE, as well as enhancing the optimization of treatment decision support.
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Affiliation(s)
- Yuanzheng Hu
- Henan Provincial Engineering Laboratory of Insects Bio-Reactor, Nanyang Normal University, Nanyang, 473061, China
| | - Xiangxin Li
- Henan Provincial Key Laboratory of Stroke Prevention and Treatment, Nanyang Central Hospital, Nanyang, 473000, China
| | - Kaiqi Hou
- School of Computer Science and Technology, Nanyang Normal University, Nanyang, 473061, China
| | - Shoudu Zhang
- Henan Provincial Engineering Laboratory of Insects Bio-Reactor, Nanyang Normal University, Nanyang, 473061, China
| | - Siyi Zhong
- Henan Provincial Engineering Laboratory of Insects Bio-Reactor, Nanyang Normal University, Nanyang, 473061, China
| | - Qian Ding
- Henan Provincial Engineering Laboratory of Insects Bio-Reactor, Nanyang Normal University, Nanyang, 473061, China
| | - Wuyang Xi
- Henan Provincial Engineering Laboratory of Insects Bio-Reactor, Nanyang Normal University, Nanyang, 473061, China
| | - Zongqing Wang
- Henan Provincial Engineering Laboratory of Insects Bio-Reactor, Nanyang Normal University, Nanyang, 473061, China
| | - Juan Xing
- Henan Provincial Key Laboratory of Stroke Prevention and Treatment, Nanyang Central Hospital, Nanyang, 473000, China
| | - Fanghui Bai
- Henan Provincial Key Laboratory of Stroke Prevention and Treatment, Nanyang Central Hospital, Nanyang, 473000, China
| | - Qian Xu
- Henan Provincial Engineering Laboratory of Insects Bio-Reactor, Nanyang Normal University, Nanyang, 473061, China
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Qin L, Li S, Cao X, Huang T, Liu Y, Chen O. Potential diagnostic biomarkers for immunogenic cell death in elderly female patients with ischemic stroke: identification and analysis. Sci Rep 2024; 14:14553. [PMID: 38914792 PMCID: PMC11196739 DOI: 10.1038/s41598-024-65390-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Accepted: 06/19/2024] [Indexed: 06/26/2024] Open
Abstract
Ischemic stroke (IS) is of increasing concern given the aging population and prevalence of unhealthy lifestyles, with older females exhibiting higher susceptibility. This study aimed to identify practical diagnostic markers, develop a diagnostic model for immunogenic cell death (ICD)-associated IS, and investigate alterations in the immune environment caused by hub genes. Differentially expressed genes associated with ICD in IS were identified based on weighted gene co-expression network analysis and the identification of significant modules. Subsequently, machine learning algorithms were employed to screened hub genes, which were further assessed using Gene Ontology, Kyoto Encyclopedia of Genes and Genomes, and Gene Set Enrichment Analysis. A nomogram mode lwas then constructed for IS diagnosis, and its diagnostic value was assessed using a receiver operating characteristic curve. Finally, alterations in immune cell infiltration were assessed within patients with IS, and the pan-cancer expression patterns of hub genes were evaluated. Three hub genes associated with ICD (PDK4, CCL20, and FBL) were identified. The corresponding nomogram model for IS diagnosis could effectively identify older female patients with IS (area under the curve (AUC) = 0.9555). Overall, the three hub genes exhibit good diagnostic value (AUC > 0.8). CCL20 and FBL are significantly associated with the extent of immune cells infiltration. Moreover, a strong link exists between hub gene expression and pan-cancer prognosis. Cumulatively, these results indicate that ICD-related hub genes critically influence IS progression in older females, presenting novel diagnostic and therapeutic targets for personalized treatment.
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Affiliation(s)
- Lihua Qin
- School of Nursing, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China
- Key Laboratory of Hunan Province for Prevention and Treatment of Integrated Traditional Chinese and Western Medicine On Cardiocerebral Diseases, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China
| | - Sheng Li
- Key Laboratory of Hunan Province for Prevention and Treatment of Integrated Traditional Chinese and Western Medicine On Cardiocerebral Diseases, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China
| | - Xi Cao
- School of Nursing, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China
| | - Tengjia Huang
- School of Nursing, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China
| | - Yixin Liu
- School of Nursing, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China
| | - Ouying Chen
- School of Nursing, Hunan University of Chinese Medicine, Changsha, 410208, Hunan, People's Republic of China.
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Shang Y, Zheng L, Du Y, Shang T, Liu X, Zou W. Role of Regulatory T Cells in Intracerebral Hemorrhage. Mol Neurobiol 2024:10.1007/s12035-024-04281-7. [PMID: 38877366 DOI: 10.1007/s12035-024-04281-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 06/03/2024] [Indexed: 06/16/2024]
Abstract
Intracerebral hemorrhage (ICH) is a common cerebrovascular disease that can lead to severe neurological dysfunction in surviving patients, resulting in a heavy burden on patients and their families. When ICH occurs, the blood‒brain barrier is disrupted, thereby promoting immune cell migration into damaged brain tissue. As important immunosuppressive T cells, regulatory T (Treg) cells are involved in the maintenance of immune homeostasis and the suppression of immune responses after ICH. Treg cells mitigate brain tissue damage after ICH in a variety of ways, such as inhibiting the neuroinflammatory response, protecting against blood‒brain barrier damage, reducing oxidative stress damage and promoting nerve repair. In this review, we discuss the changes in Treg cells in ICH clinical patients and experimental animals, the mechanisms by which Treg cells regulate ICH and treatments targeting Treg cells in ICH, aiming to support new therapeutic strategies for clinical treatment.
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Affiliation(s)
- Yaxin Shang
- The Graduate School, Heilongjiang University of Chinese Medicine, Harbin, 150000, Heilongjiang, People's Republic of China
| | - Lei Zheng
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, 150000, Heilongjiang, People's Republic of China
- Molecular Biology Laboratory of Clinical Integrated of Traditional Chinese and Western Medicine of Heilong Jiang Province, Heilongjiang University of Chinese Medicine, Harbin, 150000, Heilongjiang, People's Republic of China
| | - Yunpeng Du
- The Graduate School, Heilongjiang University of Chinese Medicine, Harbin, 150000, Heilongjiang, People's Republic of China
| | - Tong Shang
- The Graduate School, Heilongjiang University of Chinese Medicine, Harbin, 150000, Heilongjiang, People's Republic of China
| | - Xueting Liu
- The Graduate School, Heilongjiang University of Chinese Medicine, Harbin, 150000, Heilongjiang, People's Republic of China
| | - Wei Zou
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, 150000, Heilongjiang, People's Republic of China.
- Molecular Biology Laboratory of Clinical Integrated of Traditional Chinese and Western Medicine of Heilong Jiang Province, Heilongjiang University of Chinese Medicine, Harbin, 150000, Heilongjiang, People's Republic of China.
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Li Y, Huang M, Wang M, Wang Y, Deng P, Li C, Huang J, Chen H, Wei Z, Ouyang Q, Zhao J, Lu Y, Su S. Tumor cells impair immunological synapse formation via central nervous system-enriched metabolite. Cancer Cell 2024; 42:985-1002.e18. [PMID: 38821061 DOI: 10.1016/j.ccell.2024.05.006] [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: 07/04/2023] [Revised: 02/22/2024] [Accepted: 05/06/2024] [Indexed: 06/02/2024]
Abstract
Tumors employ various strategies to evade immune surveillance. Central nervous system (CNS) has multiple features to restrain immune response. Whether tumors and CNS share similar programs of immunosuppression is elusive. Here, we analyze multi-omics data of tumors from HER2+ breast cancer patients receiving trastuzumab and anti-PD-L1 antibody and find that CNS-enriched N-acetyltransferase 8-like (NAT8L) and its metabolite N-acetylaspartate (NAA) are overexpressed in resistant tumors. In CNS, NAA is released during brain inflammation. NAT8L attenuates brain inflammation and impairs anti-tumor immunity by inhibiting cytotoxicity of natural killer (NK) cells and CD8+ T cells via NAA. NAA disrupts the formation of immunological synapse by promoting PCAF-induced acetylation of lamin A-K542, which inhibits the integration between lamin A and SUN2 and impairs polarization of lytic granules. We uncover that tumor cells mimic the anti-inflammatory mechanism of CNS to evade anti-tumor immunity and NAT8L is a potential target to enhance efficacy of anti-cancer agents.
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Affiliation(s)
- Yihong Li
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Min Huang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Minger Wang
- School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yi Wang
- School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Peng Deng
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Chunni Li
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Jingying Huang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Hui Chen
- Guangdong Provincial Key Laboratory of Liver Disease Research the Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510630, China
| | - Zhihao Wei
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Qian Ouyang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Jinghua Zhao
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Yiwen Lu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China.
| | - Shicheng Su
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China; Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; Department of Immunology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou 510080, China; Biotherapy Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China.
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Lu K, Ni W, Yue J, Cheng Y, Du J, Li Y, Tong X, Chen GB, Wang Y. Flow cytometry-based peripheral blood analysis as an easily friendly tool for prognostic monitoring of acute ischemic stroke: a multicenter study. Front Immunol 2024; 15:1402724. [PMID: 38835783 PMCID: PMC11148238 DOI: 10.3389/fimmu.2024.1402724] [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: 03/18/2024] [Accepted: 05/03/2024] [Indexed: 06/06/2024] Open
Abstract
Background and objective Acute ischemic stroke (AIS) is a leading cause of mortality, severe neurological and long-term disability world-wide. Blood-based indicators may provide valuable information on identified prognostic factors. However, currently, there is still a lack of peripheral blood indicators for the prognosis of AIS. We aimed to identify the most promising prognostic indicators and establish prognostic models for AIS. Methods 484 subjects enrolled from four centers were analyzed immunophenotypic indicators of peripheral blood by flow cytometry. Least absolute shrinkage and selection operator (LASSO) regression was applied to minimize the potential collinearity and over-fitting of variables measured from the same subject and over-fitting of variables. Univariate and multivariable Cox survival analysis of differences between and within cohorts was performed by log-rank test. The areas under the receiving operating characteristic (ROC) curves were used to evaluate the selection accuracy of immunophenotypic indicators in identifying AIS subjects with survival risk. The prognostic model was constructed using a multivariate Cox model, consisting of 402 subjects as a training cohort and 82 subjects as a testing cohort. Results In the prospective study, 7 immunophenotypic indicators of distinct significance were screened out of 72 peripheral blood immunophenotypic indicators by LASSO. In multivariate cox regression, CTL (%) [HR: 1.18, 95% CI: 1.03-1.33], monocytes/μl [HR: 1.13, 95% CI: 1.05-1.21], non-classical monocytes/μl [HR: 1.09, 95% CI: 1.02-1.16] and CD56high NK cells/μl [HR: 1.13, 95% CI: 1.05-1.21] were detected to decrease the survival probability of AIS, while Tregs/μl [HR:0.97, 95% CI: 0.95-0.99, p=0.004], BM/μl [HR:0.90, 95% CI: 0.85-0.95, p=0.023] and CD16+NK cells/μl [HR:0.93, 95% CI: 0.88-0.98, p=0.034] may have the protective effect. As for indicators' discriminative ability, the AUC for CD56highNK cells/μl attained the highest of 0.912. In stratification analysis, the survival probability for AIS subjects with a higher level of Tregs/μl, BM/μl, CD16+NK cells/μl, or lower levels of CD56highNK cells/μl, CTL (%), non-classical monocytes/μl, Monocytes/μl were more likely to survive after AIS. The multivariate Cox model showed an area under the curve (AUC) of 0.805, 0.781 and 0.819 and 0.961, 0.924 and 0.982 in the training and testing cohort, respectively. Conclusion Our study identified 7 immunophenotypic indicators in peripheral blood may have great clinical significance in monitoring the prognosis of AIS and provide a convenient and valuable predictive model for AIS.
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Affiliation(s)
- Kang Lu
- Department of Medical Laboratory Medicine, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
| | - Wanmao Ni
- Clinical Research Institute, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Juanqing Yue
- Department of Pathology, Affiliated Hangzhou First People’s Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang, China
| | - Yongran Cheng
- School of Public Health, Hangzhou Medical College, Hangzhou, China
| | - Jing Du
- Laboratory Medicine Center, Department of Laboratory Medicine, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Yanchun Li
- Clinical Research Center, Affiliated Hangzhou First People’s Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang, China
| | - Xiangmin Tong
- Department of Hematology, Affiliated Hangzhou First People’s Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang, China
| | - Guo-Bo Chen
- Clinical Research Institute, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Ying Wang
- Clinical Research Center, Affiliated Hangzhou First People’s Hospital, School of Medicine, Westlake University, Hangzhou, Zhejiang, China
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Chen Q, Wu M, Tang Q, Yan P, Zhu L. Age-Related Alterations in Immune Function and Inflammation: Focus on Ischemic Stroke. Aging Dis 2024; 15:1046-1074. [PMID: 37728582 PMCID: PMC11081165 DOI: 10.14336/ad.2023.0721-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 07/21/2023] [Indexed: 09/21/2023] Open
Abstract
The aging of the global population poses significant scientific challenges. Moreover, the biological process of aging is the most significant risk factor for most chronic illnesses; therefore, understanding the molecular and cellular mechanisms underlying these aging-related challenges is crucial for extending the healthy lifespan of older individuals. Preventing brain aging remains a priority public health goal, and integrative and comprehensive aging analyses have revealed that immunosenescence is a potential cause of age-related brain damage and disease (e.g., stroke). Importantly, the neuroinflammatory and immune systems present two-way contact and thus can affect each other. Emerging evidence supports the numerous effects of immunosenescence- and inflammation-mediated immunity in neurologically injured brains. In this study, we briefly outline how aging alters the pathophysiology and transcriptional amplitude in patients who experienced stroke and then discuss how the immune system and its cellular components and molecular mechanisms are affected by age after stroke. Finally, we highlight emerging interventions with the potential to slow down or reduce aging and prevent stroke onset.
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Affiliation(s)
- Qiuxin Chen
- The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Minmin Wu
- Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Qiang Tang
- The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin 150000, China
| | - Peiyu Yan
- Faculty of Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Macau 999078, China
| | - Luwen Zhu
- The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin 150000, China
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Fu TC, Wang GR, Li YX, Xu ZF, Wang C, Zhang RC, Ma QT, Ma YJ, Guo Y, Dai XY, Guo Y. Mobilizing endogenous neuroprotection: the mechanism of the protective effect of acupuncture on the brain after stroke. Front Neurosci 2024; 18:1181670. [PMID: 38737099 PMCID: PMC11084281 DOI: 10.3389/fnins.2024.1181670] [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: 03/07/2023] [Accepted: 04/04/2024] [Indexed: 05/14/2024] Open
Abstract
Given its high morbidity, disability, and mortality rates, ischemic stroke (IS) is a severe disease posing a substantial public health threat. Although early thrombolytic therapy is effective in IS treatment, the limited time frame for its administration presents a formidable challenge. Upon occurrence, IS triggers an ischemic cascade response, inducing the brain to generate endogenous protective mechanisms against excitotoxicity and inflammation, among other pathological processes. Stroke patients often experience limited recovery stages. As a result, activating their innate self-protective capacity [endogenous brain protection (EBP)] is essential for neurological function recovery. Acupuncture has exhibited clinical efficacy in cerebral ischemic stroke (CIS) treatment by promoting the human body's self-preservation and "Zheng Qi" (a term in traditional Chinese medicine (TCM) describing positive capabilities such as self-immunity, self-recovery, and disease prevention). According to research, acupuncture can modulate astrocyte activity, decrease oxidative stress (OS), and protect neurons by inhibiting excitotoxicity, inflammation, and apoptosis via activating endogenous protective mechanisms within the brain. Furthermore, acupuncture was found to modulate microglia transformation, thereby reducing inflammation and autoimmune responses, as well as promoting blood flow restoration by regulating the vasculature or the blood-brain barrier (BBB). However, the precise mechanism underlying these processes remains unclear. Consequently, this review aims to shed light on the potential acupuncture-induced endogenous neuroprotective mechanisms by critically examining experimental evidence on the preventive and therapeutic effects exerted by acupuncture on CIS. This review offers a theoretical foundation for acupuncture-based stroke treatment.
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Affiliation(s)
- Tian-cong Fu
- Tianjin Key Laboratory of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Guan-ran Wang
- Tianjin Key Laboratory of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Yu-xuan Li
- Tianjin Key Laboratory of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Zhi-fang Xu
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Research Center of Experimental Acupuncture Science, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Can Wang
- Tianjin Key Laboratory of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Run-chen Zhang
- Tianjin Key Laboratory of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Qing-tao Ma
- Tianjin Key Laboratory of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Ya-jing Ma
- Tianjin Key Laboratory of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Yi Guo
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- Research Center of Experimental Acupuncture Science, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiao-yu Dai
- Tianjin Key Laboratory of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
| | - Yang Guo
- Tianjin Key Laboratory of Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
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Zhang J, Chen Z, Chen Q. Advanced Nano-Drug Delivery Systems in the Treatment of Ischemic Stroke. Molecules 2024; 29:1848. [PMID: 38675668 PMCID: PMC11054753 DOI: 10.3390/molecules29081848] [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: 03/04/2024] [Revised: 04/12/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
In recent years, the frequency of strokes has been on the rise year by year and has become the second leading cause of death around the world, which is characterized by a high mortality rate, high recurrence rate, and high disability rate. Ischemic strokes account for a large percentage of strokes. A reperfusion injury in ischemic strokes is a complex cascade of oxidative stress, neuroinflammation, immune infiltration, and mitochondrial damage. Conventional treatments are ineffective, and the presence of the blood-brain barrier (BBB) leads to inefficient drug delivery utilization, so researchers are turning their attention to nano-drug delivery systems. Functionalized nano-drug delivery systems have been widely studied and applied to the study of cerebral ischemic diseases due to their favorable biocompatibility, high efficiency, strong specificity, and specific targeting ability. In this paper, we briefly describe the pathological process of reperfusion injuries in strokes and focus on the therapeutic research progress of nano-drug delivery systems in ischemic strokes, aiming to provide certain references to understand the progress of research on nano-drug delivery systems (NDDSs).
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Affiliation(s)
- Jiajie Zhang
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (J.Z.); (Z.C.)
| | - Zhong Chen
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (J.Z.); (Z.C.)
| | - Qi Chen
- Interdisciplinary Institute for Medical Engineering, Fuzhou University, Fuzhou 350108, China
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10
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Zhang SS, Li RQ, Chen Z, Wang XY, Dumont AS, Fan X. Immune cells: potential carriers or agents for drug delivery to the central nervous system. Mil Med Res 2024; 11:19. [PMID: 38549161 PMCID: PMC10979586 DOI: 10.1186/s40779-024-00521-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 03/05/2024] [Indexed: 04/01/2024] Open
Abstract
Drug delivery systems (DDS) have recently emerged as a promising approach for the unique advantages of drug protection and targeted delivery. However, the access of nanoparticles/drugs to the central nervous system (CNS) remains a challenge mainly due to the obstruction from brain barriers. Immune cells infiltrating the CNS in the pathological state have inspired the development of strategies for CNS foundation drug delivery. Herein, we outline the three major brain barriers in the CNS and the mechanisms by which immune cells migrate across the blood-brain barrier. We subsequently review biomimetic strategies utilizing immune cell-based nanoparticles for the delivery of nanoparticles/drugs to the CNS, as well as recent progress in rationally engineering immune cell-based DDS for CNS diseases. Finally, we discuss the challenges and opportunities of immune cell-based DDS in CNS diseases to promote their clinical development.
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Affiliation(s)
- Shan-Shan Zhang
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, No. 548 Binwen Road, Binjiang District, Hangzhou, 310053, China
| | - Ruo-Qi Li
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, No. 548 Binwen Road, Binjiang District, Hangzhou, 310053, China
| | - Zhong Chen
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, No. 548 Binwen Road, Binjiang District, Hangzhou, 310053, China
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China
| | - Xiao-Ying Wang
- Clinical Neuroscience Research Center, Department of Neurosurgery and Neurology, Tulane University School of Medicine, New Orleans, LA, 70122, USA
| | - Aaron S Dumont
- Clinical Neuroscience Research Center, Department of Neurosurgery and Neurology, Tulane University School of Medicine, New Orleans, LA, 70122, USA.
| | - Xiang Fan
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, No. 548 Binwen Road, Binjiang District, Hangzhou, 310053, China.
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
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11
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Zong P, Feng J, Li CX, Jellison ER, Yue Z, Miller B, Yue L. Activation of endothelial TRPM2 exacerbates blood-brain barrier degradation in ischemic stroke. Cardiovasc Res 2024; 120:188-202. [PMID: 37595268 PMCID: PMC10936752 DOI: 10.1093/cvr/cvad126] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 03/23/2023] [Accepted: 05/23/2023] [Indexed: 08/20/2023] Open
Abstract
AIMS Damage of the blood-brain barrier (BBB) is a hallmark of brain injury during the early stages of ischemic stroke. The subsequent endothelial hyperpermeability drives the initial pathological changes and aggravates neuronal death. Transient receptor potential melastatin 2 (TRPM2) is a Ca2+-permeable nonselective cation channel activated by oxidative stress. However, whether TRPM2 is involved in BBB degradation during ischemic stroke remains unknown. We aimed to investigate the role of TRPM2 in BBB degradation during ischemic stroke and the underlying molecular mechanisms. METHODS AND RESULTS Specific deletion of Trpm2 in endothelial cells using Cdh5 Cre produces a potent protective effect against brain injury in mice subjected to middle cerebral artery occlusion (MCAO), which is characterized by reduced infarction size, mitigated plasma extravasation, suppressed immune cell invasion, and inhibited oxidative stress. In vitro experiments using cultured cerebral endothelial cells (CECs) demonstrated that either Trpm2 deletion or inhibition of TRPM2 activation attenuates oxidative stress, Ca2+ overload, and endothelial hyperpermeability induced by oxygen-glucose deprivation (OGD) and CD36 ligand thrombospondin-1 (TSP1). In transfected HEK293T cells, OGD and TSP1 activate TRPM2 in a CD36-dependent manner. Noticeably, in cultured CECs, deleting Trpm2 or inhibiting TRPM2 activation also suppresses the activation of CD36 and cellular dysfunction induced by OGD or TSP1. CONCLUSIONS In conclusion, our data reveal a novel molecular mechanism in which TRPM2 and CD36 promote the activation of each other, which exacerbates endothelial dysfunction during ischemic stroke. Our study suggests that TRPM2 in endothelial cells is a promising target for developing more effective and safer therapies for ischemic stroke.
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Affiliation(s)
- Pengyu Zong
- Department of Cell Biology, Calhoun Cardiology Center, University of Connecticut School of Medicine (UConn Health), 263 Farmington Ave, Farmington, CT 06030, USA
- Department of Neuroscience, University of Connecticut School of Medicine (UConn Health), 263 Farmington Ave, Farmington, CT 06030, USA
| | - Jianlin Feng
- Department of Cell Biology, Calhoun Cardiology Center, University of Connecticut School of Medicine (UConn Health), 263 Farmington Ave, Farmington, CT 06030, USA
| | - Cindy X Li
- Department of Cell Biology, Calhoun Cardiology Center, University of Connecticut School of Medicine (UConn Health), 263 Farmington Ave, Farmington, CT 06030, USA
| | - Evan R Jellison
- Department of Immunology, University of Connecticut School of Medicine (UConn Health), 263 Farmington Ave, Farmington, CT 06030, USA
| | - Zhichao Yue
- Department of Cell Biology, Calhoun Cardiology Center, University of Connecticut School of Medicine (UConn Health), 263 Farmington Ave, Farmington, CT 06030, USA
| | - Barbara Miller
- Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, 500 University Drive, Hershey, PA 17033, USA
| | - Lixia Yue
- Department of Cell Biology, Calhoun Cardiology Center, University of Connecticut School of Medicine (UConn Health), 263 Farmington Ave, Farmington, CT 06030, USA
- Department of Neuroscience, University of Connecticut School of Medicine (UConn Health), 263 Farmington Ave, Farmington, CT 06030, USA
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12
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Ruiz-Fernández I, Sánchez-Díaz R, Ortega-Sollero E, Martín P. Update on the role of T cells in cognitive impairment. Br J Pharmacol 2024; 181:799-815. [PMID: 37559406 DOI: 10.1111/bph.16214] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 07/03/2023] [Accepted: 08/03/2023] [Indexed: 08/11/2023] Open
Abstract
The central nervous system (CNS) has long been considered an immune-privileged site, with minimal interaction between immune cells, particularly of the adaptive immune system. Previously, the presence of immune cells in this organ was primarily linked to events involving disruption of the blood-brain barrier (BBB) or inflammation. However, current research has shown that immune cells are found patrolling CNS under homeostatic conditions. Specifically, T cells of the adaptive immune system are able to cross the BBB and are associated with ageing and cognitive impairment. In addition, T-cell infiltration has been observed in pathological conditions, where inflammation correlates with poor prognosis. Despite ongoing research, the role of this population in the ageing brain under both physiological and pathological conditions is not yet fully understood. In this review, we provide an overview of the interactions between T cells and other immune and CNS parenchymal cells, and examine the molecular mechanisms by which these interactions may contribute to normal brain function and the scenarios in which disruption of these connections lead to cognitive impairment. A comprehensive understanding of the role of T cells in the ageing brain and the underlying molecular pathways under normal conditions could pave the way for new research to better understand brain disorders. LINKED ARTICLES: This article is part of a themed issue From Alzheimer's Disease to Vascular Dementia: Different Roads Leading to Cognitive Decline. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v181.6/issuetoc.
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Affiliation(s)
| | - Raquel Sánchez-Díaz
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
- CIBER de Enfermedades Cardiovasculares (CIBER-CV), Madrid, Spain
| | | | - Pilar Martín
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
- CIBER de Enfermedades Cardiovasculares (CIBER-CV), Madrid, Spain
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13
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Kveštak D, Mihalić A, Jonjić S, Brizić I. Innate lymphoid cells in neuroinflammation. Front Cell Neurosci 2024; 18:1364485. [PMID: 38450285 PMCID: PMC10915051 DOI: 10.3389/fncel.2024.1364485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 02/09/2024] [Indexed: 03/08/2024] Open
Abstract
Innate lymphoid cells (ILCs) are largely tissue-resident cells that participate in the maintenance of tissue homeostasis and react early to inflammatory events. Mature ILCs are divided into three major groups based on the transcription factors required for their development and function. Under physiological conditions, ILCs are present within the choroid plexus and meninges while the CNS parenchyma is almost devoid of these cells. However, pathological conditions such as autoimmune neuroinflammation and viral infections of the CNS result in the infiltration of ILCs into parenchyma. In this article, we provide an overview of the involvement and function of the ILCs within the CNS during physiological conditions and in infections, autoimmune diseases, neurodegeneration, and injury.
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Affiliation(s)
- Daria Kveštak
- Center for Proteomics, Faculty of Medicine, University of Rijeka, Rijeka, Croatia
| | - Andrea Mihalić
- Center for Proteomics, Faculty of Medicine, University of Rijeka, Rijeka, Croatia
| | - Stipan Jonjić
- Center for Proteomics, Faculty of Medicine, University of Rijeka, Rijeka, Croatia
- Department of Biomedical Sciences, Croatian Academy of Sciences and Arts, Rijeka, Croatia
| | - Ilija Brizić
- Center for Proteomics, Faculty of Medicine, University of Rijeka, Rijeka, Croatia
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14
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Ning Z, Liu Y, Guo D, Lin WJ, Tang Y. Natural killer cells in the central nervous system. Cell Commun Signal 2023; 21:341. [PMID: 38031097 PMCID: PMC10685650 DOI: 10.1186/s12964-023-01324-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/17/2023] [Indexed: 12/01/2023] Open
Abstract
Natural killer (NK) cells are essential components of the innate lymphoid cell family that work as both cytotoxic effectors and immune regulators. Accumulating evidence points to interactions between NK cells and the central nervous system (CNS). Here, we review the basic knowledge of NK cell biology and recent advances in their roles in the healthy CNS and pathological conditions, with a focus on normal aging, CNS autoimmune diseases, neurodegenerative diseases, cerebrovascular diseases, and CNS infections. We highlight the crosstalk between NK cells and diverse cell types in the CNS and the potential value of NK cells as novel therapeutic targets for CNS diseases. Video Abstract.
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Affiliation(s)
- Zhiyuan Ning
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Brain Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Ying Liu
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Brain Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Daji Guo
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Brain Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
| | - Wei-Jye Lin
- Brain Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China
- Guangdong Province Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China
- Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan, 528200, China
| | - Yamei Tang
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China.
- Brain Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China.
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, China.
- Guangdong Province Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, 510080, China.
- Nanhai Translational Innovation Center of Precision Immunology, Sun Yat-Sen Memorial Hospital, Foshan, 528200, China.
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15
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Wang Y, Liu W, Geng P, Du W, Guo C, Wang Q, Zheng GQ, Jin X. Role of Crosstalk between Glial Cells and Immune Cells in Blood-Brain Barrier Damage and Protection after Acute Ischemic Stroke. Aging Dis 2023:AD.2023.1010. [PMID: 37962453 DOI: 10.14336/ad.2023.1010] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 10/10/2023] [Indexed: 11/15/2023] Open
Abstract
Blood-brain barrier (BBB) damage is the main pathological basis for acute ischemic stroke (AIS)-induced cerebral vasogenic edema and hemorrhagic transformation (HT). Glial cells, including microglia, astrocytes, and oligodendrocyte precursor cells (OPCs)/oligodendrocytes (OLs) play critical roles in BBB damage and protection. Recent evidence indicates that immune cells also have an important role in BBB damage, vasogenic edema and HT. Therefore, regulating the crosstalk between glial cells and immune cells would hold the promise to alleviate AIS-induced BBB damage. In this review, we first introduce the roles of glia cells, pericytes, and crosstalk between glial cells in the damage and protection of BBB after AIS, emphasizing the polarization, inflammatory response and crosstalk between microglia, astrocytes, and other glia cells. We then describe the role of glial cell-derived exosomes in the damage and protection of BBB after AIS. Next, we specifically discuss the crosstalk between glial cells and immune cells after AIS. Finally, we propose that glial cells could be a potential target for alleviating BBB damage after AIS and we discuss some molecular targets and potential strategies to alleviate BBB damage by regulating glial cells after AIS.
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Affiliation(s)
- Yihui Wang
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Histology and Embryology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, 100069, China
| | - Wencao Liu
- Shanxi Provincial People's Hospital, Taiyuan 030001, China
| | - Panpan Geng
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Histology and Embryology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, 100069, China
| | - Weihong Du
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Histology and Embryology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, 100069, China
| | - Chun Guo
- School of Biosciences, University of Sheffield, Firth Court, Western Bank, Sheffield, UK
| | - Qian Wang
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Histology and Embryology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, 100069, China
| | - Guo-Qing Zheng
- Department of Neurology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China
| | - Xinchun Jin
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Histology and Embryology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, 100069, China
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16
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Qin R, Huang L, Xu W, Qin Q, Liang X, Lai X, Huang X, Xie M, Chen L. Identification of disulfidptosis-related genes and analysis of immune infiltration characteristics in ischemic strokes. MATHEMATICAL BIOSCIENCES AND ENGINEERING : MBE 2023; 20:18939-18959. [PMID: 38052584 DOI: 10.3934/mbe.2023838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Immune infiltration plays a pivotal role in the pathogenesis of ischemic stroke. A novel form of cell death known as disulfidptosis has emerged in recent studies. However, there is currently a lack of research investigating the regulatory mechanism of disulfidptosis-related genes in immune infiltration during ischemic stroke. Using machine learning methods, we identified candidate key disulfidptosis-related genes (DRGs). Subsequently, we performed an analysis of immune cell infiltration to investigate the dysregulation of immune cells in the context of ischemic stroke. We assessed their diagnostic value by employing receiver operating characteristic (ROC) curves. To gain further insights, we conducted functional enrichment analyses to elucidate the signaling pathways associated with these seven DRGs. We identified two distinct subclusters based on the expression patterns of these seven DRGs. The unique roles of these subclusters were further evaluated through KEGG analysis and immune infiltration studies. Furthermore, we validated the expression profiles of these seven DRGs using both single-cell datasets and external datasets. Lastly, molecular docking was performed to explore potential drugs for the treatment of ischemic stroke. We identified seven DRGs. The seven DRGs are related to immune cells. Additionally, these seven DRGs also demonstrate potential diagnostic value in ischemic stroke. Functional enrichment analysis highlighted pathways such as platelet aggregation and platelet activation. Two subclusters related to disulfidptosis were defined, and functional enrichment analysis of their differentially expressed genes (DEGs) primarily involved pathways like cytokine-cytokine receptor interaction. Single-cell analysis indicated that these seven DRGs were primarily distributed among immune cell types. Molecular docking results suggested that genistein might be a potential therapeutic drug. This study has opened up new avenues for exploring the causes of ischemic stroke and developing potential therapeutic targets.
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Affiliation(s)
- Rongxing Qin
- Department of Neurology, the First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
| | - Lijuan Huang
- Department of Neurology, the First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
- State Key Laboratory of Targeting Oncology, National Center for International Research of Biotargeting Theranostics, Guangxi Key Laboratory of Biotargeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning 530021, China
| | - Wei Xu
- Department of Neurology, the First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
- State Key Laboratory of Targeting Oncology, National Center for International Research of Biotargeting Theranostics, Guangxi Key Laboratory of Biotargeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning 530021, China
| | - Qingchun Qin
- Department of Neurology, the First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
- State Key Laboratory of Targeting Oncology, National Center for International Research of Biotargeting Theranostics, Guangxi Key Laboratory of Biotargeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning 530021, China
| | - Xiaojun Liang
- Department of Neurology, the First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
| | - Xinyu Lai
- Department of Neurology, the First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
| | - Xiaoying Huang
- Department of Neurology, the First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
| | - Minshan Xie
- Department of Neurology, the First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
| | - Li Chen
- Department of Neurology, the First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
- State Key Laboratory of Targeting Oncology, National Center for International Research of Biotargeting Theranostics, Guangxi Key Laboratory of Biotargeting Theranostics, Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning 530021, China
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17
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Zhang A, Liu Y, Wang X, Xu H, Fang C, Yuan L, Wang K, Zheng J, Qi Y, Chen S, Zhang J, Shao A. Clinical Potential of Immunotherapies in Subarachnoid Hemorrhage Treatment: Mechanistic Dissection of Innate and Adaptive Immune Responses. Aging Dis 2023; 14:1533-1554. [PMID: 37196120 PMCID: PMC10529760 DOI: 10.14336/ad.2023.0126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 01/26/2023] [Indexed: 05/19/2023] Open
Abstract
Subarachnoid hemorrhage (SAH), classified as a medical emergency, is a devastating and severe subtype of stroke. SAH induces an immune response, which further triggers brain injury; however, the underlying mechanisms need to be further elucidated. The current research is predominantly focused on the production of specific subtypes of immune cells, especially innate immune cells, post-SAH onset. Increasing evidence suggests the critical role of immune responses in SAH pathophysiology; however, studies on the role and clinical significance of adaptive immunity post-SAH are limited. In this present study, we briefly review the mechanistic dissection of innate and adaptive immune responses post-SAH. Additionally, we summarized the experimental studies and clinical trials of immunotherapies for SAH treatment, which may form the basis for the development of improved therapeutic approaches for the clinical management of SAH in the future.
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Affiliation(s)
- Anke Zhang
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, China.
- Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, Zhejiang, China.
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China.
| | - Yibo Liu
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, China.
- Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, Zhejiang, China.
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China.
| | - Xiaoyu Wang
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, China.
- Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, Zhejiang, China.
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China.
| | - Houshi Xu
- Department of Neurosurgery, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
| | - Chaoyou Fang
- Department of Neurosurgery, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
| | - Ling Yuan
- Department of Neurosurgery, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
| | - KaiKai Wang
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, China.
- Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, Zhejiang, China.
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China.
| | - Jingwei Zheng
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, China.
- Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, Zhejiang, China.
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China.
| | - Yangjian Qi
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, China.
- Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, Zhejiang, China.
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China.
| | - Sheng Chen
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, China.
- Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, Zhejiang, China.
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China.
| | - Jianmin Zhang
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, China.
- Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, Zhejiang, China.
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China.
| | - Anwen Shao
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, China.
- Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, Zhejiang, China.
- Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China.
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18
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Zheng P, Xiu Y, Chen Z, Yuan M, Li Y, Wang N, Zhang B, Zhao X, Li M, Liu Q, Shi FD, Jin WN. Group 2 innate lymphoid cells resolve neuroinflammation following cerebral ischaemia. Stroke Vasc Neurol 2023; 8:424-434. [PMID: 37072337 PMCID: PMC10647866 DOI: 10.1136/svn-2022-001919] [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: 08/09/2022] [Accepted: 03/02/2023] [Indexed: 04/20/2023] Open
Abstract
BACKGROUND Acute brain ischaemia elicits pronounced inflammation, which aggravates neural injury. However, the mechanisms governing the resolution of acute neuroinflammation remain poorly understood. In contrast to regulatory T and B cells, group 2 innate lymphoid cells (ILC2s) are immunoregulatory cells that can be swiftly mobilised without antigen presentation; whether and how these ILC2s participate in central nervous system inflammation following brain ischaemia is still unknown. METHODS Leveraging brain tissues from patients who had an ischaemic stroke and a mouse model of focal ischaemia, we characterised the presence and cytokine release of brain-infiltrating ILC2s. The impact of ILC2s on neural injury was evaluated through antibody depletion and ILC2 adoptive transfer experiments. Using Rag2-/-γc-/- mice receiving passive transfer of IL-4-/- ILC2s, we further assessed the contribution of interleukin (IL)-4, produced by ILC2s, in ischaemic brain injury. RESULTS We demonstrate that ILC2s accumulate in the areas surrounding the infarct in brain tissues of patients with cerebral ischaemia, as well as in mice subjected to focal cerebral ischaemia. Oligodendrocytes were a major source of IL-33, which contributed to ILC2s mobilisation. Adoptive transfer and expansion of ILC2s reduced brain infarction. Importantly, brain-infiltrating ILC2s reduced the magnitude of stroke injury severity through the production of IL-4. CONCLUSIONS Our findings revealed that brain ischaemia mobilises ILC2s to curb neuroinflammation and brain injury, expanding the current understanding of inflammatory networks following stroke.
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Affiliation(s)
- Pei Zheng
- Center for Neurological Diseases, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yuwhen Xiu
- Department of Neurology, Tianjin Medical University General Hospital, Tianjin, China
| | - Zhili Chen
- Department of Neurology, Tianjin Medical University General Hospital, Tianjin, China
| | - Meng Yuan
- Center for Neurological Diseases, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yan Li
- Center for Neurological Diseases, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Ningning Wang
- Center for Neurological Diseases, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Bohao Zhang
- Department of Neurology, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Xin Zhao
- Department of Neurology, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Minshu Li
- Department of Neurology, Tianjin Medical University General Hospital, Tianjin, China
| | - Qiang Liu
- Department of Neurology, Tianjin Medical University General Hospital, Tianjin, China
| | - Fu-Dong Shi
- Center for Neurological Diseases, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Neurology, Tianjin Medical University General Hospital, Tianjin, China
| | - Wei-Na Jin
- Center for Neurological Diseases, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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19
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Fan PL, Wang SS, Chu SF, Chen NH. Time-dependent dual effect of microglia in ischemic stroke. Neurochem Int 2023; 169:105584. [PMID: 37454817 DOI: 10.1016/j.neuint.2023.105584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/18/2023]
Abstract
Stroke, the third leading cause of death and disability worldwide, is classified into ischemic or hemorrhagic, in which approximately 85% of strokes are ischemic. Ischemic stroke occurs as a result of arterial occlusion due to embolus or thrombus, with ischemia in the perfusion territory supplied by the occluded artery. The traditional concept that ischemic stroke is solely a vascular occlusion disorder has been expanded to include the dynamic interaction between microglia, astrocytes, neurons, vascular cells, and matrix components forming the "neurovascular unit." Acute ischemic stroke triggers a wide spectrum of neurovascular disturbances, glial activation, and secondary neuroinflammation that promotes further injury, ultimately resulting in neuronal death. Microglia, as the resident macrophages in the central nervous system, is one of the first responders to ischemic injury and plays a significant role in post-ischemic neuroinflammation. In this review, we reviewed the mechanisms of microglia in multiple stages of post-ischemic neuroinflammation development, including acute, sub-acute and chronic phases of stroke. A comprehensive understanding of the dynamic variation and the time-dependent role of microglia in post-stroke neuroinflammation could aid in the search for more effective therapeutics and diagnostic strategies for ischemic stroke.
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Affiliation(s)
- Ping-Long Fan
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Sha-Sha Wang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Shi-Feng Chu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China.
| | - Nai-Hong Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China.
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20
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Vargas-Rodríguez P, Cuenca-Martagón A, Castillo-González J, Serrano-Martínez I, Luque RM, Delgado M, González-Rey E. Novel Therapeutic Opportunities for Neurodegenerative Diseases with Mesenchymal Stem Cells: The Focus on Modulating the Blood-Brain Barrier. Int J Mol Sci 2023; 24:14117. [PMID: 37762420 PMCID: PMC10531435 DOI: 10.3390/ijms241814117] [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: 08/02/2023] [Revised: 09/08/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
Neurodegenerative disorders encompass a broad spectrum of profoundly disabling situations that impact millions of individuals globally. While their underlying causes and pathophysiology display considerable diversity and remain incompletely understood, a mounting body of evidence indicates that the disruption of blood-brain barrier (BBB) permeability, resulting in brain damage and neuroinflammation, is a common feature among them. Consequently, targeting the BBB has emerged as an innovative therapeutic strategy for addressing neurological disorders. Within this review, we not only explore the neuroprotective, neurotrophic, and immunomodulatory benefits of mesenchymal stem cells (MSCs) in combating neurodegeneration but also delve into their recent role in modulating the BBB. We will investigate the cellular and molecular mechanisms through which MSC treatment impacts primary age-related neurological conditions like Alzheimer's disease, Parkinson's disease, and stroke, as well as immune-mediated diseases such as multiple sclerosis. Our focus will center on how MSCs participate in the modulation of cell transporters, matrix remodeling, stabilization of cell-junction components, and restoration of BBB network integrity in these pathological contexts.
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Affiliation(s)
- Pablo Vargas-Rodríguez
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016 Granada, Spain; (P.V.-R.); (J.C.-G.); (I.S.-M.); (M.D.)
| | - Alejandro Cuenca-Martagón
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Cordoba, Spain; (A.C.-M.); (R.M.L.)
| | - Julia Castillo-González
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016 Granada, Spain; (P.V.-R.); (J.C.-G.); (I.S.-M.); (M.D.)
| | - Ignacio Serrano-Martínez
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016 Granada, Spain; (P.V.-R.); (J.C.-G.); (I.S.-M.); (M.D.)
| | - Raúl M. Luque
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Cordoba, Spain; (A.C.-M.); (R.M.L.)
- Department of Cell Biology, Physiology, and Immunology, University of Cordoba, 14004 Cordoba, Spain
- Reina Sofia University Hospital (HURS), 14004 Cordoba, Spain
- CIBER Physiopathology of Obesity and Nutrition (CIBERobn), 14004 Cordoba, Spain
| | - Mario Delgado
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016 Granada, Spain; (P.V.-R.); (J.C.-G.); (I.S.-M.); (M.D.)
| | - Elena González-Rey
- Institute of Parasitology and Biomedicine Lopez-Neyra (IPBLN), CSIC, PT Salud, 18016 Granada, Spain; (P.V.-R.); (J.C.-G.); (I.S.-M.); (M.D.)
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21
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Zhou Y, Luo Y, Liang H, Zhong P, Wu D. Applicability of the low-grade inflammation score in predicting 90-day functional outcomes after acute ischemic stroke. BMC Neurol 2023; 23:320. [PMID: 37679730 PMCID: PMC10483771 DOI: 10.1186/s12883-023-03365-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 08/17/2023] [Indexed: 09/09/2023] Open
Abstract
BACKGROUND AND PURPOSE The low-grade inflammation (LGI) score, a novel indicator of chronic LGI, combines C-reactive protein (CRP), leukocyte counts, the neutrophil/lymphocyte ratio (NLR), and the platelet (PLT) count to predict outcomes of patients with various conditions, such as cardiovascular diseases, cancers, and neurodegenerative diseases. However, few studies have examined the role of the LGI score in predicting functional outcomes of patients with ischemic stroke. The present study aimed to evaluate the association between the LGI score and functional outcomes of patients with ischemic stroke. METHODS A total of 1,215 patients were screened in the present study, and 876 patients were finally included in this retrospective observational study based on the inclusion and exclusion criteria. Blood tests were conducted within 24 h of admission. Severity of ischemic stroke was assessed using the NIHSS score with severe stroke denoted by NIHSS > 5. Early neurological deterioration (END) was defined as an increment in the total NIHSS score of ≥ 2 points within 7 days after admission. Patient outcomes were assessed on day 90 after stroke onset using the modified Rankin Scale (mRS). RESULTS The LGI score was positively correlated with baseline and the day 7 NIHSS scores (R2 = 0.119, p < 0.001;R2 = 0.123, p < 0.001). Multivariate regression analysis showed that the LGI score was an independent predictor of stroke severity and END. In the crude model, the LGI score in the fourth quartile was associated with a higher risk of poor outcomes on day 90 compared with the LGI score in the first quartile (OR = 5.02, 95% CI: 3.09-8.14, p for trend < 0.001). After adjusting for potential confounders, the LGI score in the fourth quartile was independently associated with poor outcomes on day 90 (OR = 2.65, 95% CI: 1.47-4.76, p for trend = 0.001). Finally, the ROC curve analysis showed an AUC of 0.682 for poor outcomes on day 90 after stroke onset. CONCLUSION The LGI score is strongly correlated with the severity of acute ischemic stroke and that the LGI score might be a good predictor for poor outcomes on day 90 in patients with acute ischemic stroke.
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Affiliation(s)
- Yang Zhou
- Emergency Department, Shaoxing People's Hospital, Shaoxing, Zhejiang Province, China
| | - Yufan Luo
- Department of Neurology, Shanghai Fifth People's Hospital, Fudan University, 801 Heqing Road, Minhang District, Shanghai, 200240, China
| | - Huazheng Liang
- Monash Suzhou Research Institute, Suzhou Industrial Park, Suzhou, Jiangsu Province, China
| | - Ping Zhong
- Department of Neurology, Shanghai Yangpu District Shidong Hospital, 999 Shiguang Road, Yangpu District, Shanghai, 200438, China.
| | - Danhong Wu
- Department of Neurology, Shanghai Fifth People's Hospital, Fudan University, 801 Heqing Road, Minhang District, Shanghai, 200240, China.
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22
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Tamura T, Cheng C, Chen W, Merriam LT, Athar H, Kim YH, Manandhar R, Amir Sheikh MD, Pinilla-Vera M, Varon J, Hou PC, Lawler PR, Oldham WM, Seethala RR, Tesfaigzi Y, Weissman AJ, Baron RM, Ichinose F, Berg KM, Bohula EA, Morrow DA, Chen X, Kim EY. Single-cell transcriptomics reveal a hyperacute cytokine and immune checkpoint axis after cardiac arrest in patients with poor neurological outcome. MED 2023; 4:432-456.e6. [PMID: 37257452 PMCID: PMC10524451 DOI: 10.1016/j.medj.2023.05.003] [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: 05/16/2022] [Revised: 03/06/2023] [Accepted: 05/02/2023] [Indexed: 06/02/2023]
Abstract
BACKGROUND Most patients hospitalized after cardiac arrest (CA) die because of neurological injury. The systemic inflammatory response after CA is associated with neurological injury and mortality but remains poorly defined. METHODS We determine the innate immune network induced by clinical CA at single-cell resolution. FINDINGS Immune cell states diverge as early as 6 h post-CA between patients with good or poor neurological outcomes 30 days after CA. Nectin-2+ monocyte and Tim-3+ natural killer (NK) cell subpopulations are associated with poor outcomes, and interactome analysis highlights their crosstalk via cytokines and immune checkpoints. Ex vivo studies of peripheral blood cells from CA patients demonstrate that immune checkpoints are a compensatory mechanism against inflammation after CA. Interferon γ (IFNγ)/interleukin-10 (IL-10) induced Nectin-2 on monocytes; in a negative feedback loop, Nectin-2 suppresses IFNγ production by NK cells. CONCLUSIONS The initial hours after CA may represent a window for therapeutic intervention in the resolution of inflammation via immune checkpoints. FUNDING This work was supported by funding from the American Heart Association, Brigham and Women's Hospital Department of Medicine, the Evergreen Innovation Fund, and the National Institutes of Health.
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Affiliation(s)
- Tomoyoshi Tamura
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA
| | - Changde Cheng
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Wenan Chen
- Center for Applied Bioinformatics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Louis T Merriam
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Humra Athar
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Yaunghyun H Kim
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Reshmi Manandhar
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA
| | - Muhammad Dawood Amir Sheikh
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Mayra Pinilla-Vera
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Jack Varon
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA
| | - Peter C Hou
- Harvard Medical School, Boston, MA 02115, USA; Division of Emergency Critical Care Medicine, Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Patrick R Lawler
- Peter Munk Cardiac Centre, Toronto General Hospital, Toronto, ON M5G 2N2, Canada; McGill University Health Centre, Montreal, QC H4A 3J1, Canada
| | - William M Oldham
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA
| | - Raghu R Seethala
- Harvard Medical School, Boston, MA 02115, USA; Division of Emergency Critical Care Medicine, Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Yohannes Tesfaigzi
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA
| | - Alexandra J Weissman
- Department of Emergency Medicine, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Rebecca M Baron
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA
| | - Fumito Ichinose
- Harvard Medical School, Boston, MA 02115, USA; Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Katherine M Berg
- Harvard Medical School, Boston, MA 02115, USA; Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
| | - Erin A Bohula
- Harvard Medical School, Boston, MA 02115, USA; Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - David A Morrow
- Harvard Medical School, Boston, MA 02115, USA; Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Xiang Chen
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
| | - Edy Y Kim
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA.
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23
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Kim HW, Wang S, Davies AJ, Oh SB. The therapeutic potential of natural killer cells in neuropathic pain. Trends Neurosci 2023:S0166-2236(23)00133-9. [PMID: 37385878 DOI: 10.1016/j.tins.2023.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 05/04/2023] [Accepted: 05/17/2023] [Indexed: 07/01/2023]
Abstract
Novel disease-modifying treatments for neuropathic pain are urgently required. The cellular immune response to nerve injury represents a promising target for therapeutic development. Recently, the role of natural killer (NK) cells in both CNS and PNS disease has been the subject of growing interest. In this opinion article, we set out the case for NK cell-based intervention as a promising avenue for development in the management of neuropathic pain. We explore the potential cellular and molecular targets of NK cells in the PNS by contrasting with their reported functional roles in CNS diseases, and we suggest strategies for using the beneficial functions of NK cells and immune-based therapeutics in the context of neuropathic pain.
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Affiliation(s)
- Hyoung Woo Kim
- Department of Neurobiology and Physiology, School of Dentistry, and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Shuaiwei Wang
- Nuffield Department of Clinical Neurosciences, University of Oxford, John Radcliffe Hospital, Oxford, UK
| | - Alexander J Davies
- Nuffield Department of Clinical Neurosciences, University of Oxford, John Radcliffe Hospital, Oxford, UK.
| | - Seog Bae Oh
- Department of Neurobiology and Physiology, School of Dentistry, and Dental Research Institute, Seoul National University, Seoul, Republic of Korea.
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24
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Anrather J, Marks K. Highlighting a New Potential Target in Stroke: Immunoreceptor NKG2D. J Am Heart Assoc 2023:e030482. [PMID: 37301754 DOI: 10.1161/jaha.123.030482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 06/12/2023]
Affiliation(s)
- Josef Anrather
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine New York NY USA
| | - Kimberly Marks
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine New York NY USA
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25
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David C, Ruck T, Rolfes L, Mencl S, Kraft P, Schuhmann MK, Schroeter CB, Jansen R, Langhauser F, Mausberg AK, Fender AC, Meuth SG, Kleinschnitz C. Impact of NKG2D Signaling on Natural Killer and T-Cell Function in Cerebral Ischemia. J Am Heart Assoc 2023:e029529. [PMID: 37301761 DOI: 10.1161/jaha.122.029529] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 04/04/2023] [Indexed: 06/12/2023]
Abstract
Background Typically defined as a thromboinflammatory disease, ischemic stroke features early and delayed inflammatory responses, which determine the extent of ischemia-related brain damage. T and natural killer cells have been implicated in neuronal cytotoxicity and inflammation, but the precise mechanisms of immune cell-mediated stroke progression remain poorly understood. The activating immunoreceptor NKG2D is expressed on both natural killer and T cells and may be critically involved. Methods and Results An anti-NKG2D blocking antibody alleviated stroke outcome in terms of infarct volume and functional deficits, coinciding with reduced immune cell infiltration into the brain and improved survival in the animal model of cerebral ischemia. Using transgenic knockout models devoid of certain immune cell types and immunodeficient mice supplemented with different immune cell subsets, we dissected the functional contribution of NKG2D signaling by different NKG2D-expressing cells in stroke pathophysiology. The observed effect of NKG2D signaling in stroke progression was shown to be predominantly mediated by natural killer and CD8+ T cells. Transfer of T cells with monovariant T-cell receptors into immunodeficient mice with and without pharmacological blockade of NKG2D revealed activation of CD8+ T cells irrespective of antigen specificity. Detection of the NKG2D receptor and its ligands in brain samples of patients with stroke strengthens the relevance of preclinical observations in human disease. Conclusions Our findings provide a mechanistic insight into NKG2D-dependent natural killer- and T-cell-mediated effects in stroke pathophysiology.
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Affiliation(s)
- Christina David
- Department of Neurology With Center for Translational Neuro- and Behavioral Sciences (C-TNBS) University Hospital Essen, University Duisburg-Essen Essen Germany
| | - Tobias Ruck
- Department of Neurology, Medical Faculty Heinrich-Heine-University Düsseldorf Germany
| | - Leoni Rolfes
- Department of Neurology, Medical Faculty Heinrich-Heine-University Düsseldorf Germany
| | - Stine Mencl
- Department of Neurology With Center for Translational Neuro- and Behavioral Sciences (C-TNBS) University Hospital Essen, University Duisburg-Essen Essen Germany
| | - Peter Kraft
- Department of Neurology Hospital Main-Spessart Lohr am Main Germany
- Department of Neurology University Hospital Würzburg Würzburg Germany
| | | | - Christina B Schroeter
- Department of Neurology, Medical Faculty Heinrich-Heine-University Düsseldorf Germany
| | - Robin Jansen
- Department of Neurology, Medical Faculty Heinrich-Heine-University Düsseldorf Germany
| | - Friederike Langhauser
- Department of Neurology With Center for Translational Neuro- and Behavioral Sciences (C-TNBS) University Hospital Essen, University Duisburg-Essen Essen Germany
| | - Anne K Mausberg
- Department of Neurology With Center for Translational Neuro- and Behavioral Sciences (C-TNBS) University Hospital Essen, University Duisburg-Essen Essen Germany
| | - Anke C Fender
- Department of Pharmacology University Hospital Essen, University of Duisburg-Essen Essen Germany
| | - Sven G Meuth
- Department of Neurology, Medical Faculty Heinrich-Heine-University Düsseldorf Germany
| | - Christoph Kleinschnitz
- Department of Neurology With Center for Translational Neuro- and Behavioral Sciences (C-TNBS) University Hospital Essen, University Duisburg-Essen Essen Germany
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Shi SX, Xiu Y, Li Y, Yuan M, Shi K, Liu Q, Wang X, Jin WN. CD4 + T cells aggravate hemorrhagic brain injury. SCIENCE ADVANCES 2023; 9:eabq0712. [PMID: 37285421 DOI: 10.1126/sciadv.abq0712] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 05/01/2023] [Indexed: 06/09/2023]
Abstract
Leukocyte infiltration accelerates brain injury following intracerebral hemorrhage (ICH). Yet, the involvement of T lymphocytes in this process has not been fully elucidated. Here, we report that CD4+ T cells accumulate in the perihematomal regions in the brains of patients with ICH and ICH mouse models. T cells activation in the ICH brain is concurrent with the course of perihematomal edema (PHE) development, and depletion of CD4+ T cells reduced PHE volumes and improved neurological deficits in ICH mice. Single-cell transcriptomic analysis revealed that brain-infiltrating T cells exhibited enhanced proinflammatory and proapoptotic signatures. Consequently, CD4+ T cells disrupt the blood-brain barrier integrity and promote PHE progression through interleukin-17 release; furthermore, the TRAIL-expressing CD4+ T cells engage DR5 to trigger endothelial death. Recognition of T cell contribution to ICH-induced neural injury is instrumental for designing immunomodulatory therapies for this dreadful disease.
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Affiliation(s)
- Samuel X Shi
- Clinical Neuroscience Research Center (CNRC), Department of Neurosurgery and Neurology, Tulane University School of Medicine, New Orleans, LA, USA
| | - Yuwen Xiu
- Clinical Neuroscience Research Center (CNRC), Department of Neurosurgery and Neurology, Tulane University School of Medicine, New Orleans, LA, USA
- Center for Neurological Diseases, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Department of Neurology, Tianjin Medical University General Hospital, Tianjin, China
| | - Yan Li
- Center for Neurological Diseases, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Meng Yuan
- Center for Neurological Diseases, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Kaibin Shi
- Center for Neurological Diseases, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Qiang Liu
- Department of Neurology, Tianjin Medical University General Hospital, Tianjin, China
| | - Xiaoying Wang
- Clinical Neuroscience Research Center (CNRC), Department of Neurosurgery and Neurology, Tulane University School of Medicine, New Orleans, LA, USA
| | - Wei-Na Jin
- Center for Neurological Diseases, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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27
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Wei YH, Bi RT, Qiu YM, Zhang CL, Li JZ, Li YN, Hu B. The gastrointestinal-brain-microbiota axis: a promising therapeutic target for ischemic stroke. Front Immunol 2023; 14:1141387. [PMID: 37342335 PMCID: PMC10277866 DOI: 10.3389/fimmu.2023.1141387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 05/22/2023] [Indexed: 06/22/2023] Open
Abstract
Ischemic stroke is a highly complex systemic disease characterized by intricate interactions between the brain and gastrointestinal tract. While our current understanding of these interactions primarily stems from experimental models, their relevance to human stroke outcomes is of considerable interest. After stroke, bidirectional communication between the brain and gastrointestinal tract initiates changes in the gastrointestinal microenvironment. These changes involve the activation of gastrointestinal immunity, disruption of the gastrointestinal barrier, and alterations in gastrointestinal microbiota. Importantly, experimental evidence suggests that these alterations facilitate the migration of gastrointestinal immune cells and cytokines across the damaged blood-brain barrier, ultimately infiltrating the ischemic brain. Although the characterization of these phenomena in humans is still limited, recognizing the significance of the brain-gastrointestinal crosstalk after stroke offers potential avenues for therapeutic intervention. By targeting the mutually reinforcing processes between the brain and gastrointestinal tract, it may be possible to improve the prognosis of ischemic stroke. Further investigation is warranted to elucidate the clinical relevance and translational potential of these findings.
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Affiliation(s)
| | | | | | | | | | - Ya-nan Li
- *Correspondence: Ya-nan Li, ; Bo Hu,
| | - Bo Hu
- *Correspondence: Ya-nan Li, ; Bo Hu,
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Gullotta GS, Costantino G, Sortino MA, Spampinato SF. Microglia and the Blood-Brain Barrier: An External Player in Acute and Chronic Neuroinflammatory Conditions. Int J Mol Sci 2023; 24:ijms24119144. [PMID: 37298096 DOI: 10.3390/ijms24119144] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 05/18/2023] [Accepted: 05/20/2023] [Indexed: 06/12/2023] Open
Abstract
Microglia are the resident immune cells of the central nervous system that guarantee immune surveillance and exert also a modulating role on neuronal synaptic development and function. Upon injury, microglia get activated and modify their morphology acquiring an ameboid phenotype and pro- or anti-inflammatory features. The active role of microglia in blood-brain barrier (BBB) function and their interaction with different cellular components of the BBB-endothelial cells, astrocytes and pericytes-are described. Here, we report the specific crosstalk of microglia with all the BBB cell types focusing in particular on the involvement of microglia in the modulation of BBB function in neuroinflammatory conditions that occur in conjunction with an acute event, such as a stroke, or in a slow neurodegenerative disease, such as Alzheimer's disease. The potential of microglia to exert a dual role, either protective or detrimental, depending on disease stages and environmental conditioning factors is also discussed.
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Affiliation(s)
- Giorgia Serena Gullotta
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy
| | - Giuseppe Costantino
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy
- Ph.D. Program in Neuroscience and Education, DISTUM, University of Foggia, 71121 Foggia, Italy
| | - Maria Angela Sortino
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy
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29
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Qi C, Liu Q. Natural killer cells in aging and age-related diseases. Neurobiol Dis 2023; 183:106156. [PMID: 37209924 DOI: 10.1016/j.nbd.2023.106156] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 05/10/2023] [Accepted: 05/17/2023] [Indexed: 05/22/2023] Open
Abstract
Aging leads to escalated systemic inflammation. As the sentinel of immune system, natural killer (NK) cells are early responders that sense cues and signals from target organs and swiftly orchestrate local inflammation upon their arrival. Emerging evidence indicates a profound role of NK cells in the initiation and evolution of neuroinflammation in aging and age-related diseases. Here we discuss recent advances in NK cell biology and the organ-specific features of NK cells in normal brain aging, Alzheimer's disease, Parkinson's disease and stroke. Our increasing understanding of NK cells and their unique features in aging and age-related diseases may facilitate the future design of immune therapies targeting NK cells to benefit the old population.
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Affiliation(s)
- Caiyun Qi
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Qiang Liu
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin 300052, China; Tianjin Institute of Immunology, Tianjin Medical University, Tianjin 300070, China.
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30
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Cohen CD, Rousseau ST, Bermea KC, Bhalodia A, Lovell JP, Dina Zita M, Čiháková D, Adamo L. Myocardial Immune Cells: The Basis of Cardiac Immunology. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 210:1198-1207. [PMID: 37068299 PMCID: PMC10111214 DOI: 10.4049/jimmunol.2200924] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 01/14/2023] [Indexed: 04/19/2023]
Abstract
The mammalian heart is characterized by the presence of striated myocytes, which allow continuous rhythmic contraction from early embryonic development until the last moments of life. However, the myocardium contains a significant contingent of leukocytes from every major class. This leukocyte pool includes both resident and nonresident immune cells. Over recent decades, it has become increasingly apparent that the heart is intimately sensitive to immune signaling and that myocardial leukocytes exhibit an array of critical functions, both in homeostasis and in the context of cardiac adaptation to injury. Here, we systematically review current knowledge of all major leukocyte classes in the heart, discussing their functions in health and disease. We also highlight the connection between the myocardium, immune cells, lymphoid organs, and both local and systemic immune responses.
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Affiliation(s)
- Charles D. Cohen
- Cardiac Immunology Laboratory, Department of Medicine, Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Sylvie T. Rousseau
- Cardiac Immunology Laboratory, Department of Medicine, Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Kevin C. Bermea
- Cardiac Immunology Laboratory, Department of Medicine, Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Aashik Bhalodia
- Cardiac Immunology Laboratory, Department of Medicine, Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Jana P. Lovell
- Cardiac Immunology Laboratory, Department of Medicine, Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Marcelle Dina Zita
- Cardiac Immunology Laboratory, Department of Medicine, Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
| | - Daniela Čiháková
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, United States of America
| | - Luigi Adamo
- Cardiac Immunology Laboratory, Department of Medicine, Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD, United States of America
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Gasdermin D inhibition ameliorates neutrophil mediated brain damage in acute ischemic stroke. Cell Death Dis 2023; 9:50. [PMID: 36755018 PMCID: PMC9908898 DOI: 10.1038/s41420-023-01349-6] [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: 09/20/2022] [Revised: 01/24/2023] [Accepted: 01/30/2023] [Indexed: 02/10/2023]
Abstract
Acute ischemic stroke (AIS) induces high level of neutrophils, which correlates inversely with patient survival. Pyroptosis induced by gasdermin D (GSDMD) has been shown to have an important role in the pathophysiology of several inflammatory disorders. The role of GSDMD in the high level of neutrophils after AIS is unknown. Using a middle cerebral artery occlusion (MCAO) mouse model, we identified activation of pyroptosis signal, including expression of caspase-1/11, GSDMD, and interleukin-1β/18 (IL-1β/18), in the brain and spleen at early ischemic injury. Knockout of GSDMD in mice reduced infarct size, improved neurological function, and increased survival after MCAO. GSDMD deficiency decreased the overall degree of inflammation and the proportion of neutrophils in the brain after MCAO. Quantitative studies of neutrophils at several time intervals and organs demonstrated that early inflammatory leucocyte production and supplement (1 day after MCAO) was GSDMD-dependent. A series of bone marrow transplantation experiments, neutrophil depletion experiments, and RNA sequencing results demonstrated that neutrophil specific GSDMD is essential for the production and supply of neutrophil in bone marrow to blood. Moreover, pharmacological suppression of GSDMD decreased pathological abnormalities, infarct volume, and ameliorated neurological function. These results provided a new viewpoint on the immunological modulation of neutrophils after MCAO and suggest that suppression of GSDMD may relieve the neuroinflammatory load, thereby providing a potential treatment strategy for stroke. The absence of GSDMD reduces the high level of neutrophils in the brain, the production of neutrophils in bone marrow, and the supply of blood and spleen, while simultaneously the neutrophil-specific GSDMD signal deficiency restrains leukocytosis to improve the pathological outcome of AIS.
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Abstract
Stroke is a sudden and rapidly progressing ischemic or hemorrhagic cerebrovascular disease. When stroke damages the brain, the immune system becomes hyperactive, leading to systemic inflammatory response and immunomodulatory disorders, which could significantly impact brain damage, recovery, and prognosis of stroke. Emerging researches suggest that ischemic stroke-induced spleen contraction could activate a peripheral immune response, which may further aggravate brain injury. This review focuses on hemorrhagic strokes including intracerebral hemorrhage (ICH) and subarachnoid hemorrhage (SAH) and discusses the central nervous system-peripheral immune interactions after hemorrhagic stroke induction. First, inflammatory progression after ICH and SAH is investigated. As a part of this review, we summarize the various kinds of inflammatory cell infiltration to aggravate brain injury after blood-brain barrier interruption induced by hemorrhagic stroke. Then, we explore hemorrhagic stroke-induced systemic inflammatory response syndrome (SIRS) and discuss the interactions of CNS and peripheral inflammatory response. In addition, potential targets related to inflammatory response for ICH and SAH are discussed in this review, which may lead to novel therapeutic strategies for hemorrhagic stroke.
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Affiliation(s)
- Xiang Li
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou, China.,Institute of Stroke Research, Soochow University, Suzhou, China
| | - Gang Chen
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, Suzhou, China.,Institute of Stroke Research, Soochow University, Suzhou, China
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Wang S, de Fabritus L, Kumar PA, Werner Y, Ma M, Li D, Siret C, Simic M, Li B, Kerdiles YM, Hou L, Stumm R, van de Pavert SA. Brain endothelial CXCL12 attracts protective natural killer cells during ischemic stroke. J Neuroinflammation 2023; 20:8. [PMID: 36631780 PMCID: PMC9835334 DOI: 10.1186/s12974-023-02689-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 01/02/2023] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND The innate lymphoid cell (ILC) family consists of NK cells, ILC type 1, 2, 3 and lymphoid tissue inducer cells. They have been shown to play important roles in homeostasis and immune responses and are generally considered tissue resident. Not much is known about the presence of ILC members within the central nervous system and whether they are tissue resident in this organ too. Therefore, we studied the presence of all ILC members within the central nervous system and after ischemic brain insult. METHODS We used the photothrombotic ischemic lesion method to induce ischemic lesions within the mouse brain. Using whole-mount immunofluorescence imaging, we established that the ILCs were present at the rim of the lesion. We quantified the increase of all ILC members at different time-points after the ischemic lesion induction by flow cytometry. Their migration route via chemokine CXCL12 was studied by using different genetic mouse models, in which we induced deletion of Cxcl12 within the blood-brain barrier endothelium, or its receptor, Cxcr4, in the ILCs. The functional role of the ILCs was subsequently established using the beam-walk sensorimotor test. RESULTS Here, we report that ILCs are not resident within the mouse brain parenchyma during steady-state conditions, but are attracted towards the ischemic stroke. Specifically, we identify NK cells, ILC1s, ILC2s and ILC3s within the lesion, the highest influx being observed for NK cells and ILC1s. We further show that CXCL12 expressed at the blood-brain barrier is essential for NK cells and NKp46+ ILC3s to migrate toward the lesion. Complementary, Cxcr4-deficiency in NK cells prevents NK cells from entering the infarct area. Lack of NK cell migration results in a higher neurological deficit in the beam-walk sensorimotor test. CONCLUSIONS This study establishes the lack of ILCs in the mouse central nervous system at steady-state and their migration towards an ischemic brain lesion. Our data show a role for blood-brain barrier-derived CXCL12 in attracting protective NK cells to ischemic brain lesions and identifies a new CXCL12/CXCR4-mediated component of the innate immune response to stroke.
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Affiliation(s)
- Shuaiwei Wang
- grid.417850.f0000 0004 0639 5277Aix-Marseille Univ, CNRS, INSERM, Centre d’Immunologie de Marseille-Luminy (CIML), Marseille, France
| | - Lauriane de Fabritus
- grid.417850.f0000 0004 0639 5277Aix-Marseille Univ, CNRS, INSERM, Centre d’Immunologie de Marseille-Luminy (CIML), Marseille, France
| | - Praveen Ashok Kumar
- grid.275559.90000 0000 8517 6224Institute of Pharmacology and Toxicology, Jena University Hospital, Jena, Germany
| | - Yves Werner
- grid.275559.90000 0000 8517 6224Institute of Pharmacology and Toxicology, Jena University Hospital, Jena, Germany
| | - Minglu Ma
- grid.16821.3c0000 0004 0368 8293Center for Immune-Related Diseases at Shanghai Institute of Immunology, Department of Respiratory and Critical Care Medicine of Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China ,grid.16821.3c0000 0004 0368 8293Institute of Cardiovascular Diseases, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dan Li
- grid.16821.3c0000 0004 0368 8293Center for Immune-Related Diseases at Shanghai Institute of Immunology, Department of Respiratory and Critical Care Medicine of Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Carole Siret
- grid.417850.f0000 0004 0639 5277Aix-Marseille Univ, CNRS, INSERM, Centre d’Immunologie de Marseille-Luminy (CIML), Marseille, France
| | - Milesa Simic
- grid.417850.f0000 0004 0639 5277Aix-Marseille Univ, CNRS, INSERM, Centre d’Immunologie de Marseille-Luminy (CIML), Marseille, France
| | - Bin Li
- grid.16821.3c0000 0004 0368 8293Center for Immune-Related Diseases at Shanghai Institute of Immunology, Department of Respiratory and Critical Care Medicine of Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yann M. Kerdiles
- grid.417850.f0000 0004 0639 5277Aix-Marseille Univ, CNRS, INSERM, Centre d’Immunologie de Marseille-Luminy (CIML), Marseille, France
| | - Lei Hou
- grid.16821.3c0000 0004 0368 8293Institute of Cardiovascular Diseases, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ralf Stumm
- grid.275559.90000 0000 8517 6224Institute of Pharmacology and Toxicology, Jena University Hospital, Jena, Germany
| | - Serge A. van de Pavert
- grid.417850.f0000 0004 0639 5277Aix-Marseille Univ, CNRS, INSERM, Centre d’Immunologie de Marseille-Luminy (CIML), Marseille, France
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Cheng W, Zhao Q, Li C, Xu Y. Neuroinflammation and brain-peripheral interaction in ischemic stroke: A narrative review. Front Immunol 2023; 13:1080737. [PMID: 36685518 PMCID: PMC9849888 DOI: 10.3389/fimmu.2022.1080737] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 12/12/2022] [Indexed: 01/07/2023] Open
Abstract
Excessive immune activation within the lesion site can be observed after stroke onset. Such neuroinflammation within the brain parenchyma represents the innate immune response, as well as the result of the additional interactions between peripheral and resident immune cells. Accumulative studies have illustrated that the pathological process of ischemic stroke is associated with resident and peripheral immunity. The infiltration of peripheral immune cells within the brain parenchyma implicitly contributes to secondary brain injuries. Therefore, better understanding of the roles of resident and peripheral immune reactions toward ischemic insult is necessary. In this review, we summarized the interaction between peripheral and resident immunity on systemic immunity and the clinical outcomes after stroke onset and also discussed various potential immunotherapeutic strategies.
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Affiliation(s)
- Wenjing Cheng
- Department of Laboratory Medicine, Linping Hospital of Integrated Traditional Chinese and Western Medicine, Hangzhou, Zhejiang, China,*Correspondence: Wenjing Cheng,
| | - Qing Zhao
- Center for Translational Medicine, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Chengzhen Li
- Department of Laboratory Medicine, Shanghai Guanghua Hospital of Integrated Traditional Chinese and Western Medicine, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yunzhi Xu
- Department of Laboratory Medicine, Wenzhou Central Hospital, Affiliated Dingli Clinical Institute of Wenzhou Medical University, Wenzhou, China
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Zhang Z, Lv M, Zhou X, Cui Y. Roles of peripheral immune cells in the recovery of neurological function after ischemic stroke. Front Cell Neurosci 2022; 16:1013905. [PMID: 36339825 PMCID: PMC9634819 DOI: 10.3389/fncel.2022.1013905] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 10/03/2022] [Indexed: 10/15/2023] Open
Abstract
Stroke is a leading cause of mortality and long-term disability worldwide, with limited spontaneous repair processes occurring after injury. Immune cells are involved in multiple aspects of ischemic stroke, from early damage processes to late recovery-related events. Compared with the substantial advances that have been made in elucidating how immune cells modulate acute ischemic injury, the understanding of the impact of the immune system on functional recovery is limited. In this review, we summarized the mechanisms of brain repair after ischemic stroke from both the neuronal and non-neuronal perspectives, and we review advances in understanding of the effects on functional recovery after ischemic stroke mediated by infiltrated peripheral innate and adaptive immune cells, immune cell-released cytokines and cell-cell interactions. We also highlight studies that advance our understanding of the mechanisms underlying functional recovery mediated by peripheral immune cells after ischemia. Insights into these processes will shed light on the double-edged role of infiltrated peripheral immune cells in functional recovery after ischemic stroke and provide clues for new therapies for improving neurological function.
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Affiliation(s)
- Zhaolong Zhang
- Department of Interventional Radiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Mengfei Lv
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao University, Qingdao, Shandong, China
- Qingdao Medical College, Qingdao University, Qingdao, Shandong, China
| | - Xin Zhou
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao University, Qingdao, Shandong, China
- Qingdao Medical College, Qingdao University, Qingdao, Shandong, China
| | - Yu Cui
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao University, Qingdao, Shandong, China
- Qingdao Medical College, Qingdao University, Qingdao, Shandong, China
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Cullell N, Soriano-Tárraga C, Gallego-Fábrega C, Cárcel-Márquez J, Muiño E, Llucià-Carol L, Lledós M, Esteller M, de Moura MC, Montaner J, Rosell A, Delgado P, Martí-Fábregas J, Krupinski J, Roquer J, Jiménez-Conde J, Fernández-Cadenas I. Altered methylation pattern in EXOC4 is associated with stroke outcome: an epigenome-wide association study. Clin Epigenetics 2022; 14:124. [PMID: 36180927 PMCID: PMC9526296 DOI: 10.1186/s13148-022-01340-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 09/13/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND AND PURPOSE The neurological course after stroke is highly variable and is determined by demographic, clinical and genetic factors. However, other heritable factors such as epigenetic DNA methylation could play a role in neurological changes after stroke. METHODS We performed a three-stage epigenome-wide association study to evaluate DNA methylation associated with the difference between the National Institutes of Health Stroke Scale (NIHSS) at baseline and at discharge (ΔNIHSS) in ischaemic stroke patients. DNA methylation data in the Discovery (n = 643) and Replication (n = 62) Cohorts were interrogated with the 450 K and EPIC BeadChip. Nominal CpG sites from the Discovery (p value < 10-06) were also evaluated in a meta-analysis of the Discovery and Replication cohorts, using a random-fixed effect model. Metabolic pathway enrichment was calculated with methylGSA. We integrated the methylation data with 1305 plasma protein expression levels measured by SOMAscan in 46 subjects and measured RNA expression with RT-PCR in a subgroup of 13 subjects. Specific cell-type methylation was assessed using EpiDISH. RESULTS The meta-analysis revealed an epigenome-wide significant association in EXOC4 (p value = 8.4 × 10-08) and in MERTK (p value = 1.56 × 10-07). Only the methylation in EXOC4 was also associated in the Discovery and in the Replication Cohorts (p value = 1.14 × 10-06 and p value = 1.3 × 10-02, respectively). EXOC4 methylation negatively correlated with the long-term outcome (coefficient = - 4.91) and showed a tendency towards a decrease in EXOC4 expression (rho = - 0.469, p value = 0.091). Pathway enrichment from the meta-analysis revealed significant associations related to the endocytosis and deubiquitination processes. Seventy-nine plasma proteins were differentially expressed in association with EXOC4 methylation. Pathway analysis of these proteins showed an enrichment in natural killer (NK) cell activation. The cell-type methylation analysis in blood also revealed a differential methylation in NK cells. CONCLUSIONS DNA methylation of EXOC4 is associated with a worse neurological course after stroke. The results indicate a potential modulation of pathways involving endocytosis and NK cells regulation.
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Affiliation(s)
- Natalia Cullell
- Stroke Pharmacogenomics and Genetics, IIB-Sant Pau, Institut de Recerca de Sant Pau, Hospital Sant Pau, C/Sant Antoni Mª Claret,167, 08025, Barcelona, Spain
- Neurology, Hospital Universitari MútuaTerrassa/Fundacio Docència i Recerca MutuaTerrassa, Terrassa, Spain
- Facultat de Medicina, Universitat de Barcelona, Barcelona, Spain
| | - Carolina Soriano-Tárraga
- Neurology, Hospital del Mar, Neurovascular Research Group, IMIM, Universitat Autònoma de Barcelona/DCEXS-Universitat Pompeu Fabra, Barcelona, Spain
- Department of Psychiatry, Washington University School of Medicine, Saint Louis, Missouri, USA
- NeuroGenomics and Informatics, Washington University School of Medicine, Saint Louis, Missouri, USA
| | - Cristina Gallego-Fábrega
- Stroke Pharmacogenomics and Genetics, IIB-Sant Pau, Institut de Recerca de Sant Pau, Hospital Sant Pau, C/Sant Antoni Mª Claret,167, 08025, Barcelona, Spain
| | - Jara Cárcel-Márquez
- Stroke Pharmacogenomics and Genetics, IIB-Sant Pau, Institut de Recerca de Sant Pau, Hospital Sant Pau, C/Sant Antoni Mª Claret,167, 08025, Barcelona, Spain
| | - Elena Muiño
- Stroke Pharmacogenomics and Genetics, IIB-Sant Pau, Institut de Recerca de Sant Pau, Hospital Sant Pau, C/Sant Antoni Mª Claret,167, 08025, Barcelona, Spain
| | - Laia Llucià-Carol
- Stroke Pharmacogenomics and Genetics, IIB-Sant Pau, Institut de Recerca de Sant Pau, Hospital Sant Pau, C/Sant Antoni Mª Claret,167, 08025, Barcelona, Spain
| | - Miquel Lledós
- Stroke Pharmacogenomics and Genetics, IIB-Sant Pau, Institut de Recerca de Sant Pau, Hospital Sant Pau, C/Sant Antoni Mª Claret,167, 08025, Barcelona, Spain
| | - Manel Esteller
- Cancer Epigenetics & Biology Program (PEBC), L'Hospitalet, Spain
- Department of Physiological Sciences II, School of Medicine, Universitat de Barcelona, Barcelona, Spain
- Institució Catalana de Recerca I Estudis Avançats (ICREA), Barcelona, Spain
| | | | - Joan Montaner
- Neurovascular Research Laboratory, Vall d'Hebron Institut de Recerca (VHIR), Barcelona, Spain
- Department of Neurology, Hospital Universitario Virgen Macarena Sevilla, Instituto de Biomedicina de Sevilla, IBiS/Hospital Universitario Virgen del Rocío/CSIC, Universidad de Sevilla, Sevilla, Spain
| | - Anna Rosell
- Neurovascular Research Laboratory, Vall d'Hebron Institut de Recerca (VHIR), Barcelona, Spain
| | - Pilar Delgado
- Neurovascular Research Laboratory, Vall d'Hebron Institut de Recerca (VHIR), Barcelona, Spain
| | | | - Jerzy Krupinski
- Neurology, Hospital Universitari MútuaTerrassa/Fundacio Docència i Recerca MutuaTerrassa, Terrassa, Spain
- Centre for Bioscience, School of HealthCare Science, Manchester Metropolitan University, Manchester, UK
| | - Jaume Roquer
- Neurology, Hospital del Mar, Neurovascular Research Group, IMIM, Universitat Autònoma de Barcelona/DCEXS-Universitat Pompeu Fabra, Barcelona, Spain
| | - Jordi Jiménez-Conde
- Neurology, Hospital del Mar, Neurovascular Research Group, IMIM, Universitat Autònoma de Barcelona/DCEXS-Universitat Pompeu Fabra, Barcelona, Spain
| | - Israel Fernández-Cadenas
- Stroke Pharmacogenomics and Genetics, IIB-Sant Pau, Institut de Recerca de Sant Pau, Hospital Sant Pau, C/Sant Antoni Mª Claret,167, 08025, Barcelona, Spain.
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Shi S, Zhang Q, Qu C, Tang Y, Qu Y, Wen S, Sun R, Pan Y. Identification of pyroptosis-related immune signature and drugs for ischemic stroke. Front Genet 2022; 13:909482. [PMID: 36238162 PMCID: PMC9552296 DOI: 10.3389/fgene.2022.909482] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 08/23/2022] [Indexed: 11/19/2022] Open
Abstract
Background: Ischemic stroke (IS) is a common and serious neurological disease, and multiple pathways of cell apoptosis are implicated in its pathogenesis. Recently, extensive studies have indicated that pyroptosis is involved in various diseases, especially cerebrovascular diseases. However, the exact mechanism of interaction between pyroptosis and IS is scarcely understood. Thus, we aimed to investigate the impact of pyroptosis on IS-mediated systemic inflammation. Methods: First, the RNA regulation patterns mediated by 33 pyroptosis-related genes identified in 20 IS samples and 20 matched-control samples were systematically evaluated. Second, a series of bioinformatics algorithms were used to investigate the contribution of PRGs to IS pathogenesis. We determined three composition classifiers of PRGs which potentially distinguished healthy samples from IS samples according to the risk score using single-variable logistic regression, LASSO-Cox regression, and multivariable logistic regression analyses. Third, 20 IS patients were classified by unsupervised consistent cluster analysis in relation to pyroptosis. The association between pyroptosis and systemic inflammation characteristics was explored, which was inclusive of immune reaction gene sets, infiltrating immunocytes and human leukocyte antigen genes. Results: We identified that AIM2, SCAF11, and TNF can regulate immuno-inflammatory responses after strokes via the production of inflammatory factors and activation of the immune cells. Meanwhile, we identified distinct expression patterns mediated by pyroptosis and revealed their immune characteristics, differentially expressed genes, signaling pathways, and target drugs. Conclusion: Our findings lay a foundation for further research on pyroptosis and IS systemic inflammation, to improve IS prognosis and its responses to immunotherapy.
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Affiliation(s)
- Shanshan Shi
- Department of Neurology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
- Key Laboratory of Hepatosplenic Surgey Ministry of Education, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Qi Zhang
- Department of Neurology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Changda Qu
- Department of Neurology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Yushi Tang
- Department of Neurology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Yewei Qu
- Department of Neurology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Shirong Wen
- Department of Neurology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
- *Correspondence: Shirong Wen, ; Ruohan Sun, ; Yujun Pan,
| | - Ruohan Sun
- Department of Neurology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
- *Correspondence: Shirong Wen, ; Ruohan Sun, ; Yujun Pan,
| | - Yujun Pan
- Department of Neurology, The First Affiliated Hospital, Harbin Medical University, Harbin, China
- *Correspondence: Shirong Wen, ; Ruohan Sun, ; Yujun Pan,
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38
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Cai W, Shi L, Zhao J, Xu F, Dufort C, Ye Q, Yang T, Dai X, Lyu J, Jin C, Pu H, Yu F, Hassan S, Sun Z, Zhang W, Hitchens TK, Shi Y, Thomson AW, Leak RK, Hu X, Chen J. Neuroprotection against ischemic stroke requires a specific class of early responder T cells in mice. J Clin Invest 2022; 132:157678. [PMID: 35912857 PMCID: PMC9337834 DOI: 10.1172/jci157678] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 05/17/2022] [Indexed: 12/20/2022] Open
Abstract
Immunomodulation holds therapeutic promise against brain injuries, but leveraging this approach requires a precise understanding of mechanisms. We report that CD8+CD122+CD49dlo T regulatory-like cells (CD8+ TRLs) are among the earliest lymphocytes to infiltrate mouse brains after ischemic stroke and temper inflammation; they also confer neuroprotection. TRL depletion worsened stroke outcomes, an effect reversed by CD8+ TRL reconstitution. The CXCR3/CXCL10 axis served as the brain-homing mechanism for CD8+ TRLs. Upon brain entry, CD8+ TRLs were reprogrammed to upregulate leukemia inhibitory factor (LIF) receptor, epidermal growth factor–like transforming growth factor (ETGF), and interleukin 10 (IL-10). LIF/LIF receptor interactions induced ETGF and IL-10 production in CD8+ TRLs. While IL-10 induction was important for the antiinflammatory effects of CD8+ TRLs, ETGF provided direct neuroprotection. Poststroke intravenous transfer of CD8+ TRLs reduced infarction, promoting long-term neurological recovery in young males or aged mice of both sexes. Thus, these unique CD8+ TRLs serve as early responders to rally defenses against stroke, offering fresh perspectives for clinical translation.
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Affiliation(s)
- Wei Cai
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Ligen Shi
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jingyan Zhao
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Fei Xu
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, Pennsylvania, USA
| | - Connor Dufort
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Qing Ye
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, Pennsylvania, USA
| | - Tuo Yang
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, Pennsylvania, USA
| | - Xuejiao Dai
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Junxuan Lyu
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Chenghao Jin
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Hongjian Pu
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, Pennsylvania, USA
| | - Fang Yu
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Sulaiman Hassan
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, Pennsylvania, USA
| | - Zeyu Sun
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Wenting Zhang
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, Pennsylvania, USA
| | - T Kevin Hitchens
- Animal Imaging Center and Department of Neurobiology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Yejie Shi
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, Pennsylvania, USA
| | - Angus W Thomson
- Starzl Transplantation Institute, Department of Surgery, and Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Rehana K Leak
- Graduate School of Pharmaceutical Sciences, Duquesne University, Pittsburgh, Pennsylvania, USA
| | - Xiaoming Hu
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, Pennsylvania, USA
| | - Jun Chen
- Pittsburgh Institute of Brain Disorders and Recovery, and Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Health Care System, Pittsburgh, Pennsylvania, USA
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Cui J, Li H, Chen Z, Dong T, He X, Wei Y, Li Z, Duan J, Cao T, Chen Q, Ma D, Zhou Y, Wang B, Shi M, Zhang Q, Xiong L, Qin D. Thrombo-Inflammation and Immunological Response in Ischemic Stroke: Focusing on Platelet-Tregs Interaction. Front Cell Neurosci 2022; 16:955385. [PMID: 35846566 PMCID: PMC9278516 DOI: 10.3389/fncel.2022.955385] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 06/13/2022] [Indexed: 02/05/2023] Open
Abstract
Strokes are mainly caused by thromboembolic obstruction of a major cerebral artery. Major clinical manifestations include paralysis hemiplegia, aphasia, memory, and learning disorders. In the case of ischemic stroke (IS), hyperactive platelets contribute to advancing an acute thrombotic event progression. Therefore, the principal goal of treatment is to recanalize the occluded vessel and restore cerebral blood flow by thrombolysis or mechanical thrombectomy. However, antiplatelets or thrombolytic therapy may increase the risk of bleeding. Beyond the involvement in thrombosis, platelets also contribute to the inflammatory process induced by cerebral ischemia. Platelet-mediated thrombosis and inflammation in IS lie primarily in the interaction of platelet receptors with endothelial cells and immune cells, including T-cells, monocytes/macrophages, and neutrophils. Following revascularization, intervention with conventional antiplatelet medicines such as aspirin or clopidogrel does not substantially diminish infarct development, most likely due to the limited effects on the thrombo-inflammation process. Emerging evidence has shown that T cells, especially regulatory T cells (Tregs), maintain immune homeostasis and suppress immune responses, playing a critical immunomodulatory role in ischemia-reperfusion injury. Hence, considering the deleterious effects of inflammatory and immune responses, there is an urgent need for more targeted agents to limit the thrombotic-inflammatory activity of platelets and minimize the risk of a cerebral hemorrhage. This review highlights the involvement of platelets in neuroinflammation and the evolving role of Tregs and platelets in IS. In response to all issues, preclinical and clinical strategies should generate more viable therapeutics for preventing and managing IS with immunotherapy targeting platelets and Tregs.
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Affiliation(s)
- Jieqiong Cui
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, China
| | - Huayan Li
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, China
| | - Zongning Chen
- Department of General Medicine, Lijiang People’s Hospital, Lijiang, China
| | - Ting Dong
- Department of Laboratory Medicine, The First People’s Hospital of Yunnan Province, Kunming, China
| | - Xiying He
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, China
| | - Yuanyuan Wei
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
| | - Zhengkun Li
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, China
| | - Jinfeng Duan
- School of Chinese Medicine, Yunnan University of Chinese Medicine, Kunming, China
| | - Ting Cao
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, China
| | - Qian Chen
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, China
| | - Dongmei Ma
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, China
| | - Yang Zhou
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, China
| | - Bo Wang
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Kunming, China
| | - Mingqin Shi
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
| | - Qin Zhang
- Department of Laboratory Medicine, The First People’s Hospital of Yunnan Province, Kunming, China
- *Correspondence: Qin Zhang,
| | - Lei Xiong
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
- Lei Xiong,
| | - Dongdong Qin
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
- Dongdong Qin,
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40
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Zhu L, Huang L, Le A, Wang TJ, Zhang J, Chen X, Wang J, Wang J, Jiang C. Interactions between the Autonomic Nervous System and the Immune System after Stroke. Compr Physiol 2022; 12:3665-3704. [PMID: 35766834 DOI: 10.1002/cphy.c210047] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Acute stroke is one of the leading causes of morbidity and mortality worldwide. Stroke-induced immune-inflammatory response occurs in the perilesion areas and the periphery. Although stroke-induced immunosuppression may alleviate brain injury, it hinders brain repair as the immune-inflammatory response plays a bidirectional role after acute stroke. Furthermore, suppression of the systemic immune-inflammatory response increases the risk of life-threatening systemic bacterial infections after acute stroke. Therefore, it is essential to explore the mechanisms that underlie the stroke-induced immune-inflammatory response. Autonomic nervous system (ANS) activation is critical for regulating the local and systemic immune-inflammatory responses and may influence the prognosis of acute stroke. We review the changes in the sympathetic and parasympathetic nervous systems and their influence on the immune-inflammatory response after stroke. Importantly, this article summarizes the mechanisms on how ANS regulates the immune-inflammatory response through neurotransmitters and their receptors in immunocytes and immune organs after stroke. To facilitate translational research, we also discuss the promising therapeutic approaches modulating the activation of the ANS or the immune-inflammatory response to promote neurologic recovery after stroke. © 2022 American Physiological Society. Compr Physiol 12:3665-3704, 2022.
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Affiliation(s)
- Li Zhu
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, PR China
| | - Leo Huang
- Department of Psychology, University of Toronto, Toronto, Ontario, Canada
| | - Anh Le
- Washington University in St. Louis, Saint Louis, Missouri, USA
| | - Tom J Wang
- Winston Churchill High School, Potomac, Maryland, USA
| | - Jiewen Zhang
- Department of Neurology, People's Hospital of Zhengzhou University, Zhengzhou, PR China
| | - Xuemei Chen
- Department of Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, PR China
| | - Junmin Wang
- Department of Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, PR China
| | - Jian Wang
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, PR China.,Department of Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, PR China
| | - Chao Jiang
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, PR China
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41
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Cullell N, Soriano-Tárraga C, Gallego-Fábrega C, Cárcel-Márquez J, Torres-Águila NP, Muiño E, Lledós M, Llucià-Carol L, Esteller M, Castro de Moura M, Montaner J, Fernández-Sanlés A, Elosua R, Delgado P, Martí-Fábregas J, Krupinski J, Roquer J, Jiménez-Conde J, Fernández-Cadenas I. DNA Methylation and Ischemic Stroke Risk: An Epigenome-Wide Association Study. Thromb Haemost 2022; 122:1767-1778. [PMID: 35717949 DOI: 10.1055/s-0042-1749328] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
BACKGROUND Ischemic stroke (IS) risk heritability is partly explained by genetics. Other heritable factors, such as epigenetics, could explain an unknown proportion of the IS risk. The objective of this study is to evaluate DNA methylation association with IS using epigenome-wide association studies (EWAS). METHODS We performed a two-stage EWAS comprising 1,156 subjects. Differentially methylated positions (DMPs) and differentially methylated regions (DMRs) were assessed using the Infinium 450K and EPIC BeadChip in the discovery cohort (252 IS and 43 controls). Significant DMPs were replicated in an independent cohort (618 IS and 243 controls). Stroke subtype associations were also evaluated. Differentially methylated cell-type (DMCT) was analyzed in the replicated CpG sites using EpiDISH. We additionally performed pathway enrichment analysis and causality analysis with Mendelian randomization for the replicated CpG sites. RESULTS A total of 957 CpG sites were epigenome-wide-significant (p ≤ 10-7) in the discovery cohort, being CpG sites in the top signals (logFC = 0.058, p = 2.35 × 10-22; logFC = 0.035, p = 3.22 × 10-22, respectively). ZFHX3 and MAP3K1 were among the most significant DMRs. In addition, 697 CpG sites were replicated considering Bonferroni-corrected p-values (p < 5.22 × 10-5). All the replicated DMPs were associated with risk of cardioembolic, atherothrombotic, and undetermined stroke. The DMCT analysis demonstrated that the significant associations were driven by natural killer cells. The pathway enrichment analysis showed overrepresentation of genes belonging to certain pathways including oxidative stress. ZFHX3 and MAP3K1 methylation was causally associated with specific stroke-subtype risk. CONCLUSION Specific DNA methylation pattern is causally associated with IS risk. These results could be useful for specifically predicting stroke occurrence and could potentially be evaluated as therapeutic targets.
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Affiliation(s)
- Natalia Cullell
- Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Sant Quintí, Barcelona, Spain.,Department of Neurology, Hospital Universitari MútuaTerrassa/Fundacio Docència i Recerca MútuaTerrassa, Barcelona, Spain.,Facultat de Medicina, Universitat de Barcelona, Barcelona, Spain
| | - Carolina Soriano-Tárraga
- Neurovascular Research Group, Department of Neurology, Hospital del Mar, IMIM, Universitat Autònoma de Barcelona/DCEXS-Universitat Pompeu Fabra, Barcelona, Spain.,Department of Psychiatry, NeuroGenomics and Informatics, Washington University School of Medicine, St. Louis, Missouri, United States
| | | | - Jara Cárcel-Márquez
- Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Sant Quintí, Barcelona, Spain
| | - Nuria P Torres-Águila
- Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Sant Quintí, Barcelona, Spain.,Evolutionary Developmental Genomics Research Group, The Scottish Oceans Institute, University of St Andrews, St Andrews, United Kingdom
| | - Elena Muiño
- Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Sant Quintí, Barcelona, Spain
| | - Miquel Lledós
- Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Sant Quintí, Barcelona, Spain
| | - Laia Llucià-Carol
- Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Sant Quintí, Barcelona, Spain.,Department of Brain Ischemia and Neurodegeneration, Institut d'Investigacions Biomèdiques de Barcelona, Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain
| | - Manel Esteller
- Josep Carreras Leukaemia Research Institute, Barcelona, Spain.,Physiological Sciences Department, School of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats, Barcelona, Spain.,Centro de Investigación Biomédica en Red Cancer, Barcelona, Spain
| | | | - Joan Montaner
- Department of Neurology, Hospital Universitario Virgen Macarena, Institute of Biomedicine of Seville/Hospital Universitario Virgen del Rocío/CSIC/University of Seville, Seville, Spain
| | - Alba Fernández-Sanlés
- Cardiovascular Epidemiology and Genetics Research Group, IMIM, Barcelona, Spain.,Medical Research Council Integrative Epidemiology Unit, University of Bristol, Bristol, United Kingdom
| | - Roberto Elosua
- Cardiovascular Epidemiology and Genetics Research Group, IMIM, Barcelona, Spain.,CIBER Cardiovascular Diseases, Instituto Carlos III, Barcelona, Spain.,School of Medicine, University of Vic-Central University of Catalonia, Barcelona, Spain
| | - Pilar Delgado
- Neurovascular Research Laboratory, Vall d'Hebron Institute of Research, Barcelona, Spain
| | - Joan Martí-Fábregas
- Department of Neurology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Jerzy Krupinski
- Department of Neurology, Hospital Universitari MútuaTerrassa/Fundacio Docència i Recerca MútuaTerrassa, Barcelona, Spain.,Centre for Bioscience, School of HealthCare Science, Manchester Metropolitan University, Manchester, England
| | - Jaume Roquer
- Neurovascular Research Group, Department of Neurology, Hospital del Mar, IMIM, Universitat Autònoma de Barcelona/DCEXS-Universitat Pompeu Fabra, Barcelona, Spain
| | - Jordi Jiménez-Conde
- Neurovascular Research Group, Department of Neurology, Hospital del Mar, IMIM, Universitat Autònoma de Barcelona/DCEXS-Universitat Pompeu Fabra, Barcelona, Spain
| | - Israel Fernández-Cadenas
- Institut d'Investigació Biomèdica Sant Pau (IIB SANT PAU), Sant Quintí, Barcelona, Spain.,Department of Neurology, Hospital Universitari MútuaTerrassa/Fundacio Docència i Recerca MútuaTerrassa, Barcelona, Spain
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42
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Peptidomimetic Lipid-Nanoparticle-Mediated Knockdown of TLR4 in CNS Protects against Cerebral Ischemia/Reperfusion Injury in Mice. NANOMATERIALS 2022; 12:nano12122072. [PMID: 35745411 PMCID: PMC9228890 DOI: 10.3390/nano12122072] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 06/11/2022] [Accepted: 06/14/2022] [Indexed: 01/31/2023]
Abstract
Ischemic stroke activates toll-like receptor 4 (TLR4) signaling, resulting in proinflammatory polarization of microglia and secondary neuronal damage. Herein, we report a novel lipid-nanoparticle (LNP)-mediated knockdown of TLR4 in microglia and amelioration of neuroinflammation in a mouse model of transient middle cerebral artery occlusion (tMCAO). siRNA against TLR4 (siTLR4) complexed to the novel LNP (siTLR4/DoGo310), which was based on a dioleoyl-conjugated short peptidomimetic (denote DoGo310), was readily internalized by the oxygen–glucose-deprived (OGD) mouse primary microglia, knocked-down TLR4, and polarized the cell to the anti-inflammatory phenotype in vitro. Systemic administration of siTLR4/DoGo310 LNPs in the tMCAO mice model resulted in the accumulation of siRNA mainly in the Iba1 positive cells in the peri-infarct. Analysis of the peri-infarct brain tissue revealed that a single injection of siTLR4/DoGo310 LNPs led to significant knockdown of TLR4 gene expression, reversing the pattern of cytokines expression, and improving the neurological functions in tMCAO model mice. Our data demonstrate that DoGo310 LNPs could be a promising nanocarrier for CNS-targeted siRNA delivery for the treatment of CNS disorders.
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43
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Prophylactic Zinc Administration Combined with Swimming Exercise Prevents Cognitive-Emotional Disturbances and Tissue Injury following a Transient Hypoxic-Ischemic Insult in the Rat. Behav Neurol 2022; 2022:5388944. [PMID: 35637877 PMCID: PMC9146809 DOI: 10.1155/2022/5388944] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 03/04/2022] [Accepted: 04/01/2022] [Indexed: 11/17/2022] Open
Abstract
Exercise performance and zinc administration individually yield a protective effect on various neurodegenerative models, including ischemic brain injury. Therefore, this work was aimed at evaluating the combined effect of subacute prophylactic zinc administration and swimming exercise in a transient cerebral ischemia model. The prophylactic zinc administration (2.5 mg/kg of body weight) was provided every 24 h for four days before a 30 min common carotid artery occlusion (CCAO), and 24 h after reperfusion, the rats were subjected to swimming exercise in the Morris Water Maze (MWM). Learning was evaluated daily for five days, and memory on day 12 postreperfusion; anxiety or depression-like behavior was measured by the elevated plus maze and the motor activity by open-field test. Nitrites, lipid peroxidation, and the activity of superoxide dismutase (SOD) and catalase (CAT) were assessed in the temporoparietal cortex and hippocampus. The three nitric oxide (NO) synthase isoforms, chemokines, and their receptor levels were measured by ELISA. Nissl staining evaluated hippocampus cytoarchitecture and Iba-1 immunohistochemistry activated the microglia. Swimming exercise alone could not prevent ischemic damage but, combined with prophylactic zinc administration, reversed the cognitive deficit, decreased NOS and chemokine levels, prevented tissue damage, and increased Iba-1 (+) cell number. These results suggest that the subacute prophylactic zinc administration combined with swimming exercise, but not the individual treatment, prevents the ischemic damage on day 12 postreperfusion in the transient ischemia model.
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44
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Bai P, Zhu R, Wang P, Jiang F, Zhen J, Yao Y, Zhao C, Liang Z, Wang M, Liu B, Li M, Li N, Yuan J. The efficacy and safety of fingolimod plus standardized treatment versus standardized treatment alone for acute ischemic stroke: A systematic review and meta-analysis. Pharmacol Res Perspect 2022; 10:e00972. [PMID: 35585652 PMCID: PMC9117458 DOI: 10.1002/prp2.972] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 04/28/2022] [Accepted: 04/29/2022] [Indexed: 11/23/2022] Open
Abstract
Acute ischemic stroke (AIS) is the most common type of stroke. Fingolimod is a sphingosine analog that acts on sphingosine‐1‐phosphate receptors (S1PR). Recently, the safety and efficacy of fingolimod in both patients with intracerebral hemorrhage and patients with AIS have been investigated in proof‐of‐concept trials. In this review, we performed a meta‐analysis to evaluate the efficacy and safety of fingolimod for AIS. This study was conducted according to the PRISMA (Preferred Reporting Items for Systemic review and Meta‐Analysis) statement. We searched for publications on the PubMed, Embase, Cochrane Central Register of Controlled Trials, Clinical trials, CNKI, Wanfang Data, VIP, CBM up to August 2021. We compiled five studies; a main meta‐analysis forest plots were conducted for the values of the proportion of patients whose modified Rankin scale (MRS) score was 0–1 at day 90. There were heterogeneities in each study; the method of sensitivity analysis was performed. A sensitivity analysis was performed with a mean difference (MD) of the efficacy of fingolimod plus standardized treatment versus standardized treatment alone. Random effect model is used for meta‐analysis regardless of the I2 index. The analysis was carried out for categorical variables using the risk ratio (RR), LogRR, and its 95% CI. The methodological quality of each randomized controlled trial (RCTs) was assessed according to the Cochrane Collaboration tool to assess the risk of bias (ROB). A meta‐analysis of five studies with 228 participants was conducted. The risk ratio of patients whose MRS score was 0–1 at day 90 between fingolimod plus standardized treatment and standardized treatment alone was 2.59 (95%CI, 1.48–4.56). The Fingolimod plus standard treatment group decreased infarct growth and improved clinical function than the standard treatment.
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Affiliation(s)
- Peng Bai
- Department of Neurology, Inner Mongolia People's Hospital No. 20 of Zhaowuda Road, Hohhot, 010017, Inner Mongolia, People's Republic of China
| | - Runxiu Zhu
- Department of Neurology, Inner Mongolia People's Hospital No. 20 of Zhaowuda Road, Hohhot, 010017, Inner Mongolia, People's Republic of China
| | - Ping Wang
- Department of Neurology, Inner Mongolia People's Hospital No. 20 of Zhaowuda Road, Hohhot, 010017, Inner Mongolia, People's Republic of China
| | - Feng Jiang
- Department of Neurology, Inner Mongolia People's Hospital No. 20 of Zhaowuda Road, Hohhot, 010017, Inner Mongolia, People's Republic of China
| | - Jin Zhen
- Department of Neurology, Inner Mongolia People's Hospital No. 20 of Zhaowuda Road, Hohhot, 010017, Inner Mongolia, People's Republic of China
| | - Yuan Yao
- Department of Neurology, Inner Mongolia People's Hospital No. 20 of Zhaowuda Road, Hohhot, 010017, Inner Mongolia, People's Republic of China
| | - Chenhui Zhao
- Department of Neurosurgery, The First Affiliated Hospital of Wannan Medical College, Wuhu, China
| | - Zihong Liang
- Department of Psychiatry, Inner Mongolia People's Hospital No. 20 of Zhaowuda Road, Hohhot, 010017, Inner Mongolia, People's Republic of China
| | - Meiling Wang
- Department of Neurology, Inner Mongolia People's Hospital No. 20 of Zhaowuda Road, Hohhot, 010017, Inner Mongolia, People's Republic of China
| | - Bin Liu
- Department of Neurology, Inner Mongolia People's Hospital No. 20 of Zhaowuda Road, Hohhot, 010017, Inner Mongolia, People's Republic of China
| | - Min Li
- Department of Neurology, Inner Mongolia People's Hospital No. 20 of Zhaowuda Road, Hohhot, 010017, Inner Mongolia, People's Republic of China
| | - Na Li
- Nursing Department, Inner Mongolia People's Hospital No. 20 of Zhaowuda Road, Hohhot, 010017, Inner Mongolia, People's Republic of China
| | - Jun Yuan
- Department of Neurology, Inner Mongolia People's Hospital No. 20 of Zhaowuda Road, Hohhot, 010017, Inner Mongolia, People's Republic of China
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45
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Zhang Y, Lian L, Fu R, Liu J, Shan X, Jin Y, Xu S. Microglia: The Hub of Intercellular Communication in Ischemic Stroke. Front Cell Neurosci 2022; 16:889442. [PMID: 35518646 PMCID: PMC9062186 DOI: 10.3389/fncel.2022.889442] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 03/30/2022] [Indexed: 12/14/2022] Open
Abstract
Communication between microglia and other cells has recently been at the forefront of research in central nervous system (CNS) disease. In this review, we provide an overview of the neuroinflammation mediated by microglia, highlight recent studies of crosstalk between microglia and CNS resident and infiltrating cells in the context of ischemic stroke (IS), and discuss how these interactions affect the course of IS. The in-depth exploration of microglia-intercellular communication will be beneficial for therapeutic tools development and clinical translation for stroke control.
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Affiliation(s)
- Yunsha Zhang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine Tianjin, China
| | - Lu Lian
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine Tianjin, China.,Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Rong Fu
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine Tianjin, China.,Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jueling Liu
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine Tianjin, China.,Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiaoqian Shan
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine Tianjin, China.,Tianjin University of Traditional Chinese Medicine, Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yang Jin
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine Tianjin, China
| | - Shixin Xu
- Medical Experiment Center, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine Tianjin, China.,National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.,Tianjin Key Laboratory of Translational Research of TCM Prescription and Syndrome, Tianjin, China
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46
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Wang J, Xu L, Lin W, Yao Y, Li H, Shen G, Cao X, He N, Chen J, Hu J, Zheng M, Song X, Ding Y, Shen Y, Zhong J, Wang LL, Chen YY, Zhu Y. Single-cell transcriptome analysis reveals the immune heterogeneity and the repopulation of microglia by Hif1α in mice after spinal cord injury. Cell Death Dis 2022; 13:432. [PMID: 35504882 PMCID: PMC9065023 DOI: 10.1038/s41419-022-04864-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/13/2022] [Accepted: 04/19/2022] [Indexed: 12/14/2022]
Abstract
Neuroinflammation is regarded as a vital pathological process in spinal cord injury (SCI), which removes damaged tissue, secretes cytokines, and facilitates regeneration. Repopulation of microglia has been shown to favor recovery from SCI. However, the origin and regulatory factors of microglia repopulation after SCI remain unknown. Here, we used single-cell RNA sequencing to portray the dynamic transcriptional landscape of immune cells during the early and late phases of SCI in mice. B cells and migDCs, located in the meninges under physiological conditions, are involved in immune surveillance. Microglia quickly reduced, and peripheral myeloid cells infiltrated three days-post-injury (dpi). At 14 dpi, microglia repopulated, myeloid cells were reduced, and lymphocytes infiltrated. Importantly, genetic lineage tracing of nestin+ and Cx3cr1+ cells in vivo showed that the repopulation of microglia was derived from residual microglia after SCI. We found that residual microglia regress to a developmental growth state in the early stages after SCI. Hif1α promotes microglial proliferation. Conditional ablation of Hif1α in microglia causes larger lesion sizes, fewer axon fibers, and impaired functional recovery in the late stages after SCI. Our results mapped the immune heterogeneity in SCI and raised the possibility that targeting Hif1α may help in axon regeneration and functional recovery after SCI.
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Affiliation(s)
- Jingyu Wang
- grid.412465.0Department of Neurosurgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, China ,Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Lintao Xu
- grid.412465.0Department of Neurosurgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, China ,Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Weiwei Lin
- grid.412465.0Department of Neurosurgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, China ,Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
| | - Yin Yao
- grid.412465.0Department of Neurointensive Care Unit, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Heyangzi Li
- grid.13402.340000 0004 1759 700XDepartment of Basic Medicine Sciences, Zhejiang University School of Medicine, Hangzhou, China
| | - Gerong Shen
- grid.13402.340000 0004 1759 700XDepartment of Basic Medicine Sciences, Zhejiang University School of Medicine, Hangzhou, China
| | - Xi Cao
- grid.13402.340000 0004 1759 700XDepartment of Basic Medicine Sciences, Zhejiang University School of Medicine, Hangzhou, China
| | - Ning He
- grid.13402.340000 0004 1759 700XDepartment of Basic Medicine Sciences, Zhejiang University School of Medicine, Hangzhou, China
| | - Jun Chen
- grid.13402.340000 0004 1759 700XDepartment of Basic Medicine Sciences, Zhejiang University School of Medicine, Hangzhou, China
| | - Jue Hu
- grid.506977.a0000 0004 1757 7957School of Basic Medical Sciences & Forensic Medicine of Hangzhou Medical College, Hangzhou, China
| | - Mingzhi Zheng
- grid.506977.a0000 0004 1757 7957School of Basic Medical Sciences & Forensic Medicine of Hangzhou Medical College, Hangzhou, China
| | - Xinghui Song
- grid.13402.340000 0004 1759 700XCore Facilities, Zhejiang University School of Medicine, Hangzhou, China
| | - Yuemin Ding
- grid.13402.340000 0004 1759 700XSchool of Medicine, Zhejiang University City College, Hangzhou, China
| | - Yueliang Shen
- grid.13402.340000 0004 1759 700XDepartment of Basic Medicine Sciences, Zhejiang University School of Medicine, Hangzhou, China
| | - Jinjie Zhong
- grid.13402.340000 0004 1759 700XDepartment of Basic Medicine Sciences, and Department of Obstetrics of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lin-lin Wang
- grid.13402.340000 0004 1759 700XDepartment of Basic Medicine Sciences, and Department of Orthopaedics of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ying-ying Chen
- grid.13402.340000 0004 1759 700XDepartment of Basic Medicine Sciences, and Department of Obstetrics of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yongjian Zhu
- grid.412465.0Department of Neurosurgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases, Hangzhou, China ,Clinical Research Center for Neurological Diseases of Zhejiang Province, Hangzhou, China
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47
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Identifying Key Biomarkers and Immune Infiltration in Female Patients with Ischemic Stroke Based on Weighted Gene Co-Expression Network Analysis. Neural Plast 2022; 2022:5379876. [PMID: 35432523 PMCID: PMC9012649 DOI: 10.1155/2022/5379876] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 02/24/2022] [Accepted: 03/07/2022] [Indexed: 01/02/2023] Open
Abstract
Stroke is one of the leading causes of death and disability worldwide. Evidence shows that ischemic stroke (IS) accounts for nearly 80 percent of all strokes and that the etiology, risk factors, and prognosis of this disease differ by gender. Female patients may bear a greater burden than male patients. The immune system may play an important role in the pathophysiology of females with IS. Therefore, it is critical to investigate the key biomarkers and immune infiltration of female IS patients to develop effective treatment methods. Herein, we used weighted gene co-expression network analysis (WGCNA) to determine the key modules and core genes in female IS patients using the GSE22255, GSE37587, and GSE16561 datasets from the GEO database. Subsequently, we performed functional enrichment analysis and built a protein-protein interaction (PPI) network. Ten genes were selected as the true central genes for further investigation. After that, we explored the specific molecular and biological functions of these hub genes to gain a better understanding of the underlying pathogenesis of female IS patients. Moreover, the “Cell type Identification by Estimating Relative Subsets of RNA Transcripts (CIBERSORT)” was used to examine the distribution pattern of immune subtypes in female patients with IS and normal controls, revealing a new potential target for clinical treatment of the disease.
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48
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Murphy JM, Ngai L, Mortha A, Crome SQ. Tissue-Dependent Adaptations and Functions of Innate Lymphoid Cells. Front Immunol 2022; 13:836999. [PMID: 35359972 PMCID: PMC8960279 DOI: 10.3389/fimmu.2022.836999] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 02/11/2022] [Indexed: 12/21/2022] Open
Abstract
Tissue-resident immune cells reside in distinct niches across organs, where they contribute to tissue homeostasis and rapidly respond to perturbations in the local microenvironment. Innate lymphoid cells (ILCs) are a family of innate immune cells that regulate immune and tissue homeostasis. Across anatomical locations throughout the body, ILCs adopt tissue-specific fates, differing from circulating ILC populations. Adaptations of ILCs to microenvironmental changes have been documented in several inflammatory contexts, including obesity, asthma, and inflammatory bowel disease. While our understanding of ILC functions within tissues have predominantly been based on mouse studies, development of advanced single cell platforms to study tissue-resident ILCs in humans and emerging patient-based data is providing new insights into this lymphocyte family. Within this review, we discuss current concepts of ILC fate and function, exploring tissue-specific functions of ILCs and their contribution to health and disease across organ systems.
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Affiliation(s)
- Julia M Murphy
- Department of Immunology, University of Toronto, Toronto, ON, Canada.,Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada.,Ajmera Transplant Centre, University Health Network, Toronto, ON, Canada
| | - Louis Ngai
- Department of Immunology, University of Toronto, Toronto, ON, Canada
| | - Arthur Mortha
- Department of Immunology, University of Toronto, Toronto, ON, Canada
| | - Sarah Q Crome
- Department of Immunology, University of Toronto, Toronto, ON, Canada.,Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada.,Ajmera Transplant Centre, University Health Network, Toronto, ON, Canada
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49
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De Meyer SF, Langhauser F, Haupeltshofer S, Kleinschnitz C, Casas AI. Thromboinflammation in Brain Ischemia: Recent Updates and Future Perspectives. Stroke 2022; 53:1487-1499. [PMID: 35360931 DOI: 10.1161/strokeaha.122.038733] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Despite decades of promising preclinical validation and clinical translation, ischemic stroke still remains as one of the leading causes of death and disability worldwide. Within its complex pathophysiological signatures, thrombosis and inflammation, that is, thromboinflammation, are highly interconnected processes leading to cerebral vessel occlusion, inflammatory responses, and severe neuronal damage following the ischemic event. Hence, we here review the most recent updates on thromboinflammatory-dependent mediators relevant after stroke focusing on recent discoveries on platelet modulation, a potential regulation of the innate and adaptive immune system in thromboinflammation, utterly providing a thorough up-to-date overview of all therapeutic approaches currently undergoing clinical trial.
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Affiliation(s)
- Simon F De Meyer
- Laboratory for Thrombosis Research, KU Leuven Campus Kulak Kortrijk, Belgium (S.F.D.M.)
| | - Friederike Langhauser
- Department of Neurology and Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University Hospital Essen, Germany (F.L., S.H., C.K., A.I.C.)
| | - Steffen Haupeltshofer
- Department of Neurology and Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University Hospital Essen, Germany (F.L., S.H., C.K., A.I.C.)
| | - Christoph Kleinschnitz
- Department of Neurology and Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University Hospital Essen, Germany (F.L., S.H., C.K., A.I.C.)
| | - Ana I Casas
- Department of Neurology and Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University Hospital Essen, Germany (F.L., S.H., C.K., A.I.C.).,Department of Pharmacology and Personalised Medicine, Faculty of Health, Medicine, and Life Sciences, Maastricht University, the Netherlands (A.I.C.)
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50
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Re-directing nanomedicines to the spleen: A potential technology for peripheral immunomodulation. J Control Release 2022; 350:60-79. [DOI: 10.1016/j.jconrel.2022.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 04/04/2022] [Accepted: 04/05/2022] [Indexed: 11/23/2022]
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