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Wang S, Qin M, Fan X, Jiang C, Hou Q, Ye Z, Zhang X, Yang Y, Xiao J, Wallace K, Rastegar-Kashkooli Y, Peng Q, Jin D, Wang J, Wang M, Ding R, Tao J, Kim YT, Bhawal UK, Wang J, Chen X, Wang J. The role of metal ions in stroke: Current evidence and future perspectives. Ageing Res Rev 2024; 101:102498. [PMID: 39243890 DOI: 10.1016/j.arr.2024.102498] [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: 03/18/2024] [Revised: 07/24/2024] [Accepted: 09/04/2024] [Indexed: 09/09/2024]
Abstract
Metal ions play a pivotal role in maintaining optimal brain function within the human body. Nevertheless, the accumulation of these ions can result in irregularities that lead to brain damage and dysfunction. Disruptions of metal ion homeostasis can result in various pathologies, including inflammation, redox dysregulation, and blood-brain barrier disruption. While research on metal ions has chiefly focused on neurodegenerative diseases, little attention has been given to their involvement in the onset and progression of stroke. Recent studies have identified cuproptosis and confirmed ferroptosis as significant factors in stroke pathology, underscoring the importance of metal ions in stroke pathology, including abnormal ion transport, neurotoxicity, blood-brain barrier damage, and cell death. Additionally, it provides an overview of contemporary metal ion chelators and detection techniques, which may offer novel approaches to stroke treatment.
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Affiliation(s)
- Shaoshuai Wang
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, China; Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China; Non-commissioned Officer School of Army Medical University, Shijiazhuang, Hebei 050000, China
| | - Mengzhe Qin
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, China
| | - Xiaochong Fan
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, China
| | - Chao Jiang
- Department of Neurology, People's Hospital of Zhengzhou University, Zhengzhou, Henan 450000, China
| | - Qingchuan Hou
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Ziyi Ye
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Xinru Zhang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Yunfan Yang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Jingyu Xiao
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Kevin Wallace
- College of Mathematical and Natural Sciences, University of Maryland, College Park, MD 20742, USA
| | - Yousef Rastegar-Kashkooli
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China; School of International Education, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Qinfeng Peng
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Dongqi Jin
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Junyang Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Menglu Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Ruoqi Ding
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Jin Tao
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Yun Tai Kim
- Division of Functional Food Research, Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do 55365, Republic of Korea; Department of Food Biotechnology, Korea University of Science & Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea
| | - Ujjal K Bhawal
- Center for Global Health Research, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu 600077, India; Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Chiba 271-8587, Japan
| | - Junmin Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China.
| | - Xuemei Chen
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China.
| | - Jian Wang
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, China; Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China.
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Liu X, Wang J, Jin J, Hu Q, Zhao T, Wang J, Gao J, Man J. S100A9 deletion in microglia/macrophages ameliorates brain injury through the STAT6/PPARγ pathway in ischemic stroke. CNS Neurosci Ther 2024; 30:e14881. [PMID: 39107960 PMCID: PMC11303267 DOI: 10.1111/cns.14881] [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] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 06/30/2024] [Accepted: 07/14/2024] [Indexed: 08/10/2024] Open
Abstract
BACKGROUND Microglia and infiltrated macrophages (M/M) are integral components of the innate immune system that play a critical role in facilitating brain repair after ischemic stroke (IS) by clearing cell debris. Novel therapeutic strategies for IS therapy involve modulating M/M phenotype shifting. This study aims to elucidate the pivotal role of S100A9 in M/M and its downstream STAT6/PPARγ signaling pathway in neuroinflammation and phagocytosis after IS. METHODS In the clinical study, we initially detected the expression pattern of S100A9 in monocytes from patients with acute IS and investigated its association with the long-term prognosis. In the in vivo study, we generated the S100A9 conditional knockout (CKO) mice and compared the stroke outcomes with the control group. We further tested the S100A9-specific inhibitor paqunimod (PQD), for its pharmaceutical effects on stroke outcomes. Transcriptomics and in vitro studies were adopted to explore the mechanism of S100A9 in modulating the M/M phenotype, which involves the regulation of the STAT6/PPARγ signaling pathway. RESULTS S100A9 was predominantly expressed in classical monocytes and was correlated with unfavorable outcomes in patients of IS. S100A9 CKO mitigated infarction volume and white matter injury, enhanced cerebral blood flow and functional recovery, and prompted anti-inflammation phenotype and efferocytosis after tMCAO. The STAT6/PPARγ pathway, an essential signaling cascade involved in immune response and inflammation, might be the downstream target mediated by S100A9 deletion, as evidenced by the STAT6 phosphorylation inhibitor AS1517499 abolishing the beneficial effect of S100A9 inhibition in tMCAO mice and cell lines. Moreover, S100A9 inhibition by PQD treatment protected against neuronal death in vitro and brain injuries in vivo. CONCLUSION This study provides evidence for the first time that S100A9 in classical monocytes could potentially be a biomarker for predicting IS prognosis and reveals a novel therapeutic strategy for IS. By demonstrating that S100A9-mediated M/M polarization and phagocytosis can be reversed by S100A9 inhibition in a STAT6/PPARγ pathway-dependent manner, this study opens up new avenues for drug development in the field.
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Affiliation(s)
- Xi Liu
- Department of NeurologyThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
| | - Junmin Wang
- Department of Human Anatomy, School of Basic Medical SciencesZhengzhou UniversityZhengzhouChina
| | - Jian Jin
- MRI imaging core, Medical Research CenterThird Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
| | - Qiongqiong Hu
- Department of Neurology, Zhengzhou Central HospitalZhengzhou UniversityZhengzhouChina
| | - Ting Zhao
- Department of NeurologyPeople's Hospital of Zhengzhou UniversityZhengzhouChina
| | - Jian Wang
- Department of Human Anatomy, School of Basic Medical SciencesZhengzhou UniversityZhengzhouChina
| | - Jianbo Gao
- Department of RadiologyThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
| | - Jiang Man
- Department of RadiologyThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
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Zhu L, Shang J, Li Y, Zhang Z, Fu P, Zong Y, Chen S, Wang J, Zhang J, Wang J, Jiang C. Toll-Like Receptors Mediate Opposing Dendritic Cell Effects on Treg/Th17 Balance in Mice With Intracerebral Hemorrhage. Stroke 2024; 55:2126-2138. [PMID: 38920054 DOI: 10.1161/strokeaha.124.046394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 05/23/2024] [Indexed: 06/27/2024]
Abstract
BACKGROUND Dendritic cells (DCs) regulate the immune response associated with T lymphocytes, but their role in stroke remains unclear. In this study, we investigated the causal relationship between DCs and T-cell response in intracerebral hemorrhage (ICH) by focusing on TLRs (toll-like receptors) that may modulate the function of DCs. METHODS We studied the effects of TLR4, TLR2, and TLR9 on DC-mediated T-cell response and the outcomes of ICH using male C57BL/6 and CD11c-DTx (diphtheria toxin) receptor mice. We administered specific agents intraperitoneally or orally and evaluated the results using flow cytometry, real-time polymerase chain reaction, Western blotting, immunofluorescence staining, histopathology, and behavioral tests. RESULTS TLR4 and TLR2 activation induces DC maturation and reduces the ratio of regulatory T to T-helper 17 cells in the brain and periphery after ICH. When either of these receptors is activated, it can worsen neuroinflammation and exacerbate ICH outcomes. TLR9 also promotes DC maturation, stabilizing the number of DCs, particularly conventional DCs. TLR9 has the opposite effects on regulatory T/T-helper 17 balance, neuroinflammation, and ICH outcomes compared with TLR4 and TLR2. Upon stimulation, TLR4 and TLR9 may achieve these effects through the p38-MAPK (p38-mitogen-activated protein kinase)/MyD88 (myeloid differentiation primary response gene 88) and indoleamine 2,3-dioxygenase 1 (IDO1)/GCN2 (general control nonderepressible 2) signaling pathways, respectively. DCs act as intermediaries for TLR-mediated T-cell response. CONCLUSIONS TLR-mediated opposing effects of DCs on T-cell response may provide novel strategies to treat ICH.
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Affiliation(s)
- Li Zhu
- Department of Neurology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
- The Laboratory of Cerebrovascular Diseases and Neuroimmunology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
| | - Junkui Shang
- Department of Neurology, People's Hospital of Zhengzhou University, China (J.S., J.Z., C.J.)
| | - Yinuo Li
- Department of Neurology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
- The Laboratory of Cerebrovascular Diseases and Neuroimmunology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
| | - Zhiying Zhang
- Department of Neurology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
- The Laboratory of Cerebrovascular Diseases and Neuroimmunology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
| | - Peiji Fu
- Department of Neurology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
- The Laboratory of Cerebrovascular Diseases and Neuroimmunology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
| | - Yan Zong
- Department of Neurology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
- The Laboratory of Cerebrovascular Diseases and Neuroimmunology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
| | - Shuai Chen
- Department of Neurology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
- The Laboratory of Cerebrovascular Diseases and Neuroimmunology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
| | - Junmin Wang
- Department of Anatomy, School of Basic Medical Sciences, Zhengzhou University, China (Junmin Wang, Jian Wang)
| | - Jiewen Zhang
- Department of Neurology, People's Hospital of Zhengzhou University, China (J.S., J.Z., C.J.)
| | - Jian Wang
- Department of Anatomy, School of Basic Medical Sciences, Zhengzhou University, China (Junmin Wang, Jian Wang)
| | - Chao Jiang
- Department of Neurology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
- The Laboratory of Cerebrovascular Diseases and Neuroimmunology (L.Z., Y.L., Z.Z., P.F., Y.Z., S.C., C.J.), The Fifth Affiliated Hospital of Zhengzhou University, China
- Department of Neurology, People's Hospital of Zhengzhou University, China (J.S., J.Z., C.J.)
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Han X, Zhang M, Yan L, Fu Y, Kou H, Shang C, Wang J, Liu H, Jiang C, Wang J, Cheng T. Role of dendritic cells in spinal cord injury. CNS Neurosci Ther 2024; 30:e14593. [PMID: 38528832 PMCID: PMC10964036 DOI: 10.1111/cns.14593] [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: 08/13/2023] [Revised: 11/15/2023] [Accepted: 12/10/2023] [Indexed: 03/27/2024] Open
Abstract
BACKGROUND Inflammation can worsen spinal cord injury (SCI), with dendritic cells (DCs) playing a crucial role in the inflammatory response. They mediate T lymphocyte differentiation, activate microglia, and release cytokines like NT-3. Moreover, DCs can promote neural stem cell survival and guide them toward neuron differentiation, positively impacting SCI outcomes. OBJECTIVE This review aims to summarize the role of DCs in SCI-related inflammation and identify potential therapeutic targets for treating SCI. METHODS Literature in PubMed and Web of Science was reviewed using critical terms related to DCs and SCI. RESULTS The study indicates that DCs can activate microglia and astrocytes, promote T-cell differentiation, increase neurotrophin release at the injury site, and subsequently reduce secondary brain injury and enhance functional recovery in the spinal cord. CONCLUSIONS This review highlights the repair mechanisms of DCs and their potential therapeutic potential for SCI.
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Affiliation(s)
- Xiaonan Han
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Mingkang Zhang
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Liyan Yan
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Yikun Fu
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Hongwei Kou
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Chunfeng Shang
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Junmin Wang
- Department of Anatomy, School of Basic Medical SciencesZhengzhou UniversityZhengzhouHenanChina
| | - Hongjian Liu
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Chao Jiang
- Department of NeurologyThe Fifth Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
| | - Jian Wang
- Department of Anatomy, School of Basic Medical SciencesZhengzhou UniversityZhengzhouHenanChina
| | - Tian Cheng
- Department of OrthopaedicsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenanChina
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Song L, Lou X, Han W, Yang L, Guo S, Jiang Y, Peng H, Hao Y. Predictors for unfavorable prognosis after stroke with perforator artery disease. Front Neurol 2024; 15:1340085. [PMID: 38327626 PMCID: PMC10847328 DOI: 10.3389/fneur.2024.1340085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 01/04/2024] [Indexed: 02/09/2024] Open
Abstract
Background and purpose Perforator artery disease (PAD) is an important subtype of ischemic stroke. The risk factors affecting the prognosis of patients with PAD are unclear. This study aimed to investigate the risk factors affecting the unfavorable prognosis of PAD. Methods Patients with PAD were enrolled from Dushu Lake Hospital Affiliated to Soochow University and diagnosed as stroke with PAD during the period from September 2021 to July 2023 and followed up with a modified Rankin Scale (mRS) after 90 days, defining the mRS of 0-2 as a group with favorable prognosis, and 3-6 as a group with unfavorable functional outcome. Logistic regression was used to identify predictors for PAD. Multiple logistic regression analysis and receiver operating characteristics (ROC) were used to identify predictors of unfavorable prognosis. Results Of the 181 enrolled patients, 48 (26.5%) were identified with unfavorable prognosis. On multivariate analysis, increased age (OR = 1.076, 95% CI: 1.012 ~ 1.144, p = 0.019), higher National Institutes of Health Stroke Scale (NIHSS) score at admission (OR = 2.930, 95% CI: 1. 905 ~ 4.508, p < 0.001), and increased neutrophil-to-lymphocyte ratio (NLR) (OR = 3.028, 95% CI: 1.615 ~ 5.675, p = 0.001) were independent risk factors for unfavorable prognosis in patients with PAD, and the area under the receiver operating characteristic curve was 0.590, 0.905, and 0.798, and the multi-factor diagnostic model (Model 2) showed reliable diagnostic specificity and sensitivity (area under the curve = 0.956, p < 0.001, specificity 0.805, sensitivity 0.958, accuracy 0.845). Conclusion Increased baseline NLR and NIHSS score and aging may be independent risk factors for unfavorable prognosis of patients with PAD. NLR can be used as a potential biological indicator to predict the prognosis of stroke with PAD.
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Affiliation(s)
- Linghua Song
- Suzhou Dushu Lake Hospital, Suzhou, Jiangsu, China
| | - Xiaoli Lou
- Suzhou Dushu Lake Hospital, Suzhou, Jiangsu, China
| | - Wenhao Han
- Suzhou Dushu Lake Hospital, Suzhou, Jiangsu, China
| | - Lihui Yang
- Suzhou Dushu Lake Hospital, Suzhou, Jiangsu, China
| | - Siping Guo
- Suzhou Dushu Lake Hospital, Suzhou, Jiangsu, China
| | - Yasi Jiang
- Suzhou Dushu Lake Hospital, Suzhou, Jiangsu, China
| | - Hao Peng
- School of Public Health, Soochow University Medical College, Suzhou, Jiangsu, China
| | - Yonggang Hao
- Suzhou Dushu Lake Hospital, Suzhou, Jiangsu, China
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Nie L, He J, Wang J, Wang R, Huang L, Jia L, Kim YT, Bhawal UK, Fan X, Zille M, Jiang C, Chen X, Wang J. Environmental Enrichment for Stroke and Traumatic Brain Injury: Mechanisms and Translational Implications. Compr Physiol 2023; 14:5291-5323. [PMID: 38158368 DOI: 10.1002/cphy.c230007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Acquired brain injuries, such as ischemic stroke, intracerebral hemorrhage (ICH), and traumatic brain injury (TBI), can cause severe neurologic damage and even death. Unfortunately, currently, there are no effective and safe treatments to reduce the high disability and mortality rates associated with these brain injuries. However, environmental enrichment (EE) is an emerging approach to treating and rehabilitating acquired brain injuries by promoting motor, sensory, and social stimulation. Multiple preclinical studies have shown that EE benefits functional recovery, including improved motor and cognitive function and psychological benefits mediated by complex protective signaling pathways. This article provides an overview of the enriched environment protocols used in animal models of ischemic stroke, ICH, and TBI, as well as relevant clinical studies, with a particular focus on ischemic stroke. Additionally, we explored studies of animals with stroke and TBI exposed to EE alone or in combination with multiple drugs and other rehabilitation modalities. Finally, we discuss the potential clinical applications of EE in future brain rehabilitation therapy and the molecular and cellular changes caused by EE in rodents with stroke or TBI. This article aims to advance preclinical and clinical research on EE rehabilitation therapy for acquired brain injury. © 2024 American Physiological Society. Compr Physiol 14:5291-5323, 2024.
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Affiliation(s)
- Luwei Nie
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinxin He
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
- Key Laboratory for Brain Science Research and Transformation in the Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Junmin Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Ruike Wang
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Leo Huang
- Department of Psychology, University of Toronto, Toronto, Ontario, Canada
| | - Lin Jia
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Yun Tai Kim
- Division of Functional Food Research, Korea Food Research Institute, Wanju-gun, Jeollabuk-do, Republic of Korea
- Department of Food Biotechnology, Korea University of Science & Technology, Daejeon, Republic of Korea
| | - Ujjal K Bhawal
- Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Chiba, Japan
- Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India
| | - Xiaochong Fan
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Marietta Zille
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Vienna, Austria
| | - Chao Jiang
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Xuemei Chen
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
| | - Jian Wang
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan Province, China
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Liu Y, Chen S, Liu S, Wallace KL, Zille M, Zhang J, Wang J, Jiang C. T-cell receptor signaling modulated by the co-receptors: Potential targets for stroke treatment. Pharmacol Res 2023; 192:106797. [PMID: 37211238 DOI: 10.1016/j.phrs.2023.106797] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 05/02/2023] [Accepted: 05/16/2023] [Indexed: 05/23/2023]
Abstract
Stroke is a severe and life-threatening disease, necessitating more research on new treatment strategies. Infiltrated T lymphocytes, an essential adaptive immune cell with extensive effector function, are crucially involved in post-stroke inflammation. Immediately after the initiation of the innate immune response triggered by microglia/macrophages, the adaptive immune response associated with T lymphocytes also participates in the complex pathophysiology of stroke and partially informs the outcome of stroke. Preclinical and clinical studies have revealed the conflicting roles of T cells in post-stroke inflammation and as potential therapeutic targets. Therefore, exploring the mechanisms that underlie the adaptive immune response associated with T lymphocytes in stroke is essential. The T-cell receptor (TCR) and its downstream signaling regulate T lymphocyte differentiation and activation. This review comprehensively summarizes the various molecules that regulate TCR signaling and the T-cell response. It covers both the co-stimulatory and co-inhibitory molecules and their roles in stroke. Because immunoregulatory therapies targeting TCR and its mediators have achieved great success in some proliferative diseases, this article also summarizes the advances in therapeutic strategies related to TCR signaling in lymphocytes after stroke, which can facilitate translation. DATA AVAILABILITY: No data was used for the research described in the article.
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Affiliation(s)
- Yuanyuan Liu
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, P. R. China
| | - Shuai Chen
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, P. R. China
| | - Simon Liu
- Medical Genomics Unit, National Human Genome Research Institute, Bethesda, MD, 20814, USA
| | - Kevin L Wallace
- College of Mathematical and Natural Sciences, University of Maryland, College Park, MD, 20742, USA
| | - Marietta Zille
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, A-1090 Vienna, Austria
| | - Jiewen Zhang
- Department of Neurology, People's Hospital of Zhengzhou University, 450000, Zhengzhou, P. R. China.
| | - Jian Wang
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, P. R. China; Department of Anatomy, School of Basic Medical Sciences, Zhengzhou University, 450001, Zhengzhou, P. R. China.
| | - Chao Jiang
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, P. R. China.
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Garcia-Bonilla L, Shahanoor Z, Sciortino R, Nazarzoda O, Racchumi G, Iadecola C, Anrather J. Brain and blood single-cell transcriptomics in acute and subacute phases after experimental stroke. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.31.535150. [PMID: 37066298 PMCID: PMC10103945 DOI: 10.1101/2023.03.31.535150] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Cerebral ischemia triggers a powerful inflammatory reaction involving both peripheral leukocytes and brain resident cells. Recent evidence indicates that their differentiation into a variety of functional phenotypes contributes to both tissue injury and repair. However, the temporal dynamics and diversity of post-stroke immune cell subsets remain poorly understood. To address these limitations, we performed a longitudinal single-cell transcriptomic study of both brain and mouse blood to obtain a composite picture of brain-infiltrating leukocytes, circulating leukocytes, microglia and endothelium diversity over the ischemic/reperfusion time. Brain cells and blood leukocytes isolated from mice 2 or 14 days after transient middle cerebral artery occlusion or sham surgery were purified by FACS sorting and processed for droplet-based single-cell transcriptomics. The analysis revealed a strong divergence of post-ischemic microglia, macrophages, and neutrophils over time, while such diversity was less evident in dendritic cells, B, T and NK cells. Conversely, brain endothelial cells and brain associated-macrophages showed altered transcriptomic signatures at 2 days post-stroke, but low divergence from sham at day 14. Pseudotime trajectory inference predicted the in-situ longitudinal progression of monocyte-derived macrophages from their blood precursors into day 2 and day 14 phenotypes, while microglia phenotypes at these two time points were not connected. In contrast to monocyte-derived macrophages, neutrophils were predicted to be continuously de-novo recruited from the blood. Brain single-cell transcriptomics from both female and male aged mice did not show major changes in respect to young mice, but aged and young brains differed in their immune cell composition. Furthermore, blood leukocyte analysis also revealed altered transcriptomes after stroke. However, brain-infiltrating leukocytes displayed higher transcriptomic divergence than their circulating counterparts, indicating that phenotypic diversification into cellular subsets occurs within the brain in the early and the recovery phase of ischemic stroke. In addition, this resource report contains a searchable database https://anratherlab.shinyapps.io/strokevis/ to allow user-friendly access to our data. The StrokeVis tool constitutes a comprehensive gene expression atlas that can be interrogated at the gene and cell type level to explore the transcriptional changes of endothelial and immune cell subsets from mouse brain and blood after stroke.
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Affiliation(s)
- Lidia Garcia-Bonilla
- The Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY 10021
| | - Ziasmin Shahanoor
- The Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY 10021
| | - Rose Sciortino
- The Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY 10021
| | - Omina Nazarzoda
- The Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY 10021
| | - Gianfranco Racchumi
- The Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY 10021
| | - Costantino Iadecola
- The Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY 10021
| | - Josef Anrather
- The Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY 10021
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Tuohy MC, Hillman EMC, Marshall R, Agalliu D. The age-dependent immune response to ischemic stroke. Curr Opin Neurobiol 2023; 78:102670. [PMID: 36586305 PMCID: PMC9845177 DOI: 10.1016/j.conb.2022.102670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/29/2022] [Accepted: 12/01/2022] [Indexed: 12/31/2022]
Abstract
Stroke is a devastating cause of global morbidity and mortality. Ischemic brain injury triggers a profound local and systemic immune response that participates in stroke pathophysiology. In turn, this immune response has emerged as a potential therapeutic target. In order to maximize its therapeutic potential, it is critical to understand how the immune response to ischemic brain injury is affected by age - the strongest non-modifiable risk factor for stroke. The development of multi-omics and single-cell technologies has provided a more comprehensive characterization of transcriptional and cellular changes that occur during aging. In this review, we summarize recent advances in our understanding of how age-related immune alterations shape differential stroke outcomes in older versus younger organisms, highlighting studies in both experimental mouse models and patient cohorts. Wherever possible, we emphasize outstanding questions that present important avenues for future investigation with therapeutic value for the aging population.
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Affiliation(s)
- Mary Claire Tuohy
- Doctoral Program in Neurobiology and Behavior, Columbia University Irving Medical Center, New York, NY, 10032, USA; Department of Neurology, Columbia University Irving Medical Center, New York, NY, 10032, USA; Zuckerman Mind Brain Behavior Institute and Department of Biomedical Engineering, Columbia University, New York, NY 10027, USA
| | - Elizabeth M C Hillman
- Zuckerman Mind Brain Behavior Institute and Department of Biomedical Engineering, Columbia University, New York, NY 10027, USA. https://twitter.com/HillmanLab
| | - Randolph Marshall
- Department of Neurology, Columbia University Irving Medical Center, New York, NY, 10032, USA
| | - Dritan Agalliu
- Department of Neurology, Columbia University Irving Medical Center, New York, NY, 10032, USA; Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, 10032, USA.
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Premorbid Use of Beta-Blockers or Angiotensin-Converting Enzyme Inhibitors/Angiotensin Receptor Blockers in Patients with Acute Ischemic Stroke. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:7733857. [PMID: 36778208 PMCID: PMC9908343 DOI: 10.1155/2023/7733857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 09/07/2022] [Accepted: 10/14/2022] [Indexed: 02/05/2023]
Abstract
This study was designed to investigate the impact of the preexisting use of beta-blockers, angiotensin-converting enzyme inhibitors (ACEIs), or angiotensin receptor blockers (ARBs) on the cellular immune response in peripheral blood and the clinical outcomes of patients with acute ischemic stroke. We retrospectively collected clinical data from a cohort of 69 patients with premorbid beta-blockers and 56 patients with premorbid ACEIs/ARBs. Additionally, we selected a cohort of 107 patients with acute ischemic stroke to be the control of the same age and sex. We analyzed cellular immune parameters in peripheral blood 1 day after the appearance of symptoms, including the frequencies of circulating white blood cell subpopulations, the neutrophil-to-lymphocyte ratio (NLR), and the lymphocyte-to-monocyte ratio (LMR). We found that the count of lymphocytes and the lymphocyte-to-monocyte ratio were significantly higher in the peripheral blood of patients treated with beta-blockers before stroke than in matched controls. However, the premorbid use of ACEIs/ARBs did not considerably impact the circulating immune parameters listed above in patients with acute ischemic stroke. Furthermore, we found that premorbid use of beta-blockers or ACEIs/ARBs did not significantly change functional outcomes in patients 3 months after the onset of stroke. These results suggest that premorbid use of beta-blockers, but not ACEIs/ARBs, reversed lymphopenia associated with acute ischemic stroke. As cellular immune changes in peripheral blood could be an independent predictor of stroke prognosis, more large-scale studies are warranted to further verify the impact of premorbid use of beta-blockers or ACEIs/ARBs on the prognosis of patients with ischemic stroke. Our research is beneficial to understanding the mechanism of the systemic immune response induced by stroke and has the potential for a therapeutic strategy in stroke interventions and treatment.
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Molecular, Pathological, Clinical, and Therapeutic Aspects of Perihematomal Edema in Different Stages of Intracerebral Hemorrhage. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:3948921. [PMID: 36164392 PMCID: PMC9509250 DOI: 10.1155/2022/3948921] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 08/17/2022] [Accepted: 09/03/2022] [Indexed: 02/07/2023]
Abstract
Acute intracerebral hemorrhage (ICH) is a devastating type of stroke worldwide. Neuronal destruction involved in the brain damage process caused by ICH includes a primary injury formed by the mass effect of the hematoma and a secondary injury induced by the degradation products of a blood clot. Additionally, factors in the coagulation cascade and complement activation process also contribute to secondary brain injury by promoting the disruption of the blood-brain barrier and neuronal cell degeneration by enhancing the inflammatory response, oxidative stress, etc. Although treatment options for direct damage are limited, various strategies have been proposed to treat secondary injury post-ICH. Perihematomal edema (PHE) is a potential surrogate marker for secondary injury and may contribute to poor outcomes after ICH. Therefore, it is essential to investigate the underlying pathological mechanism, evolution, and potential therapeutic strategies to treat PHE. Here, we review the pathophysiology and imaging characteristics of PHE at different stages after acute ICH. As illustrated in preclinical and clinical studies, we discussed the merits and limitations of varying PHE quantification protocols, including absolute PHE volume, relative PHE volume, and extension distance calculated with images and other techniques. Importantly, this review summarizes the factors that affect PHE by focusing on traditional variables, the cerebral venous drainage system, and the brain lymphatic drainage system. Finally, to facilitate translational research, we analyze why the relationship between PHE and the functional outcome of ICH is currently controversial. We also emphasize promising therapeutic approaches that modulate multiple targets to alleviate PHE and promote neurologic recovery after acute ICH.
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Song D, Yeh CT, Wang J, Guo F. Perspectives on the mechanism of pyroptosis after intracerebral hemorrhage. Front Immunol 2022; 13:989503. [PMID: 36131917 PMCID: PMC9484305 DOI: 10.3389/fimmu.2022.989503] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 08/17/2022] [Indexed: 12/18/2022] Open
Abstract
Intracerebral hemorrhage (ICH) is a highly harmful neurological disorder with high rates of mortality, disability, and recurrence. However, effective therapies are not currently available. Secondary immune injury and cell death are the leading causes of brain injury and a poor prognosis. Pyroptosis is a recently discovered form of programmed cell death that differs from apoptosis and necrosis and is mediated by gasdermin proteins. Pyroptosis is caused by multiple pathways that eventually form pores in the cell membrane, facilitating the release of inflammatory substances and causing the cell to rupture and die. Pyroptosis occurs in neurons, glial cells, and endothelial cells after ICH. Furthermore, pyroptosis causes cell death and releases inflammatory factors such as interleukin (IL)-1β and IL-18, leading to a secondary immune-inflammatory response and further brain damage. The NOD-like receptor protein 3 (NLRP3)/caspase-1/gasdermin D (GSDMD) pathway plays the most critical role in pyroptosis after ICH. Pyroptosis can be inhibited by directly targeting NLRP3 or its upstream molecules, or directly interfering with caspase-1 expression and GSDMD formation, thus significantly improving the prognosis of ICH. The present review discusses key pathological pathways and regulatory mechanisms of pyroptosis after ICH and suggests possible intervention strategies to mitigate pyroptosis and brain dysfunction after ICH.
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Affiliation(s)
- Dengpan Song
- Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Chi-Tai Yeh
- Department of Medical Research and Education, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
- *Correspondence: Fuyou Guo, ; Jian Wang, ; Chi-Tai Yeh,
| | - Jian Wang
- Department of Pain Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Department of Human Anatomy, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
- *Correspondence: Fuyou Guo, ; Jian Wang, ; Chi-Tai Yeh,
| | - Fuyou Guo
- Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- *Correspondence: Fuyou Guo, ; Jian Wang, ; Chi-Tai Yeh,
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Zhang Z, Li Y, Shi J, Zhu L, Dai Y, Fu P, Liu S, Hong M, Zhang J, Wang J, Jiang C. Lymphocyte-Related Immunomodulatory Therapy with Siponimod (BAF-312) Improves Outcomes in Mice with Acute Intracerebral Hemorrhage. Aging Dis 2022; 14:966-991. [PMID: 37191423 DOI: 10.14336/ad.2022.1102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 11/02/2022] [Indexed: 11/18/2022] Open
Abstract
Modulators of the sphingosine-1-phosphate receptor (S1PR) have been proposed as a promising strategy for treating stroke. However, the detailed mechanisms and the potential translational value of S1PR modulators for intracerebral hemorrhage (ICH) therapy warrant exploration. Using collagenase VII-S-induced ICH in the left striatum of mice, we investigated the effects of siponimod on cellular and molecular immunoinflammatory responses in the hemorrhagic brain in the presence or absence of anti-CD3 monoclonal antibodies (Abs). We also assessed the severity of short- and long-term brain injury and evaluated the efficacy of siponimod in long-term neurologic function. Siponimod treatment significantly decreased brain lesion volume and brain water content on day 3 and the volume of the residual lesion and brain atrophy on day 28. It also inhibited neuronal degeneration on day 3 and improved long-term neurologic function. These protective effects may be associated with a reduction in the expression of lymphotactin (XCL1) and T-helper 1 (Th1)-type cytokines (interleukin 1β and interferon-γ). It may also be associated with inhibition of neutrophil and lymphocyte infiltration and alleviation of T lymphocyte activation in perihematomal tissues on day 3. However, siponimod did not affect the infiltration of natural killer cells (NK) or the activation of CD3-negative immunocytes in perihematomal tissues. Furthermore, it did not influence the activation or proliferation of microglia or astrocytes around the hematoma on day 3. Siponimod appears to have a profound impact on infiltration and activation of T lymphocytes after ICH. The effects of neutralized anti-CD3 Abs-induced T-lymphocyte tolerance on siponimod immunomodulation further confirmed that siponimod alleviated the cellular and molecular Th1 response in the hemorrhagic brain. This study provides preclinical evidence that encourages future investigation of immunomodulators, including siponimod, which target the lymphocyte-related immunoinflammatory reaction in ICH therapy.
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