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Wang Y, Yuan T, Lyu T, Zhang L, Wang M, He Z, Wang Y, Li Z. Mechanism of inflammatory response and therapeutic effects of stem cells in ischemic stroke: current evidence and future perspectives. Neural Regen Res 2025; 20:67-81. [PMID: 38767477 PMCID: PMC11246135 DOI: 10.4103/1673-5374.393104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 10/13/2023] [Accepted: 11/21/2023] [Indexed: 05/22/2024] Open
Abstract
Ischemic stroke is a leading cause of death and disability worldwide, with an increasing trend and tendency for onset at a younger age. China, in particular, bears a high burden of stroke cases. In recent years, the inflammatory response after stroke has become a research hotspot: understanding the role of inflammatory response in tissue damage and repair following ischemic stroke is an important direction for its treatment. This review summarizes several major cells involved in the inflammatory response following ischemic stroke, including microglia, neutrophils, monocytes, lymphocytes, and astrocytes. Additionally, we have also highlighted the recent progress in various treatments for ischemic stroke, particularly in the field of stem cell therapy. Overall, understanding the complex interactions between inflammation and ischemic stroke can provide valuable insights for developing treatment strategies and improving patient outcomes. Stem cell therapy may potentially become an important component of ischemic stroke treatment.
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Affiliation(s)
- Yubo Wang
- Vascular Neurology, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Tingli Yuan
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
| | - Tianjie Lyu
- Vascular Neurology, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Ling Zhang
- Vascular Neurology, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Meng Wang
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- National Center for Healthcare Quality Management in Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Zhiying He
- Shanghai Engineering Research Center of Stem Cells Translational Medicine, Shanghai, China
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Yongjun Wang
- Vascular Neurology, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- National Center for Healthcare Quality Management in Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Chinese Institute for Brain Research, Beijing, China
- Research Unit of Artificial Intelligence in Cerebrovascular Disease, Chinese Academy of Medical Sciences, Beijing, China
- Beijing Engineering Research Center of Digital Healthcare for Neurological Diseases, Beijing, China
| | - Zixiao Li
- Vascular Neurology, Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- National Center for Healthcare Quality Management in Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Chinese Institute for Brain Research, Beijing, China
- Research Unit of Artificial Intelligence in Cerebrovascular Disease, Chinese Academy of Medical Sciences, Beijing, China
- Beijing Engineering Research Center of Digital Healthcare for Neurological Diseases, Beijing, China
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Trandafir MF, Savu O, Pasarica D, Bleotu C, Gheorghiu M. Interleukin-6 as a Director of Immunological Events and Tissue Regenerative Capacity in Hemodialyzed Diabetes Patients. Med Sci (Basel) 2024; 12:31. [PMID: 38921685 PMCID: PMC11205729 DOI: 10.3390/medsci12020031] [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: 05/09/2024] [Revised: 06/05/2024] [Accepted: 06/13/2024] [Indexed: 06/27/2024] Open
Abstract
Hemodialyzed patients have innate immunity activation and adaptive immunity senescence. Diabetes mellitus is a frequent cause for chronic kidney disease and systemic inflammation. We studied the immunological pattern (innate and acquired immunity) and the tissular regeneration capacity in two groups of hemodialyzed patients: one comprised of diabetics and the other of non-diabetics. For inflammation, the following serum markers were determined: interleukin 6 (IL-6), interleukin 1β (IL-1β), tumoral necrosis factor α (TNF-α), IL-6 soluble receptor (sIL-6R), NGAL (human neutrophil gelatinase-associated lipocalin), and interleukin 10 (IL-10). Serum tumoral necrosis factor β (TNF-β) was determined as a cellular immune response marker. Tissue regeneration capacity was studied using neurotrophin-3 (NT-3) and vascular endothelial growth factor β (VEGF-β) serum levels. The results showed important IL-6 and sIL-6R increases in both groups, especially in the diabetic patient group. IL-6 generates trans-signaling at the cellular level through sIL-6R, with proinflammatory and anti-regenerative effects, confirmed through a significant reduction in NT-3 and VEGF-β. Our results suggest that the high serum level of IL-6 significantly influences IL-1β, TNF-β, NT-3, VEGF-β, and IL-10 behavior. Our study is the first that we know of that investigates NT-3 in this patient category. Moreover, we investigated VEGF-β and TNF-β serum behavior, whereas most of the existing data cover only VEGF-α and TNF-α in hemodialyzed patients.
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Affiliation(s)
- Maria-Florina Trandafir
- Pathophysiology and Immunology Department, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (D.P.); (M.G.)
- Doctoral School, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania;
| | - Octavian Savu
- Doctoral School, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania;
- “N.C. Paulescu” National Institute of Diabetes, Nutrition and Metabolic Diseases, 020475 Bucharest, Romania
| | - Daniela Pasarica
- Pathophysiology and Immunology Department, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (D.P.); (M.G.)
| | - Coralia Bleotu
- “Stefan S. Nicolau” Institute of Virology, 030304 Bucharest, Romania;
| | - Mihaela Gheorghiu
- Pathophysiology and Immunology Department, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania; (D.P.); (M.G.)
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Betto F, Chiricosta L, Mazzon E. An In Silico Analysis Reveals Sustained Upregulation of Neuroprotective Genes in the Post-Stroke Human Brain. Brain Sci 2023; 13:986. [PMID: 37508918 PMCID: PMC10377198 DOI: 10.3390/brainsci13070986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/13/2023] [Accepted: 06/21/2023] [Indexed: 07/30/2023] Open
Abstract
Ischemic stroke is a cerebrovascular disease caused by an interruption of blood flow to the brain, thus determining a lack of oxygen and nutrient supply. The ischemic event leads to the activation of several molecular signaling pathways involved in inflammation and the production of reactive oxygen species, causing irreversible neuronal damage. Several studies have focused on the acute phase of ischemic stroke. It is not clear if this traumatic event can influence some of the molecular processes in the affected area even years after the clinical event. In our study, we performed an in silico analysis using freely available raw data with the purpose of evaluating the transcriptomic state of post-mortem brain tissue. The samples were taken from non-fatal ischemic stroke patients, meaning that they suffered an ischemic stroke and lived for a period of about 2 years after the event. These samples were compared with healthy controls. The aim was to evaluate possible recovery processes useful to mitigating neuronal damage and the detrimental consequences of stroke. Our results highlighted differentially expressed genes codifying for proteins along with long non-coding genes with anti-inflammatory and anti-oxidant functions. This suggests that even after an amount of time from the ischemic insult, different neuroprotective mechanisms are activated to ameliorate brain conditions and repair post-stroke neuronal injury.
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Affiliation(s)
- Federica Betto
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy
| | - Luigi Chiricosta
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy
| | - Emanuela Mazzon
- IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy
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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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Niu Y, Du SZ, He R. TNF-α interference ameliorates brain damage in neonatal hypoxic-ischemic encephalopathy rats by regulating the expression of NT-3 and TRKC. IBRAIN 2023; 9:381-389. [PMID: 38680513 PMCID: PMC11045181 DOI: 10.1002/ibra.12089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 01/06/2023] [Accepted: 01/13/2023] [Indexed: 05/01/2024]
Abstract
The aim of this study is to explore the effect of tumor necrosis factor-α (TNF-α) inhibition in rats with neonatal hypoxic-ischemic encephalopathy (HIE) and ascertain the relevant signaling pathways. The Zea-Longa score was used to evaluate the neurological function of the rats. ImageJ was used for quantification of the brain edema volume. Triphenyl tetrazolium chloride (TTC) staining of brain tissue was performed 24 h after hypoxic-ischemic (HI) to detect right brain infarction. The expression of TNF-α was detected by real-time quantitative polymerase chain reaction (RT-qPCR). Immunofluorescence staining was used to identify the localization of TNF-α; Then, the effective shRNA fragment of TNF-α was used to validate the role of TNF-α in HIE rats, and the change of neurotrofin-3 (NT-3) and tyrosine kinase receptor-C (TRKC) was examined after TNF-α-shRNA lentivirus transfection to determine downstream signaling associated with TNF-α. Protein interaction analysis was carried out to predict the links among TNF-α, NT-3, and TRKC. Cerebral edema volume and infarction increased in the right brain after the HI operation. The Zea-Longa score significantly increased within 24 h after the HI operation. The relative expression of TNF-α was upregulated after the HI operation. TNF-α was highly expressed in the right hippocampus post HI through immunofluorescence staining. Bioinformatics analysis found a direct or an indirect link among TNF-α, NT-3, and TRKC. Moreover, the interference of TNF-α increased the expression of NT-3 and TRKC. TNF-α interference might alleviate brain injury in HIE by upregulating NT-3 and TRKC.
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Affiliation(s)
- Yong‐Min Niu
- Institute of NeuroscienceKunming Medical UniversityKunmingChina
| | - Steven Z. Du
- Department of Integrative BiologyUniversity of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Rong He
- Animal Zoology DepartmentKunming Medical UniversityKunmingChina
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Tang S, Wang K, Qi X. Neuro-protective effects of n-butylphthalide on carbon monoxide poisoning rats by modulating IL-2, AKT and BCL-2. J Toxicol Sci 2023; 48:495-505. [PMID: 37661366 DOI: 10.2131/jts.48.495] [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] [Indexed: 09/05/2023]
Abstract
Acute carbon monoxide poisoning (CO-poisoning) causes neurotoxicity by inducing necrosis, apoptosis, lipid peroxidation, and oxidative stress. DL-3-n-butylphthalide (NBP) is a synthetic compound originally extracted from the seeds of Chinese celery and based on pure l-3-n-butylphthalide. In ischemia/reperfusion, it exerts neuroprotective effects through its anti-apoptotic, anti-necrotic and antioxidant properties, and activation of pro-survival pathways. Our study performed bioinformatic analysis to identify the differential expression genes. CO-poisoning patients' blood was collected to confirm the findings. Male rats were exposed to CO 3000 ppm for 40 min, and NBP (100 mg/kg/day) was continuously injected intraperitoneally immediately after poisoning and for the next 15 days. After NBP treatment, the rats were evaluated by Morris water maze test. At the end of experiments, blood and brain tissues of the rats were collected to evaluate the expression levels of IL-2, AKT and BCL-2. We found that IL-2 was elevated in CO-poisoning patients and animal models. Brain tissue damage in CO-poisoning rats was significantly alleviated after NBP treatment. Furthermore, NBP increased the expression of IL-2, AKT and BCL-2 in rat CO-poisoning model. NBP showed neuroprotective action by increasing IL-2, AKT, and BCL-2 expressions.
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Affiliation(s)
- Shengtao Tang
- The Second School of Clinical Medicine, Southern Medical University, China
- Department of Neurology, The First People's Hospital of Chenzhou, China
| | - Kunyu Wang
- Department of Neurology, The First Teaching Hospital of Jilin University, China
| | - Xiaokun Qi
- The Second School of Clinical Medicine, Southern Medical University, China
- Department of Neurology, The Sixth Medical Center of the General Hospital of the Chinese People's Liberation Army, China
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Zhang Y, Gao X, Bai X, Yao S, Chang YZ, Gao G. The emerging role of furin in neurodegenerative and neuropsychiatric diseases. Transl Neurodegener 2022; 11:39. [PMID: 35996194 PMCID: PMC9395820 DOI: 10.1186/s40035-022-00313-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 08/10/2022] [Indexed: 12/02/2022] Open
Abstract
Furin is an important mammalian proprotein convertase that catalyzes the proteolytic maturation of a variety of prohormones and proproteins in the secretory pathway. In the brain, the substrates of furin include the proproteins of growth factors, receptors and enzymes. Emerging evidence, such as reduced FURIN mRNA expression in the brains of Alzheimer's disease patients or schizophrenia patients, has implicated a crucial role of furin in the pathophysiology of neurodegenerative and neuropsychiatric diseases. Currently, compared to cancer and infectious diseases, the aberrant expression of furin and its pharmaceutical potentials in neurological diseases remain poorly understood. In this article, we provide an overview on the physiological roles of furin and its substrates in the brain, summarize the deregulation of furin expression and its effects in neurodegenerative and neuropsychiatric disorders, and discuss the implications and current approaches that target furin for therapeutic interventions. This review may expedite future studies to clarify the molecular mechanisms of furin deregulation and involvement in the pathogenesis of neurodegenerative and neuropsychiatric diseases, and to develop new diagnosis and treatment strategies for these diseases.
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Affiliation(s)
- Yi Zhang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Laboratory of Molecular Iron Metabolism, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Xiaoqin Gao
- Shijiazhuang People's Hospital, Hebei Medical University, Shijiazhuang, 050027, China
| | - Xue Bai
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Laboratory of Molecular Iron Metabolism, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Shanshan Yao
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Laboratory of Molecular Iron Metabolism, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Yan-Zhong Chang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Laboratory of Molecular Iron Metabolism, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China.
| | - Guofen Gao
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Laboratory of Molecular Iron Metabolism, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China.
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